Diagram sections — 30 (61 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 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 Air Conditioning Wiring Diagram (1 of 2) for Scion tC 2014 List of elements for Air Conditioning Wiring Diagram (1 of 2) for Scion tC 2014: 52 (left side of dash) c3 A/c A/c amplifier assembly (left center of dash) A/c pressure sensor (right rear of engine compt) A35 Ac5 Ac6 B1 (front of engine) B15 B27 B28 B30 Ba2 C2 (right kick panel) C29 Canh Canl Compressor assembly w/ pulley Computer data lines system Cooler thermistor 1 E f i engine coolant temperature sensor (front of engine) Ecm (engine control module) (left rear of engine compt) Engine room j/b (left side of engine compt) Ethw Fanh Fanl Floq Gnd Heater blower motor relay assembly (right side of dash) Hot at all times Hot in on or start Htr fuse 50a Htr-ig fuse 7.5a Ig fuse 5a Ig+ Instrument panel j/b (left side of dash) Led Pnk Pre Qufl Red S5-1 S5-3 S5fl Sblw Sg-2 Sg-3 Sgfl Sol+ Sol- Tan Thw Air Conditioning Wiring Diagram (2 of 2) for Scion tC 2014 List of elements for Air Conditioning Wiring Diagram (2 of 2) for Scion tC 2014: 42 (center of dash) j/c c62 & c63 (left front of engine compt) cooling fan motor 2 A/c A/c switch A/c+ A1 (left front of engine compt) Acid Aind Air inlet control switch Blower resistor (center of dash) Blower w/ fan motor sub-assembly C2 (right kick panel) C3 (left side of dash) C4 (left center of dash) C62 C63 Cooling fan motor 1 (left front of engine compt) Def- logic switch Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) F/d Fan 1 fuse 40a Fan 2 fuse 30a Fan relay 1 Fan relay 2 Fan relay 3 Frs Heater control ill- Heater control sub-assembly 1 Heater control sub-assembly 2 Hot at all times Ig+ Ill+ Ill- Interior lights system Led+ Pnk Rec Recirculation damper servo sub-assembly (top center of dash) Red Sub-assembly 3 Tan
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Scion tC 2014 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Scion tC 2014: 56 (left front of engine compt) a2 +bs A2 (left front of engine compt) Abs 1 fuse 50a Abs 2 fuse 30a Ac5 B21 B26 B39 Bat C2 (right kick panel) C33 C35 C36 Canh Canl Computer data lines system Csw Data link connector 3 (left end of dash) Ecu b fuse 10a Ecu ig1 2 fuse 5a Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) Ess Fl+ Fl- Fr+ Fr- Gnd Gnd1 Gnd2 Hot at all times Hot in on or start Ig1 Ill+ Ill- Instrument cluster system Instrument panel j/b (left side of dash) Interior lights system J/c c64 (center of dash) Main body ecu Pnk Red Rl+ Rl- Rr+ Rr- Sp1 Steering sensor (steering column) Stop fuse 10a Stop light switch (left side of dash) Stp Tan Vsc actuator assembly (left rear of engine compt) Vsc off switch Yaw rate sensor (floor console) Anti-lock Brakes Wiring Diagram (2 of 2) for Scion tC 2014 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Scion tC 2014: 52 (left front of engine compt) (right kick panel) 5v ic 5v+b Abs ind Ac4 Ac6 Acc Acc fuse 5a Ah1 Altb Am1 fuse 5a B26 Becu Brake fluid level warning switch (brake master cylinder reservoir sub assembly) (on brake fluid reservoir) Brake ind Buzzer C15 C19 C56 Can Can i/f Canh Canl Cj2 Combination meter assembly Computer data lines system Controller Cpu D55 Ecu b fuse 10a Engine room r/b (left side of engine compt) Hot at all times Hot in on or start Hot w/ acc relay energized I/f Instrument panel j/b (left side of dash) J/c a34 (left end of dash) Left front speed sensor (left front wheel hub assembly) Left rear speed sensor (left rear wheel hub assembly) Main body ecu Met fuse 7.5a Parking brake switch (base of park brake lever) Pkb Red Right front speed sensor (right front wheel hub assembly) Right rear speed sensor (right rear wheel hub assembly) Slip ind Trac off ind Vsc off ind Zh1 Zj1
ANTI-THEFT Forced Entry Wiring Diagram, with Smart Key System (1 of 4) for Scion tC 2014 List of elements for Forced Entry Wiring Diagram, with Smart Key System (1 of 4) for Scion tC 2014: 76 5v ic 5v+b Ac1 Ac4 Accd Am2 2 fuse 7.5a Am21 Am22 B26 Back door opener switch assembly Buzzer C15 C2 (right kick panel) C3 (left side of dash) C42 C43 C58 C59 C60 C61 Ca1h Ca1l Ca3n Ca3p Can controller Can i/f Canh Canl Ch2 Combination meter assembly Computer data lines system Cpu D53 D55 Ecu-b fuse 10a Engine room r/b (left side of engine compt) Gnd Gnd2 Hot at all times Hot w/ ig2 relay energized I/f Ig+ Ig1d Ig2 Ig2d Inds Indw Instrument panel j/b (left side of dash) J/c c58 & c59 (top center of dash) J/c c60 & c61 (right side of dash) J/c l11 (rear cargo area) Lh2 Lin2 Lock Met fuse 7.5a Open Pnk Power distribution system Power source control ecu (right side of dash) Red Shift interlock system Slp Slr+ Smart key ind Sp1 Spd Ssw1 Ssw2 Sta Star Starting/ charging system Stop fuse 10a Stop light switch assembly (left side of dash) Stp1 Tan Vsc actuator assembly (left rear of engine compt) Forced Entry Wiring Diagram, with Smart Key System (2 of 4) for Scion tC 2014 List of elements for Forced Entry Wiring Diagram, with Smart Key System (2 of 4) for Scion tC 2014: 67 (left kick panel) c1 (left side of dash) c3 (left side of dash) instrument panel j/b Acc Acc fuse 5a Act+ Act- Actd Altb Am1 fuse 5a B26 B29 B35 Becu Bzr C1 (left kick panel) C12 C2 (right kick panel) C3 (left side of dash) C56 Canh Canl Computer data lines system D- door unlock relay D/l fuse 20a D10 D11 D12 D48 D52 Dc1 Dc2 Dp- door lock relay Ec1 Ec2 Ecu- ig1 2 fuse 5a Exterior lights system Flcy Frcy Gnd1 Haz Horn Horns system Hot at all times Hot in on or acc Hot in on or start Ile Interior lights system Left front door w/ motor lock assembly Lock Lock key Lock un- Lsfl Lsfr Lssr Main body ecu P- door unlock relay Pnk Power window regulator master switch assembly Red Right door control switch assembly Right front door w/ motor lock assembly Tan Ul1 Ul3 Unlock detection Unlock key Forced Entry Wiring Diagram, with Smart Key System (3 of 4) for Scion tC 2014 List of elements for Forced Entry Wiring Diagram, with Smart Key System (3 of 4) for Scion tC 2014: 38 (left center of dash) c4 (left rear of engine compt) engine control module (left side of dash) engine switch A1 (left front of engine compt) A35 Ac3 Agnd Antenna coil B26 C34 C4 (left center of dash) C62 C63 Canh Canl Cj2 Clock assembly Code Com Computer data lines system Gnd Inds Indw Instrument panel j/b (left side of dash) J/c c62 & c63 (center of dash) Left front door courtesy light switch assembly Neo Pnk Red Right front door courtesy light switch assembly Security indicator light Ss1 Ss2 Swil Tan Txct Vc5 Wireless door lock buzzer (left rear of engine compt) Forced Entry Wiring Diagram, with Smart Key System (4 of 4) for Scion tC 2014 List of elements for Forced Entry Wiring Diagram, with Smart Key System (4 of 4) for Scion tC 2014: 76 (rear cargo area) indoor electrical key antenna 2 (rear cargo area) indoor electrical key antenna 3 (rear cargo area) outside luggage electrical key antenna (under floor console) indoor electrical key antenna 1 Agnd Ant1 Ant2 B30 C1 (left kick panel) C3 (left side of dash) C35 C36 Canh Canl Certification ecu assembly (right side of dash) Cg1b Cg2b Cg5b Cg6b Cg7b Cg8b Ch2 Cj2 Clg1 Clg2 Clg3 Clg4 Clg5 Clg6 Clg7 Clg8 Clgb Code Computer data lines system Cutb D39 D42 Data Dc2 Df1 Door control receiver (left rear of passenger compt) Ec2 Ecu-b 2 fuse 10a Eg1 Engine room r/b (left side of engine compt) Gnd H1 (base of left "b" pillar) H2 (left quarterpanel) Hot at all times Hot in on or start Ign fuse 7.5a Ind Instrument panel j/b (left side of dash) J/c c61 (right side of dash) Left outside electrical key antenna (driver's door) Lin Pnk Pos1 Pos2 Rco Rda Red Right outside electrical key antenna (passenger's door) Rssi Sen1 Sen2 Sens Swil Tan Trg+ Tsw1 Tsw2 Tsw5 Tsw6 Txct Vc5 Forced Entry Wiring Diagram, without Smart Key System for Scion tC 2014 List of elements for Forced Entry Wiring Diagram, without Smart Key System for Scion tC 2014: 91 A/t A1 (left front of engine compt) A35 Acc Acc fuse 5a Act+ Act- Actd Altb Am1 fuse 5a B11 B26 B29 B30 B35 Ba1 Becu Bkup lp fuse 7.5a Bzr C1 (left kick panel) C12 C2 (right kick panel) C3 (left side of dash) C4 (left center of dash) C56 Canh Canl Ch1 Cj2 Computer data lines system D- door unlock relay D/l fuse 20a D10 D11 D12 D48 D52 Dc1 Dc2 Detection unlock Door control receiver (lower left "c" pillar) Dp- door lock relay Ec1 Ec2 Ecu- ig1 2 fuse 5a Ecu-b fuse 10a Engine compt) Engine control module (left rear of Engine room r/b (left side of engine compt) Exterior lights system Flcy Frcy Gnd Gnd1 H1 (base of left "b" pillar) Haz Horn Horns system Hot at all times Hot in on or acc Hot in on or start Instrument panel j/b (left side of dash) Interior lights systems J/c c58 (top center of dash) J/c c64 (center of dash) Ksw Left front door courtesy light switch assembly Left front door w/ motor lock assembly Lock Lock key Lsfl Lsfr Lssr Main body ecu ile P- door unlock relay Park/neutral position switch (rear of transmission) Pnk Power window regulator master switch assembly Prg Rda Red Right door control switch assembly Right front door courtesy light switch assembly Right front door w/ motor lock assembly Tan Ul1 Ul3 Unlock Unlock key Unlock warning switch assembly (left side of dash) Wireless door lock buzzer (left rear of engine compt) Immobilizer Wiring Diagram, with Smart Key System for Scion tC 2014 List of elements for Immobilizer Wiring Diagram, with Smart Key System for Scion tC 2014: 30 (left side of dash) instrument panel j/b A35 Ac3 B30 C35 C4 (left center of dash) C43 C62 C63 Certification ecu assembly (right side of dash) D40 Ecu-b 2 fuse 10a Efii Efio Engine control module (left rear of engine compt) Engine room r/b (left side of engine compt) Gnd Hot at all times Id code box (left center of dash) Imi Imo J/c c62 & c63 (center of dash) Lin Lin1 Lin2 Pnk Power source control ecu (right side of dash) Red Steering lock actuator assembly (left side of dash) Tan Immobilizer Wiring Diagram, without Smart Key System for Scion tC 2014 List of elements for Immobilizer Wiring Diagram, without Smart Key System for Scion tC 2014: 44 (left side of dash) instrument panel j/b A35 Ac3 Agnd Ant1 Ant2 B30 C17 C4 (left center of dash) C58 C59 Clock assembly Code Computer data lines system Cty D40 D43 Ecu-b 2 fuse 10a Efii Efio Engine control module (left rear of engine compt) Engine room r/b (left side of engine compt) Gnd Hot at all times Hot in on or start Ign fuse 7.5a Imi Imo Ind Instrument panel j/b (left side of dash) J/c c58 & c59 (top center of dash) J/c c64 (center of dash) Ksw Left front door courtesy light switch assembly Pnk Red Security indicator light Tan Transponder key amplifier (on steering column) Transponder key coil Transponder key ecu assembly (left side of dash) Txct Unlock warning switch assembly (left side of dash) Vc5
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Scion tC 2014 List of elements for Body Control Modules Wiring Diagram for Scion tC 2014: 102 & anti-theft system (right kick panel) c2 A/c amplifier (left center of dash) A35 Ac3 Acc Acc fuse 5a Act+ Act- Actd Air bag sensor assembly (lower center of dash) Altb Am1 fuse 5a B19 B20 B26 B29 B33 B35 Bcty Bdsu Becu Brakes & headlights systems Bzr C19 C20 C23 C35 C41 C43 C48 C56 Ca1h Ca1l Canh Canl Certification ecu (w/ smart key system) (right side of dash) Combination meter D48 D52 Data link connector 3 (left end of dash) Dim Door locks Door locks & anti-theft systems Door locks system Drl Ecu-b fuse 10a Ecu-ig1 2 fuse 5a Engine control module (left rear of engine compt) Engine room r/b (left side of engine compt) Exterior lights system Flcy Frcy Gnd1 Haz Head Headlights system Headlights, interior lights & exterior lights systems Horn Horns system Hot at all times Hot w/ acc relay energized Hot w/ ig1 1 relay energized Hrly Ile1 Instrument cluster, anti-lock Instrument cluster, interior lights, anti-theft & door locks systems Instrument cluster, warning, interior lights, power windows, anti-theft, door locks & power tops systems Instrument panel j/b (left side of dash) Interior lights & trunk, tailgate, fuel doors systems Interior lights system Interior lights, trunk, tailgate, fuel doors, J/c a34 (left end of dash) J/c c65 (center of dash) Ksw Lin2 Lsfl Lsfr Main body ecu (behind left end of dash) Pkb Pnk Power source control ecu (w/ smart key system) (right side of dash) Power steering ecu (left side of dash) Power tops system Power windows system Prg Pws Rda Red Steering sensor (steering column) Tail Tan Tr+ Trly Trunk, tailgate, fuel doors system Trunk, tailgate, fuel doors, door locks, interior lights & anti-theft systems Ul1 Ul3 Vsc actuator assembly (left rear of engine compt) Warning & door locks systems Warning, headlights, exterior lights & interior lights systems Yaw rate sensor (floor console)
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Scion tC 2014 List of elements for Computer Data Lines Wiring Diagram for Scion tC 2014: 61 (lower center of dash) air bag sensor assembly A/c amplifier assembly (left center of dash) A35 Ac3 Ac5 B2 (front of engine) B30 B32 B34 Ba3 C20 C35 C4 (left center of dash) C43 C47 C48 C56 Ca1h Ca1l Ca3n Ca3p Can+ Can- Canh Canl Cann Canp Cc2 Certification ecu assembly (w/ smart key system) (right side of dash) Cj1 Combination meter assembly D15 D17 D18 D19 D20 Data link connector 3 (left end of dash) Dia Engine control module (left rear of engine compt) Hot at all times Instrument panel j/b (left side of dash) J/c a34 (left end of dash) J/c c64 (center of dash) J/c c65 (center of dash) Jz1 Main body ecu (behind left end of dash) Obd fuse 7.5a Occupant detection ecu (under front passenger's seat) Pnk Power source control ecu (w/ smart key system) (right side of dash) Power steering ecu assembly (left side of dash) Red Sil Steering sensor (steering column) Tach Tan Tire pressure warning ecu (if equipped) (center of dash) Transmission control ecu assembly (a/t) (top of transmission) Transponder key ecu assembly (w/o smart key system) (left side of dash) Vsc actuator assembly (left rear of engine compt) Yaw rate sensor (floor console)
COOLING FAN Cooling Fan Wiring Diagram for Scion tC 2014 List of elements for Cooling Fan Wiring Diagram for Scion tC 2014: 41 (left front of engine compt) (left side of engine compt) engine room r/b A/c amplifier assembly (left center of dash) A/c pressure sensor (right rear of engine compt) A1 (left front of engine compt) A35 Ac6 B15 B2 (front of engine) B28 B30 C29 Canh Canl Computer data lines system Cooling fan motor 1 Cooling fan motor 2 (left front of engine compt) Crank position sensor (lower right front of engine) E f i engine coolant temperature sensor (front of engine) Engine control module (left rear of engine compt) Engine room j/b (left side of engine compt) Ethw Fan 1 fuse 40a Fan 2 fuse 30a Fan relay 1 Fan relay 2 Fan relay 3 Fanh Fanl Hot at all times Hot in on or start Ig fuse 5a Instrument panel j/b (left side of dash) Nca Ne+ Ne- Pre Red S5-3 Sg-2 Thw
CRUISE CONTROL Cruise Control Wiring Diagram (1 of 2) for Scion tC 2014 List of elements for Cruise Control Wiring Diagram (1 of 2) for Scion tC 2014: 65 (left side of dash) stop lamp switch (left side of engine compt) +b2 +bm +res -set A/t A35 Ac5 Accelerator position sensor assembly (left side of dash) B17 B2 (front of engine) B22 B30 Ba1 Ba3 Batt Cancel Canh Canl Ccs Computer data lines system Cruise control main switch E04 Ecc Ecm (engine control module) (left rear of engine compt) Ecu-b 2 fuse 10a Efi 1 fuse 15a Efi relay 1 Engine room j/b Engine room r/b (left side of engine compt) Epa Epa2 Eta Etcs fuse 10a Ge01 Hot at all times Hot in on or start Ig2 fuse 15a Ig2 relay Ign fuse 7.5a Igsw Instrument panel j/b (left side of dash) M/t Me01 Mrel On/off Pnk Red Spd Spiral cable St1- Stop fuse 10a Stp Tan Throttle w/ motor body assembly Transmissions system Vcp2 Vcpa Vcta Vpa Vpa2 Vta Vta1 Vta2 Cruise Control Wiring Diagram (2 of 2) for Scion tC 2014 List of elements for Cruise Control Wiring Diagram (2 of 2) for Scion tC 2014: 68 (a/t) (top of transmission) +ig 5v ic 5v+b A/t Ac4 Ac5 Ac6 Ah1 B11 B14 B18 Ba1 Ba3 Batt Bkup lp fuse 7.5a Buzzer C2 (right kick panel) C58 C59 Can controller Can i/f Can+ Can- Canh Canl Cj2 Clutch start switch assembly 2 (m/t) (left end of dash) Combination meter assembly Computer data lines system Cpu Cruise ind D55 Fl+ Fl- Fr+ Fr- Hot in on or start I/f Ig fuse 5a Ig2 Ign fuse 7.5a Igsw Instrument panel j/b (left side of dash) J/c a32 (a/t) (left end of dash) J/c a34 (left end of dash) J/c c58 & c59 (top center of dash) J/c c64 (center of dash) Left front speed sensor (left front wheel hub assembly) Left rear speed sensor (left rear wheel hub assembly) Met fuse 7.5a Park/neutral position switch (a/t) (rear of transmission) Pnk Red Right front speed sensor (right front wheel hub assembly) Right rear speed sensor (right rear wheel hub assembly) Rl+ Rl- Rr+ Rr- Set ind Sp1 Spd Stp Transmission control ecu assembly Vsc actuator assembly (left rear of engine compt) Zh1 Zj1
DEFOGGERS Defoggers Wiring Diagram for Scion tC 2014 List of elements for Defoggers Wiring Diagram for Scion tC 2014: 35 (back door glass) A1 (left front of engine compt) Ac1 Ac5 Ah2 B16 C1 (left kick panel) C3 (left side of dash) C4 (left center of dash) Dc2 Def fuse 40a Def relay Defb Ec2 Engine room r/b (left side of engine compt) Heater control sub-assembly 2 Hot at all times Hot in on or start Htr-ig fuse 7.5a Ig fuse 5a Ig+ Instrument panel j/b (left side of dash) J/c l11 (rear cargo area) Left outer rear view mirror assembly (w/ mirror heater) (at left door mirror) Lh1 Mir htr fuse 10a Mirror heater Noise filter (rear window defogger) (rear of vehicle) Pnk Rdef Rear window defogger Rear window defogger switch Red Right outer rear view mirror assembly (w/ mirror heater) (at right door mirror) Timer circuit
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Scion tC 2014 List of elements for Electronic Power Steering Wiring Diagram for Scion tC 2014: 58 (left side of dash) (right kick panel) 5v ic 5v+b A26 A5 (left end of dash) B26 Bat Buzzer C15 C2 (right kick panel) C33 C35 C48 Can controller Can i/f Canh Canl Combination meter assembly Computer data lines system Cpu D36 D55 Ecu-b fuse 10a Ecu-ig1 1 fuse 5a Ecu-ig1 2 fuse 5a Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) Eps fuse 80a Ess Hot at all times Hot in on or start I/f Instrument panel j/b (left side of dash) J/c c59 (top center of dash) J/c c64 (center of dash) Met fuse 7.5a Pgnd Pig Pnk Power stee- ring motor Power steering ecu Power steering ind Power steering motor assembly Power steering torque sensor (top left side of dash) Rcos Red Resolver sensor Rgnd Rsin Steering sensor (steering column) Trq1 Trq2 Trqg Trqv Z17 Z18 Z19
ENGINE PERFORMANCE
2.5L 2.5L, Engine Performance Wiring Diagram (1 of 4) for Scion tC 2014 List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 4) for Scion tC 2014: 75 (left front of engine compt) a1 +b2 +bm A1 (left front of engine compt) A13 A35 Ac3 Ac4 Accelerator position sensor (left side of dash) Ah1 Anti-theft system B12 Ba1 Batt C/opn relay C42 Camshaft timing oil control valve assembly (exhaust side) (right rear of cylinder head) Camshaft timing oil control valve assembly (intake side) (right rear of cylinder head) Canh Canl Cann Canp Ccs Computer data lines system Cruise control system Efi 1 fuse 15a Efi 1 relay Efi 2 fuse 15a Efi 2 relay Els1 Els3 Engine control module (left rear of engine compt) Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) Epa Epa2 Etcs fuse 10a Exterior lights system Fuel sender gage (rear of vehicle) Gauge H2 (left quarterpanel) Hot at all times Hot w/ ig2 relay energized Ig2d Ign fuse 7.5a Igsw Imi Imo Instrument cluster system Instrument panel j/b (left side of dash) J/c a32 (left end of dash) Mpmp Mrel Neo Park/neutral position switch (a/t) (rear of transmission) Pnk Power source control ecu (w/ smart key system) (right side of dash) Pump Red Sftd Sftu Spd St1- Sta Starting/charging system Stp Tach Tan Transmission control ecu assembly (top of transmission) Transmissions system Vcp2 Vcpa Vpa Vpa2 Vpmp 2.5L, Engine Performance Wiring Diagram (2 of 4) for Scion tC 2014 List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 4) for Scion tC 2014: 56 (left side of dash) stop light switch (under rear of vehicle) canister pump module A/t Acis Ah1 Alt B11 B14 B17 B2 (front of engine) B22 B30 Ba1 Ba3 Bkup lp fuse 7.5a Can+ Can- Canister pressure sensor Clutch start switch 2 (left end of dash) Computer data lines system E04 Engine control module (left rear of engine compartment) Ge01 Ha1a Hot w/ ig1 1 relay energized Hot w/ ig2 relay energized Ht1b Ia1+ Ia1- Ig fuse 5a Igf1 Ign fuse 7.5a Instrument panel j/b (left side of dash) Leak detection pump Lines system computer data M/t Me01 Mgnd Mtrb Nsw Oc1+ Oc1- Oe1+ Oe1- Pnk Prg Red Sgnd Starting/ charging system Stp Transmission control ecu (a/t) (top of transmission) Vcc Vent valve Vgnd Vlvb Vout 2.5L, Engine Performance Wiring Diagram (3 of 4) for Scion tC 2014 List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 4) for Scion tC 2014: 46 5v ic 5v+b A1 (left front of engine compt) B2 (front of engine) B26 Ba1 Bm1 Buzzer C15 C2 (right kick panel) Can controller Can i/f Combination meter assembly Computer data lines system Cpu Display shift indicator Ecu-b fuse 10a Eknk Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) Hot at all times Hot in on or start Hot w/ defogger relay energized I/f Ig2 fuse 15a Ig2 fuse 7.5a Ig2 relay Ind Indicator lamp malfunction Instrument panel j/b (left side of dash) Knk1 Knock control sensor (bank 1) (center of cylinder block) Mir mtr fuse 10a Nca Pnk Purge vsv (left side of engine compt) Red Stop fuse 10a Temperature a/t oil Throttle w/ motor body assembly Vsv (acis) (right rear of engine compt) Vta Vta2 W/ rear wiper W/o smart key system & w/ rear wiper W/o smart key system & w/o rear wiper 2.5L, Engine Performance Wiring Diagram (4 of 4) for Scion tC 2014 List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 4) for Scion tC 2014: 75 (front of engine) (front of engine) b2 (front of engine) efi engine coolant temperature sensor (left side of engine) intake air control valve actuator (lower right front of engine) crankshaft position sensor (top left side of engine) vvt sensor (exhaust side) (top left side of engine) vvt sensor (intake side) (top of engine) fuel injector 1 (top of engine) fuel injector 2 (top of engine) fuel injector 3 (top of engine) fuel injector 4 A1a+ A1a- Ah1 Air fuel ratio sensor (bank 1 sensor 1) (left front of engine) B1 (front of engine) B2 (front of engine) B30 Ba1 Ba3 Bm1 E01 E02 E03 E2g Eia1 Eknk Engine control module (left rear of engine compt) Eppm Eta Etha Ethw Ev1+ Ev1- G2+ G2- Gnd Ha1a Iac1 Igf Ignition coil assembly 1 (top of cylinder head cover) Ignition coil assembly 2 (top of cylinder head cover) Ignition coil assembly 3 (top of cylinder head cover) Ignition coil assembly 4 (top of cylinder head cover) Igt1 Igt2 Igt3 Igt4 Intake mass air flow meter sub assembly (left rear of engine) Knk1 Nca Ne+ Ne- O1b- Out Ox1b Oxygen sensor (bank 1 sensor 2) (exhaust system, after catalytic converter) Pnk Ppmp Red Tha Thw Vc2 Vce1 Vcia Vcpp Vcta Vcv1 Vdd Vta1 Vta2 Vv1+ Vv1- Vve+ Vve-
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Scion tC 2014 List of elements for Backup Lamps Wiring Diagram for Scion tC 2014: 17 (left quarterpanel) (rear of transmission) A/t Ah1 B11 Ba1 Back-up Back-up light switch assembly (front of transmission) Bkup lp fuse 7.5a Hot in on or start Instrument panel j/b (left side of dash) J/c h21 (left rear of vehicle) Left rear combination light assembly M/t Park/ neutral position switch assembly d Red Right back-up rear combination light assembly Exterior Lamps Wiring Diagram (1 of 2) for Scion tC 2014 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Scion tC 2014: 74 (left side of dash) instrument panel j/b A1 (left front of engine compt) A16 A4 (right front of engine compt) Ac3 Alt fuse 120a Altb Am1 fuse 5a B24 B25 B31 B36 C1 (left kick panel) C10 C11 C2 (right kick panel) C23 C27 C28 C3 (left side of dash) C4 (left center of dash) C41 C43 C44 C45 C46 C56 Can i/f Canh Canl Clock assembly Combination meter assembly Computer data lines system Controller Cpu D35 D48 Dc2 Ec2 Ecu ig1 3 fuse 5a Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) Gnd1 Haz Haz fuse 10a Hazard warning switch Head Headlight dimmer switch assembly Hot at all times Hot in on or start J/c a32 (left end of dash) J/c c64 (center of dash) Left front parking light & side marker light Left front turn signal light Left outer rear view mirror (at left door mirror) Left turn ind Light control switch Main body ecu Off Red Right front parking light & side marker light Right front turn signal light Right outer rear view mirror (at right door mirror) Right turn ind Tail Tail fuse 10a Tail relay Tan Trly Turn Turn signal flasher assembly Turn signal switch W/ drl W/o drl Exterior Lamps Wiring Diagram (2 of 2) for Scion tC 2014 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Scion tC 2014: 43 (left side of dash) (left side of engine compt) A15 Assembly B21 B22 Ba3 C42 Center stop light assembly D53 D54 Ecm (engine control module) (left front of a35 engine compt) Engine room j/b Engine room r/b (left side of engine compt) H2 (left quarterpanel) Hot at all times Hot in on or start Ig2 fuse 15a Ig2 relay Instrument panel j/b (left side of dash) J/c h21 (left rear of vehicle) J/c l11 (real cargo area) Junction connector h21 (left rear of vehicle) Left license plate light assembly Left rear combination light Lh2 Noise filter (defogger & stop) (rear of vehicle) Pnk Power source control ecu (right side of dash) Red Right license plate light assembly Right rear combination light Shift lock control ecu sub-assembly (under center console) Sti- Stop Stop fuse 10a Stop light switch Stp Stp1 Tail/ side marker light Transmission control ecu (top of transmission) Turn Vsc actuator assembly (left rear of engine compt)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Scion tC 2014 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Scion tC 2014: 58 (a/t) transmission control ecu assembly (brake master cylinder reservoir sub assembly) (if equipped) drl relay (left side of engine compartment) engine room j/b (left side of engine compartment) engine room r/b (right headlight assembly) A1 (left front of engine compt) A2 (left front of engine compt) A26 A27 A28 A29 A3 (right front of engine compt) A30 A35 A4 (right front of engine compt) A5 (left end of dash) Ac5 Ah1 Air fuel ratio sensor (bank 1 sensor 1) shield B1 (front of engine) B2 (front of engine) B30 Ba3 Brake fluid level warning switch Canister pump module Compressor assembly with pulley Cooling fan motor 1 Crank position sensor shield Cruise control main switch Def relay Dlc 3 Efi 1 relay Efi 2 relay Engine control module Engine control module (ecm) Fan 2 relay Ig2 relay Ignition coil Knock control sensor (bank 1) shield Left front parking light & side marker light (left headlight assembly) Left front turn signal light (left headlight assembly) Left headlight assembly Level warning switch assembly Nca Option connector (engine hood courtesy switch assembly) Oxygen sensor (bank 1 sensor 2) shield Power steering ecu assembly Right front parking light & side marker light Right front turn signal light Right headlight assembly Spiral cable sub assembly Steering pad switch Vsc actuator assembly Windshield wiper motor assembly Wireless door lock buzzer Z13 Z21 Ground Distribution Wiring Diagram (2 of 3) for Scion tC 2014 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Scion tC 2014: 71 (a/t) transmission control switch (if equipped) (if equipped) sliding roof control ecu (if equipped) tire pressure warning ecu (if equipped) tire pressure warning reset switch (left center of dash) r/b 3 assembly (w/ smart key system) steering lock actuator assembly A/c amplifier assembly Acc relay Air bag sensor assembly Back door lock assembly Back door lock relay Back door opener switch assembly C1 (left kick panel) C11 C2 (right kick panel) C20 Center stop light assembly Combination meter assembly D-door unlock relay D26 D27 D47 D48 Door control receiver Dp-door lock relay Ec1 Eg1 Fuel sender gage assembly H1 (base of left "b" pillar) H18 H19 H2 (left quarterpanel) Heater control sub assembly 1 Ig 1 relay Ig 2 relay Ig 3 relay Instrument panel j/b (left side of dash) J/c c64 (center of dash) J/c h21 (left rear of vehicle) J/c l11 (rear cargo area) L1 (rear cargo area) Left front door with motor lock assembly Left front seat cushion heater assembly Left license plate light assembly Left outer rear view mirror assembly Left outside electrical key antenna Left rear combination light assembly Lh2 Main body ecu Map light assembly Outer mirror switch assembly P-door unlock relay Power relay Power window regulator master switch assembly Rear window defogger (back door glass) Rear wiper motor & bracket assembly Right license plate light assembly Right rear combination light assembly Room light assembly 1 St relay Steering sensor Vsc off switch W/ mirror heater W/ sliding roof W/ smart key system W/o drl W/o sliding roof W/o smart key system Windshield wiper switch assembly Yaw rate sensor Ground Distribution Wiring Diagram (3 of 3) for Scion tC 2014 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Scion tC 2014: 50 (a/t) key inter lock solenoid (if equipped) left seat heater switch (if equipped) right seat heater switch (w/ engine immobilization system) transponder key ecu assembly (w/ seat heater) right front seat cushion heater assembly Blower resistor C23 C3 (left side of dash) C35 C4 (left center of dash) C43 C5 (right center of dash) C60 C61 Certification ecu assembly Cj2 Clock assembly Combination meter assembly Cz3 D1 (passenger's door) Dc1 Dc2 Df1 Dlc 3 E1 (driver's door) Ec2 Engine switch Headlight dimmer switch assembly Heater blower motor relay assembly Heater control sub assembly 2 Id code box J/c c60 & c61 (right side of dash) c61 J/c c64 (center of dash) Jz1 Occupant detection ecu Pnk Power outlet socket assembly Power source control ecu Radio receiver assembly Right door control switch assembly Right front door with motor lock assembly Right outer rear view mirror assembly Right outside electrical key antenna Shift lock control ecu sub assembly Stereo component amplifier assembly Turn signal flasher assembly Un lock warning switch assembly W/ mirror heater W/ smart key system W/o smart key system
HEADLIGHTS Headlights Wiring Diagram, with DRL for Scion tC 2014 List of elements for Headlights Wiring Diagram, with DRL for Scion tC 2014: 68 (center of dash) j/c c64 (left side of engine compt) engine room r/b A1 (left front of engine compt) A27 A28 A29 A3 (right front of engine compt) A30 A4 (right front of engine compt) Ac4 Acc Acc fuse 5a Altb Am1 fuse 5a B19 B20 B26 B33 Beam ind Becu C19 C2 (right kick panel) C4 (left center of dash) C56 Canh Canl Combination meter assembly Computer data lines system D48 Dim Drl Drl relay Drls Ecu-b fuse 10a Ecu-ig1 2 fuse 5a Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) Flash Gnd1 H-lp lh-hi fuse 10a H-lp lh-lo fuse 10a H-lp main fuse 50a H-lp relay H-lp rh-hi fuse 10a H-lp rh-lo fuse 10a Head Headlight dimmer switch assembly High Hlol Hlor Hot at all times Hot w/ acc relay energized Hot w/ ig1 1 relay energized Hrly Instrument panel j/b (left side of dash) Left headlight assembly Low Main body ecu Off Parking brake switch (base of park brake lever) Pkb Pnk Red Right headlight assembly Switch control light Switch dimmer Tail Tan Headlights Wiring Diagram, without DRL for Scion tC 2014 List of elements for Headlights Wiring Diagram, without DRL for Scion tC 2014: 48 (center of dash) j/c c64 A1 (left front of engine compt) A27 A28 A29 A3 (right front of engine compt) A30 A4 (right front of engine compt) Ac3 Ac4 B26 B33 Beam ind C15 C2 (right kick panel) C4 (left center of dash) C58 C59 Combination meter assembly D28 Dim relay Dimmer switch Ecu-b fuse 10a Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) Flash H-lp lh-hi fuse 10a H-lp lh-lo fuse 10a H-lp main fuse 50a H-lp relay H-lp rh-hi fuse 10a H-lp rh-lo fuse 10a Head Head ind Headlight dimmer switch assembly High Hot at all times Instrument panel j/b (left side of dash) J/c c58 & c59 (top center of dash) Left headlight assembly Light control switch Low Off Pnk Red Right headlight assembly Tail Tan
HORN Horn Wiring Diagram for Scion tC 2014 List of elements for Horn Wiring Diagram for Scion tC 2014: 15 (left side of dash) instrument panel j/b B29 C16 Engine room j/b (left side of engine compt) High horn (left front of engine compt) Horn Horn fuse 10a Horn relay Horn switch Hot at all times Low horn (left front of engine compt) Main body ecu Spiral cable (on steering column) Steering pad switch Z21
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Scion tC 2014 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Scion tC 2014: 67 (a/t) (canada) (usa) 5v ic 5v+b A/t oil temperature ind (if equipped) Abs ind Ac4 Ambient temperature sensor (thermistor assembly) (behind grille) Anti-lock brakes system Beam ind Brake ind Buzzer C2 (right kick panel) C4 (left center of dash) Can controller Can i/f Ch1 Charge ind Combination meter assembly Computer data lines system Cpu Cruise ind Display Door ind Drive monitor odo/ trip Eco ind Exterior lights system Fuel Fuel ind Fuel sender gauge (rear of vehicle) Gauge Head ind Headlights system I/f Ig2 Illumination ind Interior lights system Left turn ind Light control rheostat Maint reqd ind Malfunction indicator lamp Oil pressure ind Pnk Power steering ind Red Right turn ind Seat belt ind Set ind Shift indicator Slip ind Smart key ind Speedometer Srs ind Starting/charging system Tachometer Tail ind Tan Temperature cool ind Temperature hot ind Tire pressure ind Trac off ind Trip switch Vsc off ind Warning systems Washer ind Wiper/washer system Instrument Cluster Wiring Diagram (2 of 2) for Scion tC 2014 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Scion tC 2014: 88 A/t A1 (left front of engine compt) A35 Ac4 Ac5 Acc Acc fuse 5a Altb Am1 fuse 5a B26 B30 Ba3 Back door lock assembly (rear center of vehicle) Bcty Becu Brake fluid level warning switch (brake master cylinder reservoir sub-assembly) (on brake fluid reservoir) C15 C19 C2 (right kick panel) C31 C35 C4 (left center of dash) C43 C56 C58 C59 Canh Canl Certification ecu (right side of dash) Ch1 Cj2 Clock assembly Computer data lines system Courtesy D22 D38 D48 D52 D55 Driver's side door courtesy switch (left "b" pillar) Ecu- ig1 2 fuse 5a Ecu-b 2 fuse 10a Ecu-b fuse 10a Engine control module (left rear of engine compt) Engine oil pressure switch (right front of engine) Engine room r/b (left side of engine compt) Exterior lights system Flcy Frcy Front passenger's side door courtesy switch (right "b" pillar) Gnd1 Hazard warning switch Hot at all times Hot w/ Hot w/ acc relay energized Ig+ Ig1 1 relay energized Ig2 relay energized Ign fuse 7.5a Ill+ Ill- Ind Instrument panel j/b (left side of dash) Interior lights system J/c a32 (left end of dash) J/c c58 & c59 (top center of dash) J/c l11 (rear cargo area) Lh2 M/t Main body ecu Met fuse 7.5a P-ab Paon Parking brake switch (base of park brake lever) Passenger air bag on/off Pkb Pnk Power source control ecu (right side of dash) Radio receiver assembly Red Security indicator light Spd Tan Tire pressure warning ecu (center of dash) Transmission control ecu (top of transmission) Transponder key ecu (left side of dash) W/ smart key system W/o smart key system
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Scion tC 2014 List of elements for Courtesy Lamps Wiring Diagram for Scion tC 2014: 48 A18 B26 Back door lock assembly (rear center of vehicle) Bcty Becu C1 (left kick panel) C2 (right kick panel) C3 (left side of dash) C56 Ch1 Cj2 Courtesy Cty D48 D52 Dc1 Diode (luggage compartment light assembly 1) (left rear of vehicle) Dome fuse 10a Door Ec1 Ecu-b fuse 10a Engine room r/b (left side of engine compt) Fcty Flcy Frcy Gnd Gnd1 Hot at all times Ile Instrument panel j/b (left side of dash) J/c l11 (rear cargo area) Left front door courtesy light switch assembly (left "b" pillar) Left front door w/ motor lock assembly (driver's door) Lh2 Lsfl Lsfr Main body ecu Map light assembly (w/ sliding roof) Map light assembly (w/o sliding roof) Off Right front door courtesy light switch assembly (right "b" pillar) Right front door w/ motor lock assembly (front passenger's door) Room light assembly 1 Room light assembly 3 Tan Unlock detection W/ sliding roof W/o sliding roof Instrument Illumination Wiring Diagram for Scion tC 2014 List of elements for Instrument Illumination Wiring Diagram for Scion tC 2014: 65 (canada) tail ind (center of dash) j/c c64 5v ic Alt fuse 120a B26 Becu C2 (right kick panel) C23 C35 C37 C38 C39 C4 (left center of dash) C41 C56 C62 C63 Canh Canl Certification ecu assembly (right side of dash) Clock assembly Combination meter assembly Computer data lines system Cpu D48 D55 Ecu-b fuse 10a Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) Engine switch (w/ smart key system) (left side of dash) Gnd Gnd1 Head Headlight dimmer switch assembly Heater control sub- assembly 1 (center of dash) Heater control sub- assembly 2 (center of dash) Heater control sub- assembly 3 (center of dash) Hot at all times Hot in on or start I/f Ig+ Ill+ Ill- Illumi- nation Instrument panel j/b (left side of dash) J/c c62 & c63 (center of dash) Left seat heater switch Light control rheostat Light control switch Main body ecu Met fuse 7.5a Off Panel fuse 5a Pnk Radio receiver assembly Red Right seat heater switch Swil Tail Tail relay Tan Trly Vsc off switch W/ daytime running light W/o daytime running light
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Scion tC 2014 List of elements for Power Distribution Wiring Diagram (1 of 2) for Scion tC 2014: 92 (left side of dash) instrument panel j/b (left side of engine compt) engine room j/b A1 (left front of engine compt) Abs 1 fuse 50a Abs 2 fuse Ac1 Ac3 Accd Air conditioning system Alt fuse 120a Alt-s fuse 7.5a Am2 2 fuse 7.5a Am2 fuse 30a Am21 Am22 Amp fuse 30a Anti-lock brakes system Anti-lock brakes, cruise control, shift interlock, exterior lights, transmissions & engine control systems Anti-theft system B17 B18 Battery C/opn relay C4 (left center of dash) C42 C43 Cooling fans system D21 D22 D42 D43 D55 Dcc Def fuse 40a Defogger system Dome fuse 10a Door locks, anti-theft & trunk, tailgate, fuel doors systems E4 red Ecu-b fuse 10a Efi 1 fuse 15a Efi 1 relay Efi 2 fuse 15a Efi 2 relay Electronic power steering system Engine controls system Engine controls, cruise control & instrument cluster systems Engine room r/b (left side of engine compt) Engine switch (left side of dash) Eps fuse 80a Etcs fuse 10a Exterior lights system Fan 1 fuse 40a Fan 2 fuse 30a Gnd H-lp main fuse 50a Haz fuse 10a Headlights system Horn fuse 10a Horn relay Htr fuse 50a Ig1d Ig2 2 fuse 7.5a Ig2 fuse 15a Ig2 relay Ig2d Ign fuse 7.5a Interior lights, door locks, anti-thieft & starting/ charging systems J/c a32 (left end of dash) Met fuse 7.5a P/i-b fuse 50a Pnk Power source control ecu (w/ smart key system) (right side of dash) Rad 1 fuse 15a Red Red (or pnk) Shift interlock & anti-theft Shift interlock system Sound systems Ss1 Ss2 Ssw1 Ssw2 Starting/ charging system Stop fuse 10a Strg lock fuse 20a Systems Tan To ignition/ starter switch assembly (diagram 2 of 2) To instrument panel j/b (diagram 2 of 2) Transmissions system W/ smart key system W/o smart key system
POWER DOOR LOCKS Power Door Locks Wiring Diagram, with Smart Key System (1 of 4) for Scion tC 2014 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (1 of 4) for Scion tC 2014: 76 5v ic 5v+b Ac1 Ac4 Accd Am2 2 fuse 7.5a Am21 Am22 B26 Back door opener switch assembly Buzzer C15 C2 (right kick panel) C3 (left side of dash) C42 C43 C58 C59 C60 C61 Ca1h Ca1l Ca3n Ca3p Can controller Can i/f Canh Canl Ch2 Combination meter assembly Computer data lines system Cpu D53 D55 Ecu-b fuse 10a Engine room r/b (left side of engine compt) Gnd Gnd2 Hot at all times Hot w/ ig2 relay energized I/f Ig+ Ig1d Ig2 Ig2d Inds Indw Instrument panel j/b (left side of dash) J/c c58 & c59 (top center of dash) J/c c60 & c61 (right side of dash) J/c l11 (rear cargo area) Lh2 Lin2 Lock Met fuse 7.5a Open Pnk Power distribution system Power source control ecu (right side of dash) Red Shift interlock system Slp Slr+ Smart key ind Sp1 Spd Ssw1 Ssw2 Sta Star Starting/ charging system Stop fuse 10a Stop light switch assembly (left side of dash) Stp1 Tan Vsc actuator assembly (left rear of engine compt) Power Door Locks Wiring Diagram, with Smart Key System (2 of 4) for Scion tC 2014 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (2 of 4) for Scion tC 2014: 67 (left kick panel) c1 (left side of dash) c3 (left side of dash) instrument panel j/b Acc Acc fuse 5a Act+ Act- Actd Altb Am1 fuse 5a B26 B29 B35 Becu Bzr C1 (left kick panel) C12 C2 (right kick panel) C3 (left side of dash) C56 Canh Canl Computer data lines system D- door unlock relay D/l fuse 20a D10 D11 D12 D48 D52 Dc1 Dc2 Dp- door lock relay Ec1 Ec2 Ecu- ig1 2 fuse 5a Exterior lights system Flcy Frcy Gnd1 Haz Horn Horns system Hot at all times Hot in on or acc Hot in on or start Ile Interior lights system Left front door w/ motor lock assembly Lock Lock key Lock un- Lsfl Lsfr Lssr Main body ecu P- door unlock relay Pnk Power window regulator master switch assembly Red Right door control switch assembly Right front door w/ motor lock assembly Tan Ul1 Ul3 Unlock detection Unlock key Power Door Locks Wiring Diagram, with Smart Key System (3 of 4) for Scion tC 2014 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (3 of 4) for Scion tC 2014: 38 (left center of dash) c4 (left rear of engine compt) engine control module (left side of dash) engine switch A1 (left front of engine compt) A35 Ac3 Agnd Antenna coil B26 C34 C4 (left center of dash) C62 C63 Canh Canl Cj2 Clock assembly Code Com Computer data lines system Gnd Inds Indw Instrument panel j/b (left side of dash) J/c c62 & c63 (center of dash) Left front door courtesy light switch assembly Neo Pnk Red Right front door courtesy light switch assembly Security indicator light Ss1 Ss2 Swil Tan Txct Vc5 Wireless door lock buzzer (left rear of engine compt) Power Door Locks Wiring Diagram, with Smart Key System (4 of 4) for Scion tC 2014 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (4 of 4) for Scion tC 2014: 76 (rear cargo area) indoor electrical key antenna 2 (rear cargo area) indoor electrical key antenna 3 (rear cargo area) outside luggage electrical key antenna (under floor console) indoor electrical key antenna 1 Agnd Ant1 Ant2 B30 C1 (left kick panel) C3 (left side of dash) C35 C36 Canh Canl Certification ecu assembly (right side of dash) Cg1b Cg2b Cg5b Cg6b Cg7b Cg8b Ch2 Cj2 Clg1 Clg2 Clg3 Clg4 Clg5 Clg6 Clg7 Clg8 Clgb Code Computer data lines system Cutb D39 D42 Data Dc2 Df1 Door control receiver (left rear of passenger compt) Ec2 Ecu-b 2 fuse 10a Eg1 Engine room r/b (left side of engine compt) Gnd H1 (base of left "b" pillar) H2 (left quarterpanel) Hot at all times Hot in on or start Ign fuse 7.5a Ind Instrument panel j/b (left side of dash) J/c c61 (right side of dash) Left outside electrical key antenna (driver's door) Lin Pnk Pos1 Pos2 Rco Rda Red Right outside electrical key antenna (passenger's door) Rssi Sen1 Sen2 Sens Swil Tan Trg+ Tsw1 Tsw2 Tsw5 Tsw6 Txct Vc5 Power Door Locks Wiring Diagram, without Smart Key System for Scion tC 2014 List of elements for Power Door Locks Wiring Diagram, without Smart Key System for Scion tC 2014: 91 A/t A1 (left front of engine compt) A35 Acc Acc fuse 5a Act+ Act- Actd Altb Am1 fuse 5a B11 B26 B29 B30 B35 Ba1 Becu Bkup lp fuse 7.5a Bzr C1 (left kick panel) C12 C2 (right kick panel) C3 (left side of dash) C4 (left center of dash) C56 Canh Canl Ch1 Cj2 Computer data lines system D- door unlock relay D/l fuse 20a D10 D11 D12 D48 D52 Dc1 Dc2 Detection unlock Door control receiver (lower left "c" pillar) Dp- door lock relay Ec1 Ec2 Ecu- ig1 2 fuse 5a Ecu-b fuse 10a Engine compt) Engine control module (left rear of Engine room r/b (left side of engine compt) Exterior lights system Flcy Frcy Gnd Gnd1 H1 (base of left "b" pillar) Haz Horn Horns system Hot at all times Hot in on or acc Hot in on or start Instrument panel j/b (left side of dash) Interior lights systems J/c c58 (top center of dash) J/c c64 (center of dash) Ksw Left front door courtesy light switch assembly Left front door w/ motor lock assembly Lock Lock key Lsfl Lsfr Lssr Main body ecu ile P- door unlock relay Park/neutral position switch (rear of transmission) Pnk Power window regulator master switch assembly Prg Rda Red Right door control switch assembly Right front door courtesy light switch assembly Right front door w/ motor lock assembly Tan Ul1 Ul3 Unlock Unlock key Unlock warning switch assembly (left side of dash) Wireless door lock buzzer (left rear of engine compt)
POWER MIRRORS Power Mirrors Wiring Diagram for Scion tC 2014 List of elements for Power Mirrors Wiring Diagram for Scion tC 2014: 17 Acc fuse 5a C2 (right kick panel) C32 C58 C59 Dc2 Down Ec2 Hot in acc or on Instrument panel j/b (left side of dash) J/c c58 & c59 (top center of dash) Left outer rear view mirror (at left door mirror) Operation switch Outer mirror switch assembly Pnk Right outer rear view mirror (at right door mirror) Select switch
POWER SEATS Power Seats Wiring Diagram for Scion tC 2014 List of elements for Power Seats Wiring Diagram for Scion tC 2014: 16 C4 (left center of dash) Ch1 Cj2 H2 (left quarterpanel) Hot in on or start Instrument panel j/b (left side of dash) Interior lights system Left front seat cushion heater assembly Left seat heater switch Pnk Red Right front seat cushion heater assembly Right seat heater switch S/htr fl fuse 10a S/htr fr fuse 10a Tan
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Scion tC 2014 List of elements for Power Top/Sunroof Wiring Diagram for Scion tC 2014: 41 (left "b" pillar) driver's side door courtesy switch 5v ic 5v+b Altb Am1 fuse 5a Buzzer C1 (left kick panel) C2 (right kick panel) C56 Can controller Can i/f Canh Canl Close Combination meter assembly Computer data lines system Cpu D48 D55 Down Dwn Ecu-ig1 1 fuse 5a Flcy Gnd Hot at all times Hot in on or start I/f Ig+ Instrument panel j/b (left side of dash) Lin2 Main body ecu Map light assembly Met fuse 7.5a Mpx1 Open Pnk Red S/roof fuse 30a Slide roof control switch Sliding roof control ecu (center front of roof) Tan
POWER WINDOWS Power Windows Wiring Diagram for Scion tC 2014 List of elements for Power Windows Wiring Diagram for Scion tC 2014: 33 Alt fuse 120a Altb Am1 fuse 5a C1 (left kick panel) C2 (right kick panel) C21 C56 D13 D14 D48 Dc1 Dc2 Door fl fuse 30a Door fr fuse 20a Door locks system Down Ec1 Ec2 Engine room j/b (left side of engine compt) Flcy Gnd1 Hot at all times Instrument panel j/b (left side of dash) Left front door courtesy light switch assembly (left "b" pillar) Left power window regulator motor assembly (driver's door) Main body ecu Pnk Power relay Power window regulator master switch assembly Pws Right power window regulator motor assembly (front passenger's door) Right power window regulator switch assembly Tan
RADIO Radio Wiring Diagram (1 of 2) for Scion tC 2014 List of elements for Radio Wiring Diagram (1 of 2) for Scion tC 2014: 67 (on steering column) Ac4 Acc Acc fuse 5a Agnd Ali Amp Amp fuse 30a Ant Antenna Antenna amplifier assembly (center of dash) Ari Asgn Au1 Au2 Auxi C14 C5 (right center of dash) C67 C68 Cc1 Ch1 Cj2 Eau Engine room r/b (left side of engine compt) Fl+ Fl- Fr+ Fr- Gnd Hot at all times Hot in acc or on Ill+ Ill- Instrument cluster system Instrument panel j/b (left side of dash) Interior lights system Left rear speaker assembly Macc Min+ Min- Mode Nca Pnk Rad 1 fuse 15a Radio receiver assembly Red Right rear speaker assembly Rl+ Rl- Rr+ Rr- Seek+ Seek- Sgnd Sns2 Spd Spiral cable Steering pad switch Stereo jack adapter assembly 1 Sub-assembly Sw1 Sw2 Swg Vol+ Vol- Z21 Radio Wiring Diagram (2 of 2) for Scion tC 2014 List of elements for Radio Wiring Diagram (2 of 2) for Scion tC 2014: 36 (center front roof) (under driver's seat) stereo component amplifier assembly Amp+ C22 C23 C5 (right center of dash) C60 C61 Dc1 Ec1 Fl+ Fl- Fr+ Fr- Gnd J/c c60 & c61 (right side of dash) Kc1 Left front speaker assembly 1 Left front speaker assembly 2 Left front speaker assembly 3 Macc Mco+ Mco- Nca Pnk Red Right front speaker assembly 1 Right front speaker assembly 2 Right front speaker assembly 3 Sns2 Tw+ Tw- Wfl+ Wfl- Wfr+ Wfr-
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Scion tC 2014 List of elements for Shift Interlock Wiring Diagram for Scion tC 2014: 44 A35 Acc Acc fuse 5a B11 B30 Ba1 Bkup lp fuse 7.5a C13 C4 (left center of dash) C43 C58 C59 Ca1h Ca1l Canh Canl Computer data lines system Control module (left rear of engine compt) Cz3 D36 D54 Ecu-ig1 1 fuse 5a Engine Engine room r/b (left side of engine compt) Hot at all times Hot w/ acc relay energized Hot w/ ig1 relay 1 energized Instrument panel j/b (left side of dash) J/c c58 & c59 (top center of dash) J/c c64 (center of dash) Key interlock solenoid (w/o smart key system) (left side of dash) Kls+ Park/neutral position switch (a/t) (rear of transmission) Power source control ecu (right side of dash) Red Shift lock control ecu (under center console) Shift lock solenoid Sls+ Sls- Stop fuse 10a Stop light switch assembly Stp Tan W/o smart key system Steering Column Wiring Diagram for Scion tC 2014 List of elements for Steering Column Wiring Diagram for Scion tC 2014: 31 (center of dash) junction connector c62 & c63 Ac4 C2 (right kick panel) C35 C43 C62 C63 Ca1h Ca1l Canh Canl Certification ecu (right side of dash) Computer data lines system Engine room r/b (left side of engine compt) Gnd Hot at all times Hot w/ ig2 relay energized Ig2 Ige Ign fuse 7.5a Instrument panel j/b (left side of dash) Lin Lin2 Pnk Power source control ecu (right side of dash) Red Slp Slp1 Slr+ Steering lock actuator (left side of dash) Strg lock fuse 20a
STARTING/CHARGING Charging Wiring Diagram for Scion tC 2014 List of elements for Charging Wiring Diagram for Scion tC 2014: 24 (left rear of engine compt) ecm (engine control module) Ac4 Alt Alt fuse 120a Alt-s fuse 7.5a B30 B40 Ba1 Ba3 Battery Charge ind Chg- Combination meter assembly D55 Ecu-ig1 1 fuse 5a Engine room j/b (left side of engine compt) Engine room r/b (left side of engine compt) Generator (right front of engine) Hot in on or start Ig+ Instrument panel j/b (left side of dash) Met fuse 7.5a Starter assembly Tan Starting Wiring Diagram for Scion tC 2014 List of elements for Starting Wiring Diagram for Scion tC 2014: 45 A/t A35 Ac1 Ac3 Acc Am1 Am1 fuse 5a Am2 Am2 fuse 30a B30 Ba2 Battery C1 (left kick panel) C30 C42 C43 Ca1h Ca1l Clutch start switch assembly (left end of dash) Computer data lines system D27 Ecm (engine control module) (left rear of engine compt) Engine room r/b (left side of engine compt) Hot at all times Ignition switch Instrument panel j/b (left side of dash) J/c a32 (left end of dash) Lock M/t Nsw On off Park/neutral position switch (rear of transmission) Pnk Power source control ecu (right side of dash) R/b 3 assembly (left center of dash) Red St relay Sta Star Start Starter assembly Tan Transmission control ecu assembly (a/t) (top of transmission) W/ smart key system W/o smart key system
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Scion tC 2014 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Scion tC 2014: 90 (driver's door) left door side air bag sensor (driver's seat belt buckle) left front seat inner belt assembly (driver's seat) left front seat air bag assembly (left "b" pillar) left side air bag sensor assembly (left "c" pillar) left rear air bag sensor +sl +sr -sl -sr 5v ic 5v+b Ac7 Air bag sensor assembly (lower center of dash) Bbl+ Bbl- Bbr+ Bbr- Bcl+ Bcl- Bcr+ Bcr- Bdl+ Bdl- Bdr+ Bdr- Buckle switch C2 (right kick panel) C20 Can controller Can i/f Canh Canl Cj3 Combination meter assembly Computer data lines system Cpu D2+ D2- Dj1 Dk+ Dk- Eh1 Fsr+ Fsr- H10 Hz1 Icl+ Icl- Icr+ Icr- Ig+ Ig2 J/c c64 (center of dash) Jz1 Jz2 Lbe+ Lbe- Left curtain shield air bag assembly Left front air bag sensor (left front of engine compt) Left front seat outer belt assembly Lsp+ Lsp- P-ab P2+ P2- Paon Pk+ Pk- Pl+ Pl- Pr+ Pr- Pretensioner Red Right curtain shield air bag assembly Right door side air bag sensor (passenger's door) Right front air bag sensor (right front of engine compt) Right front seat air bag assembly (passenger's seat) Right front seat outer belt assembly Right lower instrument panel air bag assembly 2 (lower right side of dash) Right rear air bag sensor (right "c" pillar) Right side air bag sensor assembly (right "b" pillar) Seat position sensor Sfl+ Sfl- Sfr+ Sfr- Srs ind Vhp+ Vhp- Supplemental Restraints Wiring Diagram (2 of 2) for