Lexus GX J310 (2023-2024) Power distribution circuit

ALT FUSE BATTERY BLK WIRE BLK/DK GRN WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BLU WIRE D/C CUT FUSE ENG P/I 1 FUSE ENG P/I 2 FUSE ENGINE ROOM JUNCTION BLOCK ASSEMBLY 1 ENGINE ROOM RELAY BLOCK ASSEMBLY 1 EPS-1 FUSE GRN WIRE GRY WIRE HORN FUSE HORN RELAY HTR FUSE IGP- MAIN 1 FUSE IGR MAIN 3 FUSE INP STD 1 FUSE INP STD 2 FUSE INP STD B FUSE LT BLU WIRE MULTIPLEX NETWORK DOOR ECU OPTION CONNECTOR (TIRE INFLATOR) PBD FUSE PTC HTR 1 FUSE PTC HTR 1 RELAY PTC HTR 2 FUSE PTC HTR 2 RELAY RACK, PINION POWER STEERING GEAR ASSEMBLY RADIO FUSE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE SEMICONDUCTOR POWER INTEGRATION ECU SUB BATT FUSE SUB BATT RELAY SUB R/B FUSE TIRE INF FUSE TO ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 2 OF 10) TO ENGINE ROOM RELAY BLOCK ASSEMBLY 2 (DIAGRAM 3 OF 10) TO INV FUSE (DIAGRAM 3 OF 10) TO POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 5 OF 10) TO POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 6 OF 10) TO POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 9 OF 10) TOWING CONVERTER RELAY TOWING FUSE VIO WIRE WASHER FUSE WHT WIRE WIPER FUSE

A/C COMP FUSE ABSORBER CONTROL ECU AIR CONDITIONING AMPLIFIER ASSEMBLY AVS-IGR FUSE BLK WIRE BLU WIRE CDS FAN RELAY COMBINATION SWITCH ASSEMBLY 3 CONTROL SWITCH ASSEMBLY COOL BOX BLOWER MOTOR W/ FAN SUB-ASSEMBLY (COOLING BOX ASSEMBLY 2) COOLING BOX ASSEMBLY COOLING BOX MAGNET VALVE (COOLING BOX ASSEMBLY 2) DEICER RELAY ECU- IGP 1 FUSE ECU- IGP 2 FUSE ENG- IGR 1 FUSE ENGINE ROOM RELAY BLOCK ASSEMBLY 1 FROM ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 1 OF 10) FROM ENGINE ROOM RELAY BLOCK ASSEMBLY 2 (DIAGRAM 4 OF 10) GRN WIRE GRY WIRE IGP 1 RELAY IGR 3 RELAY NETWORK GATEWAY ECU OPTION CONNECTOR (TIRE INFLATOR) PNK WIRE PPL/WHT WIRE PTC HTR 2 RELAY PTC- HTR 1 RELAY ENGINE ROOM RELAY BLOCK ASSEMBLY 1 RED WIRE SEMICONDUCTOR POWER INTEGRATION ECU SHIFT LOCK CONTROL ECU (SHIFT LOCK CONTROL UNIT ASSEMBLY) SIDE AUTO STEP CONTROLLER ECU ASSEMBLY SMOG VENTILATION SENSOR STABILIZER CONTROL ECU STB-IGR FUSE STEREO COMPONENT EQUALIZER ASSEMBLY STOP LIGHT SWITCH ASSEMBLY SUB BATT RELAY TO ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 10 OF 10) VIO WIRE WASHER FUSE WHT WIRE WHT/BLK WIRE

4 WHEEL DRIVE CONTROL ECU A/C RR FUSE A/F FUSE A/F RELAY ABS 1 FUSE ABS 2 FUSE BLK WIRE BLOWER MOTOR CONTROL (REAR COOLING UNIT ASSEMBLY) BLU WIRE BRAKE CONTROL RELAY W/ BRACKET CDS FAN FUSE CDS FAN RELAY DEICER FUSE DEICER RELAY ECT-B FUSE ECU-B FUSE EDU FUSE EDU RELAY EFI 2 FUSE EFI MAIN 2 RELAY EFI- MAIN 1 FUSE EFI- MAIN 1 RELAY EFI- MAIN 2 FUSE EFI- MAIN 3 FUSE EFI- MAIN 3 RELAY ENGINE ROOM RELAY BLOCK ASSEMBLY 1 ENGINE ROOM RELAY BLOCK ASSEMBLY 2 ETCS FUSE FOLD SEAT CONTROL ECU FROM ENGINE ROOM JUNCTION BLOCK ASSEMBLY 1 (DIAGRAM 1 OF 10) FROM PBD FUSE (DIAGRAM 1 OF 10) GRN WIRE H-LP CLN FUSE HEADLIGHT CLEANER MOTOR, PUMP ASSEMBLY IGP- MAIN 2 FUSE IGR MAIN 4 FUSE IGT/INJ MAIN FUSE IGT/INJ MAIN RELAY INNER REAR VIEW MIRROR ASSEMBLY INV 1 FUSE INV 2 FUSE INV 2 RELAY INV FUSE LT BLU WIRE LT GRN WIRE MAP LIGHT ASSEMBLY MULTIPLEX NETWORK STEERING ECU (STEERING WHEEL ASSEMBLY) PFS LH FUSE PFS RH FUSE PNK WIRE PRB FUSE RED WIRE S-HORN FUSE S-HORN RELAY SIREN FUSE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) SPIRAL CABLE SUB-ASSEMBLY ST 1 FUSE ST RELAY STEERING COLUMN) STRG-ECU FUSE TO ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 10 OF 10) TO ENGINE ROOM RELAY BLOCK ASSEMBLY 2 (DIAGRAM 4 OF 10) TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 6 OF 10) TOWING BK/UP RELAY TOWING BKUP FUSE TOWING BRK FUSE TOWING TAIL FUSE TOWING TAIL RELAY TRANSMISSION CONTROL ECU ASSEMBLY W/ DIGITAL REAR VIEW MIRROR W/O DIGITAL REAR VIEW MIRROR WHT WIRE

4 WHEEL DRIVE CONTROL ECU BLK WIRE BRAKE CONTROL RELAY W/ BRACKET ECT-IGP FUSE ECU- IGP 6 FUSE EFI- IGP FUSE ENG- IGR 4 FUSE ENG-IGR 2 FUSE ENG-IGR 3 FUSE ENGINE ROOM RELAY BLOCK ASSEMBLY 2 FROM ENGINE ROOM RELAY BLOCK ASSEMBLY 2 (DIAGRAM 3 OF 10) FROM POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 9 OF 10) GRN WIRE GRY WIRE H-LP CLN RELAY IGP 2 RELAY IGR 4 RELAY LEFT HEADLIGHT ASSEMBLY LEFT SEAT HEATER CONTROL SUB-ASSEMBLY PNK WIRE PPL/WHT WIRE RED WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY S/HTR R/L FUSE S/HTR RR FUSE TO ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 2 OF 10) TOWING- IGR FUSE TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

BLK WIRE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) COMBINATION METER ASSEMBLY COOLING BOX AMPLIFIER DIGITAL KEY ECU ASSEMBLY DRIVER'S SEAT ECU- DCC 1 FUSE ECU- DCC 3 FUSE ECU-DCC 2 FUSE FROM ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 1 OF 10) GRN WIRE GRY WIRE KICK DOOR CONTROL SENSOR ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT POSITION CONTROL ECU ASSEMBLY LEFT SEAT HEATER CONTROL SUB-ASSEMBLY MULTIPLEX NETWORK BODY ECU MULTIPLEX NETWORK DOOR ECU MULTIPLEX TILT, TELESCOPIC ECU OPTION CONNECTOR (DRIVE RECORDER) PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY RED WIRE RIGHT END OF DASH) RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT POSITION CONTROL ECU AMPLIFIER STEERING SENSOR W/ VIBRATION SEAT WHT WIRE YEL WIRE

+BA 1 FUSE +BA 2 FUSE +BA RELAY ACC RELAY BLK WIRE BRN WIRE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) COMPUTER DATA LINES SYSTEM DIS ECU-ACC FUSE FROM ENGINE ROOM JUNCTION BLOCK ASSEMBLY 1 (DIAGRAM 1 OF 10) GRY WIRE LD (LEFT "D" PILLAR) LEFT BLIND SPOT MONITOR SENSOR LEFT USB CHARGER SOCKET 2 LEFT USB CHARGER SOCKET 3 METER MIRROR SUB-ASSEMBLY MOBILE WIRELESS CHARGER CRADLE ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU NETWORK GATEWAY ECU P/OUTLET 1 FUSE P/OUTLET RELAY PNK WIRE POWER OUTLET SOCKET ASSEMBLY 1 PPL PPL/GRN WIRE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RIGHT BLIND SPOT MONITOR SENSOR RIGHT USB CHARGER SOCKET 2 RIGHT USB CHARGER SOCKET 3 S/HTR RELAY TAIL RELAY TI, TE FUSE TO ECU- B 3 FUSE (DIAGRAM 7 OF 10) USB 1 FUSE USB CHARGER SOCKET VIO WIRE WCSW WHT WIRE WHT/BLK WIRE

AIR CONDITIONING AMPLIFIER ASSEMBLY AMP 1 FUSE BLU WIRE DATA LINK CONNECTOR 3 DOME FUSE DOOR BACK FUSE DOOR BACK RELAY DOOR DBL/L FUSE DOOR F/L FUSE DOOR F/R FUSE DOOR R/L FUSE DOOR R/R FUSE DRIVER DOOR LEFT POWER WINDOW REGULATOR MOTOR ASSEMBLY DRIVER SIDE FRONT FOOTWELL LIGHT (INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) ECU-B 3 FUSE FROM TI, TE FUSE (DIAGRAM 6 OF 10) FRONT PASSENGER DOOR RIGHT POWER WINDOW REGULATOR MOTOR ASSEMBLY GRN WIRE GRY WIRE INTERIOR ILLUMINATION LIGHT ASSEMBLY (LEFT DOOR SCUFF PLATE ASSEMBLY) INTERIOR ILLUMINATION LIGHT ASSEMBLY (RIGHT DOOR SCUFF PLATE ASSEMBLY) LEFT FRONT POWER SEAT SWITCH LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT POSITION CONTROL ECU ASSEMBLY LT BLU WIRE OBD FUSE P/SEAT D FUSE P/SEAT P FUSE PASSENGER SIDE FRONT FOOTWELL LIGHT (INTERIOR ILLUMINATION LIGHT ASSEMBLY 1) PNK WIRE PPL/BLU WIRE PPL/LT BLU WIRE PPL/RED WIRE REAR DOOR LEFT POWER WINDOW REGULATOR MOTOR ASSEMBLY REAR DOOR RIGHT POWER WINDOW REGULATOR MOTOR ASSEMBLY RED WIRE RIGHT FRONT POWER SEAT SWITCH RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT POSITION CONTROL ECU ASSEMBLY ROOM LIGHT CONTROL RELAY S/ROOF FUSE SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) STEREO COMPONENT AMPLIFIER ASSEMBLY W/ MEMORY W/ PANORAMIC W/ VIBRATION SEAT W/O MEMORY W/O PANORAMIC W/O VIBRATION SEAT WHT WIRE

