Lexus LX J300 (2021-2024) Power distribution circuit

4 WHEEL DRIVE CONTROL ECU ABSORBER CONTROL ECU AVS-IGR FUSE BATTERY BLK WIRE BLU WIRE DEICER RELAY ENG- IGR 1 FUSE ENG-IGR 2 FUSE ENG-IGR 3 FUSE ENGINE ROOM J/B 1 ENGINE ROOM R/B 1 (RIGHT SIDE OF ENGINE COMPT) EPS-1 FUSE EPS-2 FUSE FUSIBLE LINK BLOCK ASSEMBLY GRN WIRE GRY WIRE H-LP CLN RELAY IGR 3 RELAY LEFT HEADLIGHT ECU SUB-ASSEMBLY MILLIMETER WAVE RADAR SENSOR ASSEMBLY ORG/ WIRE POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) PPL PPL/BLK WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/RED WIRE RIGHT HEADLIGHT ECU SUB-ASSEMBLY SEMICONDUCTOR POWER INTEGRATION ECU SUB BATT RELAY SUB R/B 1 FUSE TO BATT-S 2 FUSE (DIAGRAM 2 OF 13) TO ENGINE ROOM J/B 2 (DIAGRAM 6 OF 13) TO ENGINE ROOM R/B 1 (DIAGRAM 3 OF 13) TO ENGINE ROOM R/B 1 (DIAGRAM 4 OF 9) TO POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 8 OF 13) TOWING CONVERTER RELAY TOWING FUSE WHT WIRE WIPER FUSE WIPER RELAY

10 SPEAKER 25 SPEAKER AMP 1 FUSE AMP 2 FUSE BATT-S 1 FUSE BATT-S 2 FUSE BATTERY STATE SENSOR ASSEMBLY BLK WIRE BLU WIRE CDS FAN RELAY DCM FUSE ECO RUN VEHICLE CONVERTER ASSEMBLY ECU- IGP 2 FUSE ECU-IGP 3 FUSE ENG P/I-B FUSE FROM EPS 1 FUSE (DIAGRAM 1 OF 13) GRN WIRE HORN FUSE HORN RELAY IGP 1 RELAY LEFT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY LEFT SEAT HEATER CONTROL SUB-ASSEMBLY MULTI INFORMATION DISPLAY ASSEMBLY 1 MULTI INFORMATION DISPLAY ASSEMBLY 2 PA-BBC FUSE PNK WIRE PPL PPL/PNK WIRE RED WIRE RSE DISP FUSE S-HORN FUSE S/HTR F/L FUSE SEMICONDUCTOR POWER INTEGRATION ECU SHIFT LOCK CONTROL UNIT ASSEMBLY STEREO COMPONENT AMPLIFIER ASSEMBLY TELEPHONE TRANSCEIVER ASSEMBLY THEFT WARNING SIREN ASSEMBLY TO ALT FUSE (DIAGRAM 3 OF 13) TO LUGGAGE ROOM R/B 1 (DIAGRAM 5 OF 13) TO POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 10 OF 13) TO S/HTR FR FUSE (DIAGRAM 3 OF 13) W/ 4 SEATER W/ REAR SEAT ENTERTAINMENT SYSTEM W/ STOP/ START SYSTEM W/O 4 SEATER W/O STOP/ START SYSTEM WHT WIRE

A/C RR FUSE ALT FUSE ALT-CDS FUSE BLK WIRE BLOWER MOTOR CONTROL BLU WIRE COMBINATION METER ASSEMBLY D/C CUT FUSE FROM AMP 2 FUSE (DIAGRAM 2 OF 13) FROM ECU-IGP 3 (DIAGRAM 2 OF 13) GENERATOR W/ REGULATOR ASSEMBLY GRN WIRE HWD 1 FUSE HWD 2 FUSE IGR 2 FUSE IGR 4 RELAY METER FUSE MULTI- DISPLAY ASSEMBLY MULTI-DISPLAY CONTROLLER MULTI-MEDIA MODULE RECEIVER ASSEMBLY OPTION CONNECTOR (TOWING BRAKE CONTROLLER) PDB-B FUSE PNK WIRE PPL PPL/BLK WIRE PPL/PNK WIRE PPL/RED WIRE RADIO FUSE RED WIRE RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER ASSEMBLY RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY S/HTR F/R FUSE TO CDS FAN FUSE (DIAGRAM 4 OF 13) TO POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 7 OF 13) TOW BRK FUSE W/ 4 SEATER W/ REAR SEAT ENTERTAINMENT SYSTEM W/O 4 SEATER W/O REAR SEAT ENTERTAINMENT SYSTEM WASHER FUSE WHT WIRE WINDSHIELD WIPER RELAY ASSEMBLY

AC INV FUSE AC INV RELAY AHC FUSE AHC RELAY BLK WIRE BLU WIRE CDS FAN FUSE CDS FAN RELAY DEICER FUSE DEICER RELAY ENGINE ROOM J/B 1 ENGINE ROOM R/B 1 (RIGHT SIDE OF ENGINE COMPT) FOLD SEAT CONTROL ECU FROM HWD 2 FUSE (DIAGRAM 3 OF 13) GRN WIRE H-LP CLN FUSE H-LP CLN RELAY LEFT POSITION CONTROL ECU ASSEMBLY MULTIPLEX NETWORK STEERING ECU PDB ALT 1 FUSE PDB ALT 2 FUSE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY POWER OUTLET SOCKET ASSEMBLY 2 PPL PPL GND PPL/BLK WIRE PPL/GRN WIRE PPL/LT GRN WIRE PPL/RED WIRE PPL/WHT WIRE PTC 1 FUSE PTC 1 RELAY PTC 2 FUSE PTC 2 RELAY PTC 3 RELAY PTC-3 FUSE RED WIRE RFS LH FUSE RFS RH FUSE RIGHT END OF DASH) RIGHT POSITION CONTROL ECU ASSEMBLY RR R/B-ALT FUSE SPIRAL CABLE SUB-ASSEMBLY STRG HTR FUSE SUB BATT FUSE SUB BATT RELAY TO LUGGAGE ROOM J/B 1 (DIAGRAM 5 OF 13) TO POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 11 OF 13) TOW BK/UP FUSE TOW BK/UP RELAY TOW TAIL FUSE TOW TAIL RELAY VOLTAGE INVERTER ASSEMBLY W/ 4 SEATER W/O 4 SEATER 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

ALL DOOR LOCK RELAY ALL DOOR UNLOCK RELAY BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU COOLING BOX AMPLIFIER (COOLING BOX ASSEMBLY) D DOOR UNLOCK RELAY D/L FUSE ECU- DCC 1 FUSE ECU-B 1 FUSE ECU-DCC 2 FUSE FOLD SEAT CONTROL ECU FROM ENGINE ROOM R/B 1 (DIAGRAM 3 OF 13) GRN WIRE ID CODE BOX LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT PNEUMATIC VALVE CONTROL ECU (LEFT REAR SEAT CUSHION SPRING) LEFT POSITION CONTROL ECU ASSEMBLY MAIN BODY ECU MAP LIGHT ASSEMBLY METER MIRROR SUB-ASSEMBLY MULTIPLEX NETWORK DOOR ECU MULTIPLEX TILT, TELESCOPIC ECU PARKING ASSIST ECU POSITION CONTROL ECU ASSEMBLY POSITION CONTROL ECU ASSEMBLY 2 PPL/BLK WIRE PPL/BLU WIRE PPL/BRN WIRE PPL/RED WIRE PPL/WHT WIRE RADIO- DCC FUSE RED WIRE RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT PNEUMATIC VALVE CONTROL ECU (RIGHT REAR SEAT CUSHION SPRING) RIGHT POSITION CONTROL ECU ASSEMBLY STEERING LOCK ACTUATOR/ UPPER BRACKET ASSEMBLY STOP FUSE STOP LIGHT SWITCH ASSEMBLY STRG LOCK FUSE TO IGR 1 RELAY (DIAGRAM 8 OF 13) VIO WIRE W/ 4 SEATER W/O 4 SEATER W/O DOOR CLOSER 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

BKUP LP FUSE BLK WIRE BLU WIRE CLEARANCE WARNING ECU ASSEMBLY COOLER CONTROL SWITCH ASSEMBLY ECU-IGR 2 FUSE ELECTRICAL KEY, TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY EPS-IGR FUSE FROM IGR 2 RELAY (DIAGRAM 8 OF 13) GRN WIRE INNER REAR VIEW MIRROR ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY LEFT BLIND SPOT MONITOR SENSOR LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LT GRN WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY METER MIRROR SUB-ASSEMBLY MULTI- DISPLAY ASSEMBLY MULTI-MEDIA MODULE RECEIVER ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU NETWORK GATEWAY ECU PARK/NEUTRAL POSITION SWITCH ASSEMBLY PNK WIRE POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE REAR WIPER MOTOR ASSEMBLY RED WIRE REFRESHING SEAT SWITCH RIGHT BLIND SPOT MONITOR SENSOR RIGHT END OF DASH) RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT POSITION CONTROL ECU ASSEMBLY RIGHT REAR MULTIPLEX NETWORK DOOR ECU TELEPHONE TRANSCEIVER ASSEMBLY TRANSMISSION CONTROL SWITCH (SHIFT LOCK CONTROL UNIT ASSEMBLY) VIO WIRE W/ DOOR CLOSER W/O DOOR CLOSER WIPER RR FUSE

ACCD BLK WIRE BLU WIRE CERTIFICATION ECU COMBINATION METER ASSEMBLY ECU-B 2 FUSE ECU-B 4 FUSE ELECTRICAL KEY, TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY ENGINE SWITCH (PUSH START SWITCH) FROM ENGINE ROOM R/B 1 (DIAGRAM 2 OF 13) FROM IGR 2 RELAY (DIAGRAM 8 OF 13) FROM POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 11 OF 13) FROM POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 8 OF 13) FROM REAR MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 13 OF 13) GRN WIRE GRY WIRE HAZ FUSE IE (LEFT SIDE OF DASH) IGRD KICK DOOR CONTROL SENSOR ASSEMBLY NETWORK GATEWAY ECU ORG/ WIRE PNK IGPD WIRE PNK WCSW WIRE PNK WIRE PPL/GRY WIRE PPL/PNK WIRE RED WIRE SMART FUSE SPIRAL CABLE SUB-ASSEMBLY 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