Diagram sections — 31 (184 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Automatic A/C Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 66 2 door 4 door Acs Air mix control motor (on left side of hvac assembly) Amd-p Automatic lighting/ sunlight sensor (top center of dash) B- canh B- canl B-canh B-canl Blower g Blower motor (bottom of blower unit) Blower v C17 C204 C207 C221 C414 Center junction box 1 Center junction box 2 Climate control unit D14 D17 Defogger system Driver's micu Evaporator temperature sensor (top center of hvac unit) F/r mtr fresh F/r mtr rec Fuse 7.5a G401 (left kick panel) G504 (right end of dash) Gauge control module Gnd H10 Hot in on Hum data Humidity sensor Humidity/in-car temperature sensor (center of dash) Ig2 a/c Ill+ Ill- In-car temperature sensor Interior lights system Junction connector c209 (4 door) junction connector c225 (2 door) (upper center of dash) M-cool M-hot Mdd-p Mode mtr def Mode mtr vent Nca Outside air temperature sensor (behind left side of front bumper) Pnk Power transistor (bottom of blower unit) Red Rfd-p Rr def rly ctrl S5v Sens com Snse com Sunlight sensor Tam Teva Tsun Under- dash fuse/ relay box (under left end of dash) W/ seat heaters W/o seat heaters Automatic A/C Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Automatic A/C Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 75 (or pnk) 2 door 4 door A/c compressor (left front of engine) A/c compressor clutch A/c compressor clutch relay A/c condenser fan motor (right front of engine compt) A/c condenser fan relay A/c pressure sensor (right front of engine compt) A10 A11 A12 A15 A16 A20 A27 A30 A44 B13 B34 B44 Blower motor relay C207 C221 Computer data line system Diode d Diode e Ecm/pcm (left side of engine compt) Ect sensor 1 (rear of engine) Ect sensor 2 (lower left side of radiator) Engine controls system Except si F can-h F can-l Fan control relay Fan hi sig Frd-p Frs Fuse 15a Fuse 2-10 20a Fuse 2-11 20a Fuse 2-8 40a Fuse 7.5a G301 (under left front headlight assembly) G401 (left kick panel) Hot at all times Junction connector c404 (except si) junction connector c410 (si) Junction connector c417 (except si) junction connector c420 (si) (right rear of engine compt) M-def M-vent Mode control motor (left side of blower unit) Mode-p Multi- fuse 2 Nca Pd sens Pgm-fi sub relay Pnk Power distribution system Radiator fan motor (front of engine compt) Radiator fan relay Rec Recirculation control motor (left side of blower unit) Red Relay holder a Relay holder b Rly ctrl S4 (thermal joint) S5v Sg2 Sg6 Snse com Sub rly Tw2 sens Under- hood fuse/ relay box (left rear of engine compt) Vcc6 Automatic A/C Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Automatic A/C Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 36 Air mix control motor (left side of hvac assembly) Automatic lighting/ sunlight sensor (top center of windshield) Blower motor (bottom of blower unit) C17 C204 C205 C206 C208 C228 C402 C408 Center junction box 1 (behind instrument cluster) Climate control unit Computer data lines system D14 Defogger system Driver's micu Evaporator Exterior lights system Fuse 7.5a G401 (left kick panel) G504 (right end of dash) Gauge control module (tach) Heater core temperature sensor (lower right side of hvac assembly) Hot in on Hot in on or start Humidity/in-car temperature sensor (lower left side of dash) Junction connector c213 Mode control motor (right side of hvac assembly) Outside air temperature sensor (behind left side of front bumper) Pnk Power transistor (near blower motor) Recirculation control motor (right side of hvac assembly) Red Temperature sensor (right side of hvac unit) Under-dash fuse/relay box (under left end of dash) Automatic A/C Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Automatic A/C Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 52 A/c compressor (left front of engine) A/c compressor clutch relay A/c compressor driver (right side of battery module) A/c condenser fan motor (right front of engine compt) A/c condenser fan relay A/c pressure sensor (right front corner of engine compt) A10 A11 A12 A15 A16 A20 A27 A30 A44 Auxiliary electric water pump (right rear of engine compt) Auxiliary electric water pump relay B10 B34 B44 Blower motor relay C402 Clutch compressor a/c Computer data line system Computer data lines system Diode a Diode b Ect sensor 1 (right rear of engine) Ect sensor 2 (lower left side of radiator) Engine controls system Fan control relay Fuse 15a Fuse 2-10 20a Fuse 2-11 20a Fuse 2-8 40a Fuse 7.5a G301 (under left headlight assembly) G401 (left kick panel) G901 (base of right "c" pillar) Hot at all times Junction connector c409 Junction connector c602 Nca Pcm (left side of engine compt) Pgm-fi sub relay Pnk Radiator fan motor (behind radiator) Radiator fan relay Red Relay control module (in under-hood fuse/relay box) Thermal protector Under-hood fuse/relay box (left rear of engine compt) Manual A/C Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Manual A/C Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 72 (or pnk) (right end of dash) g504 2 door 4 door A/c compressor (left front of engine) A/c compressor clutch A/c out A11 A12 A13 Acs Air mix control motor (on left side of hvac assembly) Amd-p B- canh B- canl B11 B12 B13 Blower g Blower motor (bottom of blower unit) Blower v C17 C204 C207 C221 C409 C414 Center junction box 1 Center junction box 2 Climate control unit D14 D17 Defogger system Driver's micu Econ sw Evaporator temperature sensor (top center of hvac unit) Except si F/r mtr fresh F/r mtr rec Fuse 7.5a G401 (left kick panel) Gauge control module Gnd H10 Hot in on Ig2 a/c Ill+ Ill- (led) Interior lights Junction connector c404 (except si) junction connector c410 (si) M-cool M-hot Mdd-p Mode mtr def Mode mtr vent Nca Pnk Power transistor (bottom of blower unit) Red Rfd-p Rr def rly ctrl S5v Snse com Snsr com System Teva Thermal protector Thermal prt Under- dash fuse/ relay box (under left end of dash) W/ seat heaters W/o seat heaters W12 Manual A/C Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Manual A/C Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 62 (or pnk) 2 door 4 door A/c compressor clutch relay A/c condenser fan motor (right front of engine compt) A/c condenser fan relay A/c pressure sensor (right front of engine compt) A10 sg6 A12 rly ctrl A15 rly ctrl A16 fan hi sig A20 sub rly A27 pd sens A3 f can-h A30 vcc6 A4 f can-l A44 tw2 sens B34 tw B44 sg2 Blower motor relay C207 C221 Computer data line system Diode d Diode e Ecm/pcm (left side of engine compt) Ect sensor 1 (rear of engine) Ect sensor 2 (lower left side of radiator) Engine controls system Except si Fan control relay Frd-p Frs Fuse 15a Fuse 2-10 20a Fuse 2-11 20a Fuse 2-8 40a Fuse 7.5a G301 (under left front headlight assembly) G401 (left kick panel) Hot at all times Junction connector c417 (except si) junction connector c420 (si) (right rear of engine compt) M-def M-vent Mode control motor (left side of blower unit) Mode-p Multi- fuse 2 Nca Pgm-fi sub relay Pnk Power distribution system Radiator fan motor (front of engine compt) Radiator fan relay Rec Recirculation control motor (left side of blower unit) Red Relay holder a Relay holder b S4 (thermal joint) S5v Snse com Under- hood fuse/ relay box (left rear of engine compt)
ANTI-LOCK BRAKES Advanced Hydraulic Booster Wiring Diagram for Honda Civic Si 2012 List of elements for Advanced Hydraulic Booster Wiring Diagram for Honda Civic Si 2012: 40 5v regulator A13 Brake fluid level switch (on brake master cylinder reservoir) Brake ind Brake pedal position switch (top of brake pedal assembly) Brake pedal stroke sensor (top of brake pedal assembly) Brake system ind (amber) C16 C205 C218 Can h Can l Can-h Can-l Computer data lines system D17 D31 F can transceiver Fail safe circuit Forced turning on circuit Fuse 1-2 40a Fuse 10a Fuse 15a Fuse 7.5a G202 (right front of engine compt) G401 (left kick panel) Gauge control module Hot at all times Hot in on Hot in on or start Indicator circuit Main circuit Parking brake switch (at base of park lever) Pcm (left side of engine compt) Power unit (right rear of engine compt) Red Servo unit (left rear corner of engine compt) Stop sw Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Anti-Lock Brakes Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Anti-Lock Brakes Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 73 (1.8l) (at base of parking brake lever) parking brake switch (right front of engine compt) g202 2-door 4-door A13 Abs ind Brake fluid level switch (on brake master cylinder reservoir) Brake ind Brake pedal position switch (under left side of dash) C16 C204 C216 C220 C232 Can h Can l Column cover) Computer data lines system Control circuit D31 Ecm/pcm (left side of engine compt) Econ switch F can transceiver F-can h F-can l F-can-h F-can-l Fl+ Fl- Fr+ Fr- Fsr +b Fuse 1-3 30a Fuse 1-4 30a Fuse 10a Fuse 15a Fuse 7.5a G401 (left kick panel) G501 (left end of dash) G503 (under left side of dash) Gauge control module Gnd Hot at all times Hot in on or start Ig1 Interior lights system K-line Left front wheel speed sensor (on left front wheel hub assembly) Left rear wheel speed sensor (on left rear wheel hub assembly) M-gnd Mr +b Multi fuse 1 Nca Option a Option b P15 Pnk Red Right front wheel speed sensor (on right front wheel hub assembly) Right rear wheel speed sensor (on right rear wheel hub assembly) Rl+ Rl- Rr+ Rr- Steering angle sensor (in steering Stop sw Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Vsa ind Vsa modulator control unit (right front of engine compt) Vsa off ind Vsa off switch Anti-Lock Brakes Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Anti-Lock Brakes Wiring Diagram, Hybrid for Honda Civic Si 2012: 71 (at base of park lever) parking brake switch (if equipped) (right front of engine compt) g202 5v regulator A13 Abs ind Brake fluid level switch (on brake master cylinder reservoir) Brake ind Brake pedal position switch (top of brake pedal assembly) Brake system ind (amber) C16 C205 C218 C222 Can h Can l Computer data lines system D31 Econ switch F can transceiver F-can h F-can l F-can-h F-can-l Fail safe circuit Fl+ Fl- Forced turning on circuit Fr+ Fr- Fsr +b Fuse 1-3 30a Fuse 1-4 30a Fuse 10a Fuse 15a Fuse 7.5a G401 (left kick panel) G501 (left end of dash) G503 (left side of dash) Gauge control module Gnd Hot at all times Hot in on or start Ig1 Indicator circuit Interior lights system K-line Left front wheel speed sensor (on left front wheel hub assembly) Left rear wheel speed sensor (on left rear wheel hub assembly) M-gnd Main circuit Mr +b P15 Pcm (left side of engine compt) Pnk Red Right front wheel speed sensor (on right front wheel hub assembly) Right rear wheel speed sensor (on right rear wheel hub assembly) Rl+ Rl- Rr+ Rr- Steering angle sensor (top of Steering column) Stop sw Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Vsa ind Vsa modulator control unit (right front of engine compt) Vsa off ind Vsa off switch
ANTI-THEFT Forced Entry Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Forced Entry Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 94 (left side of dash) g502 (right end of dash) g504 (under front passenger's seat) g602 +b back up 2-door 4-door As door sw As remt sw lock As remt sw unlock As silcon unlock Atp-p B-can h B-can l B11 B15 B18 B22 B29 B32 B33 B34 B40 C19 C202 C215 C217 C228 C27 C37 Computer data lines system D/l dr mtr rly cl D/l mtr lock rly cl D/l mtr unl rly cl D23 D28 D29 Door lock switch front passenger's Dr door sw Dr key cyl lock Dr key cyl unlock Dr silcon lock Dr silcon unlock Driver's door lock actuator/knob switch/ key cylinder switch Driver's door lock knob switch Driver's micu Exterior lights system Front passenger's power window switch Fuse 10a Fuse 15a Fuse 20a Fuse 7.5a G501 (left end of dash) G502 (left side of dash) G503 (under left side of dash) H/lo r rly cl Headlights system Hood sw Horn rly cl Horns system Hot at all times Hot in on or start Ig1 meter Ignition key switch Key cylinder switch driver's door Key sw Knob lock door key Lock Lock relay Lock switch driver's door N10 N12 Neutral P11 P20 Pnk Power window master switch Q16 Ra door sw Rd door sw Remote sw lock Remote sw unlock Rr l silcon unlock Rr r silcon unlock S-gnd Small lt rly cl Tailgate actuator relay Trunk act rly cl Trunk sw Under-dash fuse/relay box (under left end of dash) Unlock Unlock relay Unlock relay (dr) W10 X10 Forced Entry Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Forced Entry Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 53 (front center of engine compt) (if equipped) security hood switch (left rear of trunk) g701 (on transmission housing) (a/t) transmission range switch (right end of dash) g504 (under front passenger's seat) g602 +b back up 2-door 4-door A23 Antenna B can-h B can-l B-can transceiver B16 C202 C205 C217 C230 C231 C236 C239 C406 Center junction box Computer data lines system Control circuits Data link connector (dlc) Driver's door switch (in left "b" pillar) Front passenger's door lock actuator/knob switch (security) Front passenger's door switch (in right "b" pillar) Fuse 10a G101 (except si) (left rear of engine) G401 (left kick panel) G602 (under front passenger's seat) Gauge control module (speedo) Gauge control module (tach) Hot at all times Immobilizer keyless control unit J/c c404 Knob switch door lock front passenger's Knob switch door lock left rear Knob switch door lock right rear Left rear door lock actuator/knob switch (4 door security) Left rear door switch (4 door) (in left "c" pillar) Lock Pnk Right rear door lock actuator/knob switch (4 door security) Right rear door switch (4 door) (in right "c" pillar) Security ind Trunk latch switch Trunk lid latch switch/ trunk release actuator Trunk release actuator Under-hood fuse/relay box (left rear of engine compt) Unlock Forced Entry Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Forced Entry Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 61 (left side of dash) g502 (right end of dash) g504 (under front passenger's seat) g602 B11 B15 B18 B22 B29 B32 B33 B34 B40 C19 C202 C203 C217 C27 C37 Computer data lines system Control block D23 D28 D29 Door lock switch front passenger's Driver's door lock actuator/knob switch/ key cylinder switch Driver's door lock knob switch Driver's micu Exterior lights system Front passenger's power window switch Fuse 10a Fuse 15a Fuse 20a Fuse 7.5a G501 (left end of dash) G502 (left side of dash) G503 (left side of dash) Headlights system Horns system Hot at all times Hot in on or start Ignition key switch J/c c301 (center of driver's door) Key cylinder switch driver's door Knob lock door key Lock Lock relay Lock switch driver's door N10 N12 Neutral P11 P20 Pnk Power window master switch Tailgate actuator relay Under-dash fuse/relay box (under left end of dash) Unlock Unlock relay Unlock relay (dr) W10 X10 Forced Entry Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Forced Entry Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 41 (left rear of trunk) g701 (middle of trunk lid) trunk lid latch switch/ trunk release actuator (on engine compartment hood latch assembly) security hood switch (on transmission housing) transmission range switch (right end of dash) g504 (under front passenger's seat) g602 B-can h B-can l B-can transceiver Blinking circuit C203 C204 C220 C221 C226 Computer data lines system Driver's door switch (in left "b" pillar) Front passenger's door lock actuator/knob switch Front passenger's door switch (in right "b" pillar) Fuse 10a G101 (left rear of engine) G401 (left kick panel) Gauge control module (speedo) Gauge control module (tach) Hot at all times J/c c402 Knob switch door lock front passenger's Knob switch door lock left rear Knob switch door lock right rear Left rear door lock actuator/knob switch Left rear door switch (in left "c" pillar) Lock Main circuit Pnk Right rear door lock actuator/knob switch Right rear door switch (in right "c" pillar) Security ind Trunk latch switch Trunk release actuator Under-hood fuse/relay box (left rear of engine compt) Unlock Immobilizer Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Immobilizer Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 71 +b back up +b back up s gnd 2 door 4 door A15 A17 A40 Antenna B can h B can l B10 B22 B23 B32 C10 C13 C216 C220 C24 C25 C35 Can h Can l Center junction box 1 Computer data lines system Control circuits D28 Data link connector (dlc) Driver's Ecm/pcm (left side of engine compt) F can h F can l Fi main rly Fi main rly out Fuel pump Fuel pump rly Fuel tank unit (in top of fuel tank) Fuse 10a Fuse 15a Fuse 7.5a G101 (left side of engine compt) G503 (under left side of dash) G601 (under driver's seat) G602 (under front passenger's seat) Gauge control module (tach) Hot at all times Hot in on or start Ig1 Ig1 fuel pump Ignition key switch Immobilizer ind Immobilizer keyless control unit (on steering column) J/c c410 Key sw Kline Micu P11 P18 Parking brake switch (at base of parking brake lever) Pg1 Pgm-fi main relay 1 Pgm-fi main relay 2 Pnk Q16 Red S-net S2 (thermal joint) Transceiver b-can Transceiver f-can Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Immobilizer Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Immobilizer Wiring Diagram, Hybrid for Honda Civic Si 2012: 50 (left rear of engine compt) j/c c402 A17 A40 B-can h B-can l B10 C10 C13 C218 C222 C229 C24 C25 Center junction box 1 (behind instrument cluster) Computer data lines system Control circuits D28 Data link connector (dlc) Driver's Engine controls system F-can h F-can l Fuel tank unit (top of fuel tank) Fuse 10a Fuse 15a Fuse 7.5a G101 (top left rear of engine) G501 (left end of dash) G501 (top of fuel tank) G503 (left side of dash) Gauge control module (tach) Hot at all times Hot in on or start Ignition key switch Immobilizer ind Immobilizer keyless control unit (in steering column) Micu P11 P18 Parking brake switch (at base of park lever) Pcm (left side of engine compt) Pgm-fi main relay 1 Pgm-fi main relay 2 Pnk Q16 Red Transceiver b-can Transceiver f-can Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (on left side of engine compt)
BODY CONTROL MODULES Body Control Modules Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Body Control Modules Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 81 (a/t) didode b (a/t) reverse relay (not used) A/c cut Acs Air conditioning system Anti-theft system B21 B28 B33 B34 Back lt Back up C16 C19 C22 C23 C24 C26 C27 C32 C36 C37 Computer data lines system D/l mtr lck rly D/l mtr rly D/l mtr unl rly D14 D20 D21 D28 D29 D30 Door locks & anti-theft systems Driver unlock relay Driver's micu Engine controls system Exterior lights system Fr fog lt rly Fr wash rly Fr wiper as Fr wiper int rly Fuse 7.5a H/l lo r rly Hazard sw Headlights system Headlights, warning & navigation systems Hood sw Horn rly Horn sw Horns system Hot in on Hot in on or start Ig1 meter Ig2 day lt Instrument cluster system K line Lock relay P/w timer P19 Pnk Power distribution system Power tops system Power window relay Q10 Q14 Q16 Ra door sw Rd door sw S net Shift interlock system Small lt rly Stop sw Tailgate actuator relay Trunk act rly Under-dash fuse/relay box (under left end of dash) Unlock relay W12 Windshield washer main relay Wiper hi/lo rly Wiper/washer system Body Control Modules Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Body Control Modules Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 100 (not used) +b l h/l hi +b r h/l hi Acc ley lck As door sw As remote sw lk As remote sw unlk As silcon unlk Atp-p B-can h B-can l B12 B22 B29 B32 B40 B44 C11 C14 C18 Combi gnd Computer data lines system D11 D23 Door locks & anti-theft systems Dr door sw Dr key cyl lk Dr key cyl unlk Dr silcon lk Dr silcon unlk Driver's micu Exterior lights system Fr fog sw Fr washer sw Fr wiper hi & lo sw Fr wiper int & lo sw Fr wiper int vol Fr wiper mist sw Fuse 10a Fuse 7.5a G501 (left end of dash) G602 (under front passenger's seat) H/l hi sw H/l off sw H/l on sw Hazard Headlights system Headlights, exterior lights & interior lights systems Hot at all times Hot in on or acc Interior lights system Intr light K10 K11 Key lt- Key sol Key sw L turn L turn sw N11 Navigation & sound systems P-pin sw P10 P11 P12 Passing sw Pnk R h/l hi R turn R turn sw Red Remote sw lk Remote sw unlk Rr l silcon unlk Rr r silcon unlk S gnd S-gnd Scty radio sw Shift interlock & transmissions systems shift interlock system Shift interlock system Small lt sw T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 Trunk, tailgate, fuel doors system Turnk sw Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) W10 Warning systems Wiper/ washer system Wiper/washer system X10 Body Control Modules Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Body Control Modules Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 56 (not used) (optional connector e) Air conditioning system Anti-theft system B20 B21 B28 B33 B34 C16 C19 C22 C23 C24 C26 C27 C29 C32 C36 C37 Computer data lines system D14 D20 D21 D28 D29 D30 Didode c Door locks & anti-theft systems Driver unlock relay Driver's micu Engine controls system Exterior lights system Fuse 7.5a Headlights system Headlights, warning & navigation systems Horns system Hot in on Hot in on or start Instrument cluster system Lock relay Navigation & sound systems P19 Pnk Power distribution system Power window relay Q10 Q14 Q16 Reverse relay Shift interlock system Tailgate actuator relay Under-dash fuse/relay box (under left end of dash) Unlock relay Wiper/washer system Wishield washer main relay Body Control Modules Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Body Control Modules Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 61 (not used) (optional connector e) Anti-theft system B12 B22 B29 B32 B38 B40 B44 C11 C14 C18 Computer data lines system D11 D23 Door locks & anti-theft systems Driver's micu Exterior lights system Fuse 10a Fuse 7.5a G501 (left end of dash) G602 (under front passenger's seat) Headlights system Headlights, exterior lights & interior lights systems Hot at all times Hot in on or acc Interior lights system K10 K11 Mirrors system N11 Navigation & sound systems P10 P11 P12 Pnk Q12 Q13 Red Shift interlock & transmissions systems Shift interlock system T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 Transmissions system Trunk, tailgate, fuel doors system Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) W10 Warning systems Wiper/ washer system Wiper/washer system X10
