Diagram sections — 30 (88 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS 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 (1 of 2) for Honda Ridgeline RTL 2008 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008: 63 (at right side of dash) (behind glove box) (right rear of engine compartment) (under right side of dash) A/c pres sw A/c pressure switch (at right side of engine compartment) A14 A15 Ac-ck Ac-si Ac-so Amd-p Amd-p as Amd-p dr B-can Blwr fdbk Climate control unit Computer data Computer data lines system Control block Driver's air mix control motor (under middle of dash) Evap sens Evaporator temperature sensor (under middle of dash) Fresh Front passenger's air mix control motor Frs G202 G402 Gnd Ig2 Illum(+) Illum(-) In-car temperature sensor (lower left side of dash) Inside air Interior lights system Lines system M-cool M-cool as M-cool dr M-def M-hot M-hot as M-hot dr M-vent Mode 1 Mode 2 Mode 3 Mode control motor Navigation unit (under driver's seat) Outside air Outside air temperature sensor (behind front grille) Pnk Pwr trns ctl Rec Recirc Recirculation control motor (behind glove box) Red Relay control module S-com S5v Sun sens Sunlight sensor (middle of dash) Under-hood fuse/relay box (right rear of engine compartment) Automatic A/C Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008: 51 (not used) A/c compressor A/c compressor clutch A/c compressor clutch relay A/c condenser fan relay A/c diode assembly (behind right side of dash) A/c pressure switch A14 A36 A37 Ac condenser fan motor (front middle of engine compartment) Auxiliary under-hood relay box (right rear of engine compartment) Blower motor (under right side of dash) Blower motor relay Blower power transistor (under right side of dash) C14 C36 C40 Can-h Can-l Computer data lines system D16 E15 Ect sensor 2 (at rear of engine) Engine controls system F10 Fan control relay Fuse 30a Fuse 40a Fuse 7.5a G101 (at rear of engine) G201 (behind right headlight) G202 (right rear of engine compartment) G402 (at right side of dash) Ground High fan control Hot at all times Hot in on J/c c104 (middle of engine compt) Low fan control N20 Pcm (right rear of engine compartment) Pgm-f1 main relay 1 Radiator fan motor (front middle of engine compartment) Radiator fan relay Red Relay control Sensor ground Sensor input Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (right rear of engine compartment) Manual A/C Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008 List of elements for Manual A/C Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008: 44 (right rear of engine compartment) A/c pres sw A/c pressure switch (at right side of engine compartment) Air mix control motor (under middle of dash) Amd-p B-can Blower power transistor (under right side of dash) Blwr fdbk Computer data lines system Control block Evap sens Evaporator temperature sensor (under middle of dash) Fresh Frs G202 G402 (at right side of dash) Gnd Heater control unit-panel Ig2 Illum(+) Illum(-) Interior lights system M-cool M-def M-hot M-vent Mode 1 Mode 2 Mode 3 Mode 4 Mode control motor (behind glove box) Outside air Outside air temperature sensor (behind front grille) Pnk Pwr trns ctl Rec Recirc Recirculation control motor (behind glove box) Red Red/ Relay control module S-com S5v Under-hood fuse/relay box (right rear of engine compartment) Manual A/C Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008 List of elements for Manual A/C Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008: 49 (not used) A/c compressor A/c compressor clutch A/c compressor clutch relay A/c condenser fan motor (front middle of engine compartment) A/c condenser fan relay A/c diode assembly (behind right side of dash A/c pressure switch A14 A36 A37 Auxiliary under-hood relay box (right rear of engine compartment) Blower motor (under right side of dash) Blower motor relay C14 C36 C40 Can-h Can-l Computer data lines system D16 E15 Ect sensor 2 (at rear of engine) Engine controls system F10 Fan control relay Fuse 30a Fuse 40a Fuse 7.5a G101 (at rear of engine) G201 (behind right headlight) G202 (right rear of engine compartment) Ground High fan control Hot at all times Hot in on J/c c104 (middle of engine compt) Low fan control N20 Pcm (right rear of engine compartment) Pgm-f1 main relay 1 Radiator fan motor (front middle of engine compartment) Radiator fan relay Red Relay control Sensor ground Sensor input Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (right rear of engine compartment)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008: 44 (behind right kick panel) (left side of engine compartment) +b-fsr +b-mr A36 Auxiliary under-hood fuse box (left rear of engine compartment) Bksw Can-h Can-l Computer data lines system Fl+b Fl-gnd Flp Fr+b Fr-gnd Frp Fuse 20a Fuse 40a G302 (behind left side of front bumper) Gnd Hot at all times Ig1 J/c c451 (under middle of dash) K-line Left front wheel speed sensor (left side of engine compt) Left rear wheel speed sensor (under rear of vehicle) Parbrk Pnk Powertrain control (pcm) module (right rear of engine compartment) Red Right front wheel speed sensor (right side of engine compt) Right rear wheel speed sensor (under rear of vehicle) Rl+b Rl-gnd Rlp Rr+b Rr-gnd Rrp S-gnd Sgnd Steering angle sensor (in steering column) Vsa modulator control unit Vtm-4 control unit Yaw rate-lateral acceleration sensor (under center console) Anti-lock Brakes Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008: 31 A10 A19 A20 Abs indicator B14 Brake fluid level switch (next to brake fluid reservoir) Brake pedal position switch (top of brake pedal arm) Brake system indicator Drive circuit F-can trans Fail safe circuit Fuse 20a Fuse 7.5a G301 (left front of engine compartment) G401 (behind upper left end of dash) Gauge control module H/brksw Hot at all times Hot in on or start Immobilizer control unit receiver (in steering column, on ignition key cylinder Parking brake switch (top of parking brake pedal) Red Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (right rear of engine compartment) Vsa system indicator Vsa activation indicator Vsa off switch (left side of dash) Warning drive circuit X16 X34 X35
ANTI-THEFT Forced Entry Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008 List of elements for Forced Entry Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008: 76 (2007-08 canada & 2008 usa) (driver's door) (left end of dash) (not used) (rts. rtl, ex-l) (under center console) 20a 7.5a A19 As unlock B-can Body controller area network transceiver C10 D/l lock D11 Door lock switch Dr unlock Driver's door switch (on left "b" pillar) Drswas Drswdr Drswra Drswrd E10 E14 E15 Front passenger's door lock knob switch (rts. rtl, ex-l) (at rear of front passenger's door) Front passenger's door switch (on right "b" pillar) Front passenger's power window switch/door lock switch Fuse 21 Fuse 33 Fuse 7 Fuse 8 G401 (behind upper left end of dash) G402 (at right side of dash) G403 G501 G501 (under center console) Gauge control module Gnd H10 H12 H13 Hot at all times Hot in on or start Ig1 Ignition key switch Ignition key switch/key light (near ignition key cylinder) Immobilizer circuit J14 K11 K12 Left rear door switch (on left "c" pillar) Lock Micu N28 P1 sg-1 P13 ig key sw P25 rem as lock P27 scty in P29 sil as unlock P9 rem as unlock Q11 tailgate sw Q12 trunk handle sw Q2 sil ra unlock Q3 sil rd unlock Q4 trunk unlock Right rear door switch (on right "c" pillar) Rts. rtl, ex-l Security indicator Trunk act Trunk sw Under-dash fuse/relay box (at left kick panel) Unlock Vbu X34 X35 Forced Entry Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008 List of elements for Forced Entry Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008: 47 (in driver's door) driver's door key cylinder switch (in driver's door) driver's door lock knob switch (rts, rtl, ex-l) 15a 20a 7.5a A18 Audio unit Cd changer Control block Door lock switch Door multiplex control unit Except navigation Fuse 13 Fuse 4 Fuse 7 G201 (behind right headlight) G401 (behind upper left end of dash) G501 (under center console) H14 H15 High horn Horn relay Horns system Hot at all times Ign Interior lights system Key lock Key unlock Keyless receiver antenna Knob lock Knob unlock Left rear door lock knob switch (rts, rtl, ex-l) (in rear of left rear door) Lock Low horn Navigation Pg1 Power window master switch Relay control module Right rear door lock actuator (in rear of right rear door) Right rear door lock knob switch (rts, rtl, ex-l) (in rear of right rear door) Security hood switch (rts, rtl, ex-l) (center front of engine compartment) Sgnd Taillight relay Under-hood fuse/relay box (right rear of engine compartment) Unlock Vbu Forced Entry Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008 List of elements for Forced Entry Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008: 20 (if equipped) (rts, rtl, ex-l) Actuator Driver's door lock actuator (at rear of driver's door) Front passenger's door lock actuator (at rear of front passenger's door) G51 G601 (left side of cargo area) G602 (right side of cargo area) In-bed trunk lid actuator/ latch switch (in-bed trunk lid) In-bed trunk lid handle switch (in-bed trunk lid) In-bed trunk lid key cylinder switch (rts, rtl, ex-l) (in-bed trunk lid) In-bed trunk lid main switch (in glove box) Left rear door lock actuator (in rear of left rear door) Mic Microphone Nca Security control unit (under left side of dash) Security indicator (in steering column cover) Switch Tailgate switch (right rear of cargo area) Immobilizer Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Immobilizer Wiring Diagram for Honda Ridgeline RTL 2008: 60 (2007-08 canada & 2008 usa) (at top of parking brake pedal) parking brake switch (lower left side of dash) (under rear seat below floor access panel) fuel tank unit +b back up A11 A19 A22 A44 B36 B37 B43 C18 C40 Data link connector Diag-h E12 E13 Fuel pump Fuel pump ctrl Fuse 19 15a Fuse 7 7.5a G101 (at rear of engine) G102 at right front of engine, near power steering pump) G502 (behind rear seat) Gauge control module Gnd H/brake sw Hot at all times Hot in on or start Ig key sw Ig1 Ig1 fuel pump Ign in Ignition key switch Ignition key switch/ key light Immobi alarm Immobi code Immobi code in Immobilizer indicator Immobilizer receiver unit (in steering column, on ignition key cylinder) Imocd Imoes unit (2007-08 canada & 2008 usa) J/c c103 (middle of engine compt) J/c c104 (middle of engine compt) Key sw Lg1 Lg3 Logic gnd Micu Pcm (right rear of engine compartment) Pgm-fi main relay 1 Pgm-fi main relay 2 Pwr in Rly ctrl T11 Transmissions system Under-dash fuse/relay box (at left kick panel) X35 X38
BODY CONTROL MODULES
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Computer Data Lines Wiring Diagram for Honda Ridgeline RTL 2008: 66 (if equipped) (not used) A24 A31 A36 A42 A43 B-can B10 B19 C11 Can-h Can-l Chk Climate control unit Combination switch control unit Control block D10 D11 Data link connector (lower left side of dash) Diag (+) Diag (-) Diag-h Diag-k Door multiplex control unit Fuse 8 15a G402 (at right side of dash) G501 (under center console) Gauge control module Gnd Heater control unit-panel Hot at all times Immobilizer control unit receiver (in steering column, on ignition key cylinder) J/c c451 (under middle of dash) J/c c452 (under middle of dash) K-line Micu Micu service check connector N10 N13 N14 N22 N28 Navigation service check connector (under driver's seat) Navigation unit Pcm (right rear of engine compartment) Power window master switch Red Red a22 Relay control module Rt, lx Rts, rtl, ex-l Scs Side of dash) Srs unit (behind lower center of dash) Steering angle sensor (in steering column) Tpms receiver unit (under left Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (at right rear of engine compartment) Vsa modulator control unit (left side of engine compartment) Vtm-4 control unit (behind right kick panel) Wen Wiper/washer switch X18 X27 Yaw rate-lateral acceleration sensor (under center console)
COOLING FAN Cooling Fan Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Cooling Fan Wiring Diagram for Honda Ridgeline RTL 2008: 47 (at rear of engine) ect sensor 2 (right rear of engine compartment) A/c condenser fan motor (front middle of engine compartment) A/c condenser fan relay A/c diode assembly (behind right side of dash) A/c pressure switch A/c pressure switch (at right side of engine compartment) A36 A37 Auxiliary under-hood relay box (right rear of engine compartment) B-can C14 C36 Can-h Can-l Climate control unit Computer data lines system Control block D11 D16 Fan control relay Fuse 10a Fuse 19 30a Fuse 20 30a Fuse 7.5a G201 (behind right headlight) G202 Heater control unit-panel High fan control Hot at all times Hot in on Low fan control Micu N28 Pcm (right rear of engine compartment) Pgm-f1 main relay 1 Radiator fan motor (front middle of engine compartment) Radiator fan relay Red Relay control Relay control module Rts, rtl, ex-l Rtx, rt, lx Sensor ground Sensor input Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (right rear of engine compartment)
CRUISE CONTROL Cruise Control Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008 List of elements for Cruise Control Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008: 59 "on" indicator A17 A18 A20 A24 A25 A34 A35 A36 App sensor (right rear of engine compartment) B12 B17 B18 B19 B33 B34 B40 Brake pedal position switch (at top of brake pedal arm) C17 C40 Communication Computer data lines system Control block Cruise control main switch Cruise control main switch light Drive input Engine controls system Fuse 13 20a Fuse 18 15a Fuse 7 7.5a G101 (at rear of engine) G401 (behind upper left end of dash) Ground Horn relay Hot at all times Hot in on or start Ignition input Interior lights system J/c c104 (middle of engine compt) N29 Output shaft (counter shaft) speed sensor (on transmission housing) Powertrain control module (pcm) (right rear of engine compartment) Red Reference voltage Relay control Relay control module Sensor ground Sensor input Sensor voltage Signal high Signal low Switch input Throttle actuator(+) Throttle actuator(-) Tp sensor a signal Tp sensor b signal Tp sensor/throttle actuator (on side of throttle body assembly) Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (at right rear of engine compartment) Cruise Control Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008 List of elements for Cruise Control Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008: 43 A/t gear position/cruise control dimming circuit A10 A12 A13 A14 A19 A20 Cable reel Cancel switch Computer data lines system Cruise control indicator Cruise control set/ resume/ cancel switch D10 Drive circuit E10 Engine controls Etcs control relay F-can transceiver F17 F19 Fuse 21 7.5a Fuse 7 7.5a Fuse 8 15a Fuse 9 15a G101 (at rear of engine) Gauge control module Horn switch Hot at all times Hot in on or start Ignition coil relay Left end of dash) (behind upper g401 Pgm-fi main relay 1 Red Resume switch Set switch Steering wheel System T10 Transmission range switch (on transmission housing) Under hood fuse/relay box (at right rear of engine compartment) Under-dash fuse/relay box (at left kick panel) X34 X35
DEFOGGERS Heated Mirrors Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Heated Mirrors Wiring Diagram for Honda Ridgeline RTL 2008: 12 (at right side of dash) g402 (under center console) g501 Defogger Fuse 30 7.5a Hot in on J21 Left power mirror Mirror defogger switch Power mirror switch Right power mirror Under-dash fuse/relay box (at left kick panel) X21 Heated Windshield Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Heated Windshield Wiring Diagram for Honda Ridgeline RTL 2008: 36 (at right rear of engine compartment) (behind upper left end of dash) (right side of dash) g402 Air conditioning system B-can Climate control unit Control block D11 E16 Fr def sw Fuse 14 20a Fuse 2 (not used) Fuse 30 7.5a G202 G401 Gnd Heated windshield wiper area relay Heated windshield area defogger Heater control unit- panel Hot at all times Hot in on Ig2 J10 Micu N20 N22 Outside air Outside air temper- ature sensor (behind front grille) P23 Pnk Relay control module Rts, rtl, ex-l Rtx, rt. lx S-com Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (at right rear of engine compartment)
ENGINE PERFORMANCE
3.5L 3.5L, Engine Performance Wiring Diagram (1 of 6) for Honda Ridgeline RTL 2008 List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 6) for Honda Ridgeline RTL 2008: 69 (in fuel tank) fuel pump (not used) A/f sensor relay Acc Afshtcr Air conditioning system Anti- theft system Anti-theft system App sensor (right rear of engine compt) Aps1 Aps2 Atp-p Bksw Bkswnc Can h Can l Computer data lines system Computer data lines system cooling fans system Computer data lines system shift interlock system Cooling fans system D3 switch D3sw E13 E16 Eld Etcsrly Evap canister vent shut valve (under left rear of vehicle) Exterior lights system Fanh Fanl Ftp Ftp sensor Fuse 15a Fuse 7.5a G202 (right rear of engine compt) G401 (at left kick panel) G502 (behind rear seat) Hot at all times Hot in on or start Ignition coil relay Imo flr Imocd K-line Lg3 Mrly Nep Pdsw Pgm-fi main relay 1 Pgm-fi main relay 2 Powertrain (pcm) control module (right rear of engine compt) Psp switch (on power steering pressure line) Pspsw Red Scs Sg3 Sg4 Sg7 Sls Transmissions system (4wd circuit) navigation system Under-dash fuse/relay box (at left kick panel) Vcc3 Vcc4 Vcc7 Vssout Vsv Wen X32 X36 X38 3.5L, Engine Performance Wiring Diagram (2 of 6) for Honda Ridgeline RTL 2008 List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 6) for Honda Ridgeline RTL 2008: 28 (at top of brake pedal arm) brake pedal position switch Atp-p Atp-r E10 Eld unit Etcs control relay Exterior lights system F17 F19 Fuse 15a Fuse 20a Fuse 7.5a G101 (at rear of engine) G102 (at right front of engine, near power steering pump) G202 (right rear of engine compt) Hot at all times Hot in on or start Icm Ignition coils Micu P16 P20 Red Tp sensor/throttle actuator (on side of throttle body assembly) Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (at right rear of engine compt) X34 X35 3.5L, Engine Performance Wiring Diagram (3 of 6) for Honda Ridgeline RTL 2008 List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 6) for Honda Ridgeline RTL 2008: 47 (middle of engine compt) junction connector c103 Altl Ckpa Ckpb Cmp Fuel injectors G101 (at rear of engine) Ig1 Igp Igpls1 Igpls2 Igpls3 Igpls4 Igpls5 Igpls6 Imtm Inj1 Inj2 Inj3 Inj4 Inj5 Inj6 Ip b1 Ip b2 Lg2 Lsb Lsc Map Pg1 Pg2 Powertrain (pcm) control module (right rear of engine compt) Red Sg1 Sg5 Sho2s b1 Sho2s b2 Starting/ charging system Tpsa Tpsb Vbsol Vcc1 Vcc5 Vcent b1 Vcent b2 Vs b1 Vs b2 Vtpsw 3.5L, Engine Performance Wiring Diagram (4 of 6) for Honda Ridgeline RTL 2008 List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 6) for Honda Ridgeline RTL 2008: 13 (left side of engine compt) front a/f sensor (b2, s1) (left side of engine compt) front secondary ho2s (b2, s2) (middle of engine compt) junction connector c104 A/t clutch pressure control solenoid valve c (on transmission housing) Chip resistor Ckp sensors (a & b) (at lower front of engine) Cmp sensor (on top front of engine) G101 (at rear of engine) Map sensor (on top of throttle body assembly) Output shaft speed sensor (countershaft) (on transmission housing) Red Torque converter clutch solenoid valve Vtec oil pressure switch (on lower front of engine) 3.5L, Engine Performance Wiring Diagram (5 of 6) for Honda Ridgeline RTL 2008 List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 6) for Honda Ridgeline RTL 2008: 23 (on transmission housing) transmission range switch (right rear of engine) junction connector c105 A/t clutch pressure control solenoid valve a (on transmission housing) A/t clutch pressure control solenoid valve b (on transmission housing) A/t gear position indicator drive circuit A/t gear position indicator/ cruise control dimming circuit A19 A20 Atf temperature sensor (on transmission housing) Computer data lines system Fast controller area network G101 (at rear of engine) Gauge control module Imt valve (upper front of engine) Mil ind Pnk Red Shift control solenoid valve a Shift control solenoid valve b Shift control solenoid valve c Starting/ charging system Transceiver Warning drive control 3.5L, Engine Performance Wiring Diagram (6 of 6) for Honda Ridgeline RTL 2008 List of elements for 3.5L, Engine Performance Wiring Diagram (6 of 6) for Honda Ridgeline RTL 2008: 56 (at rear of engine) ect sensor 2 (at rear of engine, on top of water passage) ect sensor 1 (left side of engine compt) rear secondary ho2s (b1, s2) (on intake manifold chamber) iat sensor (on transmission housing) input shaft speed sensor (mainshaft) 3rd clutch transmission fluid pressure switch (on transmission housing) 4th clutch transmission fluid pressure switch (on transmission housing) Afshtc b1 Afshtc b2 Altc Altf Atft Atp fwd Atp-1 Atp-2 Atp-d Atp-n Atp-r Chip resistor Ect1 Egr Egr valve & position sensor (at rear of engine) Egrp Etc2 Etcsm+ Etcsm- Evap canister purge valve (at rear of engine) G101 (at rear of engine) Iat Ig1etcs Imt + Imt - Knock sensor (left side of engine compt) Lg1 Lsa Op3sw Op4sw Pcs Pgmetcs Powertrain (pcm) control module (right rear of engine compt) Rear a/f sensor (b1, s1) (left side of engine compt) Red Sg2 Sg6 Sha Shb Shc So2shtc b1 So2shtc b2 Starting/ charging system Vcc2 Vcc6 Vlblb1 Vlblb2 Vtec solenoid valve (at front of engine, on oil pump housing extension) Vts
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Back-up Lamps Wiring Diagram for Honda Ridgeline RTL 2008: 23 (at rear of engine) g101 (left side of cargo area) g601 (right side of cargo area) g602 Atp-r Back lt Backup lights diode (under middle of dash) C30 Fuse 21 7.5a Gauge control module Hot in on or start Ig1 J/c c105 (right rear of engine compartment) Left back-up light Left taillight assembly Micu P20 Pcm (right rear of engine compartment) Q10 Right back-up light Right taillight assembly Trailer connector Transmission range switch (on transmission housing) Under-dash fuse/relay box (at left kick panel) Exterior Lamps & Trailer Connector Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008 List of elements for Exterior Lamps & Trailer Connector Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008: 73 (behind upper left end of dash) (not used) 1-brake 2-tail B-can Cargo area light relay (behind left side of dash) Cargo lt rly Combination light switch Combination switch control unit D11 D17 F10 F12 Fuse 1 7.5a Fuse 21 7.5a Fuse 30 7.5a Fuse 7 7.5a G401 G403 (at left end of dash) G501 (under center console) G601 (left side of cargo area) G602 (right side of cargo area) Haz sw Hazard warning switch Hazard warning switch light Head Headlight switch Hot at all times Hot in on or start Ig1 In-bed trunk lid actuator/ latch switch (in-bed trunk lid) In-bed trunk lid latch switch Interior lights & navigation systems Interior lights system Left brake light/ taillight Left license plate light Left rear turn signal light Left taillight assembly Lt sw cargo p4 Micu N17 N20 N26 N27 N31 N33 N42 N45 Off P22 P28 Park Red Right brake light/ taillight Right license plate light Right rear turn signal light Right taillight assembly Sg-1 Stop sw Sw tailgate q11 Sw trunk q7 Tailgate switch (right rear of cargo area) Turn l Turn r Turn signal light switch Turn signal/ hazard relay Under-dash fuse/ relay box (at left kick panel) Vbu Wiper/washer switch X18 X23 X27 X34 X35 Exterior Lamps & Trailer Connector Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008 List of elements for Exterior Lamps & Trailer Connector Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008: 39 1-turn 2-side A10 Brake pedal position switch (at top of brake pedal arm) C10 C15 C19 Cargo area light switch Cargo area lights on indicator Cargo area switch light Control block D9 red Fuse 13 20a Fuse 16 15a Fuse 4 15a G201 (behind right headlight) G202 (right rear of engine compt) G301 (left front of engine compartment) G401 (behind upper left end of dash) G402 (at right side of dash) G551 (rear of roof) G601 (left side of cargo area) G602 (right side of cargo area) Gauge control module High mount brake light Hot at all times Interior lights system Left cargo area light 1 Left cargo area light 2 Left front turn signal/ side marker light Left turn signal indicator Pcm (right rear of engine compt) Red Relay control module Right cargo area light 1 Right cargo area light 2 Right front turn signal/ side marker light Right turn signal indicator Taillight relay Under-hood fuse/relay box (right rear of engine compt) Exterior Lamps & Trailer Connector Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008 List of elements for Exterior Lamps & Trailer Connector Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008: 43 (at rear of engine) g101 (if equipped) (if equipped) (behind left side of dash) (if equipped) (behind middle of rear bumper) (if equipped) (under left side of dash) (under left rear of vehicle) +batt Atp-r Auxiliary under-hood fuse box (left rear of engine compartment) Back-up lights relay (under left side of dash) Backup lights diode (under middle of dash) C30 Elec brake Electric brake switch Fuse 1 20a Fuse 21 7.5a Fuse 6 20a Fuse 7 20a Fuse 8 20a Fuse 9 20a G401 (behind upper left end of dash) G402 (right side of dash) G601 (left side of cargo area) Gauge control module Gnd Hot at all times Hot in on or start Interior lights system J/c c105 (right rear of engine compartment) J/c c679 Micu P20 Pcm (right rear of engine compartment) Red Stop sw Trailer connector 1 Trailer connector 2 Trailer lighting control unit Trailer lighting relay 1 Trailer lighting relay 2 Transmission range switch (on transmission housing) Under-dash fuse/relay box (at left kick panel) X34
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 5) for Honda Ridgeline RTL 2008 List of elements for Ground Distribution Wiring Diagram (1 of 5) for Honda Ridgeline RTL 2008: 41 A/t clutch pressure solenoid valve a A/t clutch pressure solenoid valve b A/t clutch pressure solenoid valve c Auxiliary under-hood relay box (right rear of engine compt) B36 B43 Battery Braided wire C40 Ckp sensors (a & b) Cmp sensor Egr valve & egr valve position sensor Engine Fan control relay Front a/f sensor shield and front secondary ho2s shield G1 (left front of engine compt) G101 (at rear of engine) G102 (right front of engine, near power steering pump) G2 (right side of engine compt) G201 (behind right headlight) Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 J/c c103 (middle of engine comp) J/c c104 (middle of engine comp) Knock sensor shield Pcm Radiator fan motor Rear a/f sensor shield and rear secondary ho2s shield Right front turn signal/ side marker light Right headlight (usa) Rocker arm oil pressure switch (vtec oil pressure switch) Security hood switch (ex-l, rts, rtl) Tp sensor/ throttle actuator shield Trans- mission range switch Transmission Washer fluid level switch Windshield washer motor Ground Distribution Wiring Diagram (2 of 5) for Honda Ridgeline RTL 2008 List of elements for Ground Distribution Wiring Diagram (2 of 5) for Honda Ridgeline RTL 2008: 52 (not used) A/c pressure switch A20 A22 A23 Audio unit Blower motor relay Brake fluid level switch C639 option connector Control block Door multiplex control unit Driver's door key cylinder switch Driver's door lock knob switch Driver's power window motor Driver's vanity mirror light (2007) E14 Eld unit Electrical compass unit (rtl, ex-l) Front passenger's vanity mirror light Fuel tank unit G202 (right rear of engine compt) G301 (left front of engine compt) G302 (behind left side of front bumper) G401 (behind upper left end of dash) G403 (at left end of dash) G404 (behind glove box) G405 (under middle of dash) G502 (behind rear seat) G551 (rear of roof) High mount brake light J10 Left front turn signal/ side marker light Left headlight Micu Moonroof close relay Moonroof open relay N17 N18 N42 Power window master switch Psp switch Rear accessory power socket relay Roof console Seat heater relay (rtl, ex-l) Sg-1 Srs unit Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (right rear of engine compt) Vsa modulator control unit Washer motor relay Windshield wiper motor Wiper/ washer switch Ground Distribution Wiring Diagram (3 of 5) for Honda Ridgeline RTL 2008 List of elements for Ground Distribution Wiring Diagram (3 of 5) for Honda Ridgeline RTL 2008: 47 A10 Blower power transistor Brake light noise condenser C10 C498 option connector Cargo area light switch Climate control unit Cruise control main switch D3 switch Dlc Driver's accessory power socket Driver's seat heater switch Drl relay Front accessory power socket relay Front passenger's accessory power socket Front passenger's door lock knob switch Front passenger's power window switch/ door lock switch Front passenger's seat heater switch G401 (behind upper left end of dash) G402 (at right side of dash) Gauge control module Gauge control unit Glove box light Heated windshield wiper area defogger Heater control unit- panel Ignition key switch/ key light Interior light switch Low beam cut relay Mes connector Moonroof switch (ex-l, rtl) Navigaton display unit Park pin switch Right power mirror Rtl, ex-l, lx Rts rtl, ex-l Rts, rtl ex-l, lx Rts, rtl, ex-l Rtx Rtx, ex-l Rtx, rt, lx Select/ reset switch Tpms control unit Trailer lighting control unit Trailer lighting relay 1 (rtx) Trailer lighting relay 2 Under-dash fuse/relay box (at left kick panel) Vsa off switch Ground Distribution Wiring Diagram (4 of 5) for Honda Ridgeline RTL 2008 List of elements for Ground Distribution Wiring Diagram (4 of 5) for Honda Ridgeline RTL 2008: 37 (2006) (2007) 2007 rt, rtx, lx b A10 A11 B12 Back window switch D12 Driver's lumbar support switch (rtl, ex-l) Driver's multiplex control unit Driver's power seat adjustment switch (rts. rtl, ex-l) Driver's seat belt switch Driver's seat heater Except 2007 rt, rtx, lx a Front passenger's seat belt switch Front passenger's seat heater G501 (under center console) Left power mirror Left rear door lock knob switch Left rear power window switch Micu gnd Micu service check connector Navigaton unit Opds unit Pg1 Power mirror switch Power window master switch Rear accessory power socket Right rear door lock knob switch Right rear power window switch Rtl, ex-l Rtl, rts, ex-l Rtl: moonroof Turn signal/ hazard relay Under-dash fuse/relay box (at left kick panel) Vtm-4 control unit Xm receiver Ground Distribution Wiring Diagram (5 of 5) for Honda Ridgeline RTL 2008 List of elements for Ground Distribution Wiring Diagram (5 of 5) for Honda Ridgeline RTL 2008: 25 Back window position switch G601 (left side of cargo area) G602 (right side of cargo area) In-bed trunk lid actuator/ latch switch In-bed trunk lid handle switch In-bed trunk lid key cylinder switch (rts, rtl, ex-l) Left back-up light Left brake light/ taillight Left cargo area light 1 Left cargo area light 2 Left license plate light Left rear turn signal light Left taillight assembly Rear differential Right back-up light Right brake light/ taillight Right cargo area light 1 Right cargo area light 2 Right license plate light Right rear turn signal light Right taillight assembly Rtx Tailgate switch Trailer connector 1 Trailer connector 2
HEADLIGHTS Headlights Wiring Diagram, with DRL for Honda Ridgeline RTL 2008 List of elements for Headlights Wiring Diagram, with DRL for Honda Ridgeline RTL 2008: 64 (not used) (under center console) g501 B-can Combination light switch Combination switch control unit Control block D11 D14 Day lt Dimmer switch Drl relay (under left side of dash) Eld unit Fog light relay (if equipped) (right front of engine compt) Fog light switch (if equipped) Fog light switch light Fuse 10a Fuse 120a Fuse 7.5a G20 (right side of engine compt) G202 (right rear of engine compt) G301 (left front of engine compt) G401 (behind upper left end of dash) G403 (at left end of dash) Gauge control module H10 H16 H17 H18 Headlight switch High High beam headlight relay Hot at all times Hot in on or start Ig1 Instrument cluster system Interior lights system J10 Left fog light Left headlight Low Low beam cut relay (under left side of dash) Low beam headlight relay Micu Micu gnd Multi fuse 22 120a N17 N28 N42 Off On ind Parking brake switch (top of parking brake pedal) Pass Red Relay control module Right fog light Right headlight Sg-1 Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (right rear of engine compt) Vbu Wiper/washer switch X27 X34 X35 Headlights Wiring Diagram, without DRL for Honda Ridgeline RTL 2008 List of elements for Headlights Wiring Diagram, without DRL for Honda Ridgeline RTL 2008: 56 (not used) B-can Combination light switch Combination switch control unit Control block D11 Dimmer switch Eld unit Fog light relay (if equipped) (right front of engine compt) Fog light switch (if equipped) Fog light switch light Fuse 10a Fuse 120a Fuse 7.5a G20 (right side of engine compt) G201 (behind right headlight) G202 (right rear of engine compt) G301 (left front of engine compt) G401 (behind upper left end of dash) G403 (at left end of dash) G501 (under center console) H16 H17 H18 Headlight switch High High beam headlight relay Hot at all times Hot in on or start Ig1 Interior lights system J10 Left fog light Left headlight Low Low beam headlight relay Micu Micu gnd Multi fuse 22 120a N17 N42 Off On ind Pass Red Relay control module Right fog light Right headlight Sg-1 Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (right rear of engine compt) Vbu Wiper/washer switch X27 X34 X35
HORN Horn Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Horn Wiring Diagram for Honda Ridgeline RTL 2008: 14 Cable reel Control block Cruise control set/ resume/ cancel switch Fuse 13 20a High horn (behind front bumper) Horn relay Horn switch Hot at all times Low horn (behind front bumper) Nca Red Relay control module Steering wheel Under-hood fuse/relay box (at right rear of engine compartment)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008: 74 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 Anti-theft system B-can B10 B11 B12 B13 B14 Back window open ind Beeper Body controller network transceiver C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 Cargo area lights on ind Cruise control system D11 Drive circuit Engine coolant temperature gauge Exterior lights system Fast controller network transceiver Fuel gauge Fuel gauge sending unit Fuel tank unit (under rear seat) Fuse 1 7.5a Fuse 32 7.5a Fuse 7 7.5a G401 (behind upper left end of dash) G402 (at right side of dash) Gauge control module High beam ind Hot at all times Hot in acc or on Hot in on or start Interior lights system Lcd back light Lcd brightness control and dimming circuit Left turn signal ind Micu Multi-information display unit N28 N36 Oil pressure switch (lower right front of engine) Pnk Pointer brightness control and dimming circuit Red Right turn signal ind Speedometer Tachometer To pin b11 (diagram 2 of 2) To srs ind (diagram 2 of 2) Trans- mission system Under-dash fuse/relay box (at left kick panel) Vsa off switch (left side of dash) X34 X35 Instrument Cluster Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008: 69 A/t gear pos ind drive circuit A/t gear position indicator/ cruise control dimming circuit A/t temp ind A11 A12 A13 A14 A20 A36 Abs ind B11 Back window position switch (bottom of rear window) Brake fluid level switch (next to brake fluid reservoir) Brake system ind C16 C17 C18 Can-h Can-l Charging system ind Circuit drive Control block Control ind Cruise D18 Drive circuit Drl ind (canada) Fail safe circuit From left turn signal ind (diagram 1 of 2) From pin a8 (diagram 1 of 2) G201 (behind right headlight) G301 (left front of engine compt) G402 (right side of dash) G601 (left side of cargo area) Gauge control module Immobilizer control unit receiver (in steering column, on ignition key cylinder) Immobilizer system ind In-bed trunk open ind J/c c451 (under middle of dash) Lights on ind Low fuel ind Low oil pressure ind Low tire pressure ind Maintenance required ind Mil ind Ods unit (left side of front passenger's seat back) Parking brake switch (at top of parking brake pedal) Pcm (right rear of engine compt) Pnk Red Relay control module Reset switch Roof console Seat belt reminder ind Select switch Select/ reset switch Side airbag cut-off ind Srs ind Srs ind circuit Srs unit (behind lower center of dash) Tpms ind Under-hood fuse/relay box (right rear of engine compt) Vsa activation ind Vsa system ind Vtm-4 control unit (behind right kick panel) Vtm-4 ind Warning drive circuit Washer fluid level ind Washer fluid level switch (on washer fluid reservoir)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Courtesy Lamps Wiring Diagram for Honda Ridgeline RTL 2008: 41 Ceiling light Console box light 1 Courtesy lt as Courtesy lt dr Courtesy lt lr Courtesy lt rr Door Driver's door courtesy light Driver's door switch (on left "b" pillar) Driver's vanity mirror light Drswas Drswdr Drswra Drswrd E14 E15 Front individual map lights Front passenger's door courtesy light Front passenger's door switch (on right "b" pillar) Front passenger's vanity mirror light Fuse 6 10a G401 (behind upper left end of dash) G402 (at right side of dash) H12 H13 Hot at all times Interior light switch Intrlt Left Left rear door courtesy light Left rear door switch (on left "c" pillar) Micu N15 Off Option connector P30 Red Right Right rear door courtesy light Right rear door switch (on right "c" pillar) Under-dash fuse/relay box (at left kick panel) Entry Light Timer Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Entry Light Timer Wiring Diagram for Honda Ridgeline RTL 2008: 58 (at left end of dash) g403 (behind upper left end of dash) (near ignition key cylinder) ignition key switch/ key light (under center console) g501 Anti-theft system (canada) B-can Ceiling light Console box light 1 Courtesy lamps circuit Door Door multiplex control unit Driver's door key cylinder switch (in driver's door) Driver's door lock knob switch (at rear of driver's door) Driver's door switch (on left "b" pillar) Drswas Drswdr Drswra Drswrd E14 E15 Front individual map lights Front passenger's door switch (on right "b" pillar) Fuse 6 7.5a Fuse 7 7.5a Fuse 7.5a G401 G401 (behind upper left end of dash) Gnd H12 H13 Hot at all times Hot in on or start Ig key lt Ig key sw Ig1 Ignition key light Ignition key switch Interior light switch Intr lt Key lock Key unlock Keyless receiver antenna Knob lock Knob unlock Left Left rear door switch (on left "c" pillar) Lock Micu Off P13 Power window master switch Right Right rear door switch (on right "c" pillar) Sg-1 T1 option connector Under-dash fuse/relay box (at left kick panel) Unlock X35 Instrument Illumination Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Honda Ridgeline RTL 2008: 53 (behind upper left end of dash) g401 A10 A19 A20 B-can C10 C20 Cancel switch Combination light switch Combination switch control unit Control block Controller D11 Dash lights brightness controller Fuse 15a Fuse 21 7.5a Fuse 7 7.5a G202 (right rear of engine compt) G401 (behind upper left end of dash) G402 (at right side of dash) Gauge control module H15 Headlight switch 0) off 1) park 2) head Hot at all times Hot in on or start Ig1 J10 J13 J19 Micu N17 N21 N28 N30 N31 N34 N37 N38 N42 N44 Power mirror switch Red Relay control module Taillight relay Transceiver area network body controller Under-dash fuse/relay box (at left kick panel) Under-hood fuse relay box (right rear of engine compartment) Vbu Wiper/washer switch X27 X28 X34 X35 Instrument Illumination Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008: 35 A11 A12 A19 Audio unit Cable reel Cargo area light switch Climate control unit Combination light switch Console box light 2 Cruise control main switch Cruise control set/resume/ cancel switch Dash lights brightness controller Driver's seat heater switch (if equipped) Exterior lights system Front passenger's seat heater switch (if equipped) G402 (at right side of dash) G501 (under center console) Glove box light Hazard warning switch Heater control unit- panel Interior light switch Moon- roof switch Navi- gation display unit (if equipped) Navigation unit (if equipped) Radio remote switch (if equipped) Red Roof console Rts, rtl, ex-l Rtx, rt, lx Select/ reset switch Steering wheel Trailer lighting control unit connector Voice control switch (if equipped) Vsa off switch Vtm-4 lock switch