Scion tC 2014 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Scion tC 2014: 92 (left side of dash) c3 (right side of dash) j/c c60 & c61 Acc Acc fuse 5a B30 Bgnd Bsw C1 (left kick panel) C2 (right kick panel) C31 C4 (left center of dash) C60 C61 Cj1 Cj2 w/ smart key system Clock assembly Cz1 Cz2 D18 D2+ D2- D20 D21 D22 D23 D24 D26 D38 D41 D44 D45 D47 D48 D55 Data link connector 3 (left end of dash) Dia Dk+ Dk- Driver side squib 2nd step circuit Driver side squib circuit Ecu-b 2 fuse 10a Engine room r/b (left side of engine compt) Front passenger side squib circuit (instrument panel passenger w/o door air bag assembly) Fsr+ Fsr- Gnd Hot at all times Hot w/ acc relay energized Hot w/ ig2 relay energized Ig+ Ig2 Ign fuse 7.5a Instrument panel j/b (left side of dash) J/c c64 (center of dash) Jz1 Left front occupant classification sensor (under front passenger's seat) Left lower instrument panel air bag assembly 2 (lower left side of dash) Left rear occupant classification sensor (under front passenger's seat) Met fuse 7.5a Occupant classification ecu (under front passenger's seat) P-ab P2+ P2- Paon Passenger air bag on/off Pnk Rbe+ Rbe- Red Right front occupant classification sensor (under front passenger's seat) Right front seat inner belt assembly (front passenger's seat belt buckle) Right rear occupant classification sensor (under front passenger's seat) Sgd1 Sgd2 Sgd3 Sgd4 Sig1 Sig2 Sig3 Sig4 Spiral cable sub-assembly (on steering column) Svc1 Svc2 Svc3 Svc4 Switch buckle Tan Vhp+ Vhp- W/o smart key system Z20 Z22
TRANSMISSION Transmission Wiring Diagram (1 of 2) for Scion tC 2014 List of elements for Transmission Wiring Diagram (1 of 2) for Scion tC 2014: 44 (left side of dash) stop lamp switch (top of transmission) Ac5 B1 (front of engine) B11 B18 B2 (front of engine) B22 Ba1 Ba3 Batt Bkup lp fuse 7.5a Can+ Can- Computer data lines system D36 D55 E01 Ecu-b fuse 10a Ecu-ig1 1 fuse 5a Engine room r/b (left side of engine compt) Hot at all times Hot w/ ig1 1 relay energized Hot w/ ig2 relay energized Ign fuse 7.5a Igsw Instrument cluster system Instrument panel j/b (left side of dash) Left paddle shift switch Met fuse 7.5a Nsw Paddle shift switch Pnk Red Right paddle shift switch Spd Spiral cable (on steering column) Sta Starting/charging system Steering pad switch Stop fuse 10a Stp Transmission control ecu Z21 Transmission Wiring Diagram (2 of 2) for Scion tC 2014 List of elements for Transmission Wiring Diagram (2 of 2) for Scion tC 2014: 54 (center of dash) (or red) (top center of dash) 5v ic 5v+b A/t oil temperature ind A1 (left front of engine compt) A35 Ac5 B30 Ba1 Buzzer C2 (right kick panel) C58 C59 C62 C63 Can Can i/f Can+ Can- Canh Canl Combination meter assembly Computer data lines system Controller Cpu Display Efi 1 fuse 15a Efi 1 relay Engine control module (left rear of engine compt) Engine controls systems Engine room j/b (left side of engine compt) Hot at all times I/f Ig+ Indicator J/c c59 & c58 J/c c62 & c63 J/c c64 (center of dash) Mrel Park/neutral position switch assembly (rear of transmission) Pnk Red Sftd Sftu Shift Starting/ charging system Stp Tach Tan Transmission control switch W/ paddle shift switch W/o paddle shift switch
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagram for Scion tC 2014 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram for Scion tC 2014: 47 5v ic 5v+b Back door Back door lock assembly (rear center of vehicle) Back door lock relay Bcty Bdsu Buzzer C1 (left kick panel) C2 (right kick panel) C35 C56 Can controller Can i/f Canh Canl Certification ecu (w/ smart key system) (right side of dash) Ch1 Ch2 Combination meter assembly Computer data lines system Courtesy Cpu D/l fuse 20a D48 D55 Gnd1 Hot at all times Hot in on or start I/f Ig+ Instrument panel j/b (left side of dash) J/c l11 (rear cargo area) Lh2 Lock Main body ecu Met fuse 7.5a Open Opener switch assembly Pnk Red Tan Tr+ Tsw5 Tsw6 W/ smart key system W/o smart key system
WARNING SYSTEMS Key Reminder & Seat Belt Warning Wiring Diagram for Scion tC 2014 List of elements for Key Reminder & Seat Belt Warning Wiring Diagram for Scion tC 2014: 96 (left side of dash) (right side of dash) (under front passenger's seat) 5v+b Acc Acc fuse 5a Air bag sensor assembly (lower center of dash) Altb Am1 fuse 5a B26 Bgnd Bsw Buckle switch Buzzer C15 C2 (right kick panel) C20 C23 C4 (left center of dash) C41 C56 C60 C61 Can controller Can i/f Canh Canl Cj1 Cj2 Combination meter assembly Computer data lines Computer data lines system Cpu D21 D48 D55 Ecu-b fuse 10a Ecu-ig1 fuse 5a Engine room r/b (left side of engine compt) Flcy Fsr+ Fsr- Gnd Gnd1 H10 Head Headlight dimmer switch assembly Hot at all times Hot w/ acc relay energized Hot w/ ig2 relay energized I/f Ic 5v Ig2 Ign fuse 7.5a Instrument panel j/b (left side of dash) J/c c58 (top center of dash) J/c c60 & c61 J/c c64 (center of dash) Jz1 Ksw Lbe+ Lbe- Left front door courtesy light switch assembly Left front occupant detection sensor (under front passenger's seat) Left front seat inner belt assembly (driver's seat belt buckle) Left rear occupant detection sensor Light control switch Main body ecu Met fuse 7.5a Occupant classification ecu (under front passenger's seat) Off Pnk Red Right front occupant detection sensor (under front passenger's seat) Right front seat inner belt assembly (front passenger's seat belt buckle) Right rear occupant detection sensor (under front passenger's seat) Seat belt ind Sgd1 Sgd2 Sgd3 Sgd4 Sig1 Sig2 Sig3 Sig4 Svc1 Svc2 Svc3 Svc4 System Tail Unlock warning switch (w/o smart key system) (left side of dash) W/ drl W/ smart key system W/o drl W/o smart key system Tire Pressure Monitoring Wiring Diagram for Scion tC 2014 List of elements for Tire Pressure Monitoring Wiring Diagram for Scion tC 2014: 45 +5v 5v ic Ac4 B26 C15 C2 (right kick panel) C58 C59 Canh Canl Cj1 Clsw Combination meter assembly Computer data lines system Cpu D36 D55 Ecu-b fuse 10a Ecu-ig1 1 fuse 5a Engine room r/b (left side of engine compt) Gnd Gnd2 Hot at all times Hot w/ ig1 1 relay energized Hot w/ ig2 relay energized I/f Ig2 Ind Instrument panel j/b (left side of dash) J/c c58 & c59 (top center of dash) J/c c64 (center of dash) Met fuse 7.5a Rda Red Rf5v Sil Sp1 Spd Tach Tan Tire pressure ind Tire pressure warning antenna & receiver (right "c" pillar) Tire pressure warning ecu (center of dash) Tire pressure warning reset switch Vsc actuator assembly (left rear of engine compt)
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Scion tC 2014 List of elements for Front Wiper/Washer Wiring Diagram for Scion tC 2014: 29 5v ic A3 (right front of engine compt) A4 (right front of engine compt) Ac4 B10 C1 (left kick panel) C11 C12 Combination meter assembly Cpu D55 Front washer switch Front wiper switch Hot in on or start I/f Instrument panel j/b (left side of dash) Int Level warning switch (canada) (right headlight assembly) Met fuse 7.5a Mist Off Pnk Red Washer fr fuse 10a Washer ind (canada) Windshield washer motor (right front of engine compt) Windshield wiper motor (left rear of engine compt) Windshield wiper switch assembly Wip fr fuse 30a Rear Wiper/Washer Wiring Diagram for Scion tC 2014 List of elements for Rear Wiper/Washer Wiring Diagram for Scion tC 2014: 18 Ac4 C1 (left kick panel) C11 C12 Ch1 Hot in on or start Instrument panel j/b (left side of dash) J/c l11 (rear cargo area) Lh2 Off On+washer Rear washer & wiper switch Rear washer motor (right front of engine compt) Rear wiper motor (center of rear door) Wash Washer rr fuse 7.5a Windshield wiper switch assembly Wip rr fuse 15a