A/BAG-IGR FUSE AIR BAG ECU ASSEMBLY BLK WIRE CLEARANCE WARNING ECU ASSEMBLY COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY 3 ECU-IGR 1 FUSE ECU-IGR 4 FUSE ELECTRICAL KEY, TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY FROM ECU-IGR 3 FUSE (DIAGRAM 9 OF 10) GRN WIRE INTEGRATION CONTROL, PANEL ASSEMBLY LEFT FRONT SEAT OUTER BELT ASSEMBLY LEFT FRONT SIDE RADAR SENSOR LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT POSITION CONTROL ECU ASSEMBLY METER-IGR FUSE MILLIMETER WAVE RADAR SENSOR ASSEMBLY MULTIPLEX NETWORK DOOR ECU NETWORK GATEWAY ECU PNK WIRE PPL/PNK WIRE RADIO, DISPLAY RECEIVER ASSEMBLY REFRESHING SEAT SWITCH RIGHT END OF DASH) RIGHT FRONT SEAT OUTER BELT ASSEMBLY RIGHT FRONT SIDE RADAR SENSOR RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT POSITION CONTROL ECU ASSEMBLY SHIFT POSITION INDICATOR SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) STEERING SENSOR TRANSMISSION CONTROL SWITCH (SHIFT LOCK CONTROL UNIT ASSEMBLY) VIO WIRE W/ FRONT SIDE RADAR SENSOR YEL WIRE

BKUP LP FUSE BLK WIRE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) COMBINATION SWITCH ASSEMBLY 4 ECU-IGR 2 FUSE ECU-IGR 3 FUSE EPS-IGR FUSE FORWARD RECOGNITION CAMERA FROM ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 1 OF 10) GRN WIRE GRY WIRE IGPD IGR 1 RELAY IGR 2 RELAY IGRD INNER REAR VIEW MIRROR ASSEMBLY LT GRN WIRE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) MAP LIGHT ASSEMBLY METER MIRROR SUB-ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU OPTION CONNECTOR (DRIVE RECORDER) ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY PARKING ASSIST ECU PNK WIRE PUSH START SWITCH RACK, PINION POWER STEERING GEAR ASSEMBLY REAR WIPER MOTOR ASSEMBLY RED WIRE RIGHT END OF DASH) SWIL TELEMATICS TRANSCEIVER TO ECU-IGR 1 FUSE (DIAGRAM 8 OF 10) TO ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 2 OF 10) TO ENGINE ROOM RELAY BLOCK ASSEMBLY 2 (DIAGRAM 4 OF 10) TO STRG LOCK FUSE (DIAGRAM 10 OF 10) VIO WIRE W/ DIGITAL REAR VIEW MIRROR W/O DIGITAL REAR VIEW MIRROR WHT WIRE WHT/BLK WIRE WIPER RR FUSE

ALL DOOR LOCK RELAY BLK WIRE BLK/WHT WIRE BLU WIRE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY 3 D DOOR UNLOCK RELAY D/L FUSE DCM FUSE DRIVER MONITOR ECU ASSEMBLY ECU-B 1 FUSE ECU-B 2 FUSE ELECTRICAL KEY, TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY ENGINE ROOM RELAY BLOCK ASSEMBLY 1 FROM ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 3 OF 10) FROM IGR 2 RELAY (DIAGRAM 9 OF 10) FUEL OPN FUSE FUEL OPN RELAY GRN WIRE GRY WIRE HAZ FUSE ID CODE BOX (IMMOBILIZER CODE ECU) INV 1 RELAY L/D DOOR UNLOCK RELAY LT BLU WIRE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NETWORK GATEWAY ECU PARK/NEUTRAL POSITION SWITCH ASSEMBLY PNK WIRE REAR POWER OUTLET SOCKET ASSEMBLY 1 RED WIRE RIGHT END OF DASH) RLY STEREO COMPONENT EQUALIZER ASSEMBLY STOP FUSE STOP LIGHT SWITCH ASSEMBLY STRG LOCK FUSE TELEMATICS TRANSCEIVER VOLTAGE INVERTER ASSEMBLY WHT WIRE WHT/BLK WIRE