NAVIGATION Compass Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Compass Wiring Diagram for Honda Ridgeline RTL 2008: 5 Electrical compass unit Fuse 7.5a G401 (behind upper left end of dash) Hot at all times Under-dash fuse/relay box (at left kick panel) Navigation Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008 List of elements for Navigation Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008: 77 (at rear of engine) Ac-ck Ac-si Ac-so Acc Ampli- fier Atp-r B sig Back Back lt C sig Cable reel Cam adpt Cam gnd Cam sh Cam vcc Camera adpt Camera gnd Camera sh Camera vcc Climate control unit Control Diag (+) Diag (-) Ecu bus (+) Ecu bus (-) Ecu bus sh Ecu bus(+) Ecu bus(-) Exterior lights system G sig G101 G501 (under center console) Gnd Gps Gps antenna Gps sh Ill(+) Instrument cluster system Interior Interior lights system J/c c105 (right rear of engine compartment) Lights system Mic gnd Mic sh Mic sig(+) Microphone Micu Navigation service check connector (under driver's seat) Navigation unit (under driver's seat) P20 P27 Pcm (right rear of engine compartment) Pnk Q10 R sig Rd sw Rearview camera (right side of tailgate) Red Rg gnd Rg l(+) Rg sh Roof console Sig gnd Sig sh Steering wheel Strg sw Switch Talk Trans- mission range switch (on trans- mission housing) Under-dash fuse/relay box (at left kick panel) Vid gnd Video Video gnd Voice Vsp Vssout Navigation Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008 List of elements for Navigation Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008: 78 +b ga-net +b ga-net2 Acc Aud bus (+) Aud bus (-) Aud bus sh Aud bus shd Aud l (+) Aud l (-) Aud r (+) Aud r (-) Aud sh Aud2 bus (+) Aud2 bus (-) Aud2 bus shd Aud2 l (+) Aud2 l (-) Aud2 r (+) Aud2 r (-) Aud2 sh Audio bus sh Audio bus(+) Audio bus(-) Audio unit Aux det Aux gnd Auxiliary jack assembly (right side of dash) B sig Bus (+) Bus (-) Bus sh C sig Cd changer Cd eject Disp open Ecu bus sh Ecu bus(+) Ecu bus(-) Fuse 7 7.5a G sig G402 (at right side of dash) G501 (under center console) Ga-net acc Ga-net gnd Ga-net il ctl Ga-net ill Ga-net2 acc Ga-net2 gnd Gnd Hot at all times Ill (+) Ill (-) Ill+ Ill- Interior L ch Lights system Navigation display unit Pnk R ch R sig Red S gnd S-ant Sat signal Scty Scty2 Scty5 Shd gnd Sig gnd Sig sh System acc T-ant Terr signal Under-dash fuse/relay box (at left kick panel) X35 Xm antenna (at rear of roof) Xm receiver (behind right side of rear seat) Navigation Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008 List of elements for Navigation Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008: 55 Acc Am/fm antenna amplifier (rear of roof) Ant +b Antenna module unit Antenna output Audio unit B11 B12 Battery in (+b) C11 C12 Cable reel Channel down switch Channel up switch Driver's door speaker Fr l spkr (+) Fr l spkr (-) Fr r spkr (+) Fr r spkr (-) Front passenger's door speaker Fuse 32 7.5a Fuse 5 10a G404 (behind glove box) Gnd Hot at all times Hot in acc or on Illum (+) Illum (-) Interior lights system J/c c452 (under middle of dash) Left rear door speaker Left tweeter Mode switch Power input Radio remote switch Red Remote ctrl Remote gnd Rg gnd Rg l (+) Right rear door speaker Right tweeter Rr l spkr (+) Rr l spkr (-) Rr r spkr (+) Rr r spkr (-) Scty Shield Shield (am/fm) Sig Steering wheel Subwoofer (if equipped) Under-dash fuse/relay box (at left kick panel) Volume down switch Volume up switch Parking Assistant Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Parking Assistant Wiring Diagram for Honda Ridgeline RTL 2008: 27 (left side of dash) Atp- r Back lt Back-up sensor beeper assembly (under middle of dash) Back-up sensor beeper switch Back-up sensor control unit (behind left side of rear seat) Back-up sensor in-line fuse (behind left kick panel) Back-up sensor tailgate switch (right side of tailgate) Exterior lights system Fuse 7.5a G101 (at rear of engine) G420 (behind left kick panel) Hot in on or start Ig1 J/c c105 (right rear of engine compartment) Left corner back-up sensor Left middle back-up sensor Micu On indicator P20 Q10 Red Right corner back-up sensor Right middle back-up sensor Transmission range switch (on transmission housing) Transmissions system Under-dash fuse/relay box (at left kick panel)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 5) for Honda Ridgeline RTL 2008 List of elements for Power Distribution Wiring Diagram (1 of 5) for Honda Ridgeline RTL 2008: 53 (at right rear of engine compartment) under-hood fuse/relay box (not used) 120a 40a A/c compressor clutch relay A/c condenser fan relay Alternator Auxiliary under-hood relay box (left rear of engine compt) Back-up lights relay Battery C498 (honda accessory) Cigarette lighter Driver's accesory power socket Eld unit Engine controls system Etcs control From under- dash fuse/ d Front accessory power socket relay (behind left side of dash) Front passenger's accesory power socket Fuse (not used) Fuse 15a Fuse 20a Fuse 20a (rtx) Fuse 30a Fuse 40a Fuse 7.5a Fuse 7.5a (rtx) G202 (right rear of engine compt) G401 (behind upper left end of dash) G402 (at right side of dash) Moonroof close relay (w/ rtl & ex-l) Moonroof open relay (w/ rtl & ex-l) Multi- fuse 22 Radiator fan relay Relay Relay box (diagram 4 of 5) Seat heater relay Starter Starter solenoid T101 T102 To fuse 32 (diagram 5 of 5) To under- dash fuse/ relay box (diagram 2 of 5) To under- dash fuse/ relay box (diagram 5 of 5) To under- hood fuse/ relay box (diagram 2 of 5) To under- hood fuse/ relay box (diagram 3 of 5) To under-hood fuse/relay box (fuse 16) (diagram 2 of 5) Tpms control unit Trailer lighting control unit (rtx) Trailer lighting relay 1 (rtx) Trailer lighting relay 2 (rtx) Vsa modulator- control unit Vtm-4 relay Power Distribution Wiring Diagram (2 of 5) for Honda Ridgeline RTL 2008 List of elements for Power Distribution Wiring Diagram (2 of 5) for Honda Ridgeline RTL 2008: 40 (at left kick panel) under-dash fuse/relay box (at right rear of engine compartment) under-hood fuse/relay box (not used) (w/ rts, rtl & ex-l) A/f sensor relay Brake pedal position switch Cargo area light relay D14 D17 Day lt Driver's lumbar support switch Driver's power seat adjustment switch Drl relay (canada) F11 F13 From under- hood fuse/ c From under- hood fuse/ g From under-hood fuse/relay box (diagram 1 of 5) Fuse (not used) Fuse 10a Fuse 15a Fuse 20a Fuse 40a Fuse 7.5a Hazard warning switch High beam headlight relay Horn relay Ignition coil relay Low beam headlight relay Micu N40 N45 Red Relay box (diagram 1 of 5) Relay control module Taillight relay Turn signal/ hazard relay X12 X23 X26 Power Distribution Wiring Diagram (3 of 5) for Honda Ridgeline RTL 2008 List of elements for Power Distribution Wiring Diagram (3 of 5) for Honda Ridgeline RTL 2008: 66 (at left kick panel) under-dash fuse/relay box (at right rear of engine compartment) under-hood fuse/relay box (not used) (rtl, rts & ex-l) (w/ rtl) xm receiver +b door lock 50a A10 A19 Audio unit Blower motor relay Ceiling light Combination switch control unit Console box light 1 Control block D10 D12 Dlc Driver's accesory power socket Driver's door courtesy light Driver's vanity mirror light F13 From under- hood fuse/ e From under- hood fuse/ f Front individual map lights Front passenger's door courtesy light Front passenger's vanity mirror light Fuse Fuse (not used) Fuse 10a Fuse 15a Fuse 20a Fuse 40a Fuse 7.5a G401 (behind upper left end of dash) G501 (under center console) Gauge control module Heated windshield Ignition key switch/key light Immobilizer control unit- receiver Imoes unit (2007-08 canada & 2008 usa) Left rear door courtesy light Micu Multi- fuse 23 N10 N11 N15 N42 Navigation display unit (rtl & ex-l) Navigation unit (rtl & ex-l) Pgm-fi main relay 1 Power window master switch Rear accessory power socket relay Relay box (diagram 1 of 5) Relay control module Right rear door courtesy light Roof console Security indicator To fuse 32 (diagram 5 of 5) To under- dash fuse/ relay box (diagram 4 of 5) To under- dash fuse/ relay box (diagram 5 of 5) Vbu Wiper area relay Wiper/washer switch X22 X35 Power Distribution Wiring Diagram (4 of 5) for Honda Ridgeline RTL 2008 List of elements for Power Distribution Wiring Diagram (4 of 5) for Honda Ridgeline RTL 2008: 55 (at left kick panel) under-dash fuse/relay box (at right rear of engine compartment) under-hood fuse/relay box (middle of engine compt) j/c c104 (not used) A/c compressor clutch relay A20 Alternator Back window switch Blower motor relay Brake pedal position switch Combination switch control unit Control block Cruise control main switch Dash lights brightness controller E16 Evap canister purge valve Fr def sw From under- dash fuse/ relay box (diagram 4 of 5) From under- dash fuse/ relay box (diagram 5 of 5) From under- hood fuse/ relay box (diagram 3 of 5) Front passenger's power window switch/door lock switch Fuse (not used) Fuse 15a Fuse 20a Fuse 7.5a Gauge control module H11 Heated windshield wiper area relay Ig1 Intermittent wiper relay Left rear power window switch Micu N12 N29 P23 Pcm Power window master switch Power window relay Relay control module Right rear power window switch Seat heater relay Shift lock solenoid To under- dash fuse/ relay box (diagram 5 of 5) To under- hood fuse/ relay box (diagram 1 of 5) To under- hood fuse/ relay box (diagram 4 of 5) Vtm-4 control unit Vtm-4 relay Washer motor relay Windsheild wiper motor Wiper/washer switch X14 X24 X34 X37 X39 Power Distribution Wiring Diagram (5 of 5) for Honda Ridgeline RTL 2008 List of elements for Power Distribution Wiring Diagram (5 of 5) for Honda Ridgeline RTL 2008: 72 (diagram 4 of 5) (not used) (option connector) (rtl & ex-l) (w/ rtl, lx, ex-l) A/c condenser fan relay A/c diode assembly A17 A18 Acc Audio unit Auxiliary under-hood relay box (left rear of engine compt) B37 Back-up lights relay (rtx) C639 (option connector) Climate control unit (w/ rts, rtl & ex-l) Combination light switch Electrical compass unit (w/ rtl & ex-l) Fan control relay From front accessory power socket relay (diagram 1 of 5) From rear accessory power socket relay (diagram 3 of 5) From starter solenoid (in starter) (diagram 1 of 5) From under- dash fuse/ relay box (diagram 4 of 5) From under- hood fuse/ relay box (diagram 3 of 5) Front passenger's power window switch/door lock switch Fuse (not used) Fuse 10a Fuse 15a Fuse 2a (honda accessory) Fuse 30a Fuse 7.5a Gauge control module Hazard warning switch Heater control unit- panel (w/ rt & lx & rtx) Ignition key switch/key light Ignition switch Immobilizer control unit- receiver Imoes unit (2007-08 canada & 2008 usa) Lock Micu N20 N36 N38 N39 N41 N44 Navigation display unit Navigation unit Opds unit Pcm Pgm-f1 main relay 2 Power mirror switch Recir- culation control motor Srs unit Start Starter cut relay Steering angle sensor To under- dash fuse/ relay box To under- hood fuse/ relay box (diagram 4 of 5) Tpms control unit Trailer lighting relay 1 (rtx) Transmission range switch Under- dash fuse/ relay box (at left kick panel) Under-dash fuse/relay box (at left kick panel) Vsa modulator control unit Vtm-4 lock switch X16 X17 X20 X33 X38 Yaw rate- lateral accele- ration sensor
POWER DOOR LOCKS Power Door Locks Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008 List of elements for Power Door Locks Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008: 76 (2007-08 canada & 2008 usa) (driver's door) (left end of dash) (not used) (rts. rtl, ex-l) (under center console) 20a 7.5a A19 As unlock B-can Body controller area network transceiver C10 D/l lock D11 Door lock switch Dr unlock Driver's door switch (on left "b" pillar) Drswas Drswdr Drswra Drswrd E10 E14 E15 Front passenger's door lock knob switch (rts. rtl, ex-l) (at rear of front passenger's door) Front passenger's door switch (on right "b" pillar) Front passenger's power window switch/door lock switch Fuse 21 Fuse 33 Fuse 7 Fuse 8 G401 (behind upper left end of dash) G402 (at right side of dash) G403 G501 G501 (under center console) Gauge control module Gnd H10 H12 H13 Hot at all times Hot in on or start Ig1 Ignition key switch Ignition key switch/key light (near ignition key cylinder) Immobilizer circuit J14 K11 K12 Left rear door switch (on left "c" pillar) Lock Micu N28 P1 sg-1 P13 ig key sw P25 rem as lock P27 scty in P29 sil as unlock P9 rem as unlock Q11 tailgate sw Q12 trunk handle sw Q2 sil ra unlock Q3 sil rd unlock Q4 trunk unlock Right rear door switch (on right "c" pillar) Rts. rtl, ex-l Security indicator Trunk act Trunk sw Under-dash fuse/relay box (at left kick panel) Unlock Vbu X34 X35 Power Door Locks Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008 List of elements for Power Door Locks Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008: 47 (in driver's door) driver's door key cylinder switch (in driver's door) driver's door lock knob switch (rts, rtl, ex-l) 15a 20a 7.5a A18 Audio unit Cd changer Control block Door lock switch Door multiplex control unit Except navigation Fuse 13 Fuse 4 Fuse 7 G201 (behind right headlight) G401 (behind upper left end of dash) G501 (under center console) H14 H15 High horn Horn relay Horns system Hot at all times Ign Interior lights system Key lock Key unlock Keyless receiver antenna Knob lock Knob unlock Left rear door lock knob switch (rts, rtl, ex-l) (in rear of left rear door) Lock Low horn Navigation Pg1 Power window master switch Relay control module Right rear door lock actuator (in rear of right rear door) Right rear door lock knob switch (rts, rtl, ex-l) (in rear of right rear door) Security hood switch (rts, rtl, ex-l) (center front of engine compartment) Sgnd Taillight relay Under-hood fuse/relay box (right rear of engine compartment) Unlock Vbu Power Door Locks Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008 List of elements for Power Door Locks Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008: 20 (if equipped) (rts, rtl, ex-l) Actuator Driver's door lock actuator (at rear of driver's door) Front passenger's door lock actuator (at rear of front passenger's door) G51 G601 (left side of cargo area) G602 (right side of cargo area) In-bed trunk lid actuator/ latch switch (in-bed trunk lid) In-bed trunk lid handle switch (in-bed trunk lid) In-bed trunk lid key cylinder switch (rts, rtl, ex-l) (in-bed trunk lid) In-bed trunk lid main switch (in glove box) Left rear door lock actuator (in rear of left rear door) Mic Microphone Nca Security control unit (under left side of dash) Security indicator (in steering column cover) Switch Tailgate switch (right rear of cargo area)
POWER MIRRORS Auto Dimming Rear View Mirror Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Auto Dimming Rear View Mirror Wiring Diagram for Honda Ridgeline RTL 2008: 16 Atp-r Automatic dimming inside mirror Back lt Exterior lights, navigation systems Fuse 7.5a G101 (at rear of engine) G401 (behind upper left end of dash) Hot in on or start J/c c105 (right rear of engine compartment) Micu Navigation system P20 Q10 Transmission range switch (on transmission housing) Transmissions system Under-dash fuse/relay box (at left kick panel) Power Mirrors Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Power Mirrors Wiring Diagram for Honda Ridgeline RTL 2008: 25 (at right side of dash) g402 (under center console) g501 Defogger Down Fuse 30 7.5a Hot in on Interior lights system J10 J11 J12 J21 Left Left power mirror Left/right motor Left/right switch Mirror defogger switch (if equipped) Mirror selection switch Power mirror switch Red Right Right power mirror Under-dash fuse/relay box (at left kick panel) Up/down motor Up/down switch X21
POWER SEATS Heated Seats Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Heated Seats Wiring Diagram for Honda Ridgeline RTL 2008: 26 (at right side of dash) g402 Back heater Circuit breaker Cushion heater Driver's seat heater (in driver's seat) Driver's seat heater switch E14 F14 Front passenger's seat heater (under front passenger's seat) Front passenger's seat heater switch Fuse 11 15a Fuse 30 7.5a G202 (right rear of engine compartment) G501 (under center console) High Hot at all times Hot in on Interior lights system Low On indicators Red Seat heater relay Seat heater switch light Thermostat Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (at right rear of engine compartment) Power Seat Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Power Seat Wiring Diagram for Honda Ridgeline RTL 2008: 21 (not used) Backward Down Driver's lumbar support motor (in driver's seat back) Driver's lumbar support switch Driver's power seat adjustment switch Driver's power seat front up- down motor (under driver's seat) Driver's power seat rear up- down motor (in driver's seat) Driver's power seat recline motor (in driver's seat back) Driver's power seat slide motor (under driver's seat) F11 F13 Forward Fuse 13 10a Fuse 14 20a Fuse 16 20a G501 (under center console) Hot at all times Pnk Red Under-dash fuse/relay box (at left kick panel)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Power Top/Sunroof Wiring Diagram for Honda Ridgeline RTL 2008: 34 (behind upper left end of dash) g401 (rear of roof) (rear of roof) moonroof close relay Auxiliary under-hood fuse box (left rear of engine compartment) Close Driver's door switch (on left "b" pillar) Drswas Drswdr E15 Front passenger's door switch (on right "b" pillar) Fuse 11 20a Fuse 21 7.5a Fuse 7 7.5a G401 (behind upper left end of dash) G501 (under center console) H12 Hot at all times Hot in on or start Ig1 Interior lights system Key off timer Micu Moonroof limit switch (rear of roof) Moonroof motor (rear of roof) Moonroof open relay Moonroof switch Moonroof switch light Open P12 Red Tilt Tilt & close Under-dash fuse/ relay box (at left kick panel) Vbu
POWER WINDOWS Power Windows Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008 List of elements for Power Windows Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008: 52 (in driver's door) B-can Door multiplex control unit Down Down+ Driver's power window motor Driver's switch 0) off 1) up 2) down 3) auto down 4) on 5) auto up Driver's switch light E11 Fp down Fp up Front passenger's switch Front passenger's switch light Fuse 20a Fuse 21 7.5a Fuse 24 20a Fuse 25 20a Fuse 26 20a Fuse 27 20a Fuse 7 7.5a G401 (behind upper left end of dash) G501 (under center console) H11 Hot at all times Hot in on or start Ig1 J15 J16 J18 Left rear switch Left rear switch light Main switch Micu N12 N19 Off Pg1 Pls a Pls b Power window master switch Power window relay Pulser Right rear switch Right rear switch light Rts, rtl, ex-l Sgnd Svcc Under-dash fuse/relay box (at left kick panel) Up+ Vbu X14 X35 Power Windows Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008 List of elements for Power Windows Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008: 11 Down Front passenger's power window motor (in front passenger's door) Front passenger's power window switch/ door lock switch G402 (at right side of dash) G501 (under center console) Left rear power window motor (in left rear door) Left rear power window switch Off Red Right rear power window motor (in right rear door) Right rear power window switch Power Windows Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008 List of elements for Power Windows Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008: 14 A19 Back window motor (behind right side of rear seat) Back window open Back window position switch (at bottom of rear window) Back window switch C10 Close G402 (at right side of dash) G501 (under center console) G601 (left side of cargo area) Gauge control module Indicator Off Open
RADIO Music Link Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Music Link Wiring Diagram for Honda Ridgeline RTL 2008: 22 +b ga-net2 Acc power Aud l (+) Aud l (-) Aud r (+) Aud r (-) Aud sh Audio gnd Audio unit Bus (+) Bus (-) Bus sh Dock rx Dock tx F/w power Ga-net gnd Ga-net system acc Gnd Honda music link unit Music link connector Red Shielded wire Radio Wiring Diagram, Except RTL for Honda Ridgeline RTL 2008 List of elements for Radio Wiring Diagram, Except RTL for Honda Ridgeline RTL 2008: 60 (if equipped) Acc Am/fm antenna amplifier (rear of roof) Ant +b Antenna output Audio unit B11 B12 Battery in (+b) C11 Cable reel Channel down switch Channel up switch Driver's door speaker Fr l spkr (+) Fr l spkr (-) Fr r spkr (+) Fr r spkr (-) Front passenger's door speaker Fuse 32 7.5a Fuse 5 10a G404 (behind glove box) Gnd Hot at all times Hot in acc or on Illum (+) Illum (-) Interior lights system J/c c452 (under middle of dash) K10 Left rear door speaker Left tweeter Micu Mode switch N11 N23 N24 N36 P27 Power input Radio remote switch (if equipped) Red Remote ctrl Remote gnd Right rear door speaker Right tweeter Roof antenna Rr l spkr (+) Rr l spkr (-) Rr r spkr (+) Rr r spkr (-) Scty Shield Shield (am/fm) Sig Steering wheel Subwoofer (if equipped) Under-dash fuse/relay box (at left kick panel) Volume down switch Volume up switch Radio Wiring Diagram, RTL with Navigation (1 of 3) for Honda Ridgeline RTL 2008 List of elements for Radio Wiring Diagram, RTL with Navigation (1 of 3) for Honda Ridgeline RTL 2008: 77 (at rear of engine) Ac-ck Ac-si Ac-so Acc Ampli- fier Atp-r B sig Back Back lt C sig Cable reel Cam adpt Cam gnd Cam sh Cam vcc Camera adpt Camera gnd Camera sh Camera vcc Climate control unit Control Diag (+) Diag (-) Ecu bus (+) Ecu bus (-) Ecu bus sh Ecu bus(+) Ecu bus(-) Exterior lights system G sig G101 G501 (under center console) Gnd Gps Gps antenna Gps sh Ill(+) Instrument cluster system Interior Interior lights system J/c c105 (right rear of engine compartment) Lights system Mic gnd Mic sh Mic sig(+) Microphone Micu Navigation service check connector (under driver's seat) Navigation unit (under driver's seat) P20 P27 Pcm (right rear of engine compartment) Pnk Q10 R sig Rd sw Rearview camera (right side of tailgate) Red Rg gnd Rg l(+) Rg sh Roof console Sig gnd Sig sh Steering wheel Strg sw Switch Talk Trans- mission range switch (on trans- mission housing) Under-dash fuse/relay box (at left kick panel) Vid gnd Video Video gnd Voice Vsp Vssout Radio Wiring Diagram, RTL with Navigation (2 of 3) for Honda Ridgeline RTL 2008 List of elements for Radio Wiring Diagram, RTL with Navigation (2 of 3) for Honda Ridgeline RTL 2008: 78 +b ga-net +b ga-net2 Acc Aud bus (+) Aud bus (-) Aud bus sh Aud bus shd Aud l (+) Aud l (-) Aud r (+) Aud r (-) Aud sh Aud2 bus (+) Aud2 bus (-) Aud2 bus shd Aud2 l (+) Aud2 l (-) Aud2 r (+) Aud2 r (-) Aud2 sh Audio bus sh Audio bus(+) Audio bus(-) Audio unit Aux det Aux gnd Auxiliary jack assembly (right side of dash) B sig Bus (+) Bus (-) Bus sh C sig Cd changer Cd eject Disp open Ecu bus sh Ecu bus(+) Ecu bus(-) Fuse 7 7.5a G sig G402 (at right side of dash) G501 (under center console) Ga-net acc Ga-net gnd Ga-net il ctl Ga-net ill Ga-net2 acc Ga-net2 gnd Gnd Hot at all times Ill (+) Ill (-) Ill+ Ill- Interior L ch Lights system Navigation display unit Pnk R ch R sig Red S gnd S-ant Sat signal Scty Scty2 Scty5 Shd gnd Sig gnd Sig sh System acc T-ant Terr signal Under-dash fuse/relay box (at left kick panel) X35 Xm antenna (at rear of roof) Xm receiver (behind right side of rear seat) Radio Wiring Diagram, RTL with Navigation (3 of 3) for Honda Ridgeline RTL 2008 List of elements for Radio Wiring Diagram, RTL with Navigation (3 of 3) for Honda Ridgeline RTL 2008: 55 Acc Am/fm antenna amplifier (rear of roof) Ant +b Antenna module unit Antenna output Audio unit B11 B12 Battery in (+b) C11 C12 Cable reel Channel down switch Channel up switch Driver's door speaker Fr l spkr (+) Fr l spkr (-) Fr r spkr (+) Fr r spkr (-) Front passenger's door speaker Fuse 32 7.5a Fuse 5 10a G404 (behind glove box) Gnd Hot at all times Hot in acc or on Illum (+) Illum (-) Interior lights system J/c c452 (under middle of dash) Left rear door speaker Left tweeter Mode switch Power input Radio remote switch Red Remote ctrl Remote gnd Rg gnd Rg l (+) Right rear door speaker Right tweeter Rr l spkr (+) Rr l spkr (-) Rr r spkr (+) Rr r spkr (-) Scty Shield Shield (am/fm) Sig Steering wheel Subwoofer (if equipped) Under-dash fuse/relay box (at left kick panel) Volume down switch Volume up switch Radio Wiring Diagram, RTL without Navigation (1 of 2) for Honda Ridgeline RTL 2008 List of elements for Radio Wiring Diagram, RTL without Navigation (1 of 2) for Honda Ridgeline RTL 2008: 59 Acc Am/fm antenna amplifier (rear of roof) Ant +b Antenna output Aud l (+) Aud l (-) Aud sh Aud2 r (+) Aud2 r (-) Audio unit Battery in (+b) Driver's door speaker Ecu bus (+) Ecu bus (-) Ecu bus sh Fr l spkr (+) Fr l spkr (-) Fr r spkr (+) Fr r spkr (-) Front passenger's door speaker Fuse 32 7.5a Fuse 5 10a G404 (behind glove box) Ga-net gnd Ga-net syst acc Gnd Hot at all times Hot in acc or on Illum (+) Illum (-) Interior lights system J/c c452 (under middle of dash) K10 Left rear door speaker Left tweeter Micu N11 N23 N24 N36 P27 Pnk Power input Red Remote ctrl Remote gnd Right rear door speaker Right tweeter Roof antenna Rr l spkr (+) Rr l spkr (-) Rr r spkr (+) Rr r spkr (-) Scty Shield Shield (am/fm) Sig Subwoofer Under-dash fuse/relay box (at left kick panel) Radio Wiring Diagram, RTL without Navigation (2 of 2) for Honda Ridgeline RTL 2008 List of elements for Radio Wiring Diagram, RTL without Navigation (2 of 2) for Honda Ridgeline RTL 2008: 35 Aud l (+) Aud l (-) Aud r (+) Aud r (-) B11 B12 Bus (+) Bus (-) Bus sh C11 C12 Cable reel Channel down switch Channel up switch Fuse 7 7.5a G501 (under center console) Ga-net acc Ga-net gnd Hot at all times Interior lights system Mode switch Pnk Radio remote switch (if equipped) Red S-ant Satellite signal antenna Steering wheel T-ant Terrestrial signal antenna Under-dash fuse/relay box (at left kick panel) Volume down switch Volume up switch X35 Xm antenna (rear of roof) Xm receiver (behind right side of rear seat) (if equipped) Rear Seat Entertainment Wiring Diagram, Except RTL for Honda Ridgeline RTL 2008 List of elements for Rear Seat Entertainment Wiring Diagram, Except RTL for Honda Ridgeline RTL 2008: 70 (if equipped) Acc Am/fm antenna amplifier (rear of roof) Ant +b Antenna output Audio unit B11 B12 Battery in (+b) C11 Cable reel Ceiling light Channel down switch Channel up switch Din term Driver's door speaker Dvd player unit Fm modu- lator Fr l spkr (+) Fr l spkr (-) Fr r spkr (+) Fr r spkr (-) Frequency modulator unit Front passenger's door speaker Fuse 10a Fuse 32 7.5a Fuse 5 10a G404 (behind glove box) Gnd Hot at all times Hot in acc or on I-ves term Illum (+) Illum (-) Interior lights system J/c c452 (under middle of dash) K10 Left Left rear door speaker Left tweeter Micu Mode switch N11 N23 N24 N36 P27 Power input Radio remote switch (if equipped) Red Remote ctrl Remote gnd Right Right rear door speaker Right tweeter Roof antenna Rr l spkr (+) Rr l spkr (-) Rr r spkr (+) Rr r spkr (-) Scty Shield Shield (am/fm) Sig Steering wheel Subwoofer (if equipped) Under-dash fuse/relay box (at left kick panel) Video monitor console Volume down switch Volume up switch Rear Seat Entertainment Wiring Diagram, RTL with Navigation (1 of 3) for Honda Ridgeline RTL 2008 List of elements for Rear Seat Entertainment Wiring Diagram, RTL with Navigation (1 of 3) for Honda Ridgeline RTL 2008: 76 Ac-ck Ac-si Ac-so Acc Ampli- fier Atp-r B sig Back Back lt C sig Cable reel Cam adpt Cam gnd Cam sh Cam vcc Camera adpt Camera gnd Camera sh Camera vcc Climate control unit Control Diag (+) Diag (-) Ecu bus (+) Ecu bus (-) Ecu bus sh Ecu bus(+) Ecu bus(-) Exterior lights system G sig G101 (at rear of engine) G501 (under center console) Gnd Gps Gps antenna Gps sh Ill(+) Instrument cluster system Interior Interior lights system J/c c105 (right rear of engine compartment) Lights system Mic gnd Mic sh Mic sig(+) Microphone Micu Navigation service check connector (under driver's seat) Navigation unit (under driver's seat) P20 P27 Pcm (right rear of engine compartment) Pnk Q10 R sig Rd sw Rearview camera (right side of tailgate) Red Rg gnd Rg l(+) Rg sh Roof console Sig gnd Sig sh Steering wheel Strg sw Switch Talk Trans- mission range switch (on trans- mission housing) Under-dash fuse/relay box (at left kick panel) Vid gnd Video Video gnd Voice Vsp Vssout Rear Seat Entertainment Wiring Diagram, RTL with Navigation (2 of 3) for Honda Ridgeline RTL 2008 List of elements for Rear Seat Entertainment Wiring Diagram, RTL with Navigation (2 of 3) for Honda Ridgeline RTL 2008: 78 +b ga-net +b ga-net2 Acc Aud bus (+) Aud bus (-) Aud bus sh Aud bus shd Aud l (+) Aud l (-) Aud r (+) Aud r (-) Aud sh Aud2 bus (+) Aud2 bus (-) Aud2 bus shd Aud2 l (+) Aud2 l (-) Aud2 r (+) Aud2 r (-) Aud2 sh Audio bus sh Audio bus(+) Audio bus(-) Audio unit Aux det Aux gnd Auxiliary jack assembly (right side of dash) B sig Bus (+) Bus (-) Bus sh C sig Cd changer Cd eject Disp open Ecu bus sh Ecu bus(+) Ecu bus(-) Fuse 7 7.5a G sig G402 (at right side of dash) G501 (under center console) Ga-net acc Ga-net gnd Ga-net il ctl Ga-net ill Ga-net2 acc Ga-net2 gnd Gnd Hot at all times Ill (+) Ill (-) Ill+ Ill- Interior L ch Lights system Navigation display unit Pnk R ch R sig Red S gnd S-ant Sat signal Scty Scty2 Scty5 Shd gnd Sig gnd Sig sh System acc T-ant Terr signal Under-dash fuse/relay box (at left kick panel) X35 Xm antenna (at rear of roof) Xm receiver (behind right side of rear seat) Rear Seat Entertainment Wiring Diagram, RTL with Navigation (3 of 3) for Honda Ridgeline RTL 2008 List of elements for Rear Seat Entertainment Wiring Diagram, RTL with Navigation (3 of 3) for Honda Ridgeline RTL 2008: 65 Acc Am/fm antenna amplifier (rear of roof) Ant +b Antenna module unit Antenna output Audio unit B11 B12 Battery in (+b) C11 C12 Cable reel Ceiling light Channel down switch Channel up switch Din term Driver's door speaker Dvd player unit Fm modu- lator Fr l spkr (+) Fr l spkr (-) Fr r spkr (+) Fr r spkr (-) Frequency modulator unit Front passenger's door speaker Fuse 10a Fuse 5 10a Fuse 7.5a G404 (behind glove box) Gnd Hot at all times Hot in acc or on I-ves term Illum (+) Illum (-) Interior lights system J/c c452 (under middle of dash) Left Left rear door speaker Left tweeter Mode switch Power input Radio remote switch Red Remote ctrl Remote gnd Rg gnd Rg l (+) Right Right rear door speaker Right tweeter Rr l spkr (+) Rr l spkr (-) Rr r spkr (+) Rr r spkr (-) Scty Shield Shield (am/fm) Sig Steering wheel Subwoofer Under-dash fuse/relay box (at left kick panel) Video monitor console Volume down switch Volume up switch Rear Seat Entertainment Wiring Diagram, RTL without Navigation (1 of 2) for Honda Ridgeline RTL 2008 List of elements for Rear Seat Entertainment Wiring Diagram, RTL without Navigation (1 of 2) for Honda Ridgeline RTL 2008: 77 A10 A11 A15 A16 A17 A18 A19 A20 Acc Am/fm antenna amplifier (rear of roof) Ant +b Antenna output Aud l (+) Aud l (-) Aud r (+) Aud r (-) Aud sh Audio unit Battery in (+b) Ceiling light Din term Driver's door speaker Dvd player unit Ecu2 bus (+) Ecu2 bus (-) Ecu2 bus sh Fm modu- lator Fr l spkr (+) Fr l spkr (-) Fr r spkr (+) Fr r spkr (-) Frequency modulator unit Front passenger's door speaker Fuse 32 7.5a Fuse 5 10a Fuse 6 10a G404 (behind glove box) Ga-net acc Ga-net gnd Gnd Hot at all times Hot in acc or on I-ves term Illum (+) Illum (-) Interior lights system J/c c452 (under middle of dash) K10 Left Left rear door speaker Left tweeter Micu N11 N23 N24 N36 P27 Pnk Power input Red Remote ctrl Remote gnd Right Right rear door speaker Right tweeter Roof antenna Rr l spkr (+) Rr l spkr (-) Rr r spkr (+) Rr r spkr (-) Scty Shield Shield (am/fm) Sig Subwoofer Under-dash fuse/relay box (at left kick panel) Video monitor console Rear Seat Entertainment Wiring Diagram, RTL without Navigation (2 of 2) for Honda Ridgeline RTL 2008 List of elements for Rear Seat Entertainment Wiring Diagram, RTL without Navigation (2 of 2) for Honda Ridgeline RTL 2008: 35 Aud l (+) Aud l (-) Aud r (+) Aud r (-) B11 B12 Bus (+) Bus (-) Bus sh C11 C12 Cable reel Channel down switch Channel up switch Fuse 7 7.5a G501 (under center console) Ga-net acc Ga-net gnd Hot at all times Interior lights system Mode switch Pnk Radio remote switch Red S-ant Satellite signal antenna Steering wheel T-ant Terrestrial signal antenna Under-dash fuse/relay box (at left kick panel) Volume down switch Volume up switch X35 Xm antenna (rear of roof) Xm receiver (behind right side of rear seat) (if equipped) XM Radio or MP3 Player Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for XM Radio or MP3 Player Wiring Diagram for Honda Ridgeline RTL 2008: 22 Aud l (+) Aud l (-) Aud r (+) Aud r (-) Aud sh Audio unit Braided Ecu2 bus (+) Ecu2 bus (-) Ecu2 bus shd Ga-net acc Ga-net gnd Ill (+) Mp3 player Pnk Red S-ant T-ant Xm satellite radio Xm antenna Xm antenna splitter Xm satellite radio
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Shift Interlock Wiring Diagram for Honda Ridgeline RTL 2008: 56 (2007-08 canada & 2008 usa) (at left kick panel) (behind upper left end of dash) (near ignition key cylinder) A12 A17 A18 A24 A25 A34 A35 Anti-theft system App sensor (right rear of engine compartment) Aps1 Aps2 Atp-p Bksw Brake pedal position switch (top of brake pedal arm) Fuse 13 20a Fuse 21 7.5a Fuse 32 7.5a G101 (at rear of engine) G401 G401 (behind upper left end of dash) Hot at all times Hot in acc or on Hot in on or start Ig key sw Ignition key switch Ignition key switch/key light Instrument cluster system Key interlock solenoid Key sol Micu N26 N36 Nca P-pin P13 P15 P16 Park pin switch Pcm (right rear of engine compartment) Red Sg3 Sg4 Shift lock solenoid Sls Stop sw Transmission range switch (on transmission housing) Under-dash fuse/relay box Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (at right rear of engine compartment) Vcc3 Vcc4 X34
STARTING/CHARGING Charging Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Charging Wiring Diagram for Honda Ridgeline RTL 2008: 49 (behind upper left end of dash) 120a A10 A19 A20 A23 A36 Alt ctrl sig Alt fr sig Alt l sig Alternator B42 Battery C38 C41 Can h Can l Charging system indicator Computer data lines system Drive circuit Eld in- put Eld unit Fast controller area network transceiver Fuse 18 15a Fuse 21 7.5a Fuse 7 7.5a G1 (left front of engine compartment) G202 (right rear of engine compartment) G401 Gauge control module Ground Hot at all times Hot in on or start Ignition input J/c c104 (middle of engine compartment) J/c c451 (under middle of dash) Load output Multi- fuse 22 Pcm (right rear of engine compartment) Power distribution system Red Starting circuit T101 T102 Transmission Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (at right rear of engine compartment) X34 X35 Starting Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Starting Wiring Diagram for Honda Ridgeline RTL 2008: 23 (at rear of engine) g101 120a 50a Acc Battery Eld unit G1 (left front of engine compt) Ignition switch Lock Multi- fuse Power distribution system Start Starter Starter cut relay Starter motor Starter solenoid T10 T2 b Transmission Transmission range switch (on transmission housing) Under- hood fuse/ relay box (at right rear of engine compt) Under-dash fuse/relay box (at left kick panel) X33
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Honda Ridgeline RTL 2008: 66 (behind left side of front bumper) left front impact sensor (behind right side of dash) front passenger's air bag first inflator (behind right side of dash) front passenger's air bag second inflator (right front of vehicle) right front impact sensor (under front passenger's seat) front passenger's weight sensor (inner side) (under front passenger's seat) front passenger's weight sensor (outer side) A10 A20 Buck- led C16 C17 D10 D11 D12 D13 D14 D15 D16 D17 D18 Driver's seat belt switch (under driver's seat) Driver's side air bag inflator (under driver's seat) Front passenger's seat belt switch (under front passenger's seat) Front passenger's side air bag inflator (under front passenger's seat) G401 (behind upper left end of dash) G501 (below center console) G501 (under center console Gauge control module Gnd Left side curtain air bag inflator (left rear of roof) Lower element (lower 4 sensors in seat back) Ods Ods unit (left side Of front passenger's Opds sensor Os1l Os1s Os2l Os2s Os3l Os3s Os4l Os4s Os5l Os5s Os6l Os6s Os7l Os7s Pnk Pow Red Right side curtain air bag inflator (right rear of roof) Seat back) Short contact Side air bag cut-off indicator Side element (right side of seat back) Srs indicator Srs indicator circuit Un- Upper element (upper two sensors in seat back) Wrn Wsig Wsip Wsog Wsop
TRANSMISSION 4WD Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for 4WD Wiring Diagram for Honda Ridgeline RTL 2008: 77 (left side of engine compt) vsa modulator control unit A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A28 A36 Auxiliary underhood fuse box (left rear of engine compt) B10 B11 B12 Can h Can l Computer data lines system Differential oil temperature sensor Flp Frp Fsr Fuse 15a Fuse 20a Fuse 7.5a G501 (under center console) G601 (left side of cargo area) Gauge control module Hot at all times Hot in on or start Ig1 Immobilizer control unit receiver (in steering column, on ignition key cylinder) Instrument cluster system Interior lights system K-line Lcoh Lcol Left side clutch electromagnetic coil Lg1 Lg2 Lock l Lock sw N29 N38 N44 Nep Parbrk Parking brake switch (at top of parking brake pedal) Power distribution system Powertrain control (pcm) module (right rear of engine compt) Pwr Rcoh Rcol Rear differential Red Right side clutch electromagnetic coil Rlp Rrp Scs Speed sensor outputs Tch Tcl Under-dash fuse/relay box (at left kick panel) Vtm-4 control unit (behind right kick panel) Vtm-4 ind Vtm-4 lock on ind Vtm-4 lock switch Vtm-4 lock switch light Vtm-4 relay (behind left side of dash) Warn 1 Warn 2 X34 A/T Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008 List of elements for A/T Wiring Diagram (1 of 3) for Honda Ridgeline RTL 2008: 57 (at rear of engine) g101 (at top of brake pedal arm) brake pedal position switch (middle of engine compt) j/c c103 Altl App sensor (right rear of engine compt) Aps1 Aps2 Atp-p Atp-r Bksw Bkswnc Can h Can l Computer data lines system D3 switch D3sw Exterior lights system Fuse 15a Fuse 20a Fuse 7.5a G101 (at rear of engine) G401 (at left kick panel) Hot at all times Hot in on or start Igp K-line Lg2 Lsb Lsc Map Micu Mrly Nep P16 P20 Pg1 Pg2 Pgm-fi main relay 1 Powertrain (pcm) control module (right rear of engine compt) Red Scs Sg1 Sg3 Sg4 Shift interlock system Sls Starting/charging system Transmissions system (4wd circuit) Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (at right rear of engine compt) Vbsol Vcc1 Vcc3 Vcc4 Wen X34 X35 A/T Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008 List of elements for A/T Wiring Diagram (2 of 3) for Honda Ridgeline RTL 2008: 21 (2006 0nly) (middle of engine compt) junction connector c104 (on transmission housing) transmission range switch A/t clutch pressure control solenoid valve b (on transmission housing) A/t clutch pressure control solenoid valve c (on transmission housing) A/t gear position indicator drive circuit A/t gear position indicator/ cruise control dimming circuit A19 A20 Computer data lines system Fast controller area network transceiver G101 (at rear of engine) Gauge control module Map sensor (on top of throttle body assembly) Mil ind Output shaft speed sensor (countershaft) (on transmission housing) Red Shift control solenoid valve c Starting/ charging system Torque converter clutch solenoid valve Warning drive control A/T Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008 List of elements for A/T Wiring Diagram (3 of 3) for Honda Ridgeline RTL 2008: 31 (on transmission housing) input shaft speed sensor (mainshaft) (right rear of engine) junction connector c105 3rd clutch transmission fluid pressure switch (on transmission housing) 4th clutch transmission fluid pressure switch (on transmission housing) A/t clutch pressure control solenoid valve a (on transmission housing) Altc Altf Atf temperature sensor (on transmission housing) Atft Atp fwd Atp-1 Atp-2 Atp-d Atp-n Atp-r Lg1 Lsa Op3sw Op4sw Pgmetcs Pnk Powertrain (pcm) control module (right rear of engine compt) Red Sg2 Sha Shb Shc Shift control solenoid valve a Shift control solenoid valve b Starting/ charging system Vcc2
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram for Honda Ridgeline RTL 2008: 27 (if equipped) B+ door lock Fuse 21 7.5a Fuse 7 7.5a Fuse 8 20a G601 (left side of cargo area) G602 (right side of cargo area) Hot at all times Hot in on or start Ig1 In-bed trunk lid actuator In-bed trunk lid actuator/ latch switch (in-bed trunk lid) In-bed trunk lid handle switch (in-bed trunk lid) In-bed trunk lid key cylinder switch In-bed trunk lid latch switch In-bed trunk lid main switch Multi- plex con- trol unit Q11 Q12 Tailgate sw Tailgate switch (right rear of cargo area) Trunk act Trunk handle sw Trunk sw Trunk unlock Under- dash fuse/ relay box (at left kick panel) Vbu
WARNING SYSTEMS Tire Pressure Monitoring Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Tire Pressure Monitoring Wiring Diagram for Honda Ridgeline RTL 2008: 40 A10 A19 A20 Auxiliary under-hood fuse box (left rear of engine compt) Can h Can l Computer data lines system Fast controller area network transceiver Fuse 7.5a G401 (behind upper left end of dash) Gauge control module Gnd Hot at all times Hot in on or start Ig1 K-line Left front tpms initiator (in left front fender) Left rear tpms initiator (front of left rear wheelwell) Lf lf grd Lf lf pwr Lf lf sig Low tire pressure ind Lr lf pwr Lr lf sig N38 Red Rf lf grd Rf lf pwr Rf lf sig Right front tpms initiator (in right front fender) Right rear tpms initiator (front of right rear wheelwell) Rr lf grd Rr lf pwr Rr lf sig Tire ind Tpms control unit (behind left rear seat back) Under-dash fuse/relay box (at left kick panel) Warning drive circuit X34 X35
WIPER/WASHER Wiper/Washer Wiring Diagram for Honda Ridgeline RTL 2008 List of elements for Wiper/Washer Wiring Diagram for Honda Ridgeline RTL 2008: 45 (behind right headlight) (behind upper left end of dash) (right rear of engine compartment) B-can Combination switch control unit Control block D11 Fuse 11 30a Fuse 20 7.5a Fuse 21 7.5a Fuse 7 7.5a G201 G202 G401 H12 High Hot at all times Hot in on or start Ig1 Int Int off Intermittent dwell time controller Intermittent wiper relay J10 Low Micu Mist Off Park Relay control module Run Under-dash fuse/relay box (at left kick panel) Under-hood fuse/relay box (right rear of engine compartment) Vbu Wash Washer motor (behind right side of front bumper, on washer reservoir) Washer motor relay Windshield washer switch Windshield wiper high relay Windshield wiper motor (under left side of cowl cover) Windshield wiper switch Wiper/ washer switch X27 X34 X35
