Lexus LX J300 (2021-2024) engine stop, start ecu Wiring diagrams

ABS MAIN 2 FUSE ABS MTR 1 FUSE ABS- MAIN 1 FUSE BF (LEFT REAR OF ENGINE COMPT) BLK WIRE BLU WIRE BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) BRAKE BOOSTER W/ ACCUMULATOR PUMP ASSEMBLY BRAKE LEVEL WARNING SWITCH (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM CTY EFI 1 FUSE ENG-IGP 2 FUSE ENGINE ROOM R/B 2 ENGINE STOP, START ECU GRN WIRE HDCS HOT AT ALL TIMES HOT W/ EFI-MAIN 1 RELAY ENERGIZED HOT W/ IGP 2 RELAY ENERGIZED LBL MGND PNK WIRE PPL/BLK WIRE PPL/BRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE RED WIRE VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

AHB AUTO TAIL OFF HEAD AUTOMATIC HIGH BEAM INDICATOR AUTOMATIC HIGH BEAM SWITCH AUTOMATIC LIGHT CONTROL SENSOR BLED BLK WIRE BLU WIRE CAN I/F CLTB CLTE CLTS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CXPI DISPLAY ECU-ACC FUSE ECU-DCC 2 FUSE ECU-IGR 2 FUSE ECU-IGR 3 FUSE ELED ELED EL ENGINE STOP, START ECU FOG RR RELAY FOG SWITCH GRY WIRE HDL HEAD HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED IGR L OFF LCTY 1 13 RCTY LED DRIVER LEFT REAR FOG LIGHT (RIGHT REAR BUMPER EXTENSION MOULDING) LIGHT CONTROL SWITCH MAIN BODY ECU METER-IGR FUSE OFF ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/ORG WIRE PPL/RED WIRE REAR FOG RED WIRE RIGHT END OF DASH) RIGHT REAR FOG LIGHT (RIGHT REAR BUMPER EXTENSION MOULDING) SPIRAL CABLE SUB-ASSEMBLY STEERING WHEEL SWITCH HOUSING TAIL AUTO HEAD TELLTALES TURN SIGNAL SWITCH VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE CAN I/F CANN CANP COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ECU-B 3 FUSE ECU-IGR 2 FUSE EFI 1 FUSE ENGINE ROOM R/B 2 ENGINE STOP, START ECU GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED INTEGRATION CONTROL, PANEL ASSEMBLY (TOP OF CENTER CONSOLE) LED DRIVER METER-IGR FUSE MSCH MSCL ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLK WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) SPEAKER TELLTALES VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE CAN I/F CANN CANP COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ECU-B 3 FUSE ECU-IGR 2 FUSE EFI 1 FUSE ENGINE ROOM R/B 2 ENGINE STOP, START ECU GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED INTEGRATION CONTROL, PANEL ASSEMBLY (TOP OF CENTER CONSOLE) LED DRIVER METER-IGR FUSE MSCH MSCL ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLK WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) SPEAKER TELLTALES VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

