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

ALT FUSE ALT-CDS FUSE BATT-S 1 FUSE BATT-S 2 FUSE BATTERY BATTERY STATE SENSOR ASSEMBLY BBC 2 FUSE BIN 2 BLK WIRE BLK/WHT WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY ENGINE ROOM J/B 1 ENGINE ROOM R/B 1 ENGINE ROOM R/B 2 ENGINE STOP, START ECU FUSIBLE LINK BLOCK ASSEMBLY GENERATOR W/ REGULATOR ASSEMBLY HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED IG 12 LED DRIVER METER-IGR FUSE NCA WIRE POWER DISTRIBUTION BOX ASSEMBLY RBAT RED WIRE RIGHT END OF DASH) TELLTALES W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE CERTIFICATION ECU (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM DOME CUT RELAY ECU-B FUSE EFI 1 FUSE ENGINE ROOM R/B 2 ENGINE STOP, START ECU ENGINE SWITCH (PUSH START SWITCH) HOT AT ALL TIMES HOT W/ EFI-MAIN 1 RELAY ENERGIZED INTERIOR ILLUMINATION LIGHT ASSEMBLY 2 LEFT REAR COURTESY LIGHT ASSEMBLY LEFT REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY LT GRN WIRE LUGGAGE COMPARTMENT LIGHT ASSEMBLY 1 POWER BACK DOOR CONTROL SWITCH 1 POWER CONTROL SWITCH POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/LT BLU WIRE PPL/PNK WIRE PPL/RED WIRE PPL/VIO WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) SWIL W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BKUP LP FUSE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU-IGP 3 FUSE ENG-IGR 2 FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM R/B NO 1 ENGINE STOP, START ECU GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGP 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED HOT W/ IGR 3 RELAY ENERGIZED IGB MILLIMETER WAVE RADAR SENSOR ASSEMBLY PARK/NEUTRAL POSITION SWITCH ASSEMBLY PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLK WIRE PPL/BLU WIRE PPL/BRN WIRE PPL/PNK WIRE RED WIRE RIGHT END OF DASH) SGND SHIFT POSITION INDICATOR (SHIFT LOCK CONTROL UNIT ASSEMBLY) STOP FUSE TRANSMISSION CONTROL ECU ASSEMBLY W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE

BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DSMS ECU-IGR 5 FUSE ENGINE STOP, START ECU GRN WIRE GRY WIRE HEIGHT SENSOR HOT W/ IGR 1 RELAY ENERGIZED IGR INTEGRATION CONTROL, PANEL ASSEMBLY LEFT FRONT SPEED SENSOR LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LT GRN WIRE MCMS METER-IGR FUSE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY RED WIRE RIGHT END OF DASH) RIGHT FRONT SPEED SENSOR RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY ROTA ROTB SHB SHFL SHFR SHG SHRL SHRR W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BVFL BVFR BVRL BVRR CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRFL CRRL CVL DISPLAY DRIVER ECU-IGR 5 FUSE ENGINE STOP, START ECU GRN WIRE GRY WIRE HEIGHT CONTROL VALVE ASSEMBLY 1 HEIGHT CONTROL VALVE ASSEMBLY 2 HOT W/ IGR 1 RELAY ENERGIZED IGR LEFT FRONT SUSPENSION CONTROL VALVE ASSEMBLY LEFT REAR SUSPENSION CONTROL VALVE ASSEMBLY LT BLU WIRE LT GRN WIRE LVFL LVFR LVRL LVRR METER-IGR FUSE ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY RED WIRE RIGHT END OF DASH) RIGHT REAR SUSPENSION CONTROL VALVE ASSEMBLY SLB SPB SPG VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

-DP 10 SPEAKER 25 SPEAKER BACK BLK WIRE BLU WIRE BRAKE LEVEL WARNING SWITCH (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM CXPI DOWN ECU- DCC 1 FUSE EFI 1 FUSE ENGINE ROOM R/B 2 ENGINE STOP, START ECU ENTER GRN WIRE HAZ FUSE HOT AT ALL TIMES HOT W/ EFI-MAIN 1 RELAY ENERGIZED HOT W/ IGR 1 RELAY ENERGIZED ILU INTEGRATION CONTROL, PANEL ASSEMBLY LEFT LEFT STEERING PAD SWITCH METER MIRROR SUB-ASSEMBLY METER-IGR FUSE MULTI-MEDIA MODULE RECEIVER ASSEMBLY MULTIPLEX NETWORK STEERING ECU PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BRN WIRE PPL/GRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/VIO WIRE PPL/WHT WIRE RED WIRE RIGHT RIGHT END OF DASH) SPIRAL CABLE SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY STEREO COMPONENT AMPLIFIER ASSEMBLY W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE CAN I/F CLM (-) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CPSE CRUISE CONTROL SYSTEM CUTB DETECTION DISPLAY DRIVER DLSE ENGINE CONTROLS SYSTEM ENGINE STOP, START ECU GRN WIRE GRY WIRE H/FU HNDL IGPD IGRD INIT LED DRIVER LSSR ORG/ WIRE PNK WIRE POLE POWER DISTRIBUTION SYSTEM PPL PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/VIO WIRE RED WIRE RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT REAR DOOR LOCK W/ MOTOR ASSEMBLY RIGHT REAR MULTIPLEX NETWORK DOOR ECU STAR STARTING/CHARGING SYSTEM STOP TELLTALES UNLOCK VIO WIRE W/ DOOR CLOSER W/ STOP/ START SYSTEM W/O DOOR CLOSER W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BZR CAN I/F CLS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DWN DWN PNK OPN WIRE ECU-DCC 2 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/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED IGR INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT DOOR LOCK W/ MOTOR ASSEMBLY MAIN BODY ECU MAP LIGHT SUB-ASSEMBLY METER-IGR FUSE OPN PNK WIRE PPL RED WIRE RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY S/ROOF FUSE SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) VIO WIRE W/ DOOR CLOSER (FRONT, REAR) W/ STOP/ START SYSTEM W/O DOOR CLOSER (FRONT, REAR) W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER

10 SPEAKER 25 SPEAKER ANTI-LOCK BRAKES SYSTEM BBC 1 FUSE BBC 2 FUSE BI (RIGHT END OF DASH) BIN BJ (RIGHT END OF DASH) BLK WIRE BLU WIRE CLL COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DGND ECAN ECO RUN CANCEL SWITCH ECO-RUN VEHICLE CONVERTER ASSEMBLY (RIGHT FRONT CORNER OF ENGINE COMPT) ECU-ACC FUSE ECU-IGP 3 FUSE ECU-IGR 5 FUSE EFI 1 FUSE ENGINE ROOM R/B 1 ENGINE ROOM R/B 2 ENGINE STOP, START ECU GRN WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED HOT W/ IGP 1 RELAY ENERGIZED HOT W/ IGR 1 RELAY ENERGIZED IGP IGR NOPM ORG/ WIRE PA-BBC FUSE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/VIO WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) STARTING CIRCUIT STEREO COMPONENT AMPLIFIER ASSEMBLY WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F CERTIFICATION ECU COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CSEL DATA ECU-B 2 FUSE ECU-IGR 2 FUSE ECU-IGR 5 FUSE EFI 1 FUSE ELECTRICAL KEY, TIRE PRESSURE MONITORING SYSTEM RECEIVER ASSEMBLY ENGINE ROOM R/B 2 ENGINE STOP, START ECU GRN WIRE HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED IA (LEFT END OF DASH) IGR PPL/PNK WIRE LED DRIVER LT GRN WIRE METER-IGR FUSE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLK WIRE PPL/BLU WIRE PPL/GRY WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE RCO RDAM RED WIRE RIGHT END OF DASH) STARTING/CHARGING SYSTEM TELLTALES W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE