Lexus GS IV (2011-2015) (left center of dash) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 SMBL SMBR 31 32 ALTB IG 4 2 FRCY FLCY 6 29 RCTY HEAD BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) DISPLAY DRIVER ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRY WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT LEVELING, SWIVEL MOTOR HEADLIGHT SWIVEL ECU ASSEMBLY (BEHIND LEFT KICK PANEL) HEADLIGHT SWIVEL MAIN SWITCH HOT AT ALL TIMES INIT INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LCTY LED DRIVER LEFT COWL SIDE J/B LEFT HEADLIGHT ASSEMBLY LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (LEFT REAR WHEELWELL) LH E LH ECU-IG FUSE LH J/B-B FUSE LH-IG FUSE LHM+ LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE LVL MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE MSW OFF AUTO TAIL HEAD PNK RH+ CANH CANL IGS IG COMPUTER DATA LINES SYSTEM WIRE PNK WIRE RED WIRE RELAY ENERGIZED RH E RHM + RIGHT HEADLIGHT ASSEMBLY SBR SHRL PNK WIRE SGR SMBL SMBR SMGL SMGR SML SML LH+ SMR TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

24 25 PNK WIRE 8 5 BL BACKUP BACKUP FUSE BACKUP RELAY BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) HOT W/ IGCT RELAY ENERGIZED IGCT 5 FUSE LEFT "C" PILLAR) LEFT REAR LIGHT ASSEMBLY LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE RIGHT REAR LIGHT ASSEMBLY RLY 1 RELAY ENERGIZED SHIFT LEVER POSITION SENSOR (TRANSMISSION) WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE CCS HITP GND NAVIGATION SYSTEM COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (LEFT END OF DASH) EFI MAIN FUSE EFI MAIN RELAY 1 EFI MAIN RELAY 2 ENERGIZED LUGGAGE ROOM J/B 1 (LEFT SIDE OF FUSE LUGGAGE COMPT) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) F/PMP FUSE FUEL PUMP CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IGB J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (CENTER OF FRONT FASCIA) NETWORK GATEWAY ECU (RIGHT CENTER OF DASH) PBSW SPSW PNK WIRE PRE-COLLISION SYSTEM CANCEL SWITCH RED WIRE RELAY ENERGIZED SGND STP+ VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/ WASH CCHG WASHER SYSTEM WIPER/ WASHER WNKR WNKL SYSTEM YEL WIRE

12 25 2 46 1 CANP CANN +B MREL BATT 24 25 PNK WIRE 4 1 MREL ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH CRUISE CONTROL SWITCH ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES J/C LEFT COWL SIDE J/B LT GRN WIRE M+ M- VCTA MODE NCA WIRE ON-OFF +RES -SET PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE RIGHT COWL SIDE PANEL J/B (RIGHT END OF DASH) RIGHT STEERING PAD SWITCH DISTANCE CONTROL SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) THROTTLE BODY W/ MOTOR ASSEMBLY (TOP REAR OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 11 10 16 15 GND RL+ RL- FR+ FR- PNK WIRE 16 15 11 10 FL+ FL- RR+ RR- 8 9 CANL CANH BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HOT AT ALL TIMES IGCT 5 FUSE IGCT IGCT 1 RELAY FUSE J/C LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL ASSEMBLY) LT GRN WIRE NCA WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL ASSEMBLY) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3 2 1 SGB SGG SGFL ABSORBER CONTROL ECU (RIGHT SIDE OF DASH) AVS FUSE BLK WIRE BLU WIRE BRN WIRE CAN I/F CANH CANL 28 29 COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER DISPLAY E FR E RL E RR ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) END OF DASH) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FAL+ FBL- FAL- FBL+ 2 4 5 1 FBR+ FBR- FAR+ FAR- 1 4 2 5 FRONT ACCELERATION SENSOR (BEHIND LEFT GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START LED DRIVER LEFT "C" PILLAR) LEFT FRONT ABSORBER CONTROL ACTUATOR (RIGHT FRONT SHOCK TOWER) LEFT REAR ABSORBER CONTROL ACTUATOR (LEFT REAR SHOCK TOWER) LT BLU WIRE LT GRN WIRE MPX-B FUSE NORMAL PNK WIRE RAL+ RAR+ RBL- RBR- REAR ACCELERATION SENSOR (RIGHT SIDE OF LUGGAGE COMPT) RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT ABSORBER CONTROL ACTUATOR (RIGHT FRONT SHOCK TOWER) RIGHT REAR ABSORBER CONTROL ACTUATOR (RIGHT REAR SHOCK TOWER) SGFL SGND SGRR SGV SPCN SPORT SPSW TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 CANH CANL 12 10 9 HFL LJB HAZ BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF FLASHER CIRCUIT GAUGE FUSE ENGINE COMPT) GRN WIRE GRY WIRE HAZ FUSE OF DASH) HAZARD SWITCH MULTI-MEDIA MODULE RECEIVER ASSEMBLY HAZM HOT AT ALL TIMES HZSW LEFT COWL SIDE J/B (LEFT END LEFT TURN IND LT BLU WIRE LT GRN WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT TURN IND SPEAKER TAIL TRNL TRNR VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVE GRN WIRE GRY WIRE IGE J/C LED DRIVER LIN LT BLU WIRE LT GRN WIRE PNK PNK WIRE PNK WIRE RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) SL/R SLP SPDI SPEAKERS STEERING LOCK ACTUATOR ASSEMBLY (ON STEERING COLUMN) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DRLL ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ALT ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FFG DRL HLHS TAIL FFGL FFGR FUSE GAUGE FUSE GNDA (-) GNDB DRLR TLP HLHR GRN WIRE GRY WIRE H-LP LO RELAY HLHL HOT AT ALL TIMES INTEGRATION RELAY LED DRIVER LEFT HEADLIGHT ASSEMBLY LO HI LH-LO H-LP FUSE LT GRN WIRE P/I DC/DC RED WIRE RELAY ENERGIZED RH-LO H-LP FUSE RIGHT HEADLIGHT ASSEMBLY LO HI SPEAKER TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

31 32 ALTB IG 4 2 FRCY FLCY 6 29 RCTY HEAD BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 DISPLAY DRIVER ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT LEVELING MOTOR HEADLIGHT SWIVEL ECU ASSEMBLY (BEHIND LEFT KICK PANEL) HOT AT ALL TIMES INIT INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LCTY LED DRIVER LEFT COWL SIDE J/B LH - LH E LH ECU-IG FUSE LH J/B-B FUSE LH-IG FUSE LHM+ LHT RHT LIGHT CONTROL SWITCH LT GRN WIRE LVL MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE OFF AUTO TAIL HEAD PNK RH+ CANH CANL IGS IG COMPUTER DATA LINES SYSTEM WIRE PNK WIRE RED WIRE RELAY ENERGIZED RH E RHM + RIGHT HEADLIGHT ASSEMBLY SBR SHRL PNK WIRE SGR SMGL SMGR TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE