Toyota Corolla IX (2000-2004) integration relay Wiring diagrams

+BM +BS RL- PNK WIRE 16 11 TS TC ABS ACTUATOR, ECU (LEFT REAR OF ENGINE COMPT) ABS FUSE ABS WARNING IND BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CENTER J/B (BEHIND CENTER OF DASH) COMBINATION METER DATA LINK CONNECTOR 1 (ON LEFT REAR OF ENGINE COMPT) DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EB (FRONT OF LEFT FRONT FENDER) ECU-IG FUSE FUSIBLE LINK BLOCK (TOP LEFT SIDE OF ENGINE ROOM J/B) GAUGE FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IE (ON LEFT DASH BRACE) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INTEGRATION RELAY J/C 1 (BEHIND LEFT KICK PANEL) J/C 13 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 6 (BEHIND UPPER CENTER OF DASH) J/C 8 (BEHIND LOWER CENTER OF DASH) JAPAN PROD LEFT FRONT ABS SPEED SENSOR LEFT REAR ABS SPEED SENSOR PNK WIRE PNK/BLK WIRE RED WIRE RIGHT FRONT ABS SPEED SENSOR RIGHT REAR ABS SPEED SENSOR SDL STP TS SIL STOP FUSE STOP LIGHT SWITCH USA PROD VIO WIRE WA TC IG RL+ RR- RR+ FL- FL+ FR- FR+ WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

4 6 (W/ MOON ROOF) (W/O MOON ROOF) BLK WIRE BLU WIRE CENTER J/B (BEHIND CENTER OF DASH) COMBINATION METER DOME FUSE DOOR DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPARTMENT) HOT AT ALL TIMES ID (LEFT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INTEGRATION RELAY INTERIOR LIGHT) J/C 18 (BOTTOM OF LEFT "C" PILLAR) J/C 7 (BEHIND UPPER CENTER OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR COURTESY SWITCH LUGGAGE COMPARTMENT LIGHT LUGGAGE COMPARTMENT LIGHT SWITCH OFF OPEN DOOR WARNING LIGHT RED WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY SWITCH W/ DOOR LOCKS W/ MOONROOF W/O DOOR LOCKS W/O MOONROOF WHT WIRE YEL WIRE

4 A/T A/T SHIFT LEVER POSITION SWITCH BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE CCS CMS SPD IDL OD MO GND CENTER J/B (BEHIND CENTER OF DASH) CMS COMBINATION METER CRUISE CRUISE CONTROL ACTUATOR (ON RIGHT REAR OF ENGINE COMPT) CRUISE CONTROL CLUTCH SWITCH (ON BRACKET, ABOVE CLUTCH PEDAL) CRUISE CONTROL ECU (BEHIND RIGHT KICK PANEL) CRUISE CONTROL IND CRUISE CONTROL SWITCH (COMBINATION SWITCH) DATA LINK CONNECTOR (DLC) 1 (ON LEFT REAR OF ENGINE COMPT) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE CONTROL MODULE (BELOW CENTER OF DASH) GAUGE FUSE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START ID (LEFT KICK PANEL) IDLO INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH, AT LOWER FINISH PANEL) INTEGRATION RELAY J/C 11 J/C 13 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 14 (BEHIND RIGHT KICK PANEL) J/C 9, J/C 10 (BEHIND LOWER CENTER OF DASH, TAPED TO HARNESS) PARK/NEUTRAL POSITION SWITCH PI TC ECT MC PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RESUME/ ACCEL SET/ COAST SPEED- OMETER STOP FUSE STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) STP+ VEHICLE SPEED SENSOR (ON TOP OF