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

4 WHEEL DRIVE CONTROL ECU 4 WHEEL DRIVE POSITION SWITCH 1 BLK WIRE BLU WIRE CAN I/F CDL+ CENTER CONSOLE COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY 2 COMPUTER DATA LINES SYSTEM DIFFERENTIAL LOCK INDICATOR SWITCH DIFFERENTIAL LOCK SWITCH DISPLAY DRIVER ECU-IGR 5 FUSE ENGINE ROOM R/B 1 ENGINE STOP, START ECU FLP FR+B FRE FRONT DIFFERENTIAL LOCK SOLENOID (FRONT DIFFERENTIAL CARRIER ASSEMBLY) FRONT DIFFERENTIAL SWITCH FSL- GRN WIRE HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 3 RELAY ENERGIZED IGR INTEGRATION CONTROL ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY LT GRN WIRE METER-IGR FUSE MTS (+) ORG/ WIRE PNK FLP WIRE PNK LO WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLU WIRE PPL/GRN WIRE PPL/PNK WIRE PPL/WHT WIRE REAR DIFFERENTIAL LOCK SOLENOID (REAR DIFFERENTIAL CARRIER ASSEMBLY) REAR DIFFERENTIAL SWITCH RED WIRE RIGHT END OF DASH) RR+B RRE SL- SLS+ SLV SPS SWITCH TRANSFER ASSEMBLY (LEFT SIDE OF TRANSMISSION) TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BBC 2 FUSE BIN 2 BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER ENGINE ROOM R/B 2 ENGINE STOP, START ECU GRILLE SHUTT FUSE HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED IG 12 LED DRIVER METER-IGR FUSE MOTOR POWER DISTRIBUTION BOX ASSEMBLY RADIATOR SHUTTER ASSEMBLY RED WIRE RIGHT END OF DASH) TELLTALES W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BKUP LP FUSE BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY ECCS ECT-B FUSE ECU-IGP 3 FUSE ECU-IGR 2 FUSE ECU-IGR 5 FUSE EFI 2 FUSE ENG-IGP 2 FUSE ENGINE ROOM J/B 2 ENGINE ROOM R/B 1 ENGINE STOP, START ECU GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ EFI-MAIN 1 RELAY ENERGIZED HOT W/ IGP 1 RELAY ENERGIZED HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED IGR LEFT PADDLE LT GRN WIRE METER-IGR FUSE NTP ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE PPL/BRN WIRE PPL/LT GRN WIRE PPL/PNK WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) RIGHT PADDLE SDN SFTD SFTU SHIFT SWITCH SPIRAL CABLE SUB-ASSEMBLY STOP FUSE STOP LIGHT SWITCH ASSEMBLY (LEFT END OF DASH) SUP TRANSMISSION CONTROL SWITCH (SHIFT LOCK CONTROL UNIT ASSEMBLY) TRANSMISSION SHIFT SWITCH (LEFT SIDE OF DASH) VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE STOP, START ECU GRN WIRE HAZ FUSE HAZARD SWITCH HAZM HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED HZSW INTEGRATION CONTROL, PANEL ASSEMBLY LED DRIVER LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT TURN IND METER-IGR FUSE ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLU WIRE PPL/PNK WIRE PPL/VIO WIRE RED WIRE RIGHT END OF DASH) RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT OUTER REAR VIEW MIRROR ASSEMBLY RIGHT TURN IND SPEAKER STOP FUSE TELLTALES FLASHER CIRCUIT TRN+ TRNI TRNL TRNR TURN VIO WIRE W/ DOOR CLOSER W/ STOP/ START SYSTEM W/O DOOR CLOSER 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

BBC 2 FUSE BIN 2 BLK WIRE BLU WIRE CANN CANP COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ECU-IGR 1 FUSE ECU-IGR 2 FUSE ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM CRUISE CONTROL SYSTEM 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 HSW IA (LEFT END OF DASH) INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, EXTERIOR LIGHTS SYSTEMS INTEGRATION CONTROL, PANEL ASSEMBLY NAVIGATION, SOUND SYSTEMS ORG/ WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLK WIRE PPL/RED WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM VIO WIRE W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

AUTO TAIL BKL BLK WIRE BLU WIRE BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) BRAKE LEVEL WARNING SWITCH (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CXPI ECU-IGR 3 FUSE ECU-IGR 5 FUSE EFI 1 FUSE ENGINE ROOM R/B 2 ENGINE STOP, START ECU GRN WIRE HEAD HEAD OFF HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED IGR L OFF LBL LEVEL WARNING SWITCH ASSEMBLY LIGHT CONTROL SWITCH OFF PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BRN WIRE PPL/RED WIRE RED WIRE RIGHT END OF DASH) RLBT RRBT SEMICONDUCTOR POWER INTEGRATION ECU SPEAKER SPIRAL CABLE SUB-ASSEMBLY STEERING WHEEL SWITCH HOUSING TAIL AUTO HEAD TURN SIGNAL SWITCH WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRK CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CXPI ENGINE ROOM J/B ASSEMBLY ENGINE STOP, START ECU EXTERIOR LAMPS CIRCUIT FLASHER CIRCUIT HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED IE (LEFT SIDE OF DASH) LEFT MAIN BODY ECU METER-IGR FUSE OPTION CONNECTOR (TOWING BRAKE CONTROLLER) ORG/ WIRE PDB ALT 1 FUSE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLU WIRE PPL/GRN WIRE PPL/RED WIRE PPL/VIO WIRE RED WIRE RIGHT RIGHT END OF DASH) SPEAKER TAIL TOWING TAIL-S RELAY TURN W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT/BLK WIRE