COMPUTER DATA LINES B-CAN Wiring Diagram & S-NET Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for B-CAN Wiring Diagram & S-NET Wiring Diagram, Hybrid for Honda Civic Si 2012: 28 (optional connector e) A15 A17 A31 Audio unit (w/o navigation) audio navi- gation unit (w/ navigation) Automatic lighting control unit B-can h B-can l B13 C24 Center junction box 1 (behind instrument cluster) Center junction box 2 (behind instrument cluster) Climate control unit D28 Driver's micu Fuse a29 10a G501 (left end of dash) Gauge control module H10 Hot at all times Immobilizer keyless control unit (in steering column) Multi- information display unit Pcm (left side of engine compt) Pnk Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) W/ navigation W/o navigation B-CAN Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for B-CAN Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 42 (honda accessory used for remote starting system) (not used) (on steering +b back up A15 b-can l A31 Audio navigation unit Audio unit Automatic lighting control unit (if equipped) (top center of dash) B- can h B- can l B-can h B-can l B13 B32 Center junction box 1 Center junction box 2 Climate control unit (if equipped) Column) Control unit D28 Driver's micu Fuse a29 10a G602 (under front passenger's seat) Gauge control module Gnd H10 Hot at all times Immobilizer Information display Information display unit Keyless Multi- information display unit Multi-information display w/o center junction box 2 Pnk Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) W/ center junction box 2 W/ multi- W/ navigation W/o multi- W/o navigation Data Link Connector Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Data Link Connector Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 31 (not used) A13 A19 A20 A21 Audio unit (w/o navigation) audio-navigation unit (w/ navigation) C10 C20 C204 Center junction box 1 D21 D30 Dlc (under left side of dash) Driver's micu Except si F-can-h F-can-l Fuse a29 10a G101 (left rear of engine) G501 (left end of dash) Gauge control module Hot at all times Immobilizer keyless control unit (on steering column) J/c c404 (left rear of engine compt) K-line Q14 Red Srs unit (under middle of dash) Steering angle sensor (in steering column cover) Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Data Link Connector Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Data Link Connector Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 21 (not used) A10 A11 A42 B42 B43 Center junction box 2 D26 D27 Ecm/pcm (left side of engine compt) Eps control unit (behind right kick panel) F-can-h F-can-l J/c c417 (except si) j/c c420 (si) (right rear of engine compt) K-line P16 Red Scs Tpms control unit (if equipped) (left end of dash) Under-dash fuse/relay box (under left end of dash) Vsa modulator control unit (right front of engine compt) Data Link Connector Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Data Link Connector Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 28 A13 A19 A20 A21 Audio unit (w/o navigation) audio-navigation unit (w/ navigation) C20 C205 Center junction box 1 (behind instrument cluster) D21 D30 Dlc (under left side of dash) Driver's micu F-can-h F-can-l Fuse a29 10a G101 (top left rear of engine) G501 (left end of dash) Gauge control module Hot at all times Immobilizer keyless control unit (in steering column) J/c c402 (left rear of engine compt) K-line Q14 Red Srs unit (under front of center console) Steering angle sensor (top of steering column) Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Data Link Connector Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Data Link Connector Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 23 A10 A11 A17 A42 C207 C228 Center junction box 2 (behind instrument cluster) D26 D27 Eps control unit (right kick panel) F-can-h F-can-l J/c c409 (right rear of engine compt) K-line Mcm (right rear of ipu) P16 Pcm (left side of engine compt) Red Scs Servo unit (lower left rear of engine) Tpms control unit (if equipped) (left end of dash) Under-dash fuse/relay box (under left end of dash) Vsa modulator control unit (right front of engine compt) GA-NET Bus/GA-NET Audio Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for GA-NET Bus/GA-NET Audio Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 31 2-door 4-door A11 A12 A24 A25 A26 A27 A32 Audio unit (w/o navigation) audio navigation unit (w/ navigation) C11 C12 C216 C220 Ga bus + Ga bus - Ga bus sh Ga sys on Handsfreelink control unit (w/ navigation) (right side of dash) J/c c208 (4-door) j/c c226 (2-door) (lower center of dash) J/c c210 (4-door) j/c c224 (2-door) (lower center of dash) J/c c212 (4-door) j/c c222 (2-door) (lower center of dash) L + ga audio L - ga audio Multi-function display unit Pnk R + ga audio R - ga audio Red Sh ga audio Xm receiver (if equipped) (right side of trunk)
COOLING FAN Cooling Fan Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Cooling Fan Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 55 (or pnk) 2 door 4 door A/c condenser fan motor (right front of engine compt) A/c condenser fan relay A/c pressure sensor (right front of engine compt) A10 A15 A16 A20 A27 A30 A44 B34 B44 Computer data line system D17 Diode d Diode e Ecm/pcm (left side of engine compt) Ect sensor 1 (rear of engine) Ect sensor 2 (lower left side of radiator) Engine controls system Except si F can-h F can-l Fan control relay Fan hi sig Fuse 15a Fuse 2-10 20a Fuse 2-11 20a Fuse 7.5a G301 (under left front headlight assembly) Hot at all times Hot in on Junction connector c417 (except si) junction connector c420 (si) (right rear of engine compt) Multi- fuse 2 Nca Pd sens Pgm-fi sub relay Pnk Power distribution system Radiator fan motor (front of engine compt) Radiator fan relay Red Relay holder a Rly ctrl S4 (thermal joint) Sg2 Sg6 Sub rly Tw2 sens Under- dash fuse/ relay box (under left end of dash) Under- hood fuse/ relay box (left rear of engine compt) Vcc6 Cooling Fan Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Cooling Fan Wiring Diagram, Hybrid for Honda Civic Si 2012: 37 A/c condenser fan motor (right front of engine compt) A/c condenser fan relay A/c pressure sensor (right front corner of engine compt) A10 A15 A16 A20 A27 A30 A44 B34 B44 C17 Computer data line system Diode a Diode b Ect sensor 1 (right rear of engine) Ect sensor 2 (lower left side of radiator) Engine controls system Fan control relay Fuse 15a Fuse 2-10 20a Fuse 2-11 20a Fuse 7.5a G301 (under left headlight assembly) Hot at all times Hot in on or start Junction connector c409 Pcm (left side of engine compt) Pgm-fi sub relay Pnk Radiator fan motor (behind radiator) Radiator fan relay Red Relay control module (in under-hood fuse/relay box) Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt)
CRUISE CONTROL Cruise Control Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Cruise Control Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 82 (left rear of engine compt) j/c c404 (or pnk) (or red) (or tan) (under left side of dash) brake pedal position switch A13 A14 A25 A28 A29 A35 A36 A45 A46 A48 App sensor (left rear of engine compt) App sensor 1 App sensor 2 Aps1 Aps2 Atp fwd B10 B19 B21 B22 B23 B39 B48 Bkswnc C14 C16 C22 C23 C24 C25 C30 C31 C34 C406 Clutch pedal position switch (m/t) (under left side of dash) Clutch sw (cruise) Computer data lines system D10 D12 Dbw rly cl- Engine controls system Etcs control relay Except si Fcan-h Fcan-l Fi main rly cl- Fi main rly out Fuse 15a G101 (left rear of engine) G401 (left kick panel) Hot in on or start J/c c404 (left rear of engine compt) J/c c407 (except si a/t) j/c c405 (except si m/t) j/c c412 (si) J/c c410 (left rear of engine compt) Mtr1 Mtr2 Output shaft (counter shaft) speed sensor (on transmission housing) Pcm/ecm (left side of engine compt) Pgm-fi main relay 1 Red S2 (thermal joint) Sg1 Sg3 Sg4 Sg5 Stop sw Thl1 Thl2 Throttle actuator Throttle body (2.4l: left rear of engine) (1.8l: right rear of engine) Transmission range switch (a/t) (on transmission housing) Under-dash fuse/relay box (under left end of dash) Vbdbw Vcc1 Vcc3 Vcc4 Vcc5 Cruise Control Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Cruise Control Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 29 (not used) +b backup C15 C16 Cable reel (on steering column) Cancel button Computer data lines system Control circuits Cruise button Cruise control combination switch Cruise control indicator Cruise control main switch indicator D28 Driver's micu F-can transceiver Fuse 10a Fuse 15a Fuse 7.5a G503 (under left side of dash) Gauge control module (tach) Hot at all times Hot in on or start Interior lights system Red Res/+ button Set/- button Steering wheel Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Cruise Control Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Cruise Control Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 42 (top of brake pedal assembly) brake pedal position switch A13 A25 A28 A29 A35 A36 A45 A46 A48 App sensor (left rear of engine compt) App sensor 1 App sensor 2 B29 B35 B44 B48 C14 C22 C25 C30 C31 C34 Computer data lines system D10 D12 Etcs control relay Fuse 2 15a G101 (top left rear of engine) Hot in on or start J/c c402 (left rear of engine compt) J/c c406 (right rear of engine) Pcm (left side of engine compt) Pgm-fi main relay 1 Pnk Red Throttle actuator Throttle body (left rear of engine) Throttle open sensor Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash) Vehicle speed sensor Cruise Control Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Cruise Control Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 28 10v stabilizing circuit C15 C16 Cable reel (top of steering column) Cancel switch Computer data lines system Cruise control indicator Cruise control/ speed limiter switch Cruise main indicator Dimming circuit Driver's micu F-can h F-can l F-can transceiver Fuse 15a Fuse 7.5a G503 (left side of dash) Gauge control module (tach) Hot at all times Hot in on or start Indicator driver circuit Main circuit Main switch Red Res/+ switch Set/- switch Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt)
DEFOGGERS Defoggers Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Defoggers Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 41 (4 door) (2 door) 2 door 4 door Automatic a/c C202 C203 C204 C215 C217 C218 C229 Center junction box 1 Center junction box 2 Climate control unit Defogger Fuse 2-6 30a 40a Fuse 22 7.5a G502 (left side of dash) G504 (right end of dash) G801 (right "c" pillar) H10 Hot at all times Hot in on J/c c301 (front of driver's door) Left power mirror (w/ power mirror defogger) Manual a/c Multi- fuse 2 Nca Noise reduction condenser (in left "c" pillar) Power mirror defogger relay (if equipped) Rear window defogger Rear window defogger relay Rear window/ power mirror defogger indicator Rear window/ power mirror defogger switch Red Relay holder b Right power mirror (w/ power mirror defogger) Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) W/ seat heaters W/o seat heaters Defoggers Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Defoggers Wiring Diagram, Hybrid for Honda Civic Si 2012: 35 7.5a A11 A12 A15 C17 C202 C203 C205 C217 C219 Center junction box 1 (behind instrument cluster) Center junction box 2 (behind instrument cluster) Climate control unit Fuse 2-6 30a Fuse 22 G502 (left side of dash) G504 (right end of dash ) G504 (right end of dash) G801 (base of right "c" pillar) H10 Hot at all times Hot in on or start J/c c301 (center of driver's door) Left power mirror Noise reduction condenser (in left "c" pillar) Power mirror defogger relay Rear window defogger Rear window defogger relay Rear window/ power mirror defogger indicator Rear window/ power mirror defogger switch Red Relay control module (in underhood fuse/relay box) Right power mirror Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Electronic Power Steering Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 65 (except sedan : right kick panel) (sedan : behind glove box) g403 (right end of dash) g402 +b eps A10 A11 A22 B10 B11 B12 B13 B14 B15 B16 C240 C241 C242 Computer data lines system Control circuits D31 Ecm/pcm (left side of engine compt) Eps control unit (behind right kick panel) Eps indicator Eps motor Eps motor angle sensor Eps torque sensor F can-h F can-l F-can transceiver Fuse 7.5a Fuse a1-1 (eps) 70a G503 (under left side of dash) Gauge control module Gnd Hot at all times Hot in on or start Ig1 vsa/abs K line Multi- fuse 1 Nep Pnk Pvf R1 (vs1) R2 (pvf) Red Res (r1) Res (r2) Res (s1) Res (s2) Res (s3) Res (s4) Resolver r1 Resolver r2 Resolver s1 Resolver s2 Resolver s3 Resolver s4 Steering gearbox Trq (vs2) U mtr Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) V mtr Vs1 Vs2 W mtr Electronic Power Steering Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Electronic Power Steering Wiring Diagram, Hybrid for Honda Civic Si 2012: 39 (left side of engine compt) pcm (on steering rack assembly) eps motor (right kick panel) g403 (top left rear of engine) g101 A10 A11 A22 B10 B11 B12 B13 C20 C230 C231 C232 Circuit Computer data lines system D31 Drive circuit indicator Eps control unit (right kick panel) Eps ind Eps motor angle sensor (on steering rack assembly) F-can h F-can l Fail-safe circuit Forced turning-on circuit Fuse 1-1 70a Fuse 7.5a Gauge control module Hot at all times Hot in on or start Main circuit Pnk Red Torque sensor (on eps motor) Transceiver f-can Turning-off forced Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt)
ENGINE PERFORMANCE
1.5L HYBRID 1.5L Hybrid, Engine Controls Wiring Diagram (1 of 5) for Honda Civic Si 2012 List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (1 of 5) for Honda Civic Si 2012: 73 (lower left side of radiator) ect sensor 2 (right front corner of engine compt) a/c pressure sensor (under rear of vehicle) evap canister vent shut valve A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45 A46 A47 A48 A49 Air conditioning system App sensor (left rear of engine compt) App sensor 1 App sensor 2 C222 Computer data lines system Cooling fans system Eps control unit (right kick panel) F-can transceiver Fail-safe circuit Forced turning-off circuit Forced turning-on circuit Ftp sensor (top of fuel tank) Fuse 15a G503 (left side of dash) Gauge control module (tach) Hot at all times Indicator drive circuit J/c c409 Main circuit Mil ind Navigation & sound system Nep Pcm (left side of engine compt) Pgm-fi sub- relay Pnk Red Shift interlock system Starting/ charging system Under- hood fuse/ relay box (left rear of engine compt) 1.5L Hybrid, Engine Controls Wiring Diagram (2 of 5) for Honda Civic Si 2012 List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (2 of 5) for Honda Civic Si 2012: 33 C222 C229 C401 Cvt clutch pressure control solenoid valve (on transmission housing) Cvt output shaft (drive pulley) speed sensor (top of transmission housing) Eld unit Evap canister puge valve (top rear of engine) Exhaust side ignition coils (top right side of engine) Fuel pump Fuel tank unit (top of fuel tank) Fuse 1-6 100a Fuse 15a Fuse 20a G101 (top left rear of engine) G301 (under left headlight assembly) G601 (under driver's seat) Hot at all times Iat sensor Icm Ignition coil relay J/c c402 J/c c405 J/c c406 Maf sensor Maf/iat sensor (on engine air intake duct) Map sensor (left rear side of engine) Oil pressure switch (near oil filter) Pgm-fi main relay 2 Pnk Red Spark plug Tan Under- hood fuse/ relay box (left rear of engine compt) 1.5L Hybrid, Engine Controls Wiring Diagram (3 of 5) for Honda Civic Si 2012 List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (3 of 5) for Honda Civic Si 2012: 61 (front left side of engine) engine oil temperature sensor (on transmission housing) atf temperature sensor (rear of cylinder head) rocker arm oil pressure sensor a (rear of cylinder head) rocker arm oil pressure sensor b (right rear of engine) ect sensor 1 (top left front of engine) egr valve & egr valve position sensor (top left rear of engine) (top left rear of engine) rocker arm oil control solenoid a (top left rear of engine) rocker arm oil control solenoid b B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 B38 B39 B40 B41 B42 B43 B44 B45 B46 B47 B48 B49 Battery sensor C401 C405 Cvt drive pulley pressure control solenoid valve G101 G101 (top left rear of engine) G902 (rear of transmission) J/c c406 Pcm (left side of engine compt) Pnk Red Tan 1.5L Hybrid, Engine Controls Wiring Diagram (4 of 5) for Honda Civic Si 2012 List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (4 of 5) for Honda Civic Si 2012: 34 (left rear of engine compt) j/c c402 Brake pedal position switch (top of brake pedal assembly) C13 C16 C20 C24 C25 C34 C401 C403 Ckp sensor (left side of engine) Cmp sensor (right of engine) Computer data lines system Cvt driven pulley pressure control solenoid valve (on transmission housing) Cvt driven pulley pressure sensor (on transmission housing) Cvt input shaft (drive pulley) speed sensor (on transmission housing) D10 D12 D19 D23 Driver's micu Etcs control relay Fuse 15a Fuse 7.5a G101 (top left rear of engine) G902 (rear of transmission) Hot in on or start Inhibitor solenoid (on transmission housing) Pgm-f1 main relay 1 Pnk Red Tan Under-dash fuse/relay box (under left end of dash) Vehicle speed sensor 1.5L Hybrid, Engine Controls Wiring Diagram (5 of 5) for Honda Civic Si 2012 List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (5 of 5) for Honda Civic Si 2012: 64 (on transmission housing) throttle body (on transmission housing) transmission range switch (top left rear of engine) (top left rear of engine) g101 (top left side of engine) injectors A/f sensor 1 (right rear of engine) C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 Computer data lines system Exterior lights system G101 G101 (top left rear of engine) Icm Intake side ignition coils (top left side of engine) J/c c402 J/c c405 J/c c406 Knock sensor (front left side of engine) Pcm (left side of engine compt) Pnk Red Secondary ho2s sensor 2 (in exhaust) Spark plug Tan Throttle actuator Throttle open sensor 1.5L Hybrid, IMA Wiring Diagram (1 of 3) for Honda Civic Si 2012 List of elements for 1.5L Hybrid, IMA Wiring Diagram (1 of 3) for Honda Civic Si 2012: 58 (center front of ipu) junction board (right side of ipu) dc-dc converter A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 C218 C228 Computer data lines system Fuse 10a Fuse 7.5a G5 (right front of battery module compt) Hot in on or start Ima motor Mcm (right rear of ipu) Motor current sensor (front center of ipu) Nca Pnk Red T10 T11 T12 Tan Under-dash fuse/relay box (under left end of dash) 1.5L Hybrid, IMA Wiring Diagram (2 of 3) for Honda Civic Si 2012 List of elements for 1.5L Hybrid, IMA Wiring Diagram (2 of 3) for Honda Civic Si 2012: 33 Audio navigation unit Battery module C219 C222 C228 C601 Central junction box 1 Central junction box 2 Computer data lines system D28 Fuse 1-6 100a Fuse 10a Fuse 7.5a G901 (base of right "c" pillar) Hot at all times Ipu module fan (left side of ipu) J/c c602 J/c c604 Mcm relay 1 Mcm relay 2 Nca Pnk Q16 Red T101 Tan Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) V-sensor 1 V-sensor 2 V-sensor 3 V-sensor 4 W/ navigation 1.5L Hybrid, IMA Wiring Diagram (3 of 3) for Honda Civic Si 2012 List of elements for 1.5L Hybrid, IMA Wiring Diagram (3 of 3) for Honda Civic Si 2012: 39 (right front of engine compt) (right side of battery module) a/c compressor driver (top left rear of engine) (under left headlight assembly) 10v stabilizer circuit A/c compressor (left front of engine) A/c compressor clutch/ thermal protector Auto idle stop indicator (auto stop) C204 C220 C227 C228 C407 Charging system indicator Computer data lines system Dimming circuit F can tranceiver F-can h F-can l Fuse 7.5a G101 G301 G302 G503 (left side of dash) G901 (base of right "c" pillar) Gauge control module (tach) Hot in on or start Ima indicator Indicator drive circuit J/c c602 Main circuit Motor rotor position sensor (top of transmission housing) Mpi module (right side of ipu) Nca Pnk Red T16 (right side of ipu) Tan Under-dash fuse/relay box (under left end of dash)