TRANSAXLE) VIO WIRE VIO/WHT WIRE W/M/T WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BK (BOTTOM OF RIGHT "C" PILLAR) BLK WIRE BLU WIRE CENTER J/B (BEHIND CENTER OF DASH) DEFOG- I-UP/M-HTR FUSE DEFOGGER FUSE DEFOGGER RELAY DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (BELOW CENTER OF DASH) GAUGE FUSE HOT AT ALL TIMES HOT IN ON OR START ID (LEFT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH, AT LOWER FINISH PANEL) INTEGRATION RELAY J/C 8 (BEHIND LOWER CENTER OF DASH, TAPED TO HARNESS) REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER SWITCH RED WIRE RED/BLU WIRE WHT WIRE

4 6 (W/ MOON ROOF) (W/O MOON ROOF) A/C AMPLIFIER BLOWER RESISTOR BUCKLE SWITCH CENTER AIR BAG SENSOR ASSEMBLY CENTER J/B (BEHIND CENTER OF DASH) CIGARETTE LIGHTER CLOCK COMBINATION METER COMBINATION SWITCH (LIGHT CONTROL, DIMMER SWITCH) CRUISE CONTROL ACTUATOR CRUISE CONTROL ECU CRUISE CONTROL SWITCH DATA LINK CONNECTOR 3 BLOWER SWITCH DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) FRONT WIPER MOTOR FRONT WIPER/ WASHER SWITCH ID (LEFT KICK PANEL) IE (ON LEFT DASH BRACE) IH (RIGHT KICK PANEL) INTEGRATION RELAY J/C 14 (BEHIND RIGHT KICK PANEL) J/C 15 (IN LEFT FRONT DOOR) J/C 16 (IN LEFT FRONT DOOR) J/C 17 (IN RIGHT FRONT DOOR) J/C 4 J/C 4, J/C 5 (BEHIND UPPER LEFT SIDE OF DASH) J/C 5 J/C 8 (BEHIND LOWER CENTER OF DASH) LEFT DOOR LOCK CONTROL SWITCH MASTER POWER WINDOW SWITCH MOON ROOF CONTROL RELAY MOON ROOF CONTROL SWITCH MOON ROOF MOTOR, LIMIT SWITCH O/D SWITCH PERSONAL LIGHT POWER OUTLET POWER OUTLET RELAY REAR WINDOW DEFOGGER SWITCH REMOTE CONTROL MIRROR SWITCH RHEOSTAT RIGHT DOOR KEY LOCK, UNLOCK SWITCH (JAPAN PROD) RIGHT DOOR LOCK CONTROL SWITCH RIGHT DOOR LOCK MOTOR, DOOR KEY LOCK/UNLOCK SWITCH (U.S. PROD) RIGHT FOG- LIGHT P/W RELAY FLASHER RELAY RIGHT FRONT DOOR UNLOCK DETECTION SWITCH SHIFT LOCK ECU UNLOCK WARNING SWITCH, KEY INTERLOCK SOLENOID W/ POWER WINDOWS W/O POWER WINDOWS W/ PWR OUTLET W/ PWR WINDOWS W/O PWR WINDOWS W/O PWR OUTLET WHT/BLK (OR BLK/WHT) WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 DRL IG +B BRK PKB HI BLK WIRE BLU WIRE BLU/YEL WIRE BRAKE IND COMBINATION METER COMBINATION SWITCH DAYTIME RUNNING LIGHT RELAY (MAIN) (BEHIND DASH, ABOVE GLOVE BOX) DIMMER RELAY DIMMER SWITCH DIODE (DRL) (BEHIND LEFT SIDE OF DASH) DIODE (FOGLIGHT) (BEHIND UPPER RIGHT CENTER OF DASH) DOME FUSE DRL RELAY EA (FRONT OF RIGHT FRONT FENDER) EB (FRONT OF LEFT FRONT FENDER) J/C 20 (BEHIND LEFT END OF DASH) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 5 (LEFT FRONT OF ENGINE COMPT) FOG LIGHT RELAY FOG LIGHT SWITCH GAUGE FUSE GRN WIRE H-LP DIM IND HEAD HEAD (LH) OR HEAD (LH-UPR) FUSE HEAD (RH) OR HEAD (RH-UPR) FUSE HEAD LH- LWR FUSE DRL FUSE HEAD RELAY HEAD RH LWR FUSE HIGH BEAM IND HIGH LOW HOT AT ALL TIMES HOT IN ON OR START HOT WITH TAIL RELAY ENERGIZED ID (LEFT KICK PANEL) IH (RIGHT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH, AT LOWER