Lexus LX J200 facelift (2012-2015) main body ecu (left end of dash) Wiring diagrams

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CLTB CLTE CLTS ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES JUNCTION CONNECTOR LEFT REAR COOLER THERMISTOR 1 (LEFT QUARTERPANEL) LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) PNK 10 11 WIRE PNK WIRE PTC 1 FUSE PTC 2 FUSE PTC HTR 1 RELAY (IF EQUIPPED) PTC HTR 2 RELAY (IF EQUIPPED) PTC HTR 3 RELAY (IF EQUIPPED) PTC-3 FUSE REAR BLOWER MOTOR (LEFT QUARTERPANEL) REAR BLOWER W/ FAN MOTOR SUB- ASSEMBLY REAR COOLING UNIT EXPANSION VALVE (LEFT QUARTERPANEL) RED WIRE RED/BLK WIRE RIGHT REAR COOLER THERMISTOR 1 (RIGHT QUARTERPANEL) SOLAR SENSOR AUTOMATIC LIGHT CONTROL SENSOR (TOP CENTER OF DASH) TSL TSR WHT WIRE WHT/BLK WIRE

2 3 BATB ACT- 8 9 10 HRLY A/C AMPLIFIER (LEFT SIDE OF DASH) ALTB TRLY AMR BCTY TRNL LSWP FFOG BLK WIRE BLU WIRE BRN WIRE DIM ACAN HEAD CLTE CLTS CLTB PCTY DOOR 1 FUSE DOOR 2 FUSE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM EXTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT, SHIFT INTERLOCK SYSTEMS DRL ECU-IG 2 FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG GSW LCTY INSTRUMENT CLUSTER SYSTEM DOOR LOCKS SYSTEM LEFT COWL SIDE J/B (LEFT END OF DASH) LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MIRRORS SYSTEM EXTERIOR LIGHTS SYSTEM MULTI-MEDIA MODULE RECEIVER SUB-ASSEMBLY NETWORK GATEWAY ECU (RIGHT SIDE OF DASH) PBDS ACCR TRNR LSWR RET RCTY DRLE PKB LSWL PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/GRN WIRE RED/WHT WIRE SHIFT INTERLOCK SYSTEM STARTING/CHARGING SYSTEM STSW SUPPLEMENTAL RESTRAINTS SYSTEM INTERIOR LIGHTS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM YEL WIRE

12 11 MPX- MPX+ 12 6 CANN CANP BLK WIRE BLU WIRE BRN WIRE CANN CANN CANP CANP CENTER AIR BAG SENSOR (CENTER OF DASH) COMBINATION METER ASSEMBLY DLC 3 (DATA LINK CONNECTOR) (LEFT SIDE OF DASH) DOOR LOCKS SYSTEM ENGINE CONTROL MODULE (ECM) (RIGHT REAR OF ENGINE COMPT) EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FSPT GRN WIRE GRY WIRE HAZ CANH CANL HEADLIGHT SWIVEL ECU (RIGHT END OF DASH) HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM POWER DISTRIBUTION SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM LEFT FRONT POWER SEAT CONTROL ECU, SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MIRB MIRS HF INDW INDS MIRE IGID FFGO ACTD MIRRORS SYSTEM MIRRORS SYSTEM POWER DISTRIBUTION SYSTEM MPX MULTIPLEX NETWORK BODY ECU 2 (RIGHT "D" PILLAR) MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) ORG/ WIRE OUTER CERTIFICATION ECU (LEFT SIDE OF DASH) MIRROR CONTROL ECU (DRIVER'S DOOR) PNK ACCD TAIL DCTY SWIL BDSU WIRE PNK WIRE POWER BACK DOOR UNIT ASSEMBLY (RIGHT "D" PILLAR) RED WIRE SHIFT INTERLOCK SYSTEM SLP SLR+ STARTING/CHARGING SYSTEM DOOR LOCKS SYSTEM STR LSWD TACH SPD TIRE PRESSURE WARNING ECU (RIGHT QUARTERPANEL) VIO WIRE WHT WIRE WINDSHIELD WIPER ECU (RIGHT END OF DASH) YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 GND SLD+ 1 2 3 4 5 6 7 8 9 10 11 12 SGND SSRS PVCC DBCL 1 21 9 8 7 6 10 CANH CANL MM 5 2 6 4 3 VCC O/P GND BACK FWD 5 3 CSNF CSNR 5 6 CANH CANL BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CUSHION SLIDE DCTY DRDC FORWARD/BACK MOTOR (DRIVER'S SEAT BACK) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES FR P/SEAT LH FUSE LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT FRONT POWER SEAT CONTROL ECU, SWITCH ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT CUSHION CONTROL MOTOR (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT LIFT POSITION MOTOR (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT LUMBAR SUPPORT LEFT FRONT POWER SEAT RECLINING POSITION MOTOR (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT SLIDE POSITION MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT VERTICAL POSITION MOTOR (UNDER DRIVER'S SEAT) LEFT FRONT SEAT MEMORY SWITCH LFT- RCL- LT BLU WIRE LT GRN WIRE LUMBAR SUPPORT LEFT FRONT POWER SEAT SWITCH ASSEMBLY MAIN BODY ECU (LEFT END OF DASH) MRY ILL+ ILL- MSWE OUTER MIRROR CONTROL ECU (DRIVER'S DOOR) PASSIVE RESTRAINTS SYSTEM PNK SLD- FRV- B+ FRV+ LFT+ RCL+ WIRE PNK WIRE RED WIRE RED/WHT WIRE SEAT VARIABLE CUSHION SWITCH SET- SYSB VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

15 8 DIM DRLE 24 6 13 21 DCTY 6 5 CANL CANH AIR CONDITIONING SYSTEM AUTOMATIC LIGHT CONTROL SENSOR (TOP CENTER OF DASH) BATB BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH DOOR 1 FUSE DRL ECU-IG 2 FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FLASH HIGH FOG SWITCH FR FOG RELAY FR OF ENGINE FOG COMPT) FUSE FUSE GRN WIRE GRY WIRE HEAD FFOG CLTE CLTS CLTB RCTY PCTY BCTY HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE HOT W/ ACC RELAY ENERGIZED LCTY LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FOG LIGHT ASSEMBLY LH J/B FUSE MAIN FUSE LIGHT CONTROL SWITCH LT 1 2 6 5 3 TSL TSR CLTB CLTS CLTE LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) OFF/ HIGH PARKING BRAKE SWITCH RED WIRE RED/GRN WIRE RELAY ENERGIZED RIGHT FOG LIGHT ASSEMBLY SOLAR SENSOR TAIL TAIL FUSE TAIL HEAD OFF AUTO TAIL HEAD OFF FLASH AUTO TAIL RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

12 6 CANN CANP 15 16 6 5 CANN CANP CANL CANH 8 7 CANL CANH ASSEMBLY (RIGHT "D" PILLAR) BLK WIRE BLU WIRE BRN WIRE CANN CANP CERTIFICATION ECU (LEFT SIDE OF DASH) GRN WIRE GRY WIRE LEFT FRONT POWER SEAT CONTROL ECU, SWITCH LEFT QUARTERPANEL) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MPX MULTIPLEX NETWORK BODY ECU 2 (RIGHT "D" PILLAR) MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) OUTER MIRROR CONTROL ECU (DRIVER'S DOOR) PNK WIRE POWER BACK DOOR UNIT RED WIRE SHORT CONNECTOR ST-PLUG SUSPENSION CONTROL ECU TIRE PRESSURE WARNING ECU (RIGHT QUARTERPANEL) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 RL FL 11 12 2 MIRB MIRS MIRE 5 6 CANH CANL 8 3 6 1 9 M+ MSW ALTB IG AMR BATB BKUP LP FUSE BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE CANL CANH COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 11 15 10 9 COMPUTER DATA LINES SYSTEM PNK WIRE DEFOGGER SYSTEM DOOR 1 FUSE DOOR 2 FUSE DOOR MIRROR) DRIVER'S DOOR EC+ EC+ EC- MR MF VC ECU-IG 2 FUSE EXTERIOR LIGHTS SYSTEM MIRRORS SYSTEM FUSE GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) HOT IN ACC OR ON HOT IN ON OR START HSSR ILL ILL ILL- INTERIOR LIGHTS SYSTEM ILL+ LEFT COWL SIDE J/B LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT SEAT MEMORY SWITCH LEFT OUTER REARVIEW MIRROR ASSEMBLY (LEFT LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MAT) MIR FUSE MIRRORS SYSTEM MLP MM MSWE MR ILL- ILL+ NCA WIRE OUTER MIRROR CONTROL ECU (DRIVER'S DOOR) OUTER MIRROR SWITCH ASSEMBLY PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PARKING ASSIST ECU (RIGHT END OF DASH) PNK 8 17 15 16 PNK LP M+R MHR MVR WIRE PNK LP M+L MHL MVL CANL RVC WIRE PNK WIRE RED WIRE RET RIGHT OUTER REAR VIEW MIRROR ASSEMBLY (RIGHT DOOR MIRROR) RR FR SCB+ SCV+ SET MRY SGND TRNR VIO WIRE VSR HSRL VSRL HSRL MLP M+ MH MV TRNL GND VSRR HSRR VSSR WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM YEL WIRE

1 21 10 6 7 8 9 CANH CANL MSWE 15 16 CANN CANP BLK WIRE BLU WIRE BRN WIRE CANN COMPUTER DATA LINES SYSTEM DCTY ECU- IG 1 FUSE GRN WIRE GRY WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE FUSE OF ENGINE COMPT) HOT IN ON OR START ILL ILL LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT FRONT SEAT MEMORY SWITCH LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MRY OUTER MIRROR CONTROL ECU (DRIVER'S DOOR) PNK WIRE RED WIRE RED/BLU WIRE SET- TELESCOPIC SHRINK TELESCOPIC STRETCH TEM+ TELESCOPIC MOTOR MULTIPLEX TILT, TELESCOPIC ECU (ON STEERING COLUMN) TES TI, TE FUSE TILT DOWN TILT SENSOR TILT MOTOR POWER TILT MOTOR (ON STEERING COLUMN) TILT UP TILT, TELESCOPIC SWITCH TIM- GND VCE TELESCOPIC SENSOR TEM- VCI TIS TIM+ WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) BCB+ BCV- BGND BLK WIRE BLSW BLU WIRE BLU/BLK WIRE BRN WIRE CB+ CV+ CLEARANCE WARNING BUZZER 1 (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CSSW ECU CHANGE- OVER SWITCH MAIN SWITCH ASSEMBLY ECU- IG 1 FUSE FRONT TELEVISION CAMERA (CENTER FRONT OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) RAD 1 FUSE HOT W/ ACC RELAY ENERGIZED LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT ULTRASONIC SENSOR 1 (LEFT CORNER OF FRONT BUMPER) LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MPOS EF BBZ IG OUTER MIRROR SWITCH ASSEMBLY PARKING ASSIST ECU (RIGHT END OF DASH) PNK WIRE RED WIRE RELAY ENERGIZED RET RIGHT ULTRASONIC SENSOR 1 (RIGHT CORNER OF FRONT BUMPER) SCB+ SGND SCV- BGND BCV- CGND CV- CANL CANH SHIELD SCV+ BCB+ BCV+ SHIELD SHIELD 11 12 13 14 SHIELD 3 4 5 6 7 8 9 SHIELD SHIELD SONAR SWITCH TX- TX+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/F RELAY A/F FUSE ACCR BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE COMPT) EFI 2 FUSE EFI 2 RELAY EFI MAIN FUSE EFI RELAY EFI- MAIN 2 FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES LT GRN/BLK WIRE MAIN BODY ECU (LEFT END OF DASH) NL DL NORM OF ENGINE COMPT) PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PATTERN SELECTOR SWITCH ASSEMBLY 1 (CENTER CONSOLE) PNK WIRE PNK/BLU WIRE PWR RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT END OF DASH) RL PL SHORT CONNECTOR (REMOTE ENGINE STARTER) STSW WHT/BLK WIRE WHT/RED WIRE