ACC RELAY BLK WIRE BLU WIRE DOME CUT RELAY ECO RUN VEHICLE CONVERTER ASSEMBLY ECU-ACC FUSE ENGINE STOP, START ECU FROM ENGINE ROOM J/B 1 (DIAGRAM 4 OF 13) GRN WIRE INTEGRATION CONTROL, PANEL ASSEMBLY LEFT USB CHARGER SOCKET 2 LEFT USB CHARGER SOCKET 3 MULTI-MEDIA MODULE RECEIVER ASSEMBLY NETWORK GATEWAY ECU ORG/ WIRE P/OUTLET 1 FUSE P/OUTLET RELAY PNK WIRE POWER OUTLET SOCKET ASSEMBLY 1 POWER OUTLET SOCKET ASSEMBLY 3 PPL PPL/BLK WIRE PPL/BLU WIRE PPL/ORG WIRE PPL/PNK WIRE PPL/RED WIRE PPL/VIO WIRE QD (RIGHT "D" PILLAR) REAR POWER SEAT SWITCH RED WIRE RIGHT END OF DASH) RIGHT USB CHARGER SOCKET 2 RIGHT USB CHARGER SOCKET 3 SFT LOCK- ACC FUSE TO CERTIFICATION ECU (DIAGRAM 10 OF 13) TO FRONT MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 13 OF 13) TO HTR FUSE (DIAGRAM 12 OF 13) TO REAR MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 13 OF 13) USB 1 FUSE USB 4 FUSE USB CHARGER SOCKET USB CHARGER SOCKET 3 VIO WIRE W/ 4 SEATER W/ POWER SEAT W/ STOP/ START SYSTEM W/O 4 SEATER W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BLK WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BLU WIRE DATA LINK CONNECTOR 3 DOME CUT RELAY LUGGAGE ROOM R/B 1 DOME FUSE DOOR BACK FUSE DOOR F/L FUSE DOOR F/R FUSE DOOR R/L FUSE DOOR R/R FUSE ENGINE STOP, START ECU FROM ACC RELAY (DIAGRAM 11 OF 13) GRN WIRE HTR FUSE LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT REAR MULTIPLEX NETWORK DOOR ECU LEFT SPOT LIGHT ASSEMBLY LT GRN WIRE MULTIPLEX TILT, TELESCOPIC ECU OBD FUSE P/SEAT (FR) FUSE P/SEAT F/L FUSE PNK WIRE POSITION CONTROL ECU ASSEMBLY POSITION CONTROL ECU ASSEMBLY 2 PPL/BLK WIRE PPL/BLU (OR BLU) WIRE PPL/BLU WIRE PPL/PNK WIRE PPL/RED (OR RED) WIRE PPL/RED WIRE PPL/VIO WIRE RED WIRE RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT FRONT POWER SEAT SWITCH ASSEMBLY RIGHT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT REAR MULTIPLEX NETWORK DOOR ECU RIGHT SPOT LIGHT ASSEMBLY ROOM LIGHT CONTROL RELAY S/ROOF FUSE SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) TI, TE FUSE TO ECU-B 3 FUSE (DIAGRAM 13 OF 13) USED) VIO WIRE W/ 4 SEATER W/ DOOR CLOSER W/ STOP/ START SYSTEM W/O 4 SEATER W/ STOWING FUNCTION W/O 4 SEATER, STOWING FUNCTION W/O DOOR CLOSER W/O STOP/ START SYSTEM WHT WIRE

AIR CONDITIONING AMPLIFIER ASSEMBLY BLK WIRE BLU WIRE CENTER CONSOLE COMPUTER DATA LINES SYSTEM DIS ECU-B 3 FUSE ENGINE STOP, START ECU FROM DOOR BACK FUSE (DIAGRAM 12 OF 13) FROM POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 11 OF 13) FROM RAIN SENSOR (DIAGRAM 8 OF 13) FRONT MOBILE WIRELESS CHARGER CRADLE ASSEMBLY GRN WIRE GRY WIRE INNER REAR VIEW MIRROR ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT REAR MULTIPLEX NETWORK DOOR ECU ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY POWER WINDOW MASTER SWITCH W/ BEZEL ASSEMBLY PPL PPL/BLU WIRE PPL/GRY WIRE PPL/PNK (OR BLU) WIRE PPL/PNK WIRE PPL/RED WIRE REAR MOBILE WIRELESS CHARGER CRADLE ASSEMBLY RED WIRE RIGHT END OF DASH) RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT REAR MULTIPLEX NETWORK DOOR ECU ROOM LIGHT CONTROL RELAY TAIL TO CERTIFICATION ECU (DIAGRAM 10 OF 13) VIO WIRE W/ DOOR CLOSER W/ OPTION CONNECTOR W/O OPTION CONNECTOR W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

10 SPEAKER 25 SPEAKER A/C 1 FUSE AHC-B FUSE AIR CONDITIONING AMPLIFIER ASSEMBLY BLK WIRE BLOWER MOTOR (COOLING BOX ASSEMBLY) BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) CONTROL SWITCH ASSEMBLY COOLER MAGNET VALVE ASSEMBLY (REAR COOLING UNIT EXPANSION VALVE) COOLING BOX AMPLIFIER (COOLING BOX ASSEMBLY) ECU-B 5 FUSE ECU-IGP 3 FUSE ENG-IGP 1 FUSE ENG-IGP 2 FUSE ENGINE ROOM R/B 1 (RIGHT SIDE OF ENGINE COMPT) ENGINE STOP, START ECU FROM ENGINE ROOM R/B 1 (DIAGRAM 2 OF 13) FROM ENGINE ROOM R/B 1 (DIAGRAM 4 OF 13) GRN WIRE GRY WIRE IGP 2 RELAY IGP 3 FUSE IGP 3 RELAY ION GENERATOR SUB-ASSEMBLY LEFT POSITION CONTROL ECU ASSEMBLY LUGGAGE ROOM J/B 1 MULTIPLEX NETWORK DOOR ECU NETWORK GATEWAY ECU P/SEAT (FR)-2 FUSE P/SEAT (RR) FUSE P/SEAT R/L FUSE PBD FUSE POSITION CONTROL ECU ASSEMBLY 2 PPL/GRN WIRE PPL/GRY WIRE PPL/WHT WIRE PTC 1 RELAY PTC 2 RELAY PTC 3 RELAY REAR COOLING UNIT EXPANSION VALVE REAR POWER SEAT SWITCH RED WIRE RIGHT POSITION CONTROL ECU ASSEMBLY SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) SMOG VENTILATION SENSOR STEREO COMPONENT EQUALIZER ASSEMBLY STOP LIGHT SWITCH ASSEMBLY SUSPENSION CONTROL ECU TO EDU FUSE (DIAGRAM 6 OF 13) TRANSMISSION CONTROL ECU ASSEMBLY USED) VIO WIRE VIP SEAT RL FUSE VIP SEAT RR FUSE W/ REAR SEAT ENTERTAINMENT SYSTEM W/O REAR SEAT ENTERTAINMENT SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

4 WHEEL DRIVE CONTROL ECU A/F FUSE A/F RELAY ABS 1 FUSE ABS 2 FUSE ABS MAIN 2 FUSE ABS MTR 1 FUSE ABS- MAIN 1 FUSE BBC 1 FUSE BBC 2 FUSE BLK WIRE BLU WIRE BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) 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 J/B 2 ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE STOP, START ECU ETCS FUSE FROM ENGINE ROOM J/B 1 (DIAGRAM 1 OF 13) FROM IGP 2 RELAY (DIAGRAM 5 OF 13) IGT/INJ FUSE IGT/INJ RELAY LT GRN WIRE PNK WIRE RED WIRE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) ST 1 FUSE ST 1 RELAY ST 2 FUSE ST 2 RELAY VIO WIRE WHT WIRE

A/BAG-IGR FUSE AIR BAG SENSOR W/ ECU ASSEMBLY BLK WIRE BLU WIRE BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) COMBINATION METER ASSEMBLY DOOR CONTROL BATTERY ECU-IGR 1 FUSE ECU-IGR 3 FUSE ECU-IGR 4 FUSE ECU-IGR 5 FUSE ENGINE STOP, START ECU FORWARD RECOGNITION CAMERA FORWARD RECOGNITION HOOD W/ HEATER SUB-ASSEMBLY FROM STOP FUSE (DIAGRAM 7 OF 13) IGR 1 RELAY IGR 2 RELAY INTEGRATION CONTROL, PANEL ASSEMBLY LEFT REAR MULTIPLEX NETWORK DOOR ECU LEFT TENSION REDUCER (LEFT FRONT SEAT OUTER BELT ASSEMBLY) LT BLU WIRE METER-IGR FUSE MULTIPLEX NETWORK DOOR ECU PARKING ASSIST ECU PNK WIRE POSITION CONTROL ECU ASSEMBLY POSITION CONTROL ECU ASSEMBLY 2 PPL PPL/BLK WIRE PPL/GRN WIRE PPL/RED WIRE PPL/VIO WIRE RAIN SENSOR RED WIRE RIGHT END OF DASH) RIGHT REAR 1 SEAT OUTER BELT ASSEMBLY RIGHT TENSION REDUCER (RIGHT FRONT SEAT OUTER BELT ASSEMBLY) SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) SPIRAL CABLE SUB-ASSEMBLY SUSPENSION CONTROL ECU TO CERTIFICATION ECU (DIAGRAM 10 OF 13) TO ECU-IGR 2 FUSE (DIAGRAM 9 OF 13) TO OPTION CONNECTOR (DIAGRAM 13 OF 13) TO SMART FUSE (DIAGRAM 10 OF 13) W/O STOP/ START SYSTEM WHT WIRE