Lexus GX J310 (2023-2024) transmission control ecu assembly Wiring diagrams

4 WHEEL DRIVE CONTROL ECU BLK WIRE BLU WIRE CDL+ COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIFFERENTIAL LOCK INDICATOR SWITCH ENGINE ROOM RELAY BLOCK ASSEMBLY 2 GRN WIRE HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 4 RELAY ENERGIZED IGR LT GRN WIRE METER-IGR FUSE PNK CANH WIRE PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY REAR DIFFERENTIAL LOCK SOLENOID (REAR DIFFERENTIAL CARRIER ASSEMBLY) RED WIRE RIGHT END OF DASH) SL- SLS+ TRANSFER POSITION SWITCH TRANSFER SHIFT ACTUATOR ASSEMBLY (LEFT REAR OF TRANSMISSION) TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

4 WHEEL DRIVE CONTROL ECU BLK WIRE BLU WIRE BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM GRN WIRE IGP NTB NTO NTOE O/T PARK/NEUTRAL POSITION SWITCH ASSEMBLY PLKC PNK SLT+ WIRE PNK WIRE RED WIRE SHIFT LOCK CONTROL ECU (SHIFT LOCK CONTROL UNIT ASSEMBLY) SL PNK SR WIRE SLT- SLU+ THOC TRANSMISSION CONTROL ECU ASSEMBLY TRANSMISSION WIRE (AUTOMATIC TRANSAXLE ASSEMBLY) VIO WIRE WHT WIRE WHT/BLK WIRE

BKUP LP FUSE BLK WIRE BLU WIRE ENGINE ROOM RELAY BLOCK ASSEMBLY 1 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGR 2 RELAY ENERGIZED KE (RIGHT "D" PILLAR) LEFT REAR COMBINATION LIGHT LENS, BODY LT GRN WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY PARKING ASSIST ECU PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE REV REVD RIGHT END OF DASH) RIGHT REAR COMBINATION LIGHT LENS, BODY SHIFT POSITION INDICATOR TOW BK/UP FUSE TOWING BK/UP RELAY TRAILER SOCKET TRANSMISSION CONTROL ECU ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRAKE CONTROL RELAY W/ BRACKET BRN WIRE CACH CACL CAN (+) CANN CANP COMBINATION METER ASSEMBLY DRIVER MONITOR ECU ASSEMBLY ET+ ETH (-) GRN WIRE GRY WIRE LT BLU WIRE LT GRN WIRE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) MOBILE WIRELESS CHARGER CRADLE ASSEMBLY MULTIPLEX NETWORK DOOR ECU ORG/ WIRE PNK WIRE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RIGHT END OF DASH) TELEMATICS TRANSCEIVER TRANSMISSION CONTROL ECU ASSEMBLY WHT WIRE

BLK WIRE BLU WIRE CENTER STOP LIGHT ASSEMBLY CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) COMPUTER DATA LINES SYSTEMS DIODE (STOP LIGHT) ECU- IGP 2 FUSE ENGINE ROOM RELAY BLOCK ASSEMBLY 1 GRN WIRE HOT W/ IGP 1 RELAY ENERGIZED LT GRN WIRE OUT PNK WIRE RADIO SETTING CONDENSER RED WIRE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) TOWING CONVERTER RELAY TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

4 WHEEL DRIVE CONTROL ECU BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) IGNITION COIL ASSEMBLY 1 IGNITION COIL ASSEMBLY 2 IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 IGNITION COIL ASSEMBLY 5 IGNITION COIL ASSEMBLY 6 LEVEL WARNING SWITCH ASSEMBLY MILLIMETER WAVE RADAR SENSOR ASSEMBLY PPL SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) STOP LIGHT SWITCH ASSEMBLY TRANSFER SHIFT ACTUATOR ASSEMBLY TRANSMISSION CONTROL ECU ASSEMBLY VACUUM WARNING SWITCH ASSEMBLY WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY

4 WHEEL DRIVE CONTROL ECU A/C RR FUSE A/F FUSE A/F RELAY ABS 1 FUSE ABS 2 FUSE BLK WIRE BLOWER MOTOR CONTROL (REAR COOLING UNIT ASSEMBLY) BLU WIRE BRAKE CONTROL RELAY W/ BRACKET CDS FAN FUSE CDS FAN RELAY DEICER FUSE DEICER RELAY ECT-B FUSE ECU-B FUSE 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 RELAY BLOCK ASSEMBLY 1 ENGINE ROOM RELAY BLOCK ASSEMBLY 2 ETCS FUSE FOLD SEAT CONTROL ECU FROM ENGINE ROOM JUNCTION BLOCK ASSEMBLY 1 (DIAGRAM 1 OF 10) FROM PBD FUSE (DIAGRAM 1 OF 10) GRN WIRE H-LP CLN FUSE HEADLIGHT CLEANER MOTOR, PUMP ASSEMBLY IGP- MAIN 2 FUSE IGR MAIN 4 FUSE IGT/INJ MAIN FUSE IGT/INJ MAIN RELAY INNER REAR VIEW MIRROR ASSEMBLY INV 1 FUSE INV 2 FUSE INV 2 RELAY INV FUSE LT BLU WIRE LT GRN WIRE MAP LIGHT ASSEMBLY MULTIPLEX NETWORK STEERING ECU (STEERING WHEEL ASSEMBLY) PFS LH FUSE PFS RH FUSE PNK WIRE PRB FUSE RED WIRE S-HORN FUSE S-HORN RELAY SIREN FUSE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) SPIRAL CABLE SUB-ASSEMBLY ST 1 FUSE ST RELAY STEERING COLUMN) STRG-ECU FUSE TO ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 10 OF 10) TO ENGINE ROOM RELAY BLOCK ASSEMBLY 2 (DIAGRAM 4 OF 10) TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 6 OF 10) TOWING BK/UP RELAY TOWING BKUP FUSE TOWING BRK FUSE TOWING TAIL FUSE TOWING TAIL RELAY TRANSMISSION CONTROL ECU ASSEMBLY W/ DIGITAL REAR VIEW MIRROR W/O DIGITAL REAR VIEW MIRROR WHT WIRE

4 WHEEL DRIVE CONTROL ECU BLK WIRE BRAKE CONTROL RELAY W/ BRACKET ECT-IGP FUSE ECU- IGP 6 FUSE EFI- IGP FUSE ENG- IGR 4 FUSE ENG-IGR 2 FUSE ENG-IGR 3 FUSE ENGINE ROOM RELAY BLOCK ASSEMBLY 2 FROM ENGINE ROOM RELAY BLOCK ASSEMBLY 2 (DIAGRAM 3 OF 10) FROM POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 9 OF 10) GRN WIRE GRY WIRE H-LP CLN RELAY IGP 2 RELAY IGR 4 RELAY LEFT HEADLIGHT ASSEMBLY LEFT SEAT HEATER CONTROL SUB-ASSEMBLY PNK WIRE PPL/WHT WIRE RED WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY S/HTR R/L FUSE S/HTR RR FUSE TO ENGINE ROOM RELAY BLOCK ASSEMBLY 1 (DIAGRAM 2 OF 10) TOWING- IGR FUSE TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

AQ (LEFT END OF DASH) BKUP LP FUSE BLK WIRE BLU WIRE CAN (+) CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) COMPUTER DATA LINES SYSTEM ECU- IGP 1 FUSE ECU-IGR 2 FUSE ENGINE ROOM RELAY BLOCK ASSEMBLY 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 PARK/NEUTRAL POSITION SWITCH ASSEMBLY PLKC POWER DISTRIBUTION BOX ASSEMBLY PWR RED WIRE RIGHT END OF DASH) SFTD SFTU SHIFT LOCK CONTROL ECU (SHIFT LOCK CONTROL UNIT ASSEMBLY) 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) VIO WIRE WHT WIRE WHT/BLK WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLU WIRE BRAKE CONTROL RELAY W/ BRACKET (LEFT SIDE OF DASH) BRK BRN WIRE COMPUTER DATA LINES SYSTEM CXPI ENGINE ROOM RELAY BLOCK ASSEMBLY 1 GA- GA- PNK SRF WIRE GRN WIRE HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED LT GRN WIRE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) METER-IGR FUSE OUT PARK/NEUTRAL POSITION SWITCH ASSEMBLY PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY RED WIRE RIGHT END OF DASH) SPRT SRF SRR+ STOP LIGHT SWITCH ASSEMBLY TAIL PNK GA+ WIRE TOW BK/UP FUSE TOWING BK/UP RELAY TRAILER BRAKE CONTROL SWITCH TRANSMISSION CONTROL ECU ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE