Lexus LX J300 (2021-2024) main body ecu Wiring diagrams

AIR CONDITIONING AMPLIFIER ASSEMBLY AIR CONDITIONING HARNESS ASSEMBLY AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLU WIRE BUS - BUSB BUSG CLTB CLTE CLTS COMMUNICATION IC COMPUTER DATA LINES SYSTEM CXPI ECU-DCC 2 FUSE ECU-IGR 2 FUSE FRONT EVAPORATOR TEMPERATURE SENSOR GRY WIRE HOT AT ALL TIMES HOT W/ IGR 2 RELAY ENERGIZED MAIN BODY ECU PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/WHT WIRE RBBU RBUG RBUS REAR COOLING UNIT (COOLER WIRING HARNESS SUB-ASSEMBLY 1) REAR EVAPORATOR RED WIRE RIGHT END OF DASH) SERVO MOTOR (DRIVER SIDE A/M FR RR) SERVO MOTOR (DRIVER SIDE A/M LOWER) SERVO MOTOR (DRIVER SIDE A/M UPPER) SERVO MOTOR (DRIVER SIDE MODE FACE) SERVO MOTOR (DRIVER SIDE MODE FOOT) SERVO MOTOR (LEFT REAR AIR MIX) SERVO MOTOR (MODE DEF) SERVO MOTOR (PASSENGER SIDE A/M FR RR) SERVO MOTOR (PASSENGER SIDE A/M LOWER) SERVO MOTOR (PASSENGER SIDE A/M UPPER) SERVO MOTOR (PASSENGER SIDE MODE FACE) SERVO MOTOR (PASSENGER SIDE MODE FOOT) SERVO MOTOR (R/F) SERVO MOTOR (REAR MODE CONTROL) SERVO MOTOR (RIGHT REAR AIR MIX) SERVO MOTOR (RR MODE) SGA TEA TEMPERATURE SENSOR WHT WIRE

ACL AIR CONDITIONING AMPLIFIER ASSEMBLY BLK WIRE BLU WIRE BRN WIRE CANN CANP CERTIFICATION ECU (LEFT END OF DASH) DATA LINK CONNECTOR 3 GRN WIRE GRY WIRE HOT AT ALL TIMES LCH LCL LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT HEADLIGHT ECU SUB-ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT REAR MULTIPLEX NETWORK DOOR ECU LT GRN WIRE MAIN BODY ECU MULTIPLEX NETWORK DOOR ECU MULTIPLEX TILT, TELESCOPIC ECU OBD FUSE PNK WIRE POSITION CONTROL ECU ASSEMBLY POWER DISTRIBUTION BOX ASSEMBLY PPL RED WIRE RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT HEADLIGHT ECU SUB-ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT REAR MULTIPLEX NETWORK DOOR ECU SGND VIO WIRE W/ DOOR CLOSER W/O DOOR CLOSER WHT WIRE WHT/BLK WIRE

ACAN AHID BLK WIRE BLU WIRE BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) COMPUTER DATA LINES SYSTEM DMDR DOME CUT FUSE DOME CUT RELAY DOME FUSE ECU- DCC 1 FUSE ECU-DCC 2 FUSE ECU-IGR 2 FUSE ENGINE ROOM J/B 1 FLCL GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGR 2 RELAY ENERGIZED IGR LCTY LCYL LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT SPOT LIGHT ASSEMBLY LEFT STEP LIGHT ASSEMBLY LSWL LSWR LT GRN WIRE MAIN BODY ECU MILE ORG/ WIRE PDB ALT 1 FUSE PNK DMON WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLU WIRE PPL/RED WIRE PPL/WHT WIRE RCTY RCYL PNK FRCL WIRE RED WIRE RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT SPOT LIGHT ASSEMBLY RIGHT STEP LIGHT ASSEMBLY VIO WIRE W/ 4 SEATER W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE ENGINE ROOM R/B 1 HIGH PITCHED HORN ASSEMBLY HORN HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES LOW PITCHED HORN ASSEMBLY MAIN BODY ECU POWER DISTRIBUTION BOX ASSEMBLY PPL/WHT WIRE RIGHT END OF DASH) SPIRAL CABLE SUB-ASSEMBLY

BLK WIRE BLU WIRE BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) CERTIFICATION ECU (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ECU-IGR 2 FUSE GRN WIRE GRY WIRE HOT W/ IGR 2 RELAY ENERGIZED IC (RIGHT END OF DASH) IGR LBL LCTY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY MAIN BODY ECU ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/WHT WIRE RCTY RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) SPDO VIO WIRE WHT WIRE

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CONSOLE BOX LIGHT SUB- ASSEMBLY CONTROL SWITCH ASSEMBLY COOLER CONTROL SWITCH ASSEMBLY CXPI ECU-DCC 2 FUSE ECU-IGR 2 FUSE ECU-IGR 3 FUSE ENGINE ROOM J/B 1 FOLD SEAT SWITCH ASSEMBLY 1 GRN WIRE GRY WIRE HEAD HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED IGR LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY MAIN BODY ECU METER-IGR FUSE PANEL RELAY PDB ALT 1 FUSE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLU WIRE PPL/GRN WIRE PPL/RED WIRE REAR MOBILE WIRELESS CHARGER CRADLE ASSEMBLY RED WIRE RIGHT END OF DASH) RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY RIGHT REAR POWER SEAT SWITCH TAIL TAIL RELAY VIO WIRE W/ POWER SEAT WHT/BLK WIRE

BCUT BDR BLIND SPOT MONITOR IND BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLU WIRE BRN WIRE BSM BTL CANN CANP COMPUTER DATA LINES SYSTEM CPBJ CPUB EC MIRROR EC+ ECU-B 3 FUSE ECU-DCC 2 FUSE ECU-IGR 2 FUSE FOG LIGHT IND GRN WIRE GRN/RED WIRE GRY WIRE GTL HOT AT ALL TIMES HOT W/ IGR 2 RELAY ENERGIZED HSSR HTR IGR ILL IND LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT OUTER REAR VIEW MIRROR ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MIRROR HEATER MLP MRY MSWE NAVIGATION SYSTEM ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) SEAT MEMORY SWITCH SET- SGND SIG TRN+ TURN VIO WIRE VSSR WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

ACTG ALL DOOR LOCK RELAY ALL DOOR UNLOCK RELAY ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM D DOOR UNLOCK RELAY D/L FUSE ECU-IGR 2 FUSE GRN WIRE GRY WIRE HOOD COURTESY SWITCH HOT AT ALL TIMES HOT W/ IGR 2 RELAY ENERGIZED IC (RIGHT END OF DASH) IGR LCTY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LSWL LSWR MAIN BODY ECU ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE PPL/BRN WIRE PPL/GRY WIRE PPL/PNK WIRE PPL/RED WIRE PPL/VIO WIRE PPL/WHT WIRE RCTY RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY SBAT VIO WIRE WHT WIRE

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT DOOR F/L FUSE DOOR F/R FUSE DOOR LOCK SWITCH DOWN DRIVER SIDE AUTO SWITCH DRIVER SIDE DOWN SWITCH DRIVER SIDE UP SWITCH ECU-B 3 FUSE ECU-DCC 2 FUSE ECU-IGR 2 FUSE FRONT PASSENGER SIDE CONTROL SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGR 2 RELAY ENERGIZED IGR LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR SIDE CONTROL SWITCH MAIN BODY ECU POWER DISTRIBUTION BOX ASSEMBLY POWER WINDOW MASTER SWITCH W/ BEZEL ASSEMBLY PPL PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR SIDE CONTROL SWITCH VIO WIRE WINDOW LOCK SWITCH

BLK WIRE BLU WIRE BUCKLE SWITCH COMPUTER DATA LINES SYSTEM CXPI ECU-IGR 2 FUSE GRN WIRE GRY WIRE GSW LEFT FRONT SEAT BELT SET LEFT REAR SEAT INNER BELT ASSEMBLY 1 LEFT SEAT POSITION AIR BAG SENSOR LHB- LT BLU WIRE MAIN BODY ECU MAIN RELAY ENERGIZED MAP LIGHT ASSEMBLY PASSENGER AIR BAG ON/OFF INDICATOR PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/RED WIRE PPL/WHT WIRE PRETENSIONER RIGHT REAR SEAT OUTER BELT ASSEMBLY 1 RED WIRE RHB+ RIGHT END OF DASH) RIGHT FRONT SEAT BELT SET RIGHT REAR SEAT INNER BELT ASSEMBLY 1 RLSS RRSS W/ 4 SEATER W/O 4 SEATER WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE