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

BLU WIRE GRY WIRE HEATER CONTROL ASSEMBLY IN STEERING HEATER INTEGRATION CONTROL, PANEL ASSEMBLY LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LT GRN WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) STRG HTR FUSE SPIRAL CABLE (IN STEERING COLUMN) STEERING HEATER STEERING WHEEL HEATER CONTROL ASSEMBLY WHT/BLK WIRE

1 2 3 4 5 6 7 8 M- M+ 10 6 5 VT TSEN AUTO AUTO IND BLK WIRE BLU WIRE CAN I/F CANH CANL 28 29 COMPUTER DATA LINES SYSTEM COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B 3 FUSE ELECTRIC PARKING BRAKE SWITCH ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) EPB GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSIBLE LINK EPB FUSE BLOCK (LEFT REAR OF LUGGAGE COMPT) HOT AT ALL TIMES LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) HOT W/ IG AUTO PNK WIRE ILL ILL IND LED DRIVER LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LOCK LPA TX +B MPX-B FUSE NCA WIRE PARKING BRAKE ACTUATOR (LEFT REAR OF LUGGAGE COMPT) PARKING BRAKE ECU (LEFT SIDE OF LUGGAGE COMPT) PARKING LIGHT SWITCH ASSEMBLY PNK WIRE RED WIRE RELEASE RR ECU-IG FUSE TELLTALES TGND TGND 1 2 VIO WIRE VT TSEN WHT WIRE WHT/BLK WIRE 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

1 2 3 4 5 6 7 8 9 10 11 12 PNK IG WIRE 13 14 CANL CANH 30 16 2 BECU 31 32 ALTB IG 5 15 LIN BLK WIRE BLU WIRE BRN WIRE CAN I/F CLOSE CLS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DOWN ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HOT AT ALL TIMES I/F LED DRIVER ILLB LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY SWITCH (LEFT FRONT "B" PILLAR) LH J/B-B FUSE LH-IG FUSE LILL LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MAP LIGHT ASSEMBLY MPX-B FUSE OPN PNK WIRE RED WIRE RELAY ENERGIZED S/ROOF FUSE SLIDING ROOF CONTROL SWITCH SLIDING ROOF SWITCH SPEAKER TELLTALES UP CLS DWN OPN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+B PGND 1 2 3 4 5 6 7 8 9 10 MOR- MOR+ MOL+ MOL- 1 2 3 4 5 6 7 8 CANH CANL 29 30 COMPUTER DATA LINES SYSTEM 5 39 PBSW COMPUTER DATA LINES SYSTEM 17 18 40 BLK WIRE BLU WIRE CAN I/F CANH CANL 28 29 30 COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU (LEFT END OF DASH) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HOT AT ALL TIMES LUGGAGE PSB FUSE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) HOT IN ON OR START RIGHT COWL COWL SIDE J/B RH ECU IG FUSE (RIGHT END OF DASH) JUNCTION CONNECTOR LEFT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF LEFT "B" PILLAR) LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (CENTER OF FRONT FASCIA) PRE-COLLISION SYSTEM CANCEL SWITCH ASSEMBLY RED WIRE RIGHT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF RIGHT "B" PILLAR) SEAT BELT CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CB+ CGND COMPUTER DATA LINES SYSTEM CURT CV+ ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES ILL LIGHTS SYSTEM INTERIOR LINES SYSTEM COMPUTER DATA LT BLU WIRE LT GRN WIRE MCI- MCO- MCVD MI+ MO- MUTE PNK WIRE REAR TELEVISION CAMERA (CENTER REAR OF LUGGAGE COMPT LID) RED WIRE REMOTE OPERATION SWITCH SGND SHIELD TV FUSE USB USBG USBV VMTI VOR- VOT+ W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WUI WUO YEL WIRE

ALT BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ENERGIZED LEFT COWL SIDE J/B LH IG (LEFT FUSE END OF DASH) ENGINE ROOM J/B 1 ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROL SWITCH GNDA (-) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGCT RELAY ENERGIZED IGCT 5 FUSE INTEGRATION RELAY LH J/B-B FUSE MAIN BODY ECU MPX-B FUSE P/I DC/DC FUSE PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) REAR CONTROL SWITCH REAR ECU SUNSHADE SWITCH REAR SUNSHADE RELAY (REAR WINDOW SHADE ASSEMBLY) (UNDER REAR PARCEL SHELF) REAR SUNSHADE SWITCH ASSEMBLY RED WIRE REV RSSH RSW SHAD SHIFT LEVER POSITION SENSOR (TRANSMISSION) WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM CONTROL ECU (RIGHT END OF DASH) FUSE GRN WIRE HOT AT ALL TIMES ID CODE BOX (CENTER OF DASH) IGE J/C LEFT COWL SIDE J/B (LEFT END OF DASH) PNK LIN 1 WIRE PNK LIN WIRE PNK PNK PNK PNK 14 13 15 12 WIRE PNK WIRE POWER MANAGEMENT RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) SL/R SLP STEERING LOCK ACTUATOR (ON STEERING COLUMN) STRG LOCK FUSE WHT WIRE WHT/BLK WIRE

-SR -SL +SR +SL ABFS AIR BAG FUSE AIR BAG SENSOR ASSEMBLY (UNDER REAR OF CENTER FLOOR CONSOLE) BBL+ BCL+ BDL- BLK WIRE BLU WIRE BUCKLE SWITCH CANL PAON COMPUTER