Toyota Corolla XII (2018-2024) left front seat heater switch Wiring diagrams

BLU WIRE BRN WIRE ENGINE ROOM R/B 1 GRN WIRE GRY WIRE HOT AT ALL TIMES IA (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B ASSEMBLY LEFT FRONT SEAT CUSHION HEATER ASSEMBLY LEFT FRONT SEAT HEATER SWITCH LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE R/B ASSEMBLY 2 R/B ASSEMBLY 3 RED WIRE RELAY ENERGIZED RIGHT END OF DASH) RIGHT FRONT SEAT CUSHION HEATER ASSEMBLY RIGHT FRONT SEAT HEATER SWITCH S/HTR F/L FUSE S/HTR F/R FUSE SEAT BACK HEATER SEAT CUSHION HEATER VIO WIRE W/ POWER SEAT W/O LUMBAR SUPPORT W/ POWER SEAT, LUMBAR SUPPORT WHT WIRE WHT/BLK WIRE

AIR CONDITIONING AMPLIFIER ASSEMBLY BLU WIRE BRN WIRE ENGINE ROOM R/B 1 EXCEPT HYBRID GRN WIRE GRY WIRE HOT AT ALL TIMES IA (UPPER LEFT END OF DASH) ID (RIGHT SIDE OF DASH) INSTRUMENT PANEL J/B ASSEMBLY LEFT FRONT SEAT CUSHION HEATER ASSEMBLY LEFT FRONT SEAT HEATER SWITCH LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE R/B ASSEMBLY 2 R/B ASSEMBLY 3 RED WIRE RELAY ENERGIZED RIGHT FRONT SEAT CUSHION HEATER ASSEMBLY RIGHT FRONT SEAT HEATER SWITCH S/HTR F/L FUSE S/HTR F/R FUSE S/HTR- MAIN FUSE SEAT BACK HEATER SEAT CUSHION HEATER SHIN VIO WIRE W/ POWER SEAT W/O LUMBAR SUPPORT W/O POWER SEAT W/ POWER SEAT, LUMBAR SUPPORT WHT WIRE WHT/BLK WIRE YEL WIRE

AUTO BLK WIRE BLU WIRE BRN WIRE CANADA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CVT HEAD INSTRUMENT PANEL J/B ASSEMBLY L OFF LEFT FRONT SEAT HEATER SWITCH LEFT STEERING PAD SWITCH LIGHT CONTROL RHEOSTAT LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MOBILE WIRELESS CHARGER CRADLE ASSEMBLY PNK WIRE PPL/BLK WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SEAT HEATER SWITCH RIGHT STEERING PAD SWITCH SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY) SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEERING SENSOR STEERING WHEEL SWITCH HOUSING TAIL DRL OFF OFF TURN SIGNAL SWITCH USA VIO WIRE WHT WIRE WHT/BLK WIRE

AUTO BLU WIRE BRN WIRE CANADA CERTIFICATION ECU (RIGHT SIDE OF DASH) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE SWITCH (EXCEPT HYBRID) POWER SWITCH (HYBRID) GRN WIRE GRY WIRE HEAD HEAD TAIL DRL OFF OFF INSTRUMENT PANEL J/B ASSEMBLY L OFF LEFT FRONT SEAT HEATER SWITCH LIGHT CONTROL RHEOSTAT LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MOBILE WIRELESS CHARGER CRADLE ASSEMBLY PNK WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SEAT HEATER SWITCH STEERING COLUMN) STEERING SENSOR STEERING WHEEL SWITCH HOUSING SWIL TURN SIGNAL SWITCH USA VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ABS- MAIN FUSE BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY CERTIFICATION ECU D/C CUT FUSE DIS EFI 1 FUSE EFI MAIN 2 RELAY EFI MAIN RELAY EFI- MAIN 1 FUSE EFI- MAIN 2 FUSE EFI- MAIN 3 FUSE EFI- MAIN 3 RELAY ENGINE ROOM J/B 1 ENGINE ROOM R/B 1 ENGINE SWITCH FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 4) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 4) FROM ST FUSE (DIAGRAM 1 OF 4) GRN WIRE GRY WIRE H-LP LH FUSE H-LP LH RELAY H-LP RH FUSE H-LP RH RELAY ID (RIGHT SIDE OF DASH) IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 INJ FUSE J/B-B FUSE LEFT FRONT SEAT HEATER SWITCH LT BLU WIRE LT GRN WIRE MOBILE WIRELESS CHARGER CRADLE ASSEMBLY ORG/ WIRE PNK WIRE PORT FUEL INJECTOR ASSEMBLY 1 PORT FUEL INJECTOR ASSEMBLY 2 PORT FUEL INJECTOR ASSEMBLY 3 PORT FUEL INJECTOR ASSEMBLY 4 R/B ASSEMBLY 2 RED WIRE RIGHT FRONT SEAT HEATER SWITCH S/HTR F/L FUSE S/HTR F/R FUSE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ACTUATOR/UPPER BRACKET ASSEMBLY) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 1 OF 4) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 4) VIO WIRE W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM WCSW WHT WIRE WHT/BLK WIRE YEL WIRE

