Lexus LX J300 (2021-2024) transmission control ecu assembly 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

BLK WIRE BLU WIRE BRAKE PEDAL STROKE SENSOR ASSEMBLY BRN WIRE COMPUTER DATA LINES SYSTEM ECU-IGP 3 FUSE ECU-IGR 1 FUSE ECU-IGR 3 FUSE ENGINE ROOM R/B 1 GRN WIRE HOT AT ALL TIMES HOT W/ IGP 1 RELAY ENERGIZED HOT W/ IGR 1 RELAY ENERGIZED HSW INTEGRATION CONTROL, PANEL ASSEMBLY (TOP OF CENTER CONSOLE) METER-IGR FUSE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLK WIRE PPL/BLU WIRE PPL/BRN WIRE PPL/GRN WIRE PPL/RED WIRE RED WIRE RIGHT END OF DASH) SKG STOP FUSE STOP LIGHT SWITCH ASSEMBLY (LEFT END OF DASH) TRANSMISSION CONTROL ECU ASSEMBLY VCSK W/ STOP/ START SYSTEM W/O STOP/ START SYSTEM WHT WIRE WHT/BLK WIRE

4 WHEEL DRIVE CONTROL ECU BLK WIRE BLU WIRE BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM GRN WIRE IGP LT BLU WIRE NTB NTO NTOE O/T ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (RIGHT REAR OF ENGINE) PKC PNK SLT+ WIRE PNK WIRE PPL/BLK WIRE PPL/BLU WIRE PPL/BRN WIRE PPL/LT GRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/WHT WIRE PWR RED WIRE SHIFT LOCK CONTROL UNIT ASSEMBLY SHIFT POSITION INDICATOR (SHIFT LOCK CONTROL UNIT ASSEMBLY) SL PNK SR WIRE SLT- SLU+ THOC TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

BACKUP BKUP LP FUSE BLU WIRE ENGINE ROOM R/B 1 GRN WIRE HOT AT ALL TIMES HOT W/ IGR 2 RELAY ENERGIZED LEFT BACKUP LIGHT (LEFT REAR BUMPER EXTENSION MOULDING) PARK/NEUTRAL POSITION SWITCH ASSEMBLY PARKING ASSIST ECU PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLU WIRE RED WIRE REV RIGHT BACKUP LIGHT (RIGHT REAR BUMPER EXTENSION MOULDING) RIGHT END OF DASH) SHIFT POSITION INDICATOR (SHIFT LOCK CONTROL UNIT ASSEMBLY) TOW BK/UP FUSE TOW BK/UP RELAY TRAILER SOCKET TRANSMISSION CONTROL ECU ASSEMBLY WHT/BLK WIRE YEL WIRE

ACL AIR BAG SENSOR W/ ECU ASSEMBLY BLK WIRE BLU WIRE BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) BRN WIRE CACH CACL CAFH CAFL CAN (+) GRN WIRE GRY WIRE IE (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE POWER STEERING ECU (RACK, PINION POWER STEERING GEAR ASSEMBLY) RED WIRE RIGHT END OF DASH) SGND SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) SPIRAL CABLE SUB-ASSEMBLY STEREO COMPONENT EQUALIZER ASSEMBLY TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE WHT 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 BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER W/ MASTER CYLINDER ASSEMBLY) BRN WIRE CENTER STOP LIGHT ASSEMBLY CERTIFICATION ECU COMPUTER DATA LINES SYSTEMS CXPI GRN WIRE LEFT REAR COMBINATION LIGHT ASSEMBLY MAIN BODY ECU PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLU WIRE PPL/BRN WIRE PPL/GRN WIRE PPL/VIO WIRE RADIO SETTING CONDENSER RED WIRE RIGHT END OF DASH) RIGHT REAR COMBINATION LIGHT ASSEMBLY SEMICONDUCTOR POWER INTEGRATION ECU SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) STOP STP 1 TAIL TAIL RELAY TRANSMISSION CONTROL ECU ASSEMBLY TRN+ TURN VIO WIRE WHT WIRE WHT/BLK WIRE

BATTERY BLK WIRE BRN WIRE CANISTER PUMP MODULE COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY DATA LINK CONNECTOR DIFFERENTIAL LOCK INDICATOR SWITCH ELECTRIC WATER PUMP ASSEMBLY FUEL PUMP CONTROL ECU IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 IGNITION COIL ASSEMBLY 5 IGNITION COIL ASSEMBLY 6 INSTRUMENT PANEL REGISTER ASSEMBLY 1 INSTRUMENT PANEL REGISTER ASSEMBLY 3 INTEGRATION CONTROL ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY MAP LIGHT ASSEMBLY MULTI- DISPLAY ASSEMBLY MULTI-MEDIA MODULE RECEIVER ASSEMBLY POWER WINDOW MASTER SWITCH W/ BEZEL ASSEMBLY PPL PPL/BLU WIRE PPL/GRN WIRE PPL/LT GRN WIRE PPL/RED WIRE PPL/WHT WIRE RED WIRE REFRESHING SEAT SWITCH RIGHT END OF DASH) RIGHT FRONT POWER WINDOW SWITCH W/ BEZEL ASSEMBLY SEAT MEMORY SWITCH TRANSFER ASSEMBLY TRANSMISSION CONTROL ECU ASSEMBLY TRIP SWITCH W/ 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

BKUP LP FUSE BLK WIRE BLU WIRE BRN WIRE CAN (+) CERTIFICATION ECU (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ECU- IGP 2 FUSE ECU-IGR 2 FUSE ENGINE ROOM R/B 1 GRN WIRE HOT AT ALL TIMES HOT W/ IGP 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED LT BLU WIRE LT GRN WIRE ORG/ WIRE P POSITION DETECTION SWITCH PARK/NEUTRAL POSITION SWITCH ASSEMBLY PLKC PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL ID PPL/BLU WIRE PPL/BRN WIRE PPL/PNK WIRE PPL/WHT WIRE RED WIRE RIGHT END OF DASH) SFTD SFTU SHIFT LOCK CONTROL UNIT ASSEMBLY SHIFT LOCK SOLENOID SHIFT POSITION INDICATOR (SHIFT LOCK CONTROL UNIT ASSEMBLY) STOP FUSE STOP LIGHT SWITCH ASSEMBLY TRANSMISSION CONTROL ECU ASSEMBLY TRANSMISSION CONTROL SWITCH (SHIFT LOCK CONTROL UNIT ASSEMBLY) TRANSMISSIONS SYSTEM VIO WIRE WHT WIRE