Wiring Diagrams for Scion tC I (2004-2007)

Manual a/c circuit

Anti-lock brakes circuit

Immobilizer circuit

Computer data lines circuit

Cooling fan circuit

Cruise control circuit

Defoggers circuit

Wiring diagram engine performance 2.4l

Back-up lamps circuit Exterior lamps circuit

Ground distribution circuit

Headlights circuit

Horn circuit

Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Power distribution circuit

Power door locks circuit

Power mirrors circuit

Power top/sunroof circuit

Power windows circuit

Radio circuit

Shift interlock circuit

Charging circuit Starting circuit

Supplemental restraints circuit

A/t circuit

Trunk, tailgate, fuel door circuit

Warning systems circuit

Front wiper/washer circuit

ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM INTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES, TRANSMISSIONS SYSTEM BACK DOOR LOCK ASSEMBLY BATTERY GROUND DRIVER'S SIDE DOOR LOCK ASSEMBLY FRONT PASSENGER'S SIDE DOOR LOCK ASSEMBLY IGNITION COIL 1 IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 SPIRAL CABLE IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 KEY COIL LOCK OFF TRANSPONDER KEY AMPLIFIER

ANTI-LOCK BRAKES SYSTEM ENGINE CONTROLS SYSTEM BLOWER MOTOR ENGINE COMPT) ENGINE CONTROLS SYSTEM WARNING SYSTEM ENGINE ROOM R/B ENGINE ROOM R/B 2 ENGINE ROOM R/B (LEFT SIDE ENGINE ROOM R/B (LEFT SIDE OF MOON- ROOF MOTOR RADIATOR FAN MOTOR TOP OF ENGINE) WINDSHIELD WASHER MOTOR WINDSHIELD WIPER MOTOR

DATA LINK CONNECTOR DATA LINK CONNECTOR 3 DATA LINK CONNECTOR 3 (LOWER LEFT JUNCTION CONNECTOR JUNCTION CONNECTOR 4, 5 JUNCTION CONNECTOR 6 (BEHIND LEFT SIDE OF DASH, JUNCTION CONNECTOR 10 POWER POINT SOCKET SOCKET FUSE

EFI RELAY, ENGINE CONTROL MODULE ENGINE CONTROL MODULE PARK/NEUTRAL POSITION SWITCH, CLUTCH START SWITCH, ENGINE CONTROL MODULE TRANSPONDER KEY ECU ENGINE CONTROL MODULE

A/C CONTROL ASSEMBLY DOOR CONTROL RECEIVER, TRANSPONDER KEY ECU A/T SHIFT LEVER ILLUMINATION SHIFT LOCK CONTROL ECU A/C CONTROL ASSEMBLY ECU B+ ECU-B FUSE ECU-IG FUSE FUSE ECU-B OF ENGINE COMPT) FUSE ECU-IG GENERATOR, SHIFT LOCK CONTROL ECU, MG/C RELAY SHIFT LOCK CONTROL ECU SKID CONTROL ECU W/ ACTUATOR SKID CONTROL ECU W/ ACTUATOR (RIGHT FRONT OF SLIDING ROOF CONTROL ECU STOP LAMP SWITCH TRANSPONDER KEY ECU

A/C FUSE GAUGE FUSE ABS 1 FUSE ABS 2 FUSE ALT FUSE ALT-S FUSE CDS FUSE CIG FUSE DCC FUSE DEF FUSE DOME FUSE DOOR FUSE DOOR FUSE FR FOG FUSE EFI FUSE ETCS FUSE F/L DOOR FUSE F/R DOOR FUSE FL DOOR FUSE DEF FUSE FUSE FR WIP FUSE FR WSH FUSE FROM MAIN FUSE ENGINE ROOM R/B FUSE AC FUSE CDS FUSE GAUGE FUSE HTR FUSE RDI GAUGE FUSE H-LP RH HI FUSE HORN FUSE HOT AT ALL TIMES HORN FUSE HOT IN ON OR START GAUGE FUSE HTR FUSE IGN FUSE LH-HI H-LP FUSE LH-LO H-LP FUSE MAIN FUSE PANEL FUSE RAD 1 FUSE RDI FUSE RH-HI H-LP FUSE RH-LO H-LP FUSE RR DEF I/UP FUSE S/ROOF FUSE S/ROOF FUSE STOP FUSE STOP FUSE TAIL FUSE TRLY TAIL FUSE TURN, HAZ FUSE

SECURITY INDICATOR LAMP

BACK UP LAMP CENTER STOP LAMP IGNITION KEY CYLINDER LAMP LAMP IND MALFUNCTION LEFT FRONT TURN SIGNAL LAMP LEFT LICENSE PLATE LAMP LEFT PARKING LAMP LEFT REAR COMBINATION LAMP MAP LAMP RADIO RECEIVER ASSEMBLY CENTER STOP LAMP LEFT LICENSE PLATE LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT LICENSE PLATE LAMP RIGHT REAR COMBINATION LAMP RIGHT REAR COMBINATION LAMP BACK UP LAMP SIDE TURN SIGNAL LAMP

FUEL SUCTION PUMP, GAGE ASSEMBLY LEAK DETECTION PUMP ASSEMBLY

C/OPN RELAY DEF RELAY DEFOGGER RELAY EFI RELAY ENGINE ROOM R/B 2 ST RELAY FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FAN RELAY 1 FAN RELAY 2 FAN RELAY 3 FLASH RELAY FLASHER RELAY FLASHER RELAY, DEF RELAY, HTR RELAY H-LP RELAY HORN RELAY HTR RELAY IG 1 RELAY IG 2 RELAY INTEGRATION RELAY MG/C RELAY DOOR LOCK CONTROL SWITCH, POWER WINDOW MASTER SWITCH POWER POINT SOCKET RELAY ST RELAY T-LP RELAY TAIL FUSE FLASH RELAY

AIR BAG SENSOR ASSEMBLY AIR BAG SENSOR ASSEMBLY CENTER CAMSHAFT POSITION SENSOR CENTER AIRBAG SENSOR ASSEMBLY (LOWER CENTER CRANKSHAFT POSITION SENSOR HEATED OXYGEN SENSOR BANK 1 SENSOR 2 PRESSURE SENSOR RIGHT REAR SPEED SENSOR SEAT POSITION AIRBAG SENSOR

LEFT FRONT DOOR SPEAKER LEFT REAR SPEAKER RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER

BUCKLE SWITCH COMBINATION SWITCH COURTESY SWITCH CRUISE CONTROL SWITCH DIMMER SWITCH DOOR COURTESY SWITCH DOOR LOCK CONTROL SWITCH FROM IGNITION SWITCH FRONT PASSENGER'S SIDE POWER WINDOW SWITCH FRONT WIPER SWITCH HAZARD SWITCH HORN SWITCH IGNITION SWITCH LIGHTING SWITCH OFF TAIL LIGHT CONTROL SWITCH HEAD OPERATION SWITCH OUTER MIRROR SWITCH PARK/NEUTRAL POSITION SWITCH POWER WINDOW MASTER SWITCH PRESSURE SWITCH RADIO RECEIVER ASSEMBLY OUTER MIRROR SWITCH RIGHT LICENSE PLATE LAMP BACK DOOR OPENER SWITCH SELECT SWITCH SLIDE ROOF CONTROL SWITCH STOP LAMP SWITCH TIRE PRESSURE WARNING SWITCH TURN SIGNAL SWITCH UNLOCK WARNING SWITCH (LEFT SIDE WASHER SWITCH

CLOSED VALVE CANISTER SHIFT LOCK SOLENOID

1 2 3 4 5 6 7 8 9 10 FR+ FL+ PNK WIRE 1 2 3 4 5 PNK WIRE 7 3 8 PNK PNK WIRE 7 6 PNK WIRE 12 11 10 9 8 7 6 5 4 3 2 1 SGND PNK WIRE 18 19 20 PNK WIRE 30 1 2 PNK A/CS HP ACMG WIRE 30 2 PNK WIRE +B PNK SPD WIRE BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE FR- FR+ BRL RR+ RR- PNK WIRE GRN WIRE GRY WIRE LA TC SIL PNK WIRE LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PCT PNK WIRE PNK 4 WIRE PNK A/CS WIRE PNK ELS WIRE PNK IG TPM TP TAM WIRE PNK IG WIRE PNK SEAT WIRE PNK TC WIRE PNK WIRE PNK/ UNLOCK WIRE RED WIRE VC PNK WIRE VCPA PNK WIRE VIO WIRE WFSE BAT PNK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 #1 #2 #3 #4 1 2 3 4 5 6 7 8 9 10 PWS 1 2 3 4 5 6 RR+ RL+ RR- 1 2 3 4 D+ D- 1 2 +ACC 1 2 ESCL VUCL 1 2 ESL VUPL 3 8 9 1 18 20 19 29 23 27 28 22 26 15 BATT MREL IGSW +B SIL TC WFSE 3 MV COM MH 3 SPD 4 5 6 ALTB SIG ECUB 5 4 3 2 1 +B 5 20 19 18 TACH TC WFSE SIL 5 MH 6 19 12 10 17 13 +BM STP 7 13 15 SIL TC WFSE 14 28 19 FAN 14 32 28 19 FAN THE 17 16 18 31 21 19 28 20 29 30 STA NSW VC 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 VC THW THA 19 1 BDSU BACT 20 19 18 17 16 15 14 13 IG VC 2005- (CENTER *LT +B FR- FL- GND ANT +BM -SR -SL +SR +SL A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY A/T SHIFT LEVER ILLUMINATION A/C CONTROL RR DEF ASSEMBLY A/CS ACMG A/T M/T ABS IND. AF- AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM BATT MPMP TACH BEAM IND BRAKE IND CENTER ROOM CG SG CHARGE IND CIGARETTE LIGHTER COMBINATION METER COMBINATION METER FRONT CONSOLE ILLUMINATION COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE IND DETECTION SW DK DK DOOR CONTROL RECEIVER DOOR IND DOOR LOCKS SYSTEM DOOR ON OFF DRIVER'S SEAT BELT IND DRIVER'S SIDE FRONT SEAT INNER BELT DSP+ DBE+ DSP- DBE- VUPD VUCD ESD ESCD EB (RIGHT FRONT OF ECUB PCTY DCTY END OF DASH) EPA VPA VCPA EOM ER EHW LR LL ESCP VUPP ESCR VUCR EVG VG F/PS EOM FL- FL+ STP RL+ RL- WA D/G TS TC FRHR BLC SPD FRONT CONSOLE ILLUMINATION FRONT PASSENGER'S SIDE FRONT SEAT INNER BELT FUEL IND FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL SENDER GND DCTY GND SGND HEADLIGHTS SYSTEM HIGH BEAM IND LIGHT HIGH OFF HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR ACC HOT IN ON OR START ICD+ ICD- ICP+ ICP- IG UP DN ILL- RL- IMO IMI INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT J/C 11, 12 KLS+ KOF GND LEFT HIGH HEADLAMP LEFT LOW HEADLAMP LEFT OUTER REAR VIEW MIRROR LEFT REAR OUTER VIEW MIRROR LEFT TURN IND LEFT TURN IND RIGHT TURN IND LEFT TWEETER LH/ UP RH/ DOWN UP DOWN LO HI LOW/ MIST INT LOW/ MIST INT INT LOW/ MIST M+ VL HR M- M+ MAIN FUSBILE LINK MAIN FUSIBLE LINK MALFUNCTION IND MREL IGSW FC NC+ NT+ EKNK NC- NT- NE+ NOISE FILTER NT+ NT- NC+ NC- OCCUPANT DETECTION + ODO/TRIP ILLUMINATION OF DASH) OIL PRESSURE IND ON OFF P+ P- P- P+ D+ D- PCT PLS PEDAL ASSEMBLY) PKB INIT POWER CIRCUIT PP- PP+ ICP+ ICP- SFP- SFP+ PRG RDA GND RADIO RECEIVER ASSEMBLY RBE+ RIGHT HIGH HEADLAMP RIGHT LOW HEADLAMP RIGHT OUTER REAR MIRROR VIEW RIGHT OUTER REAR VIEW MIRROR RIGHT PARKING RIGHT REAR OUTER VIEW MIRROR RIGHT TURN IND RIGHT TWEETER SEAT) SG-TPM SG-TP SG-TAM SIDE OF DASH) SIL WFSE TC PPMP VPA SL- SLIDING ROOF CONTROL SLS+ SLS- SLT- SLT- SLT+ SOLID STATE SPD PI SPIRAL CABLE SR- SRS IND STARTING CIRCUIT STP +BM SPD SUPPLEMENTAL RESTRAINTS SYSTEM TAIL OFF THA EVG VG THROTTLE BODY ASSEMBLY TILT UP TIRE PRESSURE IND TRANSMISSIONS SYSTEM TS TC VM +B SI GND VUCP VUPP VUPR ESR WARNING SYSTEM WTIR PN