AIR CONDITIONING CONTROL ASSEMBLY AUTO HIGH BEAM SWITCH BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY BRN WIRE COMBINATION SWITCH ASSEMBLY CVT DEF RELAY ENGINE ROOM R/B 1 DOOR CONTROL SWITCH ASSEMBLY ELECTRIC PARKING BRAKE SWITCH ASSEMBLY FR FOG RELAY R/B ASSEMBLY 3 FROM TAIL RELAY (DIAGRAM 3 OF 4) FRONT WIPER DEICER SWITCH GLOVE BOX LIGHT ASSEMBLY GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY LEFT "C" PILLAR) LEFT FRONT SEAT HEATER SWITCH LEFT HEADLIGHT UNIT ASSEMBLY LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LIGHT CONTROL RHEOSTAT LT BLU WIRE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NETWORK GATEWAY ECU OUTER MIRROR SWITCH ASSEMBLY PANEL FUSE PNK WIRE POWER STEERING ECU W/ MOTOR ASSEMBLY PPL PPL/BLK WIRE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT FRONT SEAT HEATER SWITCH RIGHT HEADLIGHT UNIT ASSEMBLY RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY SHIFT LOCK CONTROL UNIT ASSEMBLY SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY) SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING HEATER SWITCH STEERING PAD SWITCH ASSEMBLY STEERING SENSOR TAIL FUSE TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 2 OF 4) VIO WIRE W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM WHT WIRE YEL WIRE

1.8L 2.0L ABS- MAIN FUSE BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY C/OPN RELAY CERTIFICATION ECU CLUTCH SWITCH ASSEMBLY CVT D/C CUT FUSE EFI 1 FUSE EFI MAIN 2 RELAY EFI MAIN RELAY EFI- MAIN 1 FUSE EFI- MAIN 2 FUSE EFI- MAIN 3 FUSE EFI- MAIN 3 RELAY ENGINE ROOM J/B 1 FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 5) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 5) FROM INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 5 OF 5) FROM VVT FUSE (DIAGRAM 1 OF 5) GRN WIRE GRY WIRE H-LP LH FUSE H-LP LH RELAY H-LP RH FUSE H-LP RH RELAY IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 INJ FUSE J/B-B FUSE LEFT FRONT SEAT HEATER SWITCH LOCK LOCK OFF LT BLU WIRE LT GRN WIRE M/T ON OFF ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH ASSEMBLY PNK (OR BLU) WIRE PNK WIRE PORT FUEL INJECTOR ASSEMBLY 1 PORT FUEL INJECTOR ASSEMBLY 2 PORT FUEL INJECTOR ASSEMBLY 3 PORT FUEL INJECTOR ASSEMBLY 4 R/B ASSEMBLY 2 RED WIRE RIGHT FRONT SEAT HEATER SWITCH S/HTR F/L FUSE S/HTR F/R FUSE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ACTUATOR/UPPER BRACKET ASSEMBLY) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 5) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 5 OF 5) VIO WIRE W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ ELECTRIC PARKING BRAKE SYSTEM W/ SEAT HEATER W/O ADAPTIVE FRONT-LIGHTING SYSTEM W/O ELECTRIC PARKING BRAKE SYSTEM WHT WIRE WHT/BLK WIRE

AIR CONDITIONING CONTROL ASSEMBLY AUTO HIGH BEAM SWITCH BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY CERTIFICATION ECU COMBINATION SWITCH ASSEMBLY CVT DEF RELAY ENGINE ROOM R/B 1 ELECTRIC PARKING BRAKE SWITCH ASSEMBLY FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 5) FROM TAIL RELAY (DIAGRAM 3 OF 5) FRONT WIPER DEICER SWITCH FUEL LID OPENER SWITCH GLOVE BOX LIGHT ASSEMBLY GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY LEFT FRONT SEAT HEATER SWITCH LEFT HEADLIGHT UNIT ASSEMBLY LEFT LED ILLUMINATION LIGHT LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT REAR SEAT HEATER SWITCH LIGHT CONTROL RHEOSTAT LT BLU WIRE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NETWORK GATEWAY ECU OUTER MIRROR SWITCH ASSEMBLY PANEL FUSE PNK WIRE POWER STEERING ECU W/ MOTOR ASSEMBLY PPL/BLK WIRE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RIGHT FRONT SEAT HEATER SWITCH RIGHT HEADLIGHT UNIT ASSEMBLY RIGHT LED ILLUMINATION LIGHT RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY RIGHT REAR SEAT HEATER SWITCH RIGHT STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY SHIFT LOCK CONTROL UNIT ASSEMBLY SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY) SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING HEATER SWITCH STEERING SENSOR TAIL FUSE TO IGNITION/ STARTER SWITCH ASSEMBLY (DIAGRAM 2 OF 5) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 3 OF 5) TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 1 OF 5) USB CHARGER SOCKET VIO WIRE W/ ADAPTIVE FRONT LIGHTING SYSTEM W/ ELECTRIC PARKING BRAKE SYSTEM W/ LED TURN SIGNAL LIGHT W/O ADAPTIVE FRONT-LIGHTING SYSTEM W/O ELECTRIC PARKING BRAKE SYSTEM W/O LED TURN SIGNAL LIGHT WHT WIRE WHT/BLK WIRE YEL WIRE

BATT- MAIN FUSE BATTERY BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BLU WIRE DC/DC FUSE DEF RELAY DEF- MAIN FUSE DEICER FUSE DEICER RELAY DOOR DBL/L FUSE ENG W/PMP FUSE ENG W/PMP RELAY ENGINE ROOM J/B 1 ENGINE ROOM R/B 1 EPS FUSE FAN 1 FUSE FAN 1 RELAY FAN 3 RELAY FAN-2 FUSE FUEL OPN FUSE FUEL OPN RELAY R/B ASSEMBLY 3 FUSIBLE LINK BLOCK ASSEMBLY GRN WIRE HORN FUSE HORN RELAY HTR FUSE INVERTER W/ CONVERTER ASSEMBLY J/B-AM FUSE LEFT FRONT SEAT HEATER SWITCH LT BLU WIRE P/OUTLET 2 FUSE PNK WIRE POWER STEERING ECU W/ MOTOR ASSEMBLY PTC HTR 1 FUSE PTC HTR 1 RELAY PTC HTR 2 FUSE PTC HTR 2 RELAY PTC HTR 3 FUSE PTC HTR 3 RELAY R/B ASSEMBLY 2 R/B ASSEMBLY 2 (RIGHT FRONT FENDER APRON) R/B ASSEMBLY 3 RED WIRE RIGHT FRONT SEAT HEATER SWITCH S/HTR F/L FUSE S/HTR F/R FUSE S/HTR- MAIN FUSE STARTER ASSEMBLY STRG HTR FUSE STRG HTR RELAY TO ETCS FUSE (DIAGRAM 2 OF 9) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 4 OF 9) TO INSTRUMENT PANEL J/B ASSEMBLY (DIAGRAM 9 OF 9) WHT WIRE WHT/BLK WIRE

AUTO HIGH BEAM SWITCH BLK WIRE BLU WIRE CERTIFICATION ECU COMBINATION METER ASSEMBLY ECU- DCC 1 FUSE ECU-DCC 2 FUSE FROM ENGINE ROOM R/B 1 (DIAGRAM 2 OF 9) FRONT WIPER DEICER SWITCH FUEL LID OPENER SWITCH GRN WIRE GRY WIRE INNER REAR VIEW MIRROR ASSEMBLY LEFT FRONT SEAT HEATER SWITCH LEFT REAR SEAT HEATER SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MOBILE WIRELESS CHARGER CRADLE ASSEMBLY PNK WIRE PPL/LT BLU WIRE RADIO FUSE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RIGHT FRONT SEAT HEATER SWITCH RIGHT REAR SEAT HEATER SWITCH SHIFT POSITION INDICATOR (POSITION INDICATOR HOUSING ASSEMBLY) STEERING HEATER SWITCH STEERING SENSOR TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 9 OF 9) VIO WIRE WHT WIRE YEL WIRE