Toyota Grand Highlander I (2023-2024) main body ecu Wiring diagrams

2.4L TURBO, 2.4L TURBO HYBRID 2.5L HYBRID AIR CONDITIONING AMPLIFIER BLK WIRE BLU WIRE CAN (+) CANN CANP CERTIFICATION ECU ECU-ACC FUSE ECU-B 2 FUSE ECU-IGP 3 FUSE ECU-IGR 1 FUSE ENGINE ROOM R/B 1 ENGINE ROOM R/B 2 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ IGP 1 RELAY ENERGIZED HOT W/ IGR 1 RELAY ENERGIZED IGP IGR LT BLU WIRE LT GRN WIRE MAIN BODY ECU MULTIPLEX NETWORK DOOR ECU NETWORK GATEWAY ECU OPTION CONNECTOR (CAN) ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE RED WIRE RIGHT END OF DASH) RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY W/ STEREO COMPONENT AMPLIFIER ASSEMBLY W/O STEREO COMPONENT AMPLIFIER ASSEMBLY WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CTY DOME CUT RELAY DOME FUSE DOOR ECU-B 2 FUSE ECU-IGR 2 FUSE EXCEPT HYBRID FSPT GRN WIRE HOT AT ALL TIMES HOT W/ IGR 2 RELAY ENERGIZED IGR LEFT FRONT SPOT LIGHT ASSEMBLY LEFT REAR DOOR LOCK W/ MOTOR ASSEMBLY LEFT REAR SPOT LIGHT ASSEMBLY LEFT VANITY LIGHT ASSEMBLY LEFT VISOR ASSEMBLY LSSR LSWL LSWR LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/LT GRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/YEL WIRE RED WIRE RLMP WHT WIRE WHT/BLK WIRE

BBS BFB- BLK WIRE BLU WIRE CTB ECU-B 3 FUSE ENGINE ROOM J/B 1 GRN WIRE HOT AT ALL TIMES HTR INP STD 2 FUSE LEFT FRONT SEAT CUSHION HEATER ASSEMBLY LEFT SEAT BACK CLIMATE CONTROL BLOWER LEFT SEAT CUSHION CLIMATE BLOWER SUB-ASSEMBLY LT GRN WIRE MAIN BODY ECU ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE RED WIRE S/HTR F/L FUSE S/HTR F/R FUSE S/HTR RELAY 1 SIGN THR+ VIO WIRE WHT/BLK WIRE

AIR CONDITIONING AMPLIFIER ASSEMBLY BLK WIRE BLU WIRE ECU-B 3 FUSE ENGINE ROOM J/B 1 GRN WIRE HOT AT ALL TIMES HTR INP STD 2 FUSE LEFT FRONT SEAT CUSHION HEATER ASSEMBLY LEFT SEAT HEATER CONTROL SUB-ASSEMBLY LT BLU WIRE MAIN BODY ECU ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE RED WIRE RIGHT FRONT SEAT CUSHION HEATER ASSEMBLY RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY S/HTR F/L FUSE S/HTR F/R FUSE S/HTR RELAY 1 SG-6 SWR THR+ TSL TSR VIO WIRE WHT/BLK WIRE

BDIR BDR BDSR BLK WIRE BLU WIRE BRN WIRE BSR+ CANN CANP COMPUTER DATA LINES SYSTEM CPUB ECU- DCC 3 FUSE ECU-B 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HSSR HTR LT BLU WIRE LT GRN WIRE MAIN BODY ECU MLP MR- MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL GND PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/RED WIRE PPL/VIO WIRE RCB+ RCV RED WIRE RGND RIGHT END OF DASH) RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT OUTER REAR VIEW MIRROR ASSEMBLY RM+R MR- RMHR RMVR RVC SGND SHIELD SIG TRN+ TRNI VIO WIRE VSSR W/O PANORAMIC VIEW MONITOR SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

AIR CONDITIONING AMPLIFIER ASSEMBLY BDR BDR PNK CANP WIRE BLK WIRE CANN CANN PPL GND CANP COMPUTER DATA LINES SYSTEM DEF DOOR F/L FUSE DOOR F/R FUSE ENGINE ROOM R/B 1 GRN WIRE GRY WIRE HOT AT ALL TIMES HTR INP STD 1 FUSE LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MIR HTR RELAY ORG/ WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL GND PPL/BLK WIRE PPL/RED WIRE RADIO SETTING CONDENSER REAR WINDOW DEFOGGER (BACK WINDOW GLASS) RED WIRE RIGHT END OF DASH) RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT OUTER REAR VIEW MIRROR ASSEMBLY RR DEF RELAY VIO WIRE W/ MEMORY W/O MEMORY W/O PANORAMIC VIEW MONITOR SYSTEM WHT WIRE WHT/BLK WIRE

ALL DOOR LOCK RELAY BLK WIRE BLU WIRE BRN WIRE BZR COMPUTER DATA LINES SYSTEM D DOOR UNLOCK RELAY D/L FUSE DOOR CONTROL SWITCH ASSEMBLY ECU-B FUSE ECU-IGR 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGR 2 RELAY ENERGIZED IGR L/D DOOR UNLOCK RELAY LCTY LSWL LSWR LT BLU WIRE LT GRN WIRE MAIN BODY ECU PBDS PNK WIRE POWER BACK DOOR CONTROL SWITCH POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE PPL/BRN WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/LT BLU WIRE PPL/LT GRN WIRE PPL/ORG WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE RCTY RED WIRE VIO WIRE WHT WIRE WIRELESS DOOR LOCK BUZZER

2.4L TURBO HYBRID, 2.5L HYBRID BLK WIRE BLU WIRE CLS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-IGR 2 FUSE ECU-IGR 3 FUSE ENGINE STOP, START ECU EPS-IGR FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED IG PNK TILT WIRE IGR LT GRN WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY METER-IGR FUSE OPN ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/LT GRN WIRE PPL/RED WIRE PPL/VIO WIRE RED WIRE S/ROOF FUSE SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) SUNSHADE CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) TILT VENT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/BAG-IGR FUSE ACL AIR BAG ECU ASSEMBLY BBL+ BCL+ BDL- BDL- BDL+ BLK WIRE CAFH CAFL CD (CENTER OF DASH) CE (CENTER OF DASH) COMPUTER DATA LINES SYSTEM DK+ DRIVER SIDE SQUIB CIRCUIT (HORN BUTTON ASSEMBLY) GNDL GRN WIRE GSW HOT W/ IGR 1 RELAY ENERGIZED ICL- IGR INSTRUMENT PANEL PASSENGER AIR BAG W/O DOOR ASSEMBLY LEFT REAR AIR BAG SENSOR LEFT SIDE AIR BAG PRESSURE SENSOR LEFT SIDE AIR BAG SENSOR ASSEMBLY 2 LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 1 LSP + MAIN BODY ECU P+ P- PL- PLR+ PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY RED WIRE SEAT POSITION AIR BAG SENSOR SFL- SL- SPIRAL CABLE SUB-ASSEMBLY SR- WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

2.5L HYBRID, 2.4L TURBO HYBRID BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CXPI ECU- DCC 1 FUSE ECU-B 2 FUSE ECU-IGR 2 FUSE ECU-IGR 3 FUSE ECU-IGR 4 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ HOT W/ IGR 2 RELAY ENERGIZED IGR IGR 1 RELAY ENERGIZED LT BLU WIRE LT GRN WIRE MAIN BODY ECU METER-IGR FUSE MIST MPX PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/LT GRN WIRE PPL/ORG WIRE PPL/RED WIRE PPL/VIO WIRE PPL/WHT WIRE RAIN SENSOR REAR WIPER MOTOR ASSEMBLY RED WIRE RWRY SEMICONDUCTOR POWER INTEGRATION ECU SIG STEERING SENSOR STEERING WHEEL SWITCH HOUSING VIO WIRE W-OFF WASHER LEVEL WARNING SWITCH (WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY) WHI WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIPER RR FUSE WPS