FINISH PANEL) FOG FUSE INTEGRATION RELAY J/C 1 (BEHIND LEFT KICK PANEL) J/C 14 (BEHIND RIGHT KICK PANEL, TAPED TO HARNESS) J/C 2 (BEHIND INSTRUMENT PANEL J/B) JAPAN PROD EA LEFT FOG LIGHT LEFT HEADLIGHT (HIGH) LEFT HEADLIGHT (LOW) LIGHT CONTROL SWITCH MAIN FUSE OFF OFF TAIL PARKING BRAKE SWITCH (AT BASE OF PARK BRAKE LEVER) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOG LIGHT RIGHT HEADLIGHT (HIGH) RIGHT HEADLIGHT (LOW) STARTING/ CHARGING SYSTEM USA PROD WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 DRL AUTOMATIC LIGHT CONTROL SENSOR (ON TOP LEFT SIDE OF DASH) BLK WIRE BLU WIRE BLU/YEL WIRE BRAKE IND CLTE CLTB CLTS COMBINATION METER COMBINATION SWITCH DAYTIME RUNNING LIGHT RELAY (MAIN) (BEHIND DASH, ABOVE GLOVE BOX) DIM CSB CSE BRK HI DIMMER RELAY DIMMER SWITCH DOME FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRL RELAY EA (FRONT OF RIGHT FRONT FENDER) EB (FRONT OF LEFT FRONT FENDER) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FOG LIGHT RELAY FOG LIGHT SWITCH GAUGE FUSE GRN WIRE GRN/RED WIRE HEAD HEAD (LH) OR HEAD (LH-UPR) FUSE HEAD (RH) OR HEAD (RH-UPR) FUSE HEAD LH- LWR FUSE DRL FUSE HEAD RELAY HEAD RH LWR FUSE HIGH BEAM IND HIGH LOW HOT AT ALL TIMES HOT IN ON OR START HOT WITH TAIL RELAY ENERGIZED ID (LEFT KICK PANEL) IG +B IND H-LP H-ON FOG IH (RIGHT KICK PANEL) EA (FRONT OF RIGHT FRONT FENDER) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH, AT LOWER FINISH PANEL) FOG FUSE INTEGRATION RELAY J/C 1 (LEFT KICK PANEL) J/C 14 (BEHIND RIGHT KICK PANEL, TAPED TO HARNESS) J/C 2 (BEHIND INSTRUMENT PANEL J/B) J/C 20 (BEHIND LEFT END OF DASH) JAPAN PROD JAPAN PROD EA JAPAN PROD USA PROD LEFT FOG LIGHT LEFT HEADLIGHT (HIGH) LEFT HEADLIGHT (LOW) LIGHT CONTROL SWITCH LT GRN WIRE LT GRN/BLK WIRE MAIN FUSE OFF OFF TAIL OFF TAIL PARKING BRAKE SWITCH (AT BASE OF PARK BRAKE LEVER) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOG LIGHT RIGHT HEADLIGHT (HIGH) RIGHT HEADLIGHT (LOW) STARTING/ CHARGING SYSTEM TAIL CSO PKB CHG- USA PROD USA PROD ENGINE ROOM R/B 5 (LEFT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLOWER MOTOR (BELOW RIGHT SIDE OF DASH, IN HEATER-A/C HOUSING) BLOWER RESISTOR (BELOW RIGHT SIDE OF DASH, IN HEATER-A/C HOUSING) BLOWER SWITCH BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE CENTER J/B (BEHIND CENTER OF DASH) ENGINE ROOM R/B 6 (ON RIGHT FRONT OF ENGINE COMPARTMENT, ON RADIATOR SUPPORT) FRESH GAUGE FUSE GRN/YEL WIRE HEATER CONTROL SWITCH (REAR WINDOW DEFOGGER SWITCH) HOT AT ALL TIMES HOT IN ON OR START HTR FUSE HTR RELAY IE (LEFT DASH BRACE) IH (RIGHT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH, AT LOWER FINISH PANEL) INTEGRATION RELAY J/C 14 J/C 8 LO OFF RECIR RECIR FRESH RED WIRE RED/BLU WIRE WHT WIRE WHT/BLK WIRE