1.8L 1.8L, Engine Performance Wiring Diagram (1 of 5) for Honda Civic Si 2012 List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 5) for Honda Civic Si 2012: 93 (lower left side of radiator) ect sensor 2 (right front of engine compt) a/c pressure sensor (right rear of engine compt) (under left end of dash) (under left side of vehicle) evap canister vent shut valve (under rear seats) A/c condenser fan relay A/t gear position indicator driving circuit A1 ig1 miss sol A10 A11 A12 a/c mg clutch rly a13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A3 f can-h A30 A31 A32 vsv A33 A34 eld A35 vcc5 A36 vcc4 A37 ptank A38 A39 A4 f can-l A40 fuel pmp rly cl- A41 A42 scs A43 A44 tw2 sensr A45 sg5 A46 sg4 A47 A48 dbw rly cl- A49 A7 fi main rly cl- A9 fi main rly out Air conditioning system App sensor (left rear of engine compt) Aps1 Aps2 Bk sw nc C232 Clutch sw Computer data lines system Control circuits Cooling fans system Cruise control system D28 Diode e Ecm/pcm (left side of engine compt) Eps control unit (behind right kick panel) Fan hi sig Fi sub rly cl- Ftp sensor Fuse 10a Fuse 15a Fuse 15a (a/t) Fuse 7.5a G503 (under left side of dash) Gauge control module (tach) Hot at all times Hot in on or start J/c c417 Mil ind Nep Pd snsr Pgm-fi sub- relay Pnk Red Rly ctrl S232 Sg6 Stp sw Transceiver f-can Under- dash fuse/ relay box Under- hood fuse/ relay box (left rear of engine compt) Vcc6 1.8L, Engine Performance Wiring Diagram (2 of 5) for Honda Civic Si 2012 List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 5) for Honda Civic Si 2012: 27 (a/t: left side of engine compt) (m/t: left rear of engine) (in top of fuel tank) fuel tank unit (thermal joint) s2 (thermal joint) s5 (under (under left side of dash) brake pedal position switch A/t clutch pressure control solenoid valve a (on transmission housing) A/t clutch pressure control solenoid valve b (on transmission housing) Driver's seat) Eld unit Evap canister purge valve (right rear of engine) Fuel pump Fuse 15a G101 G101 (a/t: left side of engine compt) (m/t: left rear of engine) G301 (under left front headlight assembly) G601 Hot at all times Iat sensor Ignition coil relay Imt actuator (right front of engine) J/c c404 Maf sensor Maf/iat sensor (left rear of engine compt) Map sensor (right rear side of engine) Output shaft (counter shaft) speed sensor (top of transmission housing) Under- hood fuse/ relay box (left rear of engine compt) 1.8L, Engine Performance Wiring Diagram (3 of 5) for Honda Civic Si 2012 List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 5) for Honda Civic Si 2012: 92 (a/t: left side of engine compt) (m/t: left rear of engine) (on transmission housing) (on transmission housing) atf temperature sensor (right rear of engine) ect sensor 1 (thermal joint) s2 (top front of engine) rocker arm oil control solenoid (top left rear of engine) egr valve & egr valve position sensor Atp fwd Atp rvs Atp2-1 Atpd Atpd3 Atpn Atpp Atpr B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 B38 B39 B40 B41 B42 B43 B44 B45 B46 B47 B48 B49 C401 E egr Ecm/pcm (left side of engine compt) Ect1 Egr l G101 J/c c407 (a/t) j/c c405 (m/t) Linear a Linear b Linear c Map (pb) Op2 sw Op3 sw Pc sol Pla Red S2 (thermal joint) S4 (thermal joint) Sg2 Sh a Sh d Shift solenoid So2 So2ht Svsm Svsp Tat f Transmission fluid pressure switch a (2nd clutch) (on transmission housing) Transmission fluid pressure switch b (3rd clutch) Valve a Valve b Valve c Valve d Vcc2 Vgm Vgp Vt sol 1.8L, Engine Performance Wiring Diagram (4 of 5) for Honda Civic Si 2012 List of elements for 1.8L, Engine Performance Wiring Diagram (4 of 5) for Honda Civic Si 2012: 45 (not used) (thermal joint) (thermal joint) s3 2-1 A/t clutch pressure control solenoid valve c (on transmission housing) A16 A17 A19 A20 A21 A22 A23 B15 B20 B21 C13 C16 C20 C25 C34 C35 C406 Ckp sensor (left side of engine) Cmp sensor (right rear of engine) Computer data lines system D10 D12 D19 Driver's micu Etcs control relay Fuse 15a Fuse 7.5a G101 (a/t: left side of engine compt) (m/t: left rear of engine) Hot in on or start Input shaft (main shaft) speed sensor (a/t) (on transmission housing) J/c c404 Line pressure solenoid valve a (left front of transmission) P13 Pgm-f1 main relay 1 Pgm-fi main relay 2 Pnk Red Starting/ charging system Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash) 1.8L, Engine Performance Wiring Diagram (5 of 5) for Honda Civic Si 2012 List of elements for 1.8L, Engine Performance Wiring Diagram (5 of 5) for Honda Civic Si 2012: 92 (a/t: left side of engine compt) (m/t: left rear of engine) (top of engine, above respective cylinders) injectors A/f sensor 1 (top left rear of engine) Afc1 Afht Afv1 Barometer sensor C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C402 C41 C42 C43 C44 C45 C46 C47 C48 C49 Crank Ecm/pcm (left side of engine compt) G101 G101 (a/t: left side of engine compt) (m/t: left rear of engine) Icm Ig1 (f/p) Ig101a Ig102a Ig103a Ig104a Ignition coils (top of respective cylinder) Inj1 Inj2 Inj3 Inj4 J/c c407 (a/t) j/c c405 (m/t) Joint) (thermal s2 Knock Knock sensor (top of engine) Ksgnd Lg2 Mtr 1 Mtr 2 Nca Pg1 Red Rocker arm oil control switch S3 (thermal joint) Secondary ho2s sensor 2 (left rear of engine, in exhaust) Sg1 Sg3 Sh b Shc So2sg Spark plug Tdc Thl1 Thl2 Throttle actuator Throttle body Vbdbw Vcc1 Vcc3 Vtm
2.4L 2.4L, Engine Performance Wiring Diagram (1 of 5) for Honda Civic Si 2012 List of elements for 2.4L, Engine Performance Wiring Diagram (1 of 5) for Honda Civic Si 2012: 92 (lower left side of radiator) ect sensor 2 (right front of engine compt) a/c pressure sensor (right rear of engine compt) (under left end of dash) (under left side of vehicle) (usa & canada) evap canister vent shut valve (under rear seats) A/c condenser fan relay A/t gear position indicator driving circuit A1 ig1 miss sol A10 A11 A12 a/c mg clutch rly a13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A3 f can-h A30 A31 A32 vsv A33 A34 eld A35 vcc5 A36 vcc4 A37 ptank A38 A39 A4 f can-l A40 fuel pmp rly cl- A41 A42 scs A43 A44 tw2 sensr A45 sg5 A46 sg4 A47 A48 dbw rly cl- A49 A7 fi main rly cl- A9 fi main rly out Air conditioning system App sensor (left rear of engine compt) Aps1 Aps2 Barometer sensor Bk sw nc C222 C232 Clutch sw Computer data lines system Control circuits Cooling fans system Cruise control system D28 Diode e Ecm/pcm (left side of engine compt) Eps control unit (behind right kick panel) Fan hi sig Fi sub rly cl- Ftp sensor Fuse 10a Fuse 15a Fuse 7.5a G503 (under left side of dash) Gauge control module (tach) Hot at all times J/c c420 Mil ind Nep Pd snsr Pgm-fi sub- relay Pnk Red Rly ctrl Sg6 Stp sw Transceiver f-can Under- dash fuse/ relay box Under- hood fuse/ relay box (left rear of engine compt) Vcc6 2.4L, Engine Performance Wiring Diagram (2 of 5) for Honda Civic Si 2012 List of elements for 2.4L, Engine Performance Wiring Diagram (2 of 5) for Honda Civic Si 2012: 30 (a/t: left side of engine compt) (m/t: left rear of engine) (thermal joint) s2 (thermal joint) s5 (under (under left side of dash) brake pedal position switch A/t clutch pressure control solenoid valve a (on transmission housing) A/t clutch pressure control solenoid valve b (on transmission housing) Driver's seat) Eld unit Evap canister puge valve (right rear of engine) Fuel pump Fuel tank unit Fuse 15a G101 G101 (a/t: left side of engine compt) (m/t: left rear of engine) G301 (under left front headlight assembly) G601 Hot at all times Iat sensor Ignition coil relay J/c c410 (left rear of engine compt) J/c c412 Maf sensor Maf/iat sensor (left rear of engine compt) Map sensor (right rear side of engine) Map sensor a (right rear side of engine) Output shaft (counter shaft) speed sensor (top of transmission housing) Pnk Red Under- hood fuse/ relay box (left rear of engine compt) 2.4L, Engine Performance Wiring Diagram (3 of 5) for Honda Civic Si 2012 List of elements for 2.4L, Engine Performance Wiring Diagram (3 of 5) for Honda Civic Si 2012: 87 (a/t: left side of engine compt) (m/t: left rear of engine) (on transmission housing) (on transmission housing) (a/t) atf temperature sensor (right rear of engine) ect sensor 1 (thermal joint) s2 Atp fwd Atp rvs Atp2-1 Atpd Atpd3 Atpn Atpp Atpr B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 B38 B39 B40 B41 B42 B43 B44 B45 B46 B47 B48 B49 C401 Ecm/pcm (left side of engine compt) G101 G101 (a/t: left side of engine compt) (m/t: left rear of engine) J/c c412 Linear a Linear b Linear c Map (pb) Op2 sw Op3 sw Pc sol Pla Pnk Red Rocker arm oil control solenoid S4 (thermal joint) Sg2 Sh a Sh d Shift solenoid So2 So2ht Tat f Transmission fluid pressure switch a (2nd clutch) (on transmission housing) Transmission fluid pressure switch b (3rd clutch) Valve a Valve b Valve c Valve d Vcc2 Vgm Vgp Vt sol in 2.4L, Engine Performance Wiring Diagram (4 of 5) for Honda Civic Si 2012 List of elements for 2.4L, Engine Performance Wiring Diagram (4 of 5) for Honda Civic Si 2012: 49 (not used) (thermal joint) (thermal joint) s3 2-1 A/t clutch pressure control solenoid valve c (on transmission housing) A12 A14 A15 A16 A17 A18 A20 A22 A23 B10 B12 B22 C13 C16 C20 C25 C34 C35 C406 C411 Ckp sensor (left side of engine) Cmp sensor b (right rear of engine) Computer data lines system D10 D12 D19 Driver's micu Etcs control relay Fuse 15a Fuse 7.5a G101 (a/t: left side of engine compt) (m/t: left rear of engine) Hot in on or start Input shaft (main shaft) speed sensor (on transmission housing) J/c c404 J/c c410 Line pressure solenoid valve a (left front of transmission) P13 Pgm-f1 main relay 1 Pgm-fi main relay 2 Pnk Red Starting/ charging system Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash)
EXTERIOR LIGHTS Backup Lamps Wiring Diagram, A/T Except Hybrid for Honda Civic Si 2012 List of elements for Backup Lamps Wiring Diagram, A/T Except Hybrid for Honda Civic Si 2012: 24 2 door 4 door A17 B21 B23 Back lt C236 C239 C406 D24 Diode b Diode c Driver's micu Fuse 5 7.5a G101 (left side of engine) compt) G701 (left rear of trunk) Hot in on or start J/c c404 Left backup light Reverse relay Right backup light S2 (thermal joint) Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash) Backup Lamps Wiring Diagram, A/T Hybrid for Honda Civic Si 2012 List of elements for Backup Lamps Wiring Diagram, A/T Hybrid for Honda Civic Si 2012: 19 B21 B25 C226 D24 Diode c Diode d Driver's micu Fuse 5 7.5a G101 (top left rear of engine) G701 (left rear of trunk) Hot in on or start J/c c402 Left backup light Pcm (left side of engine compt) Reverse relay Right backup light Tan Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash) Backup Lamps Wiring Diagram, M/T for Honda Civic Si 2012 List of elements for Backup Lamps Wiring Diagram, M/T for Honda Civic Si 2012: 25 2 door 2 door 4 door 4 door 4 door 2 door A16 A23 B15 B16 B21 B23 Back lt Backup light switch (on transaxle housing) C236 C239 C26 C36 Driver's micu Except si Fuse 5 7.5a G701 (left rear of trunk) Hot in on or start J/c c404 (except si) j/c c410 (si) Left backup light Right backup light Under-dash fuse/relay box (under left end of dash) Exterior Lamps Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Exterior Lamps Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 83 (not used) (right side of dash) (if equipped) auto light control unit +b backup +b haz 2 door 4 door Auto Auto lt sid Auto lt sig Auto lt sip B-can h B-can l B-can transceiver B12 B32 B35 C11 C12 C19 C236 C239 C33 C38 Combi gnd Combination light switch Computer data lines system Control circuits D11 D28 Driver's micu Fuse 7.5a G+ backup G201 (under right front headlight assembly) G301 (under left front headlight assembly) G501 (left end of dash) G503 (under left side of dash) G504 (right end of dash) G602 (under front passenger's seat) G701 (left rear of trunk) Gauge control module (speedo) Gauge control module (tach) Gnd H/l off sw H/l on sw Hazard sw Head Headlight switch Hot in on Hot in on or start Ig1 meter Ig2 day lt Indicator lights on K10 K11 L turn L turn sw Left Left front turn signal light Left rear turn signal light Left turn signal indicator Off Park Pnk Q16 R turn R turn sw Red Right Right front turn signal light Right rear turn signal light Right turn signal indicator S-gnd Small lt rly cl- Small lt sw Stop sw T13 T14 T36 T37 T38 T39 Turn signal switch Under-dash fuse/relay box (under left end of dash) Exterior Lamps Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Exterior Lamps Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 33 & brake light (top center of dash) automatic lighting/ sunlight sensor (under left side of dash) brake pedal position switch 2 door 2-door 4 door 4-door Automatic lighting sensor C236 C239 C601 Center junction box 1 Center junction box 2 Fuse 10a Fuse 15a Fuse 20a red G601 (under driver's seat) G701 (left rear of trunk) Hazard warning switch High mount brake light (w/ high mount brake light) High mount brake light (w/o high mount brake light) Hot at all times Interior light system Left rear side marker light (4-door) Left taillight License plate light Power distribution system Red Relay holder d Right rear side marker light (4-door) Right taillight & brake light Taillight relay Under-hood fuse/relay box (left rear of engine compt) Exterior Lamps Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Exterior Lamps Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 58 (right side of dash) auto light control unit (top center of windshield) automatic lighting/ sunlight sensor 5v regulator Auto Automatic lighting sensor B-can transceiver B12 B32 B35 C11 C12 C19 C226 C33 C38 Circuit 10v stabilizing Combination light switch Computer data lines system D11 D28 Dimming circuit Drive circuit indicator Driver's micu Fuse 7.5a G201 (under right headlight assembly) G301 (under left headlight assembly) G501 (left end of dash) G503 (left side of dash) G504 (right end of dash) G602 (under front passenger's seat) G701 (left rear of trunk) Gauge control module (speedo) Gauge control module (tach) Head Headlight switch Hot in on or start Indicator lights on K10 K11 Left Left front turn signal light Left rear turn signal light Left turn signal indicator Main circuit Off Park Pnk Q16 Red Right Right front turn signal light Right rear turn signal light Right turn signal indicator T13 T14 Tpms control unit (left end of dash) Turn signal switch Under-dash fuse/relay box (under left end of dash) Exterior Lamps Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Exterior Lamps Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 30 (behind instrument cluster) center junction box 1 (behind instrument cluster) center junction box 2 (right side of dash) handsfree link control unit (top of brake pedal assembly) brake pedal position switch A16 C203 C217 C226 Fuse 10a Fuse 15a Fuse 20a G502 (left side of dash) G504 (right end of dash) G601 (under driver's seat) G701 (left rear of trunk) Hazard warning switch High mount brake light Hot at all times Interior lights system J/c c301 (center of driver's door) Left power mirror Left taillight & brake light License plate light Multi-information display unit Red Relay control module (under-hood fuse/relay box) Right power mirror Right taillight & brake light Taillight relay Under-hood fuse/relay box (left rear of engine compt)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram, Except Hybrid (1 of 5) for Honda Civic Si 2012 List of elements for Ground Distribution Wiring Diagram, Except Hybrid (1 of 5) for Honda Civic Si 2012: 68 (a/t) a/t clutch pressure control solenoid valve a (a/t) a/t clutch pressure control solenoid valve b (a/t) a/t clutch pressure control solenoid valve c (a/t) line pressure solenoid valve a (a/t) transmission range switch (not used) (not used) i6 A18 A19 A20 A21 Alternator shield B10 B18 B19 B20 B21 Battery Battery sensor C15 C20 C204 C241 C406 C408 C411 Center j/b 1 Center junction box 1 Ckp sensor Cmp sensor Cmp sensor a Cmp sensor b Data link connector (dcl) Data link connector (dlc) Ecm/pcm Egr valve & egr valve position sensor Engine Eps control unit G1 (under battery tray) G101 (except si) (a/t: left side of engine compt) (m/t: left rear of engine) G101 (si) (a/t: left side of engine compt) (m/t: left rear of engine) G102 (si) (left front of engine) G2 (right rear of engine compt) G20 G202 (right front of engine compt) G3 (on battery) G402 (right end of dash) G403 (right kick panel) Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Immobilizer- keyless control unit J/c c404 J/c c410 (left rear of engine compt) Knock sensor shield Lg2 Pg1 Rocker arm oil control solenoid Rocker arm oil pressure switch S1 (thermal joint) S2 (thermal joint) S3 (thermal joint) Secondary ho2s (sensor 2) shield Steering gear box Transmission housing Vsa modulator- control unit Vtc oil control solenoid valve Ground Distribution Wiring Diagram, Except Hybrid (2 of 5) for Honda Civic Si 2012 List of elements for Ground Distribution Wiring Diagram, Except Hybrid (2 of 5) for Honda Civic Si 2012: 74 (2-door) (4-door) (canada) washer fluid level switch (except honda accessory) vsa off switch (except si) econ switch (handsfreelink) hfl- navigation voice control switch (honda accessory) vas off switch (if equipped) (if equipped) driver's seat heater switch (if equipped) front passengers seat heater switch (if equipped) handsfreelink control unit (if equipped) moonroof switch/interior light switch (if equipped) multi- information display unit (if equipped) right fog light (if equipped) security hood switch (if equipped) tpms control unit (left end of dash) (if equipped) under-dash relay holder (left rear of engine compt) under-hood fuse/relay box (m/t cruise (m/t) clutch interlock switch (under left end of dash) under-dash fuse/relay box A/c condenser fan motor A10 A21 Blower motor relay Brake fluid level switch C13 C214 C227 C414 Cable reel Center ambient light Console accessory power socket relay Control) clutch pedal position switch Data link connector (dlc) Diode a Driver ambient light Driver's micu Eld unit (if equipped) Except honda accessory Fan control relay Front passenger's ambient light G201 (under right front headlight assembly) G301 (under left front headlight assembly) G302 (front of engine compt) G401 (left kick panel) G501 (left end of dash) G503 (under left side of dash) Gauge control module (speedo) Gauge control module (tach) Honda accessory Horn switch Ignition key switch Left fog light Left front turn signal light Left headlight (high) Left headlight (low) Nca Power transistor Relay holder a Relay holder e Right front turn signal light Right headlight (high) Right headlight (low) S-gnd Steering angle sensor Steering wheel Vsa off switch connector W/ cruise control W/o cruise control Window washer motor Windshield Windshield wiper motor Wiper intermittent relay Ground Distribution Wiring Diagram, Except Hybrid (3 of 5) for Honda Civic Si 2012 List of elements for Ground Distribution Wiring Diagram, Except Hybrid (3 of 5) for Honda Civic Si 2012: 37 (2-door power mirrors & defoggers) left power mirror (2-door power mirrors) driver's door lock actuator/ knob switch/key cylinder switch (2-door power mirrors) power mirror switch (2-door) (2-door) c227 (4-door power mirrors) driver's door lock actuator/ knob switch/key cylinder switch (4-door power mirrors) left power mirror (4-door power mirrors) power mirror switch (4-door) (4-door) c214 (if equipped) moonroof control unit/ motor (not used) A10 C203 C215 C218 C228 C302 Front accessory power socket relay G502 (left side of dash) Gauge control module (tach) Information display unit J/c c301 (front of driver's door) Lock relay Multi- information display unit Nca P20 Power window master switch Tailgate actuator relay Under-dash fuse/relay box (under left end of dash) Unlock relay Unlock relay (dr) W/ multi-information display W/ power mirror defoggers W/o multi-information display W/o power mirror defoggers Windshield washer main relay Ground Distribution Wiring Diagram, Except Hybrid (4 of 5) for Honda Civic Si 2012 List of elements for Ground Distribution Wiring Diagram, Except Hybrid (4 of 5) for Honda Civic Si 2012: 42 (2-door high mount brake light (led)) high mount brake light (2-door) (4-door high mount brake light (led)) high mount brake light (4-door) (4-door) left rear side marker light (4-door) right rear side marker light (if equipped) console accessory power socket (if equipped) driver's power seat adjustment switch (seat heaters) driver's seat heater (seat heaters) driver's seat heater relay (high) (seat heaters) driver's seat heater relay (low) (seat heaters) front passenger's seat heater (seat heaters) front passenger's seat heater relay (high) (seat heaters) front passenger's seat heater relay (low) (si) (w/o high mount brake light) high mount brake light A36 A37 C233 C234 C235 C238 C601 Driver's power seat Driver's seat heater relay holder (seat heaters) (under driver's seat) Front passenger's seat heater relay holder (seat heaters) (under front passenger's seat) Fuel tank unit G506 (front of center console) G601 (under driver's seat) G701 (left rear of trunk) G801 (right "c" pillar) Left backup light Left rear turn signal light Left taillight & brake light License plate light Nca Rear window defogger Right backup light Right rear turn signal light Right taillight & brake light Srs unit Trunk lid latch switch/ trunk release actuator Ground Distribution Wiring Diagram, Except Hybrid (5 of 5) for Honda Civic Si 2012 List of elements for Ground Distribution Wiring Diagram, Except Hybrid (5 of 5) for Honda Civic Si 2012: 42 (2-door) (4-door security) (4-door) (a/t) a/t gear position indicator panel light/park-pin switch (if equipped) audio- navigation unit (if equipped) auto light control unit (if equipped) front passenger's door lock actuator/ knob switch (if equipped) right power mirror (power door locks) (premium audio) stereo amplifier (under left end of dash) under-dash fuse/relay box (w/ navigation) audio- navigation unit (w/o navigation) audio unit (w/ navigation) rds-tmc antenna B20 B32 C202 C217 C230 C231 C234 C235 C238 C501 Climate control unit Driver's micu Driver's power seat Driver's seat belt buckle switch Driver's seat position sensor Front accessory power socket Front passenger's power window switch Front passenger's seat belt buckle switch G504 (right end of dash) G505 (right center of dash) G602 (under front passenger's seat) G901 (top of left "c" pillar) Left rear door lock actuator/ knob switch Nca Ods unit Right rear door lock actuator/ knob switch S-gnd Seat heaters w/o driver's power seat W/o seat heaters Ground Distribution Wiring Diagram, Hybrid (1 of 4) for Honda Civic Si 2012 List of elements for Ground Distribution Wiring Diagram, Hybrid (1 of 4) for Honda Civic Si 2012: 66 A10 B10 Battery Battery sensor Battery sensor shield C15 C20 C202 C205 C217 C401 C403 Center junction box 1 Ckp sensor Cmp sensor Cvt clutch pressure control solenoid valve Data link connector (dlc) Dc-dc converter Driver's door lock actuator/ knob switch/key cylinder switch Egr valve/ egr valve position sensor Engine Eps control unit Exhaust side ignition coil 1 Exhaust side ignition coil 2 Exhaust side ignition coil 3 Exhaust side ignition coil 4 Front accessory power socket relay G1 (left front corner of engine compt) G101 (top left rear of engine) G2 (right rear of engine compt) G202 (right front of engine compt) G3 (on battery) G403 (right kick panel) G5 (right front of battery engine compt) G502 (left side of dash) Gauge control module (tach) Immobilizer- keyless control unit Intake side ignition coil 1 Intake side ignition coil 2 Intake side ignition coil 3 Intake side ignition coil 4 J/c c301 (center of driver's door) J/c c402 Knock sensor shield Left power mirror Lock relay Multi- information display unit P20 Pcm Power mirror switch Power unit Power window master switch Rocker arm oil control solenoid a Rocker arm oil control solenoid b Secondary ho2s (sensor 2) shield Servo unit Tailgate actuator relay Transmission housing Transmission range switch Under-dash fuse/relay box (under left end of dash) Unlock relay Unlock relay (dr) Vsa modulator control unit W/ navigation W/o navigation Windshield washer main relay Ground Distribution Wiring Diagram, Hybrid (2 of 4) for Honda Civic Si 2012 List of elements for Ground Distribution Wiring Diagram, Hybrid (2 of 4) for Honda Civic Si 2012: 52 (left rear of engine compt) under-hood fuse/relay box (under left end of dash) under-dash fuse/relay box A/c condenser fan motor A21 Auxiliary electric water pump Blower motor relay Brake fluid level switch C13 C231 C408 Cable reel Console accessory power socket relay Data link connector (dlc) Diode e Driver's micu Driver's seat heater switch Econ switch Eld unit Fan control relay Front passengers seat heater switch G201 (under right headlight assembly) G301 (under left headlight assembly) G302 (right front of engine compt) G401 (left kick panel) G402 (right kick panel) G501 (left end of dash) G503 (left side of dash) Gauge control module (speedo) Gauge control module (tach) Handsfreelink control unit Hfl- navigation voice control switch Ignition key switch Left front turn signal light Left headlight (high) Left headlight (low) Motor rotor position sensor shield Multi- information display unit Nca Power transistor Relay control module Right front turn signal light Right headlight (high) Right headlight (low) S-gnd Security hood switch Steering angle sensor Steering gear box T7 (in steering wheel) Tpms control unit Vsa off switch Windshield washer motor Windshield wiper motor Ground Distribution Wiring Diagram, Hybrid (3 of 4) for Honda Civic Si 2012 List of elements for Ground Distribution Wiring Diagram, Hybrid (3 of 4) for Honda Civic Si 2012: 36 A36 A37 Audio- navigation unit C223 C224 C225 C229 C501 Console accessory power socket Cvt driven pulley pressure control solenoid valve Driver's seat heater Driver's seat heater relay (high) Driver's seat heater relay (low) Front passenger's seat heater Front passenger's seat heater relay (high) Front passenger's seat heater relay (low) Fuel tank unit G506 (under front of center console) G601 (under driver's seat) G701 (left rear of trunk) G801 (base of right "c" pillar) G902 (rear of transmission) G903 (left "c" pillar) High mount brake light Left backup light Left rear turn signal light Left taillight & brake light License plate light Nca Rds-tmc antenna Rear window defogger Right backup light Right rear turn signal light Right taillight & brake light Srs unit Trunk lid latch switch/ trunk release actuator Ground Distribution Wiring Diagram, Hybrid (4 of 4) for Honda Civic Si 2012 List of elements for Ground Distribution Wiring Diagram, Hybrid (4 of 4) for Honda Civic Si 2012: 48 (under left end of dash) under-dash fuse/relay box (w/ navigation) (w/o navigation) A/c compressor driver A/t gear position indicator panel light/park-pin switch A32 Audio unit (audio- navigation unit) Audio- navigation unit Auto light control unit B20 B32 Battery module C203 C220 C221 C224 C225 C601 Climate control unit Driver's micu Driver's seat belt buckle switch Driver's seat position sensor Front accessory power socket Front passenger's door lock actuator/ knob switch Front passenger's power window switch Front passenger's seat belt buckle switch G504 (right end of dash) G505 (center of dash) G602 (under front passenger's seat) G901 (base of right "c" pillar) Ipu fan module J/c c602 (right side of ipu) J/c c604 (center of ipu) Left rear door lock actuator/ knob switch Mcm Motor rotor position sensor shield Mpi module Nca Ods unit/ opds unit Right power mirror Right rear door lock actuator/ knob switch T16 (right side of ipu) V-sensor1 V-sensor2 V-sensor3 V-sensor4 W/ navigation W/o navigation
HEADLIGHTS Headlights Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Headlights Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 51 (under left front headlight assembly) (under right front headlight assembly) 2-door 4-door B32 Body controller area network transceiver C14 C18 C216 C220 C232 Combination light switch Computer data lines system Connector optional Control circuit D20 D28 D29 Dimmer/ flash-to- pass switch 0) low 1) high 2) pass Driver's micu Drl ind Dx, lx, hf, ex & dx-ac Ex, ex: navigation, ex-l, ex-l: navigation, si & si: navigation Fog ind Fog light switch Front fog light relay (except honda accessory) Front fog light relay (honda accessory) (in under-hood fuse/relay box) Fuse 20a Fuse 7.5a G201 G201 (under right front headlight assembly) G301 G602 (under front passenger's seat) Gauge control module Headlight switch 0) off 1) park 2) auto 3) head High beam ind Hot at all times Hot in on or start Left fog light Lights on ind Parking brake switch (at base of parking brake lever) Pnk Q16 Red Relay holder c Right fog light T11 T12 Under-dash fuse/relay box (under left end of dash) Under-dash fuse/relay box connector f Under-hood fuse/relay box (left rear of engine compt) Headlights Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Headlights Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 21 (top center of dash) Auto light control unit (if equipped) (right side of dash) Automatic lighting/ sunlight sensor Computer data lines system Fuse 1-6 100a Fuse 10a Fuse 20a Fuse a4 10a Fuse a6 10a G201 (under right front headlight assembly) G301 (under left front headlight assembly) G504 (right end of dash) Headlight low beam relay Hot at all times Left headlight (high) Left headlight (low) Pnk Red Right headlight (high) Right headlight (low) Under-hood fuse/relay box (left rear of engine compt) Headlights Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Headlights Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 30 10v stabilizer circuit 5v regulator Body controller area network transceiver C14 C18 C218 Combination light switch Computer data lines system D28 D29 Dimmer/ flash-to- pass switch 0) low 1) high 2) pass Dimming circuit Driver's micu Fog ind Fuse 7.5a Gauge control module Headlight switch 0) off 1) park 2) auto 3) head High beam ind Hot in on or start Indicator drive circuit Light control ind Lights on ind Main circuit Parking brake switch (at base of park lever) Pnk Q16 Red T11 T12 Under-dash fuse/relay box (under left end of dash) Headlights Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Headlights Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 21 (top center of windshield) Auto light control unit (except dx, lx & ex) (right side of dash) Automatic lighting/ sunlight sensor Computer data lines system Fuse 100a Fuse 10a Fuse a29 10a G201 (under right headlight assembly) G301 (under left headlight assembly) G504 (right end of dash) Hot at all times Left headlight (high) Left headlight (low) Left headlight low beam relay Pnk Red Relay control module (in under-hood fuse/relay box) Right headlight (high) Right headlight (low) Right headlight low beam relay Under-hood fuse/relay box (left rear of engine compt)
HORN Horn Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Horn Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 27 A10 C13 C14 C37 Cable reel (on steering column) Driver's micu Fuse 10a G301 (under left front headlight assembly) G302 (front of engine compt) G503 (under left side of dash) Horn Horn (high) (behind left side of front grille) Horn (low) (behind right side of front grille) Horn relay Horn switch Hot at all times Nca Pnk Q10 Relay holder c Rly Steering wheel Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) W/ cruise control W/ dual horn W/o cruise control Horn Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Horn Wiring Diagram, Hybrid for Honda Civic Si 2012: 13 C14 C37 Cable reel (top of steering column) Driver's micu Fuse 10a Horn (low) (behind right side of front grille) Horn relay Horn switch Hot at all times Pnk Q10 Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Instrument Cluster Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 66 (si) 2 door 4 door Abs ind Anti-lock brakes system B-can transceiver C204 C205 C216 C219 C220 Computer data lines system Control circuits Cruise control system D28 Ecm/pcm (left side of engine compt) Exterior lights system F can-h F can-l F-can transceiver Fuel gauge (lcd) Fuel gauge sending unit Fuel tank unit (in top of fuel tank) Fuse 10a Fuse 7.5a G502 (left side of dash) G503 (under left side of dash) Gauge control module (speedo) Gauge control module (tach) Hot at all times Hot in acc or on Hot in on or start I-vtec ind Instant fuel economy gauge (lcd) Interior lights system Lcd back light Lcd brightness control Lcd brightness control lcd brightness control lcd brightness control lcd brightness control lcd brightness control Left turn signal ind Low fuel ind Mil ind Op sw Outside air temperature sensor (manual a/c & if equipped) (behind left side of front bumper) Parking brake & brake system ind Parking brake switch (at base of parking brake lever) Pnk Q16 Red Rev ind 1 Rev ind 2 Rev ind 3 Rev ind 4 Rev ind 5 Rev ind 6 Right turn signal ind Security ind Speedometer (lcd) Srs ind System message ind To cruise control ind (diagram 2 of 2) To lcd brightness control (diagram 2 of 2) To tpms ind (diagram 2 of 2) Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Vsa off ind Vsa system ind Instrument Cluster Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Instrument Cluster Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 74 (+) (-) (not used) (w/o multi-information display) information display unit Acc Amplifier B-can h B-can l B29 B33 B40 B44 Back up Beeper Brake fluid level switch (on brake master cylinder reservoir) Brightening switch C204 Charging system ind Climate control module (manual a/c & except si) Clock mph-km/h button Clock mph-km/h knob Computer data lines system Control circuits Coolant high temperature ind Coolant low temperature ind Cruise control ind Cruise control main switch ind Dimming switch Door open ind Dr sw as Dr sw dr Dr sw ra Dr sw rd Driver's door switch (in left "b" pillar) Driver's micu Drl ind Eco ind End of dash) Eps ind Fog light ind From c mil ind (diagram 1 of 2) From pin 1 (diagram 1 of 2) Front passenger's door switch (in right "b" pillar) Fuse 5 7.5a G401 (left kick panel) G502 (left side of dash) Gauge control module (tach) Gnd High beam ind Hot in on or start Ig1 Ig1 mtr Illumination select/reset knob Immobilizer system ind Lcd back light Lcd brightness control lcd brightness control lcd brightness control Left rear door switch (4-door) (in left "c" pillar) Lights on ind Low oil pressure ind Low tire pressure ind Maintenance required ind N11 Oil pressure switch (near oil filter) Pnk Right rear door switch (4-door) (in right "c" pillar) Seat belt reminder ind Sel/reset switch Side air bag cut-off ind Tachometer Tpms ind Trunk open ind Under-dash fuse/relay box (under left Washer fluid level ind Washer fluid level switch (canada) (in washer fluid reservoir tank) Instrument Cluster Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Instrument Cluster Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 63 10v stabilizing circuit 5v control circuit 5v on/off 5v regulator Amp Anti-lock brakes system Auto stop ind B-can h B-can l B-can transceiver Blinking circuit C218 Computer data lines system Cruise control ind Cruise control system Cruise main ind Dimming circuit Eco ind Exterior lights system F-can h F-can l F-can transceiver Front fog light ind Fuel display Fuse 10a G502 (left side of dash) G503 (left side of dash) Gauge control module (speedo) Gauge control module (tach) Hidh beam ind Hot at all times Iilumination control & dimming circuit for ambient (green) Iilumination control & dimming circuit for dial face & scale (white) Iilumination control & dimming circuit for fuel lcd back light (white) Iilumination control & dimming circuit for gradation (white) Iilumination control & dimming circuit for instant fuel lcd back light (white) Iilumination control & dimming circuit for pointer (white) Iilumination control & dimming circuit for sp lcd back light (white) Immobilizer ind Indicator drive circuit Instant fuel display Interior lights system Left turn signal ind Lights on ind Low fuel ind Low temperature ind Main circuit Message ind Oil pressure switch (near oil filter) Parking brake switch (at base of park lever) Pcm (left side of engine compt) Pnk Red Right turn signal ind Security ind Speaker Speedo display Tan To illumination encoder (diagram 2 of 2) To mil ind (diagram 2 of 2) To park led indiactor (diagram 2 of 2) Under-hood fuse/relay box (left rear of engine compt) Warning drive circuit Instrument Cluster Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Instrument Cluster Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 57 5v on/ off A/t gear position indicator driving circuit Abs ind B29 B33 B34 B40 Brake fluid level switch (on brake master cylinder reservoir) Brake ind Brake system ind C204 C205 C229 Charging system ind Clock adj Clock sw Computer data lines system D28 Door ind Driver's door switch (on driver's "b" pillar) Driver's micu Eps ind Fail-safe circuit Forced turning- off circuit Forced turning- on circuit From auto stop ind (diagram 1 of 2) From iilumination control & b dimming circuit (diagram 1 of 2) From pin 17 (diagram 1 of 2) Front passenger's door switch (on front passenger's "b" pillar) Fuel tank unit (top of fuel tank) Fuse 5 7.5a G401 (left kick panel) Gauge control module (tach) High temperature ind Hot in on or start Ill + Ill - Illumination encoder Ima system ind Indicator drive circuit Left rear door switch (on left "c" pillar) Low oil pressure ind Low tire pressure ind Main circuit Mil ind Pnk Right rear door switch (on right "c" pillar) Seat belt reminder ind Side air bag cut-off ind Srs ind Tachometer Trip reset Trunk ind Under-dash fuse/relay box (under left end of dash) Vsa ind Vsa off ind W/o navigation
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Courtesy Lamps Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 51 (left rear "c" pillar) (not used) b29 (right rear "c" pillar) (trunk release actuator: middle of trunk lid) trunk lid latch switch/trunk release actuator 2-door 4-door As dr sw B22 B23 B32 B33 B34 B40 C214 C227 C236 C239 Can h Can l Ceiling light Computer data lines system D18 Dd rr sw Door Dr sw Driver's door switch (in left "b" pillar) Driver's micu Front individual map lights Front passengers door switch (in right "b" pillar) Fuse 7.5a G602 (under front passenger's seat) G701 (left rear of trunk) Hot at all times Ignition key switch Int light- Interior light switch Key lt- Left rear door switch (4-door) Moonroof switch/ interior light switch N13 Off P12 Pnk Ra dr sw Right rear door switch (4-door) S-gnd Trunk lid latch switch Trunk light Trunk sw Under-dash fuse/ relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Courtesy Lamps Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Courtesy Lamps Wiring Diagram, Hybrid for Honda Civic Si 2012: 33 (on driver's "b" pillar) B22 B23 B29 B33 B34 B40 C216 C226 Ceiling light Computer data lines system D18 Door Driver's door switch Driver's micu Front individual map lights Front passengers door switch (on front passengers "b" pillar) Fuse 20a Fuse 7.5a G502 (left side of dash) G701 (left rear of trunk) Hot at all times Left rear door switch (on left rear "c" pillar) N13 Off P20 Pnk Right rear door switch (on right rear "c" pillar) Tailgate actuator relay Trunk lid latch switch/trunk release actuator (trunk release actuator: middle of trunk lid) Trunk light Under-dash fuse/ relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Entry Light Timer Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Entry Light Timer Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 64 (if equipped) front individual map lights (not used) (w/ power door locks) driver's door lock actuator/knob switch/ key cylinder switch +b bach up 2 door 4 door As door sw B-can h B-can l B29 B32 B33 B34 B40 C214 C215 C227 C228 Ceiling light Computer data lines system D18 D28 Door Door lock knob Dr door sw Dr key cyl lock Dr key cyl unlock Driver's door key cylinder switch Driver's door switch (in left "b" pillar) Front passenger's door switch (in right "b" pillar) Fuse 10a Fuse 7.5a G501 (left end of dash) G502 (left side of dash) G503 (under left side of dash) G602 (under front passenger's seat) Hot at all times Hot in on or start Ig1 meter Ignition key light Ignition key switch Interior light switch Intr light- Key Key lt- Key sw Left rear door switch (4 door) (in left "c" pillar) Lock Micu Moonroof switch/ interior light switch (w/ moon roof) N11 N13 Off P11 P12 Pnk Ra door sw Rd door sw Right rear door switch (4 door) (in right "c" pillar) S-gnd Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Unlock X10 Entry Light Timer Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Entry Light Timer Wiring Diagram, Hybrid for Honda Civic Si 2012: 37 5v regulator B can transceiver B29 B33 B34 B40 Blinking circuit C216 Ceiling light Computer data lines system Courtesy lamps circuit D18 D28 Door Driver's door switch (on driver "b" pillar) Driver's micu Front passenger's door switch (on front passenger "b" pillar) Fuse 10a Fuse 7.5a G503 (left side of dash) Gauge control module (speedo) Guage control module (tach) Hot at all times Hot in on or start Ignition key light Ignition key switch Left rear door switch (on left "c" pillar) Main circuit N13 Off P11 P12 Pnk Right rear door switch (on right "c" pillar) Security ind Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Instrument Illumination Wiring Diagram, Except Hybrid (1 of 3) for Honda Civic Si 2012 List of elements for Instrument Illumination Wiring Diagram, Except Hybrid (1 of 3) for Honda Civic Si 2012: 47 +b back up Auto light control unit (if equipped) (right side of dash) B-can h B-can l B-can transceiver B27 B32 Brightening switch C12 C19 Combi gnd Combination light switch Computer data lines system Control circuits D28 Dimming switch Driver's micu Fuse 10a Fuse 20a Fuse 7.5a G501 (left end of dash) G502 (left side of dash) G503 (under left side of dash) G602 (under front passenger's seat) Gauge control module (tach) H/l off sw H/l on sw Head Headlight switch Hot at all times Hot in on Hot in on or start Ig1 Ig2 day lt Illumination select/reset button Off Park Pnk Red Relay holder d S-gnd Sel/ reset button Small lt rly cl- Small lt sw Taillight relay Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Instrument Illumination Wiring Diagram, Except Hybrid (2 of 3) for Honda Civic Si 2012 List of elements for Instrument Illumination Wiring Diagram, Except Hybrid (2 of 3) for Honda Civic Si 2012: 26 (2-door) (4-door) (a/t) a/t gear position indicator panel light/park-pin switch (except si) econ switch (under center console) 2-door 4-door A/t gear position indicator panel light Ambient light in-line fuse Audio unit C203 C216 C218 C220 red C302 Center junction box 1 Front passenger's air bag cut-off indicator Hazard warning switch Nca Power mirror switch (if equipped) Red Vsa off switch connector Vsa off switch Vsa off switch (honda accessory) W/ moonroof W/o multi- information display Instrument Illumination Wiring Diagram, Except Hybrid (3 of 3) for Honda Civic Si 2012 List of elements for Instrument Illumination Wiring Diagram, Except Hybrid (3 of 3) for Honda Civic Si 2012: 28 (2-door) (4-door) (not used) A10 Ambient light switch (honda accessory) Audio remote/ multi- inform- ation display switch Automatic a/c C203 C214 C218 C227 Cable reel (on steering column) Center ambient light Center junction box 2 Climate control unit Cruise control combination switch Driver's ambient light Driver's seat heater switch (if equipped) Front passenger's ambient light Front passenger's seat heater switch (if equipped) G401 (left kick panel) Hfl-navigation voice control switch (if equipped) Manual a/c Moonroof switch/interior light switch Power window master switch Red Steering wheel (w/ mult- information display) Vsa off switch connector Instrument Illumination Wiring Diagram, Hybrid (1 of 3) for Honda Civic Si 2012 List of elements for Instrument Illumination Wiring Diagram, Hybrid (1 of 3) for Honda Civic Si 2012: 28 Audio light control unit B-can transceiver B27 C12 C19 Combination light switch Computer data lines system D28 Driver's micu Fuse 10a Fuse 20a Fuse 7.5a G502 (left side of dash) Gauge control module (speedo) Gauge control module (tach) Head Hot at all times Hot in on or start Illumination control Main circuits Off Park Pnk Red Relay control module (in under-hood fuse/relay box) Taillight relay Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Instrument Illumination Wiring Diagram, Hybrid (2 of 3) for Honda Civic Si 2012 List of elements for Instrument Illumination Wiring Diagram, Hybrid (2 of 3) for Honda Civic Si 2012: 11 (park pin switch: under center console) A/t gear position indicator panel light/park-pin switch C202 C218 Center junction box 1 (behind instrument cluster) Econ switch Front passenger's airbag cutoff indicator Hazard warning switch Power mirror switch Red Vsa off switch Instrument Illumination Wiring Diagram, Hybrid (3 of 3) for Honda Civic Si 2012 List of elements for Instrument Illumination Wiring Diagram, Hybrid (3 of 3) for Honda Civic Si 2012: 13 A10 Audio remote/ multi- inform- ation display switch C202 Cable reel (top of steering column) Center junction box 2 (w/ navigation) (behind instrument cluster) Climate control unit Cruise control/ speed limiter switch Driver's seat heater switch (w/ navigation) Front passenger's seat heater switch (w/ navigation) Hfl-navigation voice control switch Power window master switch Red W/ navigation
NAVIGATION Hands Free Module Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Hands Free Module Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 67 (not used) (under left side of dash) g503 +b backup 2-door 4-door Acc Audio remote/multi-information display switch C13 C17 C18 C19 C20 C214 C227 Cable reel (on steering column) Center junction box 1 Center junction box 2 Computer data lines system D28 Down switch channel Down switch volume Exterior lights system Fuse 10a Fuse 7.5a G503 (under left side of dash) Ga audio l + Ga audio l - Ga audio r + Ga audio r - Ga audio sh Ga bus + Ga bus - Ga bus sh Gnd Handsfreelink control unit (right side of dash) Hfl-navigation voice control switch Hft/navi Hot at all times Hot in acc or on Interior lights system Mic + Mic - Mic sh Mic+ Mic- Microphone (in roof console) Mode switch On & off hook Pnk Q16 Red Remote sw Steering wheel Switch Switch back Switch info Switch menu Switch talk Telem sig + Telem sig - Telem sig sh Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Up switch channel Up switch volume W/ moonroof W/o moonroof Hands Free Module Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Hands Free Module Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 69 (4-door) (2-door) (lower center of dash) (4-door) j/c c210 (2-door) j/c c224 (lower center of dash) (4-door) j/c c212 (2-door) j/c c222 (right side of trunk) (if equipped) xm receiver +b backup A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 Audio remote sw Audio-navigation unit B can-h B can-l B11 B12 B13 C11 C12 C216 c220 C701 Computer data lines system E13 G502 (left side of dash) G503 (under left side of dash) Ga audio l + Ga audio l - Ga audio r + Ga audio r - Ga audio sh Ga bus + Ga bus - Ga bus sh Ga sys on Gnd Info sw Multi-information display unit Nca Pnk Red Remote sw gnd Telem sig + Telem sig - Telem sig sh Usb data + Usb data - Usb gnd Usb port a Usb sh Usb vbus W/o xm radio Hands Free Module Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Hands Free Module Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 27 (left side of dash) g503 C20 C216 Cable reel (top of steering column) Center junction box 1 (behind instrument cluster) Center junction box 2 (behind instrument cluster) Computer data lines system D28 Exterior lights system Fuse 10a Fuse 7.5a Handsfreelink control unit (right side of dash) Hfl-navigation voice control switch Hot at all times Hot in acc or on Mic+ Mic- Microphone (in roof console) Off hook switch On hook/back switch Pnk Q16 Red T7 (in steering wheel) Talk switch Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Hands Free Module Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Hands Free Module Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 33 (center of dash) j/c c210 (center of dash) j/c c212 (right side of trunk) xm receiver A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 Audio-navigation unit B11 B12 B13 C11 C12 C218 Computer data lines system E13 Multi-information display unit Pnk Red Navigation Wiring Diagram, Base Except Hybrid (1 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Base Except Hybrid (1 of 4) for Honda Civic Si 2012: 91 (left side of engine compt) ecm/pcm (pins :b11 to b19 not used) (pins :b14 to b19 not used) (pins :b3 to b8 not used) (right center of dash) g505 (top of left "c" pillar) +b back up A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A26 Acc Am/fm antenna Am/fm in Audio navigation unit B10 B11 B12 B13 B20 Back lt C10 C11 C12 C204 C501 Center junction box 1 Center junction box 2 Computer data lines system D28 Driver's micu F can-h F can-l Fl spkr + Fl spkr - Fuse 10a Fuse 19 7.5a G504 (right end of dash) G901 Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga gnd Ga sys on Gnd Hot at all times Hot in on or acc K line Navigation system Nca Pnk Q16 Rds-tmc antenna Rear window Red Rf spkr + Rf spkr - Rl spkr + Rl spkr - Rr spkr + Rr spkr - Scty radio sw Scty sw Sh (am/fm) Sh (tmc) Swd +b Telm sig + Telm sig - Telm sig sh Tmc in Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Vsp Navigation Wiring Diagram, Base Except Hybrid (2 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Base Except Hybrid (2 of 4) for Honda Civic Si 2012: 28 2-door 4-door Aux det Aux gnd Aux lch Aux rch Aux sig gnd Auxiliary jack C101 C202 C205 C214 C215 C216 C217 C219 C220 C227 C228 Driver's door speaker Front passenger's door speaker J/c 211 (4-door) j/c 223 (2-door) (upper center of dash) Left rear speaker Left tweeter Pnk Red Right rear speaker Right tweeter Navigation Wiring Diagram, Base Except Hybrid (3 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Base Except Hybrid (3 of 4) for Honda Civic Si 2012: 75 +b back up 2-door 4-door A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 Audio l+ Audio l- Audio r+ Audio r- Audio remote sw B can-h B can-l C216 C220 Computer Computer data Computer data lines system Data lines system G502 (left side of dash) G503 (under left side of dash) Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga bus+ Ga bus- Ga gnd Ga sys on Gnd Gy sys on Hands freelink control unit (right side of dash) Info sw J/c c210 (4-door) j/c 224 (2-door) (lower center of dash) J/c c212 (4-door) j/c 222 (2-door) (lower center of dash) Lines system Multi information display unit Nca Pnk Red Remote sw gnd Sat/ter Sat/ter sh Usb data + Usb data - Usb gnd Usb sh Usb vbus Xm antenna Xm receiver (right side of trunk) Navigation Wiring Diagram, Base Except Hybrid (4 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Base Except Hybrid (4 of 4) for Honda Civic Si 2012: 49 (not used) Audio navigation unit Audio remote/multi information display switch Aux det Aux lch Aux rch Aux sh gnd B can-h B can-l C17 C18 C19 C701 Cable reel (on steering column) Channel down switch Channel up switch Computer data lines system Duet sh E10 E11 E12 E13 E14 E15 E16 Gps antenna Gps sig Info switch Interior lights system Menu switch Navigation system Nca Pnk Red Sh gnd Source switch Steering wheel Telm sig Telm sig sh Telm sig- Usb data + Usb data - Usb gnd Usb port a Usb port b Usb sh Usb vbus Volume down switch Volume up switch Navigation Wiring Diagram, Base Hybrid (1 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Base Hybrid (1 of 4) for Honda Civic Si 2012: 60 (behind instrument cluster) center junction box 1 (behind instrument cluster) center junction box 2 (center of dash) g505 (left side of engine compt) ecm/pcm (pins :b11 to b19 not used) (pins :b14 to b19 not used) (pins :b3 to b8 not used) A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A26 Am/fm & xm antenna Amplifier amp Audio navigation unit B10 B11 B12 B13 B20 C10 C11 C12 C204 C218 C228 C501 C502 Center junction box 1 (behind instrument cluster) Center junction box 2 (behind instrument cluster) Computer data lines system D28 Driver's micu Fuse 10a Fuse 19 7.5a G504 (right end of dash) G903 (left "c" pillar) Hot at all times Hot in on or acc Lna Mcm (right rear of ipu) Navigation system Nca Pnk Q16 Rds-tmc antenna Red Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Navigation Wiring Diagram, Base Hybrid (2 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Base Hybrid (2 of 4) for Honda Civic Si 2012: 17 Auxiliary jack C101 C203 C204 C216 C217 C218 Driver's door speaker Front passenger's door speaker J/c 211 (center of dash) Left rear speaker Left tweeter Nca Pnk Red Right rear speaker Right tweeter Navigation Wiring Diagram, Base Hybrid (3 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Base Hybrid (3 of 4) for Honda Civic Si 2012: 44 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 C218 Computer Computer data Computer data lines system Data lines system G502 (left side of dash) G503 (left side of dash) Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Hands freelink control unit (right side of dash) J/c c210 (center of dash) J/c c212 (center of dash) Lines system Multi information display unit Nca Pnk Red Xm receiver (right side of trunk) Navigation Wiring Diagram, Base Hybrid (4 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Base Hybrid (4 of 4) for Honda Civic Si 2012: 28 Audio navigation unit Audio remote/multi information display switch C17 C18 C19 C701 Cable reel (top of steering column) Channel down switch Channel up switch Computer data lines system E10 E11 E12 E13 E14 E15 E16 Gps antenna Info switch Menu switch Navigation system Nca Pnk Source switch Usb port a Usb port b Volume down switch Volume up switch Navigation Wiring Diagram, Premium (1 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Premium (1 of 4) for Honda Civic Si 2012: 97 (left rear of engine compt) ecm/pcm (pins :b11 to b19 not used) (pins :b14 to b19 not used) (pins :b3 to b8 not used) (right center of dash) g505 +b back up A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A26 Acc Am/fm antenna Am/fm in Audio navigation unit B10 B11 B12 B13 B20 Back lt C10 C11 C12 C204 C501 Can h Can l Center junction box 1 Center junction box 2 Computer data lines system D28 Driver's micu F can-h F can-l Fl pre + Fl pre - Fl pre sh Fr pre + Fr pre - Fr pre sh Fuse 10a Fuse 7.5a G504 (right center of dash) G901 (top of left "c" pillar) Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga gnd Ga sys on Gnd Hot at all times Hot in on or acc K line Navigation system Nca Pnk Q16 Rds-tmc antenna Rear window Red Rl pre + Rl pre - Rl pre sh Rr pre + Rr pre - Rr pre sh Scty radio sw Scty sw Sh (am/fm) Sh (tmc) Sw +b Swd +b Telm sig + Telm sig - Telm sig sh Tmc in Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Vsp Navigation Wiring Diagram, Premium (2 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Premium (2 of 4) for Honda Civic Si 2012: 56 (not used) A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 Amp mute Audio remote/multi information display switch Aux det Aux gnd Aux lch Aux rch Aux sig gnd Auxiliary jack C17 C18 C19 Cable reel (on steering column) Channel down switch Channel up switch Fl pre + Fl pre - Fl pre sh Fr pre + Fr pre - Fr pre sh Info switch Interior lights system Menu switch Pnk Red Rl pre + Rl pre - Rl pre sh Rr pre + Rr pre - Rr pre sh Source switch Steering wheel Stereo amplifier Subw pre + Subw pre - Subw pre sh Sw +b Volume down switch Volume up switch Navigation Wiring Diagram, Premium (3 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Premium (3 of 4) for Honda Civic Si 2012: 75 +b back up 2-door 4-door A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 Audio l+ Audio l- Audio r+ Audio r- Audio remote sw B can-h B can-l C216 C220 Computer Computer data Data lines system G502 (left side of dash) G503 (under left side of dash) Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga bus+ Ga bus- Ga gnd Ga sys on Gnd Gy sys on Hands free control unit Info sw J/c c208 (4-door) j/c 226 (2-door) J/c c210 (4-door) j/c 224 (2-door) J/c c212 (4-door) j/c 222 (2-door) Lines system Multi information display unit Nca Pnk Red Remote sw gnd Sat/ter Sat/ter sh Usb data + Usb data - Usb gnd Usb sh Usb vbus Xm antenna Xm receiver (right side of trunk) Navigation Wiring Diagram, Premium (4 of 4) for Honda Civic Si 2012 List of elements for Navigation Wiring Diagram, Premium (4 of 4) for Honda Civic Si 2012: 90 +b premium 2-door 4-door Amp mute Audio navigation unit Aux det Aux gnd Aux l ch Aux rch Aux s gnd Aux sh gnd B can-h B can-l B10 B11 B12 B13 B14 B15 B16 B17 C101 C202 C204 C205 C214 C215 C216 C217 C219 C220 C227 C228 C701 Computer data lines system Driver's door speaker E10 E11 E12 E13 E14 E15 E16 Fl sp + Fl sp- Fl tweeter + Fl tweeter - Fr sp + Fr sp- Fr tweeter + Fr tweeter - Front passenger's door speaker Fuse 19 20a G505 (right center of dash) Gnd Gps antenna Gps sig Hot at all times Left rear speaker Left tweeter Navigation system Nca Nca nca Pnk Red Right rear speaker Right tweeter Rl sp + Rl sp - Rr sp + Rr sp - Sh gnd Stereo amplifier Sub w pre sh Sub w pre+ Sub w pre- Sub woofer + Sub woofer - Subwoofer Telm sig Telm sig sh Telm sig- Under-hood fuse/relay box (left rear of engine compt) Usb data + Usb data - Usb gnd Usb port a Usb port b Usb sh Usb vbus
POWER DISTRIBUTION Power Distribution Wiring Diagram, Except Hybrid (1 of 5) for Honda Civic Si 2012 List of elements for Power Distribution Wiring Diagram, Except Hybrid (1 of 5) for Honda Civic Si 2012: 80 (4 door) (2 door) (left rear of engine compt) under-hood fuse/relay box (not used) 2 door 4 door A/c compressor clutch A/c condenser fan relay Alternator Battery Blower moltor relay C14 C18 C203 C214 C218 C227 Console accessory power socket, moonroof & seat heaters D12 Eld unit Eps control unit Ets control relay Fuse Fuse (not used) Fuse 1-1 70a Fuse 1-2 40a Fuse 1-3 30a Fuse 1-4 30a Fuse 1-5 30a Fuse 1-6 100a Fuse 10a Fuse 15a Fuse 2-1 50a Fuse 2-10 20a Fuse 2-11 20a Fuse 2-2 60a Fuse 2-3 60a Fuse 2-4 30a Fuse 2-5 30a Fuse 2-7 30a Fuse 2-8 40a Fuse 2-9 30a Fuse 20a Fuse 32-6 30a 40a Fuse 7.5a Headlight low beam relay Ignition coil relay Left headlight (high) Lock relay Moon roof control unit (if equipped) Multi- fuse 1 Multi- fuse 2 P17 Pgm-fi main relay 1 Pgm-fi sub relay Pnk Power window master switch (if equipped) Power window relay Radiator fan relay Rear window defogger relay Red Relay holder a Relay holder b Relay holder d Right headlight (high) Starter Starter solenoid T101 Tail light relay Tailgate actuator relay To front accessory power socket relay (diagram 5 of 5) To fuse a14 (diagram 2 of 5) To fuse a28 (diagram 2 of 5) To fuse b12 (diagram 2 of 5) To under-dash fuse/relay box (diagram 3 of 5) Tpms control unit (if equipped) Under- dash fuse/ relay box (under left end of dash) Under-dash fuse/ relay box (under left end of dash) Unlock relay Unlock relay (dr) Vsa modulator control unit Power Distribution Wiring Diagram, Except Hybrid (2 of 5) for Honda Civic Si 2012 List of elements for Power Distribution Wiring Diagram, Except Hybrid (2 of 5) for Honda Civic Si 2012: 74 (if equipped) (not used) (under left end of dash) under-dash fuse/relay box 2 door 4 door A16 Audio unit Audio unit (w/o navigation) audio navigation unit (w/ navigation) Auto light control unit (if equipped) B10 B13 B23 Battery sensor Brake pedal position switch C204 C214 C227 C229 C232 C234 C235 C238 Ceiling light Center junction box 1 Center junction box 2 D11 D18 D28 Data link connector (dlc) Driver's micu Driver's power seat 2 Driver's power seat adjustment switch (if equipped) Driver's seat heater relay (high) Driver's seat heater relay (low) Driver's seat heater relay holder (under driver's seat) From c fuse 11 (diagram 1 of 5) From fuse a27 b (diagram 1 of 5) From multi-fuse 1 a (diagram 1 of 5) Front fog light relay (if equipped) Front individual map lights (if equipped) Front passenger's seat heater relay (high) Front passenger's seat heater relay (low) Front passenger's seat heater relay holder (under front passenger's seat) Fuse (not used) Fuse 10a Fuse 15a Fuse 20a Fuse 7.5a Gauge control module (speedo) Gauge control module (tach) Hands free link control unit (if equipped) Hazard warning switch Horn relay Ignition key switch Immobilizer keyless control unit Information display unit Multi- information display unit N13 Optional a Optional b Pnk Q16 Red Relay holder c Stereo amplifier (w/ premium audio) To under- dash fuse- relay holder (diagram 5 of 5) Trunk light Under- hood fuse/relay box (left rear of engine compt) Under-dash fuse/relay box (under left end of dash) W/ center junction box 2 W/ multi- information display W/ navigation W/o center junction box 2 W/o multi- information display Power Distribution Wiring Diagram, Except Hybrid (3 of 5) for Honda Civic Si 2012 List of elements for Power Distribution Wiring Diagram, Except Hybrid (3 of 5) for Honda Civic Si 2012: 68 (not used) 2 door 4 door A/c compressor clutch relay A/t Acc Automatic dimming inside mirror Automatic dimming inside mirror in-line fuse Blower motor relay Bus- bar b Busbar a C17 C203 C218 C302 C403 C406 C413 Center j/b 1 Center j/b 2 Climate control unit Clutch interlock switch Connector g D17 Diode a Diode d Driver's micu Driver's seat heater switch Except si Fan control relay From fuse b22 e (diagram 3 of 5) From under-hood fuse/relay box (diagram 1 of 5) Front fog light relay Front passenger's Fuse (not used) Fuse 20a (honda accessory) Fuse 7.5a Fuse/relay box connector f G401 (left kick panel) H10 Ignition switch J/c c404 Lock M/t On acc Power mirror defogger relay (if equipped) Power mirror switch (if equipped) Radiator fan relay Rear window defogger relay Red Relay holder a Relay holder b S10 Seat heater switch Start Starter Starter cut relay 1 Starter solenoid To under-dash fuse/relay box (diagram 3 of 5) To under-dash fuse/relay box (diagram 4 of 5) To under-dash fuse/relay box (diagram 5 of 5) Transmission range switch Under- dash fuse/ relay box (under left end of dash) Under-dash Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) W/ seat heaters W/o seat heaters Power Distribution Wiring Diagram, Except Hybrid (4 of 5) for Honda Civic Si 2012 List of elements for Power Distribution Wiring Diagram, Except Hybrid (4 of 5) for Honda Civic Si 2012: 85 (not used) (under left end of dash) under-dash fuse/relay box 2 door 4 door A15 A16 A18 A19 A20 A21 A38 A39 Auto light control unit (if equipped) B15 B17 B18 B19 B20 B21 B23 B28 B30 B31 Backup light switch Brake pedal position switch Brake pedal position switch (w/ cruise control) C10 C13 C214 C227 C235 C238 C28 C36 Center Cmp sensor a D10 D31 Diode b (a/t) Driver's micu Ecm/ pcm Ecm/ pcm (a/t) Eld Eps control unit Evap canister purge valve Except si From fuse b2 g (diagram 4 of 5) From ignition switch (diagram 3 of 5) Front passenger's airbag cutoff indicator Fuse (not used) Fuse 10a Fuse 15a Fuse 7.5a Gauge control module (speedo) Gauge control module (tach) Ig1 Immobilizer keyless control unit Information display unit (w/o multi- information display) J/b 2 J/c c404 J/c c410 J/c c412 K12 Maf sensor/ iat sensor Moonroof control unit (if equipped) Nca Ods unit P15 P18 Pgm-fi main relay 2 Q11 Red Reverse lockout solenoid Reverse relay (a/t) Secondary ho2s (sensor 2) Shift lock solenoid (a/t) Srs unit Steering angle sensor Tan To fuse b46 (diagram 5 of 5) To fuse b5 (diagram 4 of 5) Tpms control unit (if equipped) Under- hood fuse/ relay box Under- hood fuse/ relay box (left rear of engine compt) Vsa modulator control unit Power Distribution Wiring Diagram, Except Hybrid (5 of 5) for Honda Civic Si 2012 List of elements for Power Distribution Wiring Diagram, Except Hybrid (5 of 5) for Honda Civic Si 2012: 51 (not used) (option connector) (under left end of dash) under-dash fuse/relay box 2 door 4 door A24 Audio unit Audio unit (w/o navigation) audio-navigation unit (w/ navigation) B26 C216 C220 C233 Center junction box 1 Center junction box 2 Console accessory power socket Console accessory power socket relay Driver's micu From fuse b19 l (diagram 5 of 5) From fuse b27 k (diagram 1 of 5) From fuse b5 h (diagram 4 of 5) From ignition switch (diagram 3 of 5) From under-dash fuse/relay box (diagram 2 of 5) Front accessory power socket Front accessory power socket relay Fuse 15a Fuse 30a Fuse 7.5a G502 (left side of of dash) G503 (under left side of dash) G504 (right end of dash) G601 (under driver's seat) Hands free link control unit Ignition key switch Information display unit (w/o multi-information display) Lock relay P14 P20 Red Relay holder e Tailgate actuator relay To front accessory power socket relay (diagram 5 of 5) Under-dash fuse/relay box (under left end of dash) Under-dash relay holder (left end of dash) Under-hood fuse/relay box (left rear of engine compt) Unlock relay Unlock relay (dr) W/ hands free link W/o hands free link Windshield washer main relay Windshield wiper high/low relay Windshield wiper intermittent relay Power Distribution Wiring Diagram, Hybrid (1 of 4) for Honda Civic Si 2012 List of elements for Power Distribution Wiring Diagram, Hybrid (1 of 4) for Honda Civic Si 2012: 75 (left rear of engine compt) under-hood fuse/relay box (optional connector) 100a 10a 15a 20a 30a 4 of 4) 40a 50a 60a 7.5a 70a A14 A16 A24 Audio unit/ audio navigation unit Audio- navigation unit Auto light control unit Battery Battery sensor Brake pedal position switch C202 C218 C223 C228 Center junction box 1 (behind instrument cluster) Center junction box 2 (behind instrument cluster) Console accessory power socket Console accessory power socket relay D12 D28 Data link connector Driver's micu Eps control unit Etcs control relay From ignition switch (diagram 4 of 4) Front accessory power socket Front accessory power socket relay Fuse Fuse 1-1 Fuse 1-2 Fuse 1-3 Fuse 1-4 Fuse 1-6 Fuse 2-1 Fuse 2-2 Fuse 2-3 G502 (left side of dash) G503 (left side of dash) G504 (right end of dash) G601 (under driver's seat) Gauge control miodule (speedo) Gauge control miodule (tach) Handsfree link control unit Horn relay Ignition coil relay Ignition key switch Mcm Multi- information display unit P20 Pgm-fi sub relay Power window master switch Q16 Red Servo unit Starter To fuse 27 (diagram To fuse 41 (diagram 3 of 4) To fuse 7 (diagram 2 of 4) To ignition switch (diagram 4 of 4) To under-dash fuse/relay box (diagram 2 of 4) Under-dash fuse/relay box (under left end of dash) Vsa modulator control unit Windshield washer main relay Power Distribution Wiring Diagram, Hybrid (2 of 4) for Honda Civic Si 2012 List of elements for Power Distribution Wiring Diagram, Hybrid (2 of 4) for Honda Civic Si 2012: 40 (under left end of dash) under-dash fuse/relay box 15a 7.5a A29 Auto light control module B17 B28 Brake pedal poistion switch C10 C13 C204 C228 D10 D11 Dc-dc converter Diode c Driver a/c compressor Driver's micu Eld Evap canister purge valve From fuse 28 (diagram 1 of 4) From under-hood fuse/relay box (diagram 1 of 4) Fuse Gauge control module (speedo) Gauge control module (tach) Hazard warning switch Immobilizer- keyless control unit J/c c402 Maf sensor/ iat sensor Mcm P18 Pcm Pgm-fi main relay Pgm-fi main relay 2 Reverse relay Secondary ho2s (sensor 2) Shift lock solenoid To fuse 24 (diagram 3 of 4) Tpms control module Under-hood fuse/relay box (left rear of engine compt) Power Distribution Wiring Diagram, Hybrid (3 of 4) for Honda Civic Si 2012 List of elements for Power Distribution Wiring Diagram, Hybrid (3 of 4) for Honda Civic Si 2012: 63 (diagram 4 of 4) (optional connector) (under left end of dash) under-dash fuse/relay box 10a 15a 20a 30a 7.5a A/c compressor clutch relay A16 A38 A39 B13 B30 C17 C202 C224 C225 C28 Center junction box 1 (behind instrument cluster) Center junction box 2 (behind instrument cluster) Climate control unit D17 D31 Driver's micu Driver's seat heater relay (high) Driver's seat heater relay (low) Driver's seat heater switch Eps control module From fuse 23 (diagram 2 of 4) From fuse 27 h (diagram 1 of 4) From ignition switch (diagram 4 of 4) From under-hood fuse/relay box Front passenger seat heater relay (high) Front passenger seat heater relay (low) Front passenger's air bag cutoff indicator Front passenger's seat heater switch Fuse H10 Lock relay Ods/ opds unit P15 Pcm Power mirror switch Power window relay Red Relay control module S10 Servo unit Srs unit Starter cut relay 1 Steering angle sensor Sts fuse Tailgate actuator relay Under- hood fuse/ relay box (left rear of engine compt) Under-hood fuse/relay box (left rear of engine compt) Unlock relay Unlock relay (dr) Vsa modulator control module W/ navigation W/o navigation Windshield washer main relay Windshield wiper main relay Power Distribution Wiring Diagram, Hybrid (4 of 4) for Honda Civic Si 2012 List of elements for Power Distribution Wiring Diagram, Hybrid (4 of 4) for Honda Civic Si 2012: 47 (left rear of engine compt) under-hood fuse/relay box A/c compressor clutch relay A/c condenser fan relay Acc Auxiliary electrical washer pump relay B23 Blower motor relay C216 Ceiling light D18 Dc-dc converter Driver's micu From fuse 1-6 g (diagram 1 of 4) From under-dash fuse/relay box (diagram 1 of 4 ) Front individual map light Fuse 10a Fuse 15a Fuse 2-10 20a Fuse 2-11 20a Fuse 2-3 60a Fuse 2-4 30a Fuse 2-6 30a Fuse 2-8 40a Fuse 20a Fuse 7.5a Ignition key switch Ignition switch Left headlight low beam relay Lock N13 Nca Pgm-fi main relay 1 Radiator fan relay Rear window defogger relay Red Relay control module Right headlight low beam relay Start Start on T101 Tailgate relay To under-dash fuse/relay box (diagram 1 of 4 ) To under-dash fuse/relay box (diagram 3 of 4 ) To under-dash fuse/relay box (diagram 3 of 4) Tpms control unit Trunk light Under-dash fuse/relay box (under left end of dash)
POWER DOOR LOCKS Power Door Locks Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Power Door Locks Wiring Diagram, Except Hybrid (1 of 2) for Honda Civic Si 2012: 94 (left side of dash) g502 (right end of dash) g504 (under front passenger's seat) g602 +b back up 2-door 4-door As door sw As remt sw lock As remt sw unlock As silcon unlock Atp-p B-can h B-can l B11 B15 B18 B22 B29 B32 B33 B34 B40 C19 C202 C215 C217 C228 C27 C37 Computer data lines system D/l dr mtr rly cl D/l mtr lock rly cl D/l mtr unl rly cl D23 D28 D29 Door lock switch front passenger's Dr door sw Dr key cyl lock Dr key cyl unlock Dr silcon lock Dr silcon unlock Driver's door lock actuator/knob switch/ key cylinder switch Driver's door lock knob switch Driver's micu Exterior lights system Front passenger's power window switch Fuse 10a Fuse 15a Fuse 20a Fuse 7.5a G501 (left end of dash) G502 (left side of dash) G503 (under left side of dash) H/lo r rly cl Headlights system Hood sw Horn rly cl Horns system Hot at all times Hot in on or start Ig1 meter Ignition key switch Key cylinder switch driver's door Key sw Knob lock door key Lock Lock relay Lock switch driver's door N10 N12 Neutral P11 P20 Pnk Power window master switch Q16 Ra door sw Rd door sw Remote sw lock Remote sw unlock Rr l silcon unlock Rr r silcon unlock S-gnd Small lt rly cl Tailgate actuator relay Trunk act rly cl Trunk sw Under-dash fuse/relay box (under left end of dash) Unlock Unlock relay Unlock relay (dr) W10 X10 Power Door Locks Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Power Door Locks Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 53 (front center of engine compt) (if equipped) security hood switch (left rear of trunk) g701 (on transmission housing) (a/t) transmission range switch (right end of dash) g504 (under front passenger's seat) g602 +b back up 2-door 4-door A23 Antenna B can-h B can-l B-can transceiver B16 C202 C205 C217 C230 C231 C236 C239 C406 Center junction box Computer data lines system Control circuits Data link connector (dlc) Driver's door switch (in left "b" pillar) Front passenger's door lock actuator/knob switch (security) Front passenger's door switch (in right "b" pillar) Fuse 10a G101 (except si) (left rear of engine) G401 (left kick panel) G602 (under front passenger's seat) Gauge control module (speedo) Gauge control module (tach) Hot at all times Immobilizer keyless control unit J/c c404 Knob switch door lock front passenger's Knob switch door lock left rear Knob switch door lock right rear Left rear door lock actuator/knob switch (4 door security) Left rear door switch (4 door) (in left "c" pillar) Lock Pnk Right rear door lock actuator/knob switch (4 door security) Right rear door switch (4 door) (in right "c" pillar) Security ind Trunk latch switch Trunk lid latch switch/ trunk release actuator Trunk release actuator Under-hood fuse/relay box (left rear of engine compt) Unlock Power Door Locks Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012 List of elements for Power Door Locks Wiring Diagram, Hybrid (1 of 2) for Honda Civic Si 2012: 61 (left side of dash) g502 (right end of dash) g504 (under front passenger's seat) g602 B11 B15 B18 B22 B29 B32 B33 B34 B40 C19 C202 C203 C217 C27 C37 Computer data lines system Control block D23 D28 D29 Door lock switch front passenger's Driver's door lock actuator/knob switch/ key cylinder switch Driver's door lock knob switch Driver's micu Exterior lights system Front passenger's power window switch Fuse 10a Fuse 15a Fuse 20a Fuse 7.5a G501 (left end of dash) G502 (left side of dash) G503 (left side of dash) Headlights system Horns system Hot at all times Hot in on or start Ignition key switch J/c c301 (center of driver's door) Key cylinder switch driver's door Knob lock door key Lock Lock relay Lock switch driver's door N10 N12 Neutral P11 P20 Pnk Power window master switch Tailgate actuator relay Under-dash fuse/relay box (under left end of dash) Unlock Unlock relay Unlock relay (dr) W10 X10 Power Door Locks Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Power Door Locks Wiring Diagram, Hybrid (2 of 2) for Honda Civic Si 2012: 41 (left rear of trunk) g701 (middle of trunk lid) trunk lid latch switch/ trunk release actuator (on engine compartment hood latch assembly) security hood switch (on transmission housing) transmission range switch (right end of dash) g504 (under front passenger's seat) g602 B-can h B-can l B-can transceiver Blinking circuit C203 C204 C220 C221 C226 Computer data lines system Driver's door switch (in left "b" pillar) Front passenger's door lock actuator/knob switch Front passenger's door switch (in right "b" pillar) Fuse 10a G101 (left rear of engine) G401 (left kick panel) Gauge control module (speedo) Gauge control module (tach) Hot at all times J/c c402 Knob switch door lock front passenger's Knob switch door lock left rear Knob switch door lock right rear Left rear door lock actuator/knob switch Left rear door switch (in left "c" pillar) Lock Main circuit Pnk Right rear door lock actuator/knob switch Right rear door switch (in right "c" pillar) Security ind Trunk latch switch Trunk release actuator Under-hood fuse/relay box (left rear of engine compt) Unlock
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram, A/T for Honda Civic Si 2012 List of elements for Automatic Day/Night Mirror Wiring Diagram, A/T for Honda Civic Si 2012: 21 (built-in control unit) Automatic dimming inside mirror Automatic dimming inside mirror in-line fuse B23 Back lt C406 Diode b Diode c Fuse 22 7.5a Fuse 5 7.5a G101 (left side of engine) G501 (left end of dash) Gnd Hot in on Hot in on or start Ig2 J/c c404 (left rear of engine compt) Reverse relay S2 (thermal joint) Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash) Automatic Day/Night Mirror Wiring Diagram, M/T for Honda Civic Si 2012 List of elements for Automatic Day/Night Mirror Wiring Diagram, M/T for Honda Civic Si 2012: 21 (control unit-built in) A16 A23 Automatic dimming inside mirror Automatic dimming inside mirror in-line fuse B16 B23 Back lt Backup light switch (on transaxle housing) C26 C36 Except si Fuse 22 7.5a Fuse 5 7.5a G501 (left end of dash) Gnd Hot in on Hot in on or start Ig2 J/c c404 (except si) j/c c410 (si) (left rear of engine compt) Under-dash fuse/relay box (under left end of dash) Power Mirrors Wiring Diagram, Coupe for Honda Civic Si 2012 List of elements for Power Mirrors Wiring Diagram, Coupe for Honda Civic Si 2012: 28 7.5a C217 C218 C302 Defoggers Down Fuse 22 G502 (left side of dash) Hot in on Interior lights system Internal switch positions Left Left power mirror Left/ right motor Mirror direction selected Nca Pnk Power mirror switch Red Right Right power mirror Switch 1 Switch 2 Switch 3 Under-dash fuse/relay box (under left end of dash) Up/ down motor W/o power mirror W/power mirror defoggers Power Mirrors Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Power Mirrors Wiring Diagram, Hybrid for Honda Civic Si 2012: 27 C202 C203 C217 Defogger Defogger system Down/ left Down/ right Fuse 22 7.5a G502 (left side of dash) G504 (right end of dash) Hot in on Interior lights system J/c c301 (center of driver's door) Left Left power mirror Left/ right motor Pnk Power mirror switch Red Right Right power mirror S10 Under-dash fuse/relay box (under left end of dash) Up/ down motor Up/ left Up/ right W/o power mirror defogger w/ power mirror de fogger Power Mirrors Wiring Diagram, Sedan Except Hybrid for Honda Civic Si 2012 List of elements for Power Mirrors Wiring Diagram, Sedan Except Hybrid for Honda Civic Si 2012: 32 7.5a C202 C203 C215 Defogger Defogger system Down Fuse 22 G502 (left side of dash) Hot in on Interior lights system Internal switch positions J/c c301 (front of driver's door) Left Left power mirror Left/ right motor Mirror direction selected Motor Nca Pnk Power mirror switch Red Right Right power mirror Switch 1 Switch 2 Switch 3 Under-dash fuse/relay box (under left end of dash) Up/ down m Up/ down motor W/ power mirror defogger W/o power mirror defogger
POWER SEATS Driver Power Seat Wiring Diagram for Honda Civic Si 2012 List of elements for Driver Power Seat Wiring Diagram for Honda Civic Si 2012: 23 Backward C229 C232 C234 Down Driver's power seat adjustment switch Driver's power seat front up-down motor Driver's power seat rear up-down motor Driver's power seat recline motor Driver's power seat slide motor Forward Front up-down switch Fuse 13 20a Fuse 24 20a G601 (under driver's seat) Hot at all times Nca Pnk Rear up/ down switch Recline switch Red Slide switch Under-hood fuse/relay box (left rear of engine compt) Heated Seats Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Heated Seats Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 39 2 door 4 door B13 C216 C220 C234 C235 C238 Center junction box 1 Center junction box 2 Climate control unit Driver's seat heater Driver's seat heater relay (high) Driver's seat heater relay (low) Driver's seat heater relay holder (under driver's seat) Driver's seat heater switch Front passenger's seat heater Front passenger's seat heater relay (high) Front passenger's seat heater relay (low) Front passenger's seat heater relay holder (under front passenger's seat) Front passenger's seat heater switch Fuse 14 15a Fuse 22 7.5a G503 (under left side of dash) G601 (under driver's seat) H10 High High indicator Hot at all times Hot in on Interior lights system Low Low indicator Nca Red Switch illumination Under-dash fuse/relay box (under left end of dash) W/ seat heaters W/o seat heaters Heated Seats Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Heated Seats Wiring Diagram, Hybrid for Honda Civic Si 2012: 27 B13 C218 C224 C225 Center junction box 2 (behind instrument cluster) Driver's seat heater Driver's seat heater relay (high) Driver's seat heater relay (low) Driver's seat heater switch Front passenger's seat heater Front passenger's seat heater relay (high) Front passenger's seat heater relay (low) Front passenger's seat heater switch Fuse 15a Fuse 7.5a G503 (left side of dash) G601 (under driver's seat) High High indicator Hot at all times Hot in on Low Low indicator Red Seat back Seat cushion Under-dash fuse/relay box (under left end of dash)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Honda Civic Si 2012 List of elements for Power Top/Sunroof Wiring Diagram for Honda Civic Si 2012: 67 (hybrid: behind instrument cluster) center junction box 2 2 door 4 door 4 door 2 door A26 As door sw Auto Auto close Auto open B29 B32 B40 C204 C214 C215 C227 C228 Close Cpu Dr door sw Dr key cyl lock Dr key cyl unlock Driver's door key cylinder lock switch Driver's door lock actuator/ knob switch/ key cyclinder switch Driver's door switch (in left "b" pillar) Driver's micu Ecm/pcm (left side of engine compt) Front passenger's door switch (in right "b" pillar) Fuse 11 20a Fuse 5 7.5a Fuse 6 7.5a G501 (left end of dash) G502 (left side of dash) G602 (under front passenger's seat) Gnd Hall sensor Hot at all times Hot in on or start Ig1 Interior lights system Junction connector c301 (except hybrid: front of driver's door) (hybrid: center of driver's door) Key/door lock knob Mirror defoggers Moonroof close relay Moonroof control unit/motor (except hybrid: center rear of moon roof) Moonroof motor Moonroof open relay Moonroof switch light Moonroof switch/ interior light switch Off Open P/w timer Plsa Plsb Pnk Q11 Red Rly ctrl S-gnd Svcc Tilt Under-dash fuse/relay box (under left end of dash) Unlock Vsp W/ power mirror defoggers W/o power X10
POWER WINDOWS Power Windows Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Power Windows Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 49 (4-door) (w/ auto power window) driver's power window switch (w/o auto power window) driver's power window switch 0) off 1) up 2) down 3) auto 2-door 4-door 5) auto B19 B32 C202 C203 C205 C215 C216 C217 C218 C230 C231 Control unit Down Driver's micu Driver's power window motor Front passenger's power window motor Front passenger's power window switch Fuse 2-2 60a Fuse 20a G502 (left side of dash) G602 (under front passenger's seat) Hot at all times Left rear passenger's power window dn switch (4-door) Left rear power window motor Left rear power window switch (4-door) Master switch Multi fuse 2 Off Option a Option b Pnk Power window master switch Power window relay Pulser Red Right rear passenger's power window dn switch Right rear power window motor Right rear power window switch (4-door) Under- hood fuse/ relay box (left rear of engine compt) Under-dash fuse/relay box (under left end of dash) W/ auto power window W/o auto power window Power Windows Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Power Windows Wiring Diagram, Hybrid for Honda Civic Si 2012: 35 Auto dn Auto up B19 C202 C203 C204 C217 C218 C220 C221 Control unit Driver's micu Driver's power window motor Front passenger's power window motor Front passenger's power window switch Front passenger's switch Fuse 2-2 60a Fuse 20a G502 (left side of dash) Hot at all times Left rear passenger's switch Left rear power window motor Left rear power window switch Master switch Off Pnk Power window master switch Power window relay Pulser Red Right rear passenger's switch Right rear power window motor Right rear power window switch Under- hood fuse/ relay box (left rear of engine compt) Under-dash fuse/relay box (under left end of dash)
RADIO Base Radio Wiring Diagram, Except Hybrid with Navigation & with Multi-Information Display (1 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Except Hybrid with Navigation & with Multi-Information Display (1 of 4) for Honda Civic Si 2012: 91 (left side of engine compt) ecm/pcm (pins :b11 to b19 not used) (pins :b14 to b19 not used) (pins :b3 to b8 not used) (right center of dash) g505 (top of left "c" pillar) +b back up A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A26 Acc Am/fm antenna Am/fm in Audio navigation unit B10 B11 B12 B13 B20 Back lt C10 C11 C12 C204 C501 Center junction box 1 Center junction box 2 Computer data lines system D28 Driver's micu F can-h F can-l Fl spkr + Fl spkr - Fuse 10a Fuse 19 7.5a G504 (right end of dash) G901 Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga gnd Ga sys on Gnd Hot at all times Hot in on or acc K line Navigation system Nca Pnk Q16 Rds-tmc antenna Rear window Red Rf spkr + Rf spkr - Rl spkr + Rl spkr - Rr spkr + Rr spkr - Scty radio sw Scty sw Sh (am/fm) Sh (tmc) Swd +b Telm sig + Telm sig - Telm sig sh Tmc in Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Vsp Base Radio Wiring Diagram, Except Hybrid with Navigation & with Multi-Information Display (2 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Except Hybrid with Navigation & with Multi-Information Display (2 of 4) for Honda Civic Si 2012: 28 2-door 4-door Aux det Aux gnd Aux lch Aux rch Aux sig gnd Auxiliary jack C101 C202 C205 C214 C215 C216 C217 C219 C220 C227 C228 Driver's door speaker Front passenger's door speaker J/c 211 (4-door) j/c 223 (2-door) (upper center of dash) Left rear speaker Left tweeter Pnk Red Right rear speaker Right tweeter Base Radio Wiring Diagram, Except Hybrid with Navigation & with Multi-Information Display (3 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Except Hybrid with Navigation & with Multi-Information Display (3 of 4) for Honda Civic Si 2012: 75 +b back up 2-door 4-door A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 Audio l+ Audio l- Audio r+ Audio r- Audio remote sw B can-h B can-l C216 C220 Computer Computer data Computer data lines system Data lines system G502 (left side of dash) G503 (under left side of dash) Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga bus+ Ga bus- Ga gnd Ga sys on Gnd Gy sys on Hands freelink control unit (right side of dash) Info sw J/c c210 (4-door) j/c 224 (2-door) (lower center of dash) J/c c212 (4-door) j/c 222 (2-door) (lower center of dash) Lines system Multi information display unit Nca Pnk Red Remote sw gnd Sat/ter Sat/ter sh Usb data + Usb data - Usb gnd Usb sh Usb vbus Xm antenna Xm receiver (right side of trunk) Base Radio Wiring Diagram, Except Hybrid with Navigation & with Multi-Information Display (4 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Except Hybrid with Navigation & with Multi-Information Display (4 of 4) for Honda Civic Si 2012: 49 (not used) Audio navigation unit Audio remote/multi information display switch Aux det Aux lch Aux rch Aux sh gnd B can-h B can-l C17 C18 C19 C701 Cable reel (on steering column) Channel down switch Channel up switch Computer data lines system Duet sh E10 E11 E12 E13 E14 E15 E16 Gps antenna Gps sig Info switch Interior lights system Menu switch Navigation system Nca Pnk Red Sh gnd Source switch Steering wheel Telm sig Telm sig sh Telm sig- Usb data + Usb data - Usb gnd Usb port a Usb port b Usb sh Usb vbus Volume down switch Volume up switch Base Radio Wiring Diagram, Except Hybrid without Navigation & with Multi-Information Display (1 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Except Hybrid without Navigation & with Multi-Information Display (1 of 4) for Honda Civic Si 2012: 75 (right center of dash) g505 +b back up 2-door 4-door A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 Acc Am/fm antenna Am/fm in Audio unit B-can h B-can l C10 C11 C12 C205 C216 C219 C220 C501 Center junction box 1 Center junction box 2 Computer data lines system Driver's micu Fl spkr + Fl spkr - Fuse 10a Fuse 19 7.5a Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus sh Ga bus+ Ga bus- Ga sys on Gnd Hot at all times Hot in on or acc K line Left rear speaker M2 pnk Nca Option a Option b Pnk Q16 Rear window Red Right rear speaker Rl spkr + Rl spkr - Rr spkr + Rr spkr - Scty radio sw Scty sw Sh (am/fm) Swd +b Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) W/ security Base Radio Wiring Diagram, Except Hybrid without Navigation & with Multi-Information Display (2 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Except Hybrid without Navigation & with Multi-Information Display (2 of 4) for Honda Civic Si 2012: 41 (if equipped) auxiliary jack (not used) 2-door 4-door Audio remote/multi information display switch Aux det Aux gnd Aux lch Aux rch Aux sig gnd C101 C102 C17 C18 C19 C202 C214 C215 C217 C227 C228 Cable reel (on steering column) Channel down switch Channel up switch Driver's door speaker Front passenger's door speaker Info switch Interior lights system J/c 211 (4-door) j/c 223 (2-door) (upper center of dash) Left tweeter Menu switch Option a option b Pnk Red Right tweeter Source switch Steering wheel Volume down switch Volume up switch W/ tweeters W/o tweeters Base Radio Wiring Diagram, Except Hybrid without Navigation & with Multi-Information Display (3 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Except Hybrid without Navigation & with Multi-Information Display (3 of 4) for Honda Civic Si 2012: 57 (right side of dash) handsfreelink control module A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 Audio remote B can-h B can-l Computer data lines system Duel tx Duet cont Duet rx G502 (left side of dash) G503 (upper left side of dash) Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga sys on Gnd Info sw J/c c210 (4-door) j/c c224 (2-door) (lower center of dash) J/c c212 (4-door) j/c c222 (2-door) (lower center of dash) Lines system computer data Multi information display unit Nca Pnk Red Remote sw Usb data + Usb data - Usb gnd Usb sh Usb vbu Base Radio Wiring Diagram, Except Hybrid without Navigation & with Multi-Information Display (4 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Except Hybrid without Navigation & with Multi-Information Display (4 of 4) for Honda Civic Si 2012: 56 A10 A11 A12 Audio l+ Audio l- Audio r+ Audio r- Audio unit Aux det Aux gnd Aux lch Aux rch Aux sh gnd Aux sig gnd B can h B can l B10 B11 B12 B13 B14 B15 B16 B17 B18 C216 C220 C701 Computer data lines system Duet cont Duet rx Duet sh Duet tx Ga audio sh Ga bus sh Ga bus+ Ga bus- Lines system computer data Navigation system Nca Pnk Red Sat/ter Sat/ter sh Satellite signal antenna Telm sig sh Telm sig+ Telm sig- Usb data + Usb data - Usb gnd Usb port a Usb sh Usb vbus Xm antenna Xm receiver (right side of trunk) Base Radio Wiring Diagram, Hybrid with Navigation & with Multi-Information Display (1 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Hybrid with Navigation & with Multi-Information Display (1 of 4) for Honda Civic Si 2012: 60 (behind instrument cluster) center junction box 1 (behind instrument cluster) center junction box 2 (center of dash) g505 (left side of engine compt) ecm/pcm (pins :b11 to b19 not used) (pins :b14 to b19 not used) (pins :b3 to b8 not used) A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A26 Am/fm & xm antenna Amplifier amp Audio navigation unit B10 B11 B12 B13 B20 C10 C11 C12 C204 C218 C228 C501 C502 Center junction box 1 (behind instrument cluster) Center junction box 2 (behind instrument cluster) Computer data lines system D28 Driver's micu Fuse 10a Fuse 19 7.5a G504 (right end of dash) G903 (left "c" pillar) Hot at all times Hot in on or acc Lna Mcm (right rear of ipu) Navigation system Nca Pnk Q16 Rds-tmc antenna Red Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Base Radio Wiring Diagram, Hybrid with Navigation & with Multi-Information Display (2 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Hybrid with Navigation & with Multi-Information Display (2 of 4) for Honda Civic Si 2012: 17 Auxiliary jack C101 C203 C204 C216 C217 C218 Driver's door speaker Front passenger's door speaker J/c 211 (center of dash) Left rear speaker Left tweeter Nca Pnk Red Right rear speaker Right tweeter Base Radio Wiring Diagram, Hybrid with Navigation & with Multi-Information Display (3 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Hybrid with Navigation & with Multi-Information Display (3 of 4) for Honda Civic Si 2012: 44 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 C218 Computer Computer data Computer data lines system Data lines system G502 (left side of dash) G503 (left side of dash) Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Hands freelink control unit (right side of dash) J/c c210 (center of dash) J/c c212 (center of dash) Lines system Multi information display unit Nca Pnk Red Xm receiver (right side of trunk) Base Radio Wiring Diagram, Hybrid with Navigation & with Multi-Information Display (4 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Hybrid with Navigation & with Multi-Information Display (4 of 4) for Honda Civic Si 2012: 28 Audio navigation unit Audio remote/multi information display switch C17 C18 C19 C701 Cable reel (top of steering column) Channel down switch Channel up switch Computer data lines system E10 E11 E12 E13 E14 E15 E16 Gps antenna Info switch Menu switch Navigation system Nca Pnk Source switch Usb port a Usb port b Volume down switch Volume up switch Base Radio Wiring Diagram, Hybrid without Navigation & with Multi-Information Display (1 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Hybrid without Navigation & with Multi-Information Display (1 of 4) for Honda Civic Si 2012: 48 (behind instrument cluster) center junction box 1 (behind instrument cluster) center junction box 2 (center of dash) g505 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 Am/fm antenna & xm antenna Audio unit B-can h B-can l C10 C11 C12 C204 C218 C501 C502 Center junction box 1 (behind instrument cluster) Center junction box 2 (behind instrument cluster) Computer data lines system Driver's micu Fuse 10a Fuse 19 7.5a Hot at all times Hot in on or acc Left rear speaker M2 pnk Nca Pnk Q16 Red Right rear speaker Scty sw Sub amplifier Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Base Radio Wiring Diagram, Hybrid without Navigation & with Multi-Information Display (2 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Hybrid without Navigation & with Multi-Information Display (2 of 4) for Honda Civic Si 2012: 24 Audio remote/multi information display switch Auxiliary jack C101 C17 C18 C19 C203 C216 C217 Cable reel (top of steering column) Channel down switch Channel up switch Driver's door speaker Front passenger's door speaker Info switch J/c 211 Left tweeter Menu switch Pnk Red Right tweeter Source switch Volume down switch Volume up switch Base Radio Wiring Diagram, Hybrid without Navigation & with Multi-Information Display (3 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Hybrid without Navigation & with Multi-Information Display (3 of 4) for Honda Civic Si 2012: 34 (right side of dash) handsfreelink control module A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 Computer data lines system G502 (left side of dash) G503 (left side of dash) J/c c210 J/c c212 Lines system computer data Multi information display unit Nca Pnk Red Base Radio Wiring Diagram, Hybrid without Navigation & with Multi-Information Display (4 of 4) for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, Hybrid without Navigation & with Multi-Information Display (4 of 4) for Honda Civic Si 2012: 23 Audio unit B10 B11 B12 B13 B14 B15 B16 B17 B18 C701 Computer data lines system Lines system computer data Nca Pnk Red System navigation Usb data + Usb data - Usb gnd Usb port a Usb sh Usb vbus Base Radio Wiring Diagram, without Multi-Information Display for Honda Civic Si 2012 List of elements for Base Radio Wiring Diagram, without Multi-Information Display for Honda Civic Si 2012: 65 (right center of dash) g505 +b back up 2-door 4-door A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A26 Acc Am/fm antenna Am/fm in Audio unit C202 C204 C205 C215 C216 C217 C219 C220 C228 C501 Center junction box 1 Computer data lines system Driver's door speaker Ecm/pcm (left side of engine compt) Fl spkr+ Fl spkr- Fr spkr+ Fr spkr- Front passenger's door speaker Fuse 10a Fuse 19 7.5a Gnd Hot at all times Hot in on or acc Illum+ Illum- Interior lights system K line Left rear speaker Nca Pnk Rear window Red Right rear speaker Rl spkr+ Rl spkr- Sh (am/fm) Swd +b Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Vsp Premium Radio Wiring Diagram, with Navigation (1 of 4) for Honda Civic Si 2012 List of elements for Premium Radio Wiring Diagram, with Navigation (1 of 4) for Honda Civic Si 2012: 97 (pins :b11 to b19 not used) (pins :b14 to b19 not used) (pins :b3 to b8 not used) (right center of dash) g505 +b back up A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A26 Acc Am/fm antenna Am/fm in Audio navigation unit B10 B11 B12 B13 B20 Back lt C10 C11 C12 C204 C501 Can h Can l Center junction box 1 Center junction box 2 Computer data lines system D28 Driver's micu Ecm/pcm F can-h F can-l Fl pre + Fl pre - Fl pre sh Fr pre + Fr pre - Fr pre sh Fuse 10a Fuse 7.5a G504 (right end of dash) G901 (top of left "c" pillar) Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga gnd Ga sys on Gnd Hot at all times Hot in on or acc K line Navigation system Nca Pnk Q16 Rds-tmc antenna Rear window Red Rl pre + Rl pre - Rl pre sh Rr pre + Rr pre - Rr pre sh Scty radio sw Scty sw Sh (am/fm) Sh (tmc) Sw +b Swd +b Telm sig + Telm sig - Telm sig sh Tmc in Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Vsp Premium Radio Wiring Diagram, with Navigation (2 of 4) for Honda Civic Si 2012 List of elements for Premium Radio Wiring Diagram, with Navigation (2 of 4) for Honda Civic Si 2012: 56 (not used) A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 Amp mute Audio remote/multi information display switch Aux det Aux gnd Aux lch Aux rch Aux sig gnd Auxiliary jack C17 C18 C19 Cable reel (on steering column) Channel down switch Channel up switch Fl pre + Fl pre - Fl pre sh Fr pre + Fr pre - Fr pre sh Info switch Interior lights system Menu switch Pnk Red Rl pre + Rl pre - Rl pre sh Rr pre + Rr pre - Rr pre sh Source switch Steering wheel Stereo amplifier Subw pre + Subw pre - Subw pre sh Sw +b Volume down switch Volume up switch Premium Radio Wiring Diagram, with Navigation (3 of 4) for Honda Civic Si 2012 List of elements for Premium Radio Wiring Diagram, with Navigation (3 of 4) for Honda Civic Si 2012: 75 +b back up 2-door 4-door A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 Audio l+ Audio l- Audio r+ Audio r- Audio remote sw B can-h B can-l C216 C220 Computer Computer data Data lines system G502 (left side of dash) G503 (under left side of dash) Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga bus+ Ga bus- Ga gnd Ga sys on Gnd Gy sys on Hands free control unit Info sw J/c c208 (4-door) j/c 226 (2-door) J/c c210 (4-door) j/c 224 (2-door) J/c c212 (4-door) j/c 222 (2-door) Lines system Multi information display unit Nca Pnk Red Remote sw gnd Sat/ter Sat/ter sh Usb data + Usb data - Usb gnd Usb sh Usb vbus Xm antenna Xm receiver (right side of trunk) Premium Radio Wiring Diagram, with Navigation (4 of 4) for Honda Civic Si 2012 List of elements for Premium Radio Wiring Diagram, with Navigation (4 of 4) for Honda Civic Si 2012: 90 +b premium 2-door 4-door Amp mute Audio navigation unit Aux det Aux gnd Aux l ch Aux rch Aux s gnd Aux sh gnd B can-h B can-l B10 B11 B12 B13 B14 B15 B16 B17 C101 C202 C204 C205 C214 C215 C216 C217 C219 C220 C227 C228 C701 Computer data lines system Driver's door speaker E10 E11 E12 E13 E14 E15 E16 Fl sp + Fl sp- Fl tweeter + Fl tweeter - Fr sp + Fr sp- Fr tweeter + Fr tweeter - Front passenger's door speaker Fuse 19 20a G505 (right center of dash) Gnd Gps antenna Gps sig Hot at all times Left rear speaker Left tweeter Navigation system Nca Nca nca Pnk Red Right rear speaker Right tweeter Rl sp + Rl sp - Rr sp + Rr sp - Sh gnd Stereo amplifier Sub w pre sh Sub w pre+ Sub w pre- Sub woofer + Sub woofer - Subwoofer Telm sig Telm sig sh Telm sig- Under-hood fuse/relay box (left rear of engine compt) Usb data + Usb data - Usb gnd Usb port a Usb port b Usb sh Usb vbus Premium Radio Wiring Diagram, without Navigation (1 of 4) for Honda Civic Si 2012 List of elements for Premium Radio Wiring Diagram, without Navigation (1 of 4) for Honda Civic Si 2012: 78 (or nca) (right center of dash) g505 +b back up A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 Acc Am/fm antenna Am/fm in Amp mute Audio unit B-can h B-can l C10 C11 C12 C501 Center junction box 1 Center junction box 2 Computer data lines system Driver's micu Fl pre + Fl pre - Fl pre sh Fr pre + Fr pre - Fr pre sh Fuse 10a Fuse b19 7.5a Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga gnd Ga sys on Gnd Hot at all times Hot in acc or on K line M2 pnk Nca Pnk Q16 Rear window Red Rl pre + Rl pre - Rl pre sh Rr pre + Rr pre - Rr pre sh Scty radio sw Scty sw Sh (am/fm) Sub w pre sh Subw pre + Subw pre - Sw +b Swd +b Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Premium Radio Wiring Diagram, without Navigation (2 of 4) for Honda Civic Si 2012 List of elements for Premium Radio Wiring Diagram, without Navigation (2 of 4) for Honda Civic Si 2012: 58 (if equipped) auxiliary jack (not used) (or nca) A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 Amp mute Audio remote/multi information display switch Aux det Aux gnd Aux lch Aux rch Aux sig gnd C17 C18 C19 Cable reel (on steering column) Channel down switch Channel up switch Fl pre + Fl pre - Fl pre sh Fr pre + Fr pre - Fr pre sh Info switch Interior lights system Menu switch Nca Pnk Red Rl pre + Rl pre - Rl pre sh Rr pre + Rr pre - Rr pre sh Source switch Steering wheel Stereo amplifier Subw pre + Subw pre - Subw pre sh Sw +b Volume down switch Volume up switch Premium Radio Wiring Diagram, without Navigation (3 of 4) for Honda Civic Si 2012 List of elements for Premium Radio Wiring Diagram, without Navigation (3 of 4) for Honda Civic Si 2012: 81 (or nca) (or nca) red A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 Audio l+ Audio l- Audio r+ Audio r- Audio remote Audio unit connector c B can-h B can-l C11 C12 Computer data lines system Duel tx Duet cont Duet rx G502 (left side of dash) G503 (under left side of dash) Ga +b Ga audio l+ Ga audio l- Ga audio r+ Ga audio r- Ga audio sh Ga bus + Ga bus - Ga bus sh Ga bus+ Ga bus- Ga gnd Ga sys on Gnd Gy sys on Handsfreelink control module Info sw J/c c208 (4-door) j/c c226 (2-door) J/c c210 (4-door) j/c c224 (2-door) J/c c212 (4-door) j/c c222 (2-door) Lines system computer data Multi information display unit Nca Nca bus cable 2-port conn- ector Pnk Pnk (or nca) Red Remote sw Sat/ter Sat/ter sh Satellite signal antenna Usb data + Usb data - Usb gnd Usb sh Usb vbu W/ honda accessory & xm receiver W/o honda accessory & xm receiver Xm antenna Xm receiver (right side of trunk) Premium Radio Wiring Diagram, without Navigation (4 of 4) for Honda Civic Si 2012 List of elements for Premium Radio Wiring Diagram, without Navigation (4 of 4) for Honda Civic Si 2012: 79 +b premium 2-door 4-door Audio unit Aux det Aux gnd Aux lch Aux rch Aux sh gnd Aux sig gnd B can h B can l B10 B11 B12 B13 B14 B15 B16 B17 B18 C101 C202 C204 C205 C214 C215 C216 C217 C219 C220 C227 C228 C701 Computer data lines system Driver's door speaker Duet cont Duet rx Duet sh Duet tx Fl sp + Fl sp- Fl tweeter + Fl tweeter - Fr sp + Fr sp- Fr tweeter + Fr tweeter - Front passenger's door speaker Fuse 19 20a G505 (right center of dash) Gnd Hot at all times Left rear speaker Left tweeter Navigation system Nca Pnk Red Right rear speaker Right tweeter Rl sp + Rl sp - Rr sp + Rr sp - Stereo amplifier Sub woofer + Sub woofer - Subwoofer Telm sig sh Telm sig+ Telm sig- Under-hood fuse/relay box (left rear of engine compt) Usb data + Usb data - Usb gnd Usb port a Usb sh Usb vbus
SHIFT INTERLOCK Reverse Lockout Wiring Diagram for Honda Civic Si 2012 List of elements for Reverse Lockout Wiring Diagram for Honda Civic Si 2012: 11 (under left end of dash) B49 D10 Ecm/pcm (left side of engine compt) Fuse 2 15a Hot in on or start J/c c410 (left rear of engine compt) J/c c412 (right rear of engine) Reverse lockout solenoid (top of transmission housing) Rls Under-dash fuse/relay box Shift Interlock Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Shift Interlock Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 60 (not used) A/t gear position indicator panel light/ park-pin switch (under center console) A13 A21 A22 A23 A28 A29 A35 A36 A45 A46 Acc key lock App sensor (left rear of engine compt) Aps1 Aps2 Atp-p Atpp B16 B24 B28 B44 Brake pedal position switch (under left side of dash) C16 C232 C406 D23 Driver's micu Ecm/pcm (left side of engine compt) Fuse 15a Fuse 7.5a G101 (left side of engine compt) G503 (under left side of dash) G602 (under front passenger's seat) Hot at all times Hot in acc or on Hot in on or start Ig 1 meter Ignition key switch J/c c404 (left rear of engine compt) Key interlock solenoid Key sol Key sw Nca P-pin sw P10 P11 Park pin switch Pnk S2 (thermal joint) Sg4 Sg5 Shift lock solenoid (under center console) Sls Stop sw Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Vcc4 Vcc5 Shift Interlock Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Shift Interlock Wiring Diagram, Hybrid for Honda Civic Si 2012: 42 A/t gear position indicator panel light/park pin switch (under center console) A13 A21 A28 A29 A35 A36 A45 A46 App sensor (left rear of engine compt) App sensor 1 App sensor 2 B24 B28 B32 B44 Brake pedal position switch (under left side of dash) C16 C222 C228 D23 Driver's micu Fuse 15a Fuse 7.5a G101 (top left rear of engine) G503 (under left side of dash) G602 (under front passenger's seat) Hot at all times Hot in acc or on Hot in on or start Ignition key switch J/c c402 (left rear of engine compt) Key interlock solenoid Mcm (right rear of ipu) P10 P11 Pcm (left side of engine compt) Pnk Shift lock solenoid (base of a/t shift lever) Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt)
STARTING/CHARGING Charging Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Charging Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 51 (1.8l) (2.4l) (under battery tray) (under left front headlight assembly) 1.8l 2.4l A19 A20 A3 (1.8l) A34 A7 (2.4l) Alternator B16 B20 B21 Battery Battery sensor C409 Charging system ind Computer data lines system Control circuits D10 Ecm/pcm (left side of engine compt) Eld Eld unit F can-h F can-l F-can Fuse 1-6 100a Fuse 10a Fuse 15a Fuse 7.5a G101 (left side of engine compt) G301 G503 (under left side of dash) Gauge control module Hot at all times Hot in on or start J/c c404 J/c c404 j/c c410 J/c c407 (a/t) j/c c412 (2.4l) (right rear of engine) j/c c405 (m/t: 1.8l) (rear of engine) J/c c410 (2.4l) (left rear of engine compt) Lin Multi- fuse 1 Power distribution system Red Starting circuit T101 Transceiver Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Remote Starting Wiring Diagram (1 of 3) for Honda Civic Si 2012 List of elements for Remote Starting Wiring Diagram (1 of 3) for Honda Civic Si 2012: 66 (left side of engine compt) 0=off 1=park 2=auto 3=head 2-door 4-door A17 A21 A42 Acc key lock Antenna input Anti-theft system Auto light control unit (if equipped) (right side of dash) B-can h B-can l B28 C10 C20 C214 C227 C232 C24 Center junction box 2 Combi gnd (light) Combi gnd (wiper) Combination light switch Combination light switch connector Computer data lines system Driver's micu Ecm/pcm Fr wiper int vol Fuse 15a Fuse 7.5a Gnd H/l off sw H/l on sw Headlight switch Hot in on or start Ig1 meter Ig1 option Ig1 p/w cut Ig1 relay coil Ig2 day lt Ig2 relay coil Igi Immobilizer sig Intermittent dwell time controller K-line Moonroof control unit/motor (center rear of moonroof) Nca P18 Pnk Q11 Red Relay gnd Remote starting control unit Remote starting control unit in-line fuse Remote starting system antenna S-net Scs Shift lock sol Shift lock solenoid (under center console) Small lt sw Start relay coil T15 Under-dash fuse/ relay box (under left end of dash) Wiper/washer switch Wiper/washer switch connector Remote Starting Wiring Diagram (2 of 3) for Honda Civic Si 2012 List of elements for Remote Starting Wiring Diagram (2 of 3) for Honda Civic Si 2012: 33 (left kick panel) (left rear of engine compt) (not used) (under battery tray) All times Battery Battery sensor Busbar Busbar b C403 C406 Cut Diode a Eld unit Fuse 1-6 100a Fuse 10a Fuse 2-1 50a Fuse 7.5a G101 (left side of engine compt) G401 Hot at J/c c404 (left rear of engine compt) Multi- fuse 1 Multi- fuse 2 Red Relay 1 Solenoid Starter Starter motor Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash) Under-dash fuse/relay box connector a Under-hood fuse/relay box (left rear of engine compt) Remote Starting Wiring Diagram (3 of 3) for Honda Civic Si 2012 List of elements for Remote Starting Wiring Diagram (3 of 3) for Honda Civic Si 2012: 14 40a Acc Fuse block Ig1 fuse Ig1 relay Ig2 relay Ig2/ start fuse Ignition switch Lock Pnk Red Start Start relay Under-dash fuse/relay box connector a Starting Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Starting Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 43 (left kick panel) (left side of engine compt) (not used) (on transmission (under battery tray) 1.8l 100a 2.4l A/t Acc Battery Battery sensor Busbar a Busbar b C403 C406 C413 Clutch interlock switch (under left side of dash) Diode a (left rear of engine compt) Eld unit Fuse 1-6 Fuse 2-1 50a Fuse 5 7.5a G101 G401 Housing) Ignition switch J/c c404 Lock M/t Multi- fuse 1 Multi- fuse 2 Range switch Red Relay 1 Solenoid Start Starter Starter cut Strater motor Transmission Under-dash fuse/relay box (under left end of dash) Underhood fuse/relay box (left rear of engine compt) Starting Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Starting Wiring Diagram, Hybrid for Honda Civic Si 2012: 37 (left kick panel) A49 Acc B23 B24 Battery Battery sensor C404 D10 D23 Diode e (in under- hood fuse relay box) Driver's Eld Fuse 1-6 100a Fuse 15a Fuse 2-1 50a Fuse 7.5a G1 (left front corner of engine compt) G101 (top left rear of engine) G401 Hot in on or start Ignition switch J/c c402 Lock Micu N d Pcm (left side of engine compt) Red Start Starter Starter cut relay 1 Starter motor Starter solenoid Sts fuse Transmission range switch (on transmission housing) Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram, Except Hybrid (1 of 4) for Honda Civic Si 2012 List of elements for Supplemental Restraints Wiring Diagram, Except Hybrid (1 of 4) for Honda Civic Si 2012: 74 (front of center console) g506 2-door 4-door A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 B30 C201 C235 C238 Cable reel (on steering column) Center junction box 1 Computer data lines system Driver's air bag inflator F can-h F can-l First Front passenger's air bag inflator (behind right side of dash) Fuse 10a Fuse 7.5a Gnd 1 Gnd 2 Hot in on or start Ig1 srs Ig1 srs2 Kline La1+ La1- La2+ La2- Left front impact sensor (behind left side of front bumper) Lfs+ Lfs- Nca Off ptt Ra1+ Ra1- Ra2+ Ra2- Red Rfs+ Rfs- Right front impact sensor (behind right side of front bumper) Second Srs unit (under middle of dash) Steering wheel Under-dash fuse/relay box (under left end of dash) Supplemental Restraints Wiring Diagram, Except Hybrid (2 of 4) for Honda Civic Si 2012 List of elements for Supplemental Restraints Wiring Diagram, Except Hybrid (2 of 4) for Honda Civic Si 2012: 43 (lower four sensors in seat back) lower element (or gnd-inn sws) (or pow-inn sws) (or pow-out sws) (or red) (right side of seat back) side element (under left front of passenger's seat) (under left rear of passenger's seat) 2-door 4-door C235 C238 Front passenger's weight sensor (front inner side) (4-door) Front passenger's weight sensor (front outer side) (4-door) (under right front of passenger's seat) Front passenger's weight sensor (rear inner side) (4-door) Front passenger's weight sensor (rear outer side) (4-door) (under right rear of passenger's seat) G602 (under front passenger's seat) Gnd Gnd- inn sws Gnd- out sws Ig1 srs2 Inner side front passenger's weight sensor (2-door) Nca Ods Ods unit (in front passenger's seat back) Opds sensor Outer side front passenger's weight sensor (2-door) Pow- inn sws Pow- out sws Red Sh gnd Ws1g Ws1o Ws1p Ws2g Ws2o Ws2p Ws3g Ws3o Ws3p Ws4g Ws4o Ws4p Supplemental Restraints Wiring Diagram, Except Hybrid (3 of 4) for Honda Civic Si 2012 List of elements for Supplemental Restraints Wiring Diagram, Except Hybrid (3 of 4) for Honda Civic Si 2012: 18 (base of left "b" pillar) driver's seat belt tensioner Computer data lines system Control circuits Driver's seat belt buckle switch F-can transceiver Front passenger's air bag cut-off indicator Front passenger's seat belt buckle switch Fuse 7.5a G602 (under front passenger's seat) Gauge control module (tach) Hot in on or start Interior lights system Nca Red Seat belt reminder ind Side air bag cut-off ind Srs ind Under-dash fuse/relay box (under left end of dash) Supplemental Restraints Wiring Diagram, Except Hybrid (4 of 4) for Honda Civic Si 2012 List of elements for Supplemental Restraints Wiring Diagram, Except Hybrid (4 of 4) for Honda Civic Si 2012: 70 (base of right "b" pillar) front passenger's seat belt tensioner (in left "c" pillar) (w/ side curtain air bag) left side curtain air bag inflator (in right "c" pillar) (w/ side curtain air bag) right side curtain air bag inflator (outer edge of driver's seat back) driver's side air bag inflator (outer edge of front passenger's seat back) front passenger's side air bag inflator (under middle of dash) B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 C234 Driver seat position sensor (under left rear of driver's seat) Flbc Frbc G602 (under front passenger's seat) Lca+ Lca- Left side impact sensor (first) (2-door: at left outer side of floor) (4-door: base of left "b" pillar) Left side impact sensor (second) (w/ side curtain air bag) (2-door: in left "b" pillar) (4-door: in left "c" pillar) Lrp+ Lrp- Ls1+ Ls1- Lsa+ Lsa- Nca Ods Pnk Rca+ Rca- Red Right side impact sensor (first) (2-door: at right outer side of floor) (4-door: base of right "b" pillar) Right side impact sensor (second) (w/ side curtain air bag) (2-door: in right "b" pillar) (4-door: in right "c" pillar) Rrp+ Rrp- Rs1+ Rs1- Rsa+ Rsa- Srs unit Ss+ W/ driver's power seat W/ side curtain air bags W/o driver's power seat W/o seat heaters W/o side curtain air bags Supplemental Restraints Wiring Diagram, Hybrid (1 of 4) for Honda Civic Si 2012 List of elements for Supplemental Restraints Wiring Diagram, Hybrid (1 of 4) for Honda Civic Si 2012: 47 (under front of center console) g506 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 B30 C201 C224 Cable reel (top of steering column) Center junction box 1 Computer data lines system Driver's air bag inflator Front passenger's air bag inflator (behind right side of dash) Fuse 10a Fuse 7.5a Hot in on or start Left front impact sensor (behind left end of front bumper) Red Right front impact sensor (behind right end of front bumper) Srs unit (under front of center console) Under-dash fuse/relay box (under left end of dash) Supplemental Restraints Wiring Diagram, Hybrid (2 of 4) for Honda Civic Si 2012 List of elements for Supplemental Restraints Wiring Diagram, Hybrid (2 of 4) for Honda Civic Si 2012: 13 (left side of right front seat back) ods unit/opds unit C224 C229 Front passenger's weight sensor (front inner side) (under left front of passenger's seat) Front passenger's weight sensor (front outer side) (under right front of passenger's seat) Front passenger's weight sensor (rear inner side) (under left rear of passenger's seat) Front passenger's weight sensor (rear outer side) (under right rear of passenger's seat) G602 (under front passenger's seat) Nca Opds sensor Red W/ navigation W/o navigation Supplemental Restraints Wiring Diagram, Hybrid (3 of 4) for Honda Civic Si 2012 List of elements for Supplemental Restraints Wiring Diagram, Hybrid (3 of 4) for Honda Civic Si 2012: 28 (base of left "b" pillar) driver's seat belt tensioner (driver's seat belt buckle assembly) driver's seat belt buckle switch (front passenger's seat belt buckle assembly) front passenger's seat belt buckle switch 5v regulator Computer data lines system D28 Driver's micu F-can h F-can l F-can transceiver Fail-safe circuit Forced turning-on circuit Front passenger's air bag cut-off indicator Fuse 10a Fuse 7.5a G602 (under front passenger's seat) Gauge control module (tach) Hot at all times Hot in on or start Indicator drive circuit Interior lights system Main circuit Red Seat belt reminder ind Side air bag cut-off ind Srs ind Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Supplemental Restraints Wiring Diagram, Hybrid (4 of 4) for Honda Civic Si 2012 List of elements for Supplemental Restraints Wiring Diagram, Hybrid (4 of 4) for Honda Civic Si 2012: 46 (base of right "b" pillar) front passenger's seat belt tensioner (in left "c" pillar) left side curtain air bag inflator (in right "c" pillar) right side curtain air bag inflator (outer edge of driver's seat back) driver's side air bag inflator (outer edge of front passenger's seat back) front passenger's side air bag inflator (under front of center console) B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 C225 Driver seat position sensor (under driver's seat) G602 (under front passenger's seat) Left side impact sensor (first) (base of left "b" pillar) Left side impact sensor (second) (base of left "c" pillar) Pnk Red Right side impact sensor (first) (base of right "b" pillar) Right side impact sensor (second) (base of right "c" pillar) Srs unit W/ navigation W/o navigation
TRANSMISSION Transmission Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012 List of elements for Transmission Wiring Diagram, Except Hybrid (2 of 2) for Honda Civic Si 2012: 27 (thermal joint) s5 A16 A17 A22 A23 App sensor (left rear of engine compt) Atf temperature sensor (on transmission housing) C401 C406 Computer data lines system Control circuits Egr valve/egr valve position sensor (except si) (top left rear of engine) Engine controls system F-can transceiver G101 (left side of engine compt) G503 (under left side of dash) Gauge control module (tach) Input shaft (mainshaft) speed sensor (on transmission housing) Junction connector c404 Junction connector c407 Map sensor (1.8l: right rear of engine) (2.4l: left rear of engine) Output shaft (countershaft) speed sensor (on transmission housing) Pnk Red S4 (thermal joint) Starting/ charging system Transmission range switch (on transmission housing) Transmission Wiring Diagram, Hybrid (1 of 3) for Honda Civic Si 2012 List of elements for Transmission Wiring Diagram, Hybrid (1 of 3) for Honda Civic Si 2012: 79 (top left rear of engine) g101 (top of brake pedal assembly) brake pedal position switch (top of fuel tank) fuel tank unit (under driver's seat) g601 10v stabilizing circuit A/t gear position indicator driving circuit A21 A28 A29 A35 A36 A40 A42 A45 A46 App sensor (left rear of engine compt) App sensor 1 App sensor 2 B10 B11 B15 B22 B23 B24 B25 B26 B27 B28 B29 B33 B34 B35 B36 B37 B38 B39 B40 B41 B42 B43 B44 B48 C10 C15 C20 C222 C229 C23 C24 C34 C35 C401 C41 C42 C49 Computer data lines system Cvt clutch pressure control solenoid valve (on transmission housing) Dimming circuit F-can h F-can l F-can transceiver Fail-safe circuit Forced turning-off circuit Forced turning-on circuit Fuel pump Fuse 17 15a Fuse 21 15a Fuse 29 10a G101 (top left rear of engine) Gauge control module (tach) Hot at all times Main circuit Pcm (left side of engine compt) Pgm-fi main relay 2 Pnk Red Shift interlock system Tan Under-hood fuse/relay box (left rear of engine compt) Transmission Wiring Diagram, Hybrid (2 of 3) for Honda Civic Si 2012 List of elements for Transmission Wiring Diagram, Hybrid (2 of 3) for Honda Civic Si 2012: 34 (in exhaust) secondary ho2s sensor 2 (on transmission housing) transmission range switch C13 C20 C25 C401 Computer data lines system Cvt driven pulley pressure control solenoid valve (on transmission housing) Cvt input shaft (drive pulley) speed sensor (on transmission housing) Cvt output shaft (driven pulley) speed sensor (top of transmission housing) D23 D28 Driver's micu Evap canister purge valve (top rear of engine) Exterior lights system Fuse 15a Fuse 7.5a G101 (top left rear of engine) G902 (rear of trans- mission) Gauge control module (speedo) Hot in on or start Iat sensor Inhibitor solenoid (on transmission housing) J/c c402 J/c c406 Maf sensor Maf/iat sensor (on engine air intake duct) P r Pgm-f1 main relay 1 Pnk Red Tan Under-dash fuse/relay box (under left end of dash) Vehicle speed sensor Transmission Wiring Diagram, Hybrid (3 of 3) for Honda Civic Si 2012 List of elements for Transmission Wiring Diagram, Hybrid (3 of 3) for Honda Civic Si 2012: 19 (on transmission housing) atf temperature sensor (on transmission housing) engine oil temperature sensor (rear of cylinder head) rocker arm oil pressure sensor a (rear of cylinder head) rocker arm oil pressure sensor b (right rear of engine) ect sensor 1 (top left front of engine) egr valve & egr valve position sensor (top left rear of engine) rocker arm oil control solenoid a (top left rear of engine) rocker arm oil control solenoid b C401 C403 Ckp sensor (left side of engine) Cmp sensor (rear of engine) Cvt drive pulley pressure control solenoid valve (on transmission housing) Cvt driven pulley pressure sensor (on transmission housing) G101 (top left rear of engine) G902 (rear of transmission) J/c c406 Pnk Tan
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Trunk Release Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 32 2-door 4-door B-can transceiver B18 B22 B23 C236 C239 Computer data lines system Control circuits D28 Driver's micu Fuse 10a Fuse 41 20a Fuse 7.5a G502 (left side of dash) G503 (under left side of dash) G701 (left rear of trunk) Gauge control module (speedo) Gauge control module (tach) Hot at all times Pnk Tailgate actuator relay Trunk act rly cl- Trunk latch switch Trunk lid latch switch/trunk release actuator (middle of trunk lid) Trunk light Trunk open ind Trunk release actuator Trunk sw Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Trunk Release Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Trunk Release Wiring Diagram, Hybrid for Honda Civic Si 2012: 29 B-can transceiver B22 B23 C226 Computer data lines system D18 Drive circuit indicator Driver's micu Fuse 41 20a Fuse 5 7.5a Fuse 7.5a G502 (left side of dash) G701 (left rear of trunk) Gauge control module (tach) H b-can Hot at all times Hot in on or start L b-can Main circuit P20 Pnk Tailgate actuator relay Trunk ind Trunk latch switch Trunk lid latch switch/trunk release actuator (middle of trunk lid) Trunk light Trunk release actuator Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt)
WARNING SYSTEMS Chime Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Chime Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 82 (lighting) (under left side of dash) g503 +b back up 0) off 1) park 2) auto 3) head 2-door 4-door A20 A21 Acc key lock Amplifier As door sw B-can hi B-can lo B-can transceiver B22 B24 B29 B32 B33 B34 B40 Beeper Brake system indicator C216 C220 Combi gnd t5 Combination light switch Computer data lines system Control circuits D18 D28 Door open indicator Dr door sw Driver's micu Driver's seat belt switch (in driver's seat belt buckle assembly) Drivers's door switch (in left "b" pillar) F can-h F can-l F-can transceiver Flbc Frbc Front passenger's door switch (in right "c" pillar) Front passenger's seat belts switch (in front passenger's seat belt buckle assembly) Fuse 10a Fuse 7.5a G501 (left end of dash) G602 (under front passenger's seat) Gauge control module (speedo) Gauge control module (tach) H/l off sw H/l on sw Head lights system Headlight switch Hot at all times Hot in on or acc Hot in on or start Ig1 mtr Ignition key light Ignition key switch Key lt- Key sw Left rear door switch (4-door) (in left "c" pillar) Lights on indicator Low oil pressure indicator Nca Oil pressure switch (near oil filter) P11 P12 Parking brake switch (at base of parking brake lever) Pcm (left side of engine compt) Pnk Ra door sw Rd door sw Red Right rear door switch (4-door) (in right "c" pillar) S-gnd Seat belt reminder indicator Small lt sw Srs unit (under middle of dash) Trunk open indicator Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Chime Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Chime Wiring Diagram, Hybrid for Honda Civic Si 2012: 63 (left side of dash) g503 0) off 1) park 2) auto 3) head 10v stabilizing circuit A20 A21 Amplifier B-can transceiver B22 B24 B29 B33 B34 B40 Brake ind (red) Brake system indicator C218 Circuit fail-safe Combination light switch Computer data lines system D28 Dimming circuit Door open indicator Driver's micu Driver's seat belt buckle switch (in driver's seat belt buckle assembly) Drivers's door switch (on driver's "b" pillar) F can-h F can-l F-can transceiver Flbc Frbc Front passenger's belt buckle switch (in front passenger's seat belt buckle assembly) Front passenger's door switch (on right "b" pillar) Fuse 10a Fuse 7.5a G501 (left end of dash) G503 (left side of dash) G602 (under front passenger's seat) Gauge control module (speedo) Gauge control module (tach) Head lights system Headlight switch Hot at all times Hot in on or start Ignition key switch Indicator drive circuits Left rear door switch (on left "c" pillar) Lights on indicator Low oil pressure indicator Main circuit Oil pressure switch (near oil filter) On circuit turning forced P11 Parking brake switch (at base of park lever) Pcm (left side of engine compt) Pnk Red Right rear door switch (on right "c" pillar) Seat belt reminder indicator Speaker Srs unit (under front of center console) Tan Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Tire Pressure Monitoring Wiring Diagram for Honda Civic Si 2012 List of elements for Tire Pressure Monitoring Wiring Diagram for Honda Civic Si 2012: 23 (except hybrid) control circuits (hybrid) main circuit (left end of dash) g501 +b tpms Computer data lines system F can-h F can-l F-can transceiver Fuse 10a Fuse 7.5a G503 (under left side of dash) Gauge control module (tech) Gnd Hot at all times Hot in on or start Ig1 meter K-line Low tire pressure indicator Red Tpms control unit (left end of dash) Tpms indicator Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt)
WIPER/WASHER Wiper/Washer Wiring Diagram, Except Hybrid for Honda Civic Si 2012 List of elements for Wiper/Washer Wiring Diagram, Except Hybrid for Honda Civic Si 2012: 64 A23 Atp-p B16 B32 Brake pedal position switch (under left side of dash) C15 C22 C23 C32 C406 Combi gnd (wiper) D23 Driver's micu E10 Fr wiper as Fr wiper hi/lo sw Fuse 15a Fuse 30a Fuse 5 7.5a G101 (except si) (a/t: left side of engine compt) (m/t: left rear of engine) G201 (under right front headlight assembly) G401 (left kick panel) G501 (left end of dash) G502 (left side of dash) G602 (under front passenger's seat) High Hot at all times Hot in on or start Int low Int vol fr wiper t6 Int/lo sw fr wiper t16 Intermittent dwell time controller (variable intermittent J/c c404 (left rear of engine compt) Low Meter ig1 Mist Mist sw fr wiper Off P20 Park Range switch (on transmission housing) Relay holder e Rly cl- fr wash Rly cl- wip hi/lo rly cl- fr wio int Run S-gnd Stop sw Sw fr washer t19 T15 T17 T18 Transmission Under-dash fuse/relay box (under left end of dash) Under-hood fuse/relay box (left rear of engine compt) Wash Wind- shield washer switch Wind- shield wiper switch Window washer motor (in washer fluid reservoir) Windshield washer main relay Windshield wiper high/low relay Windshield wiper intermittent relay Windshield wiper motor (under right side of cowl cover) Wiper) Wiper/ washer switch Wiper/Washer Wiring Diagram, Hybrid for Honda Civic Si 2012 List of elements for Wiper/Washer Wiring Diagram, Hybrid for Honda Civic Si 2012: 39 A13 A14 A16 C15 C22 C23 C32 Driver's micu Fuse 15a Fuse 30a Fuse 7.5a G201 (under right headlight assembly) G401 (left kick panel) G501 (left end of dash) G502 (left side of dash) High Hot in on or start Int Intermittent dwell time controller Low Mist Off P20 Relay control module (in under-hood fuse/relay box) T15 T16 T17 T18 T19 Under-dash fuse/relay box (under left end of dash) Wash Windshield washer main relay Windshield washer motor (in washer fluid reservoir) Windshield washer switch Windshield wiper high/low relay Windshield wiper intermittent relay Windshield wiper motor (under right side of cowl cover) Windshield wiper switch Wiper/ washer switch