ABS IND. AMBIENT TEMP AMBIENT TEMPERATURE SENSOR (MIDDLE FRONT OF ENGINE COMPT) ANTI-LOCK BRAKES SYSTEM (ABS ACTUATOR, ECU) BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON FLUID RESERVOIR) BRAKE IND BRN WIRE BRN/WHT WIRE BULB CHECK CENTER J/B (BEHIND CENTER OF DASH) CHARGE IND COMBINATION METER CONN A CONN B CONN C CONN D CRUISE CONTROL SYSTEM (CRUISE CONTROL ECU) CRUISE IND DAYTIME RUNNING LIGHT RELAY (MAIN) (ABOVE GLOVE BOX) BRK DOME FUSE DOOR IND DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EB (FRONT OF LEFT FRONT FENDER) ECU-B FUSE ENGINE CONTROLS SYSTEM (ECM) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) EXTERIOR LIGHTS SYSTEM (TURN SIGNAL SWITCH) FUEL GAUGE FUEL IND FUEL SENDER GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HIGH BEAM IND HOT AT ALL TIMES HOT IN ON OR START IE (ON LEFT DASH BRACE) IG (RIGHT DASH BRACE) IGN FUSE ILLUM INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INTEGRATION RELAY INTERIOR LIGHTS SYSTEM (INTEGRATION RELAY) J/C 1 (BEHIND LEFT KICK PANEL) J/C 8 (BEHIND LOWER CENTER OF DASH) J/C 9, J/C 10 (BEHIND LOWER CENTER OF OF DASH) LT GRN WIRE MALFUNCTION IND LAMP O/D OFF IND ODOMETER/ TRIP OIL IND OIL PRESSURE SWITCH (LOWER LEFT SIDE OF ENGINE) ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (A/T) CLUTCH START SWITCH (M/T) PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PKB 14 5 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN (OR RED/BLK) WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL OR (WHT/BLK) WIRE RED/YEL WIRE SEAT BELT IND SPEEDOMETER SRS IND STARTING/CHARGING SYSTEM (GENERATOR) SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TEMPERATURE GAUGE TRANSMISSIONS SYSTEM (O/D SWITCH) TURN L IND TURN R IND USA CANADA VIO/WHT WIRE W/ DRL W/O DRL WASHER IND WASHER LEVEL WARNING SWITCH (IN FLUID RESERVOIR) WATER TEMPERATURE SENDER (REAR OF OF ENGINE ON COOLANT OUTLET) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

18 12 10 21 AC ACT A/C A/C A/C LA/C A/C AMPLIFIER (BEHIND DASH, ABOVE GLOVE BOX) A/C FUSE A/C SWITCH BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (BELOW RIGHT SIDE OF DASH, IN HEATER-A/C HOUSING) BLOWER RESISTOR (BELOW RIGHT SIDE OF DASH, IN HEATER-A/C HOUSING) BLOWER SWITCH BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE CENTER J/B (BEHIND CENTER OF DASH) DEF DUAL EA (FRONT SIDE OF RIGHT FENDER) ECU-IG FUSE ENGINE CONTROL MODULE ENGINE ROOM R/B 6 (ON RIGHT FRONT OF COMPARTMENT, ON RADIATOR SUPPORT) FAN FRESH GAUGE FUSE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HEATER CONTROL SWITCH (REAR WINDOW DEFOGGER SWITCH) HOT AT ALL TIMES HOT IN ON OR START HTR FUSE HTR RELAY IGN GND ACT A/C TE LED LOCK MGC SG IH 1 2 3 4 5 6 7 8 9 10 11 12 INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH, AT LOWER FINISH PANEL) INTEGRATION RELAY J/C 10 (BEHIND CENTER OF DASH) J/C 14 (RIGHT KICK PANEL) J/C 8 (BEHIND LOWER CENTER OF DASH) J/C 8 (LEFT DASH BRACE) LO OFF LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PRS RECIRC RECIRC FRESH RED WIRE RED/BLU WIRE SINGLE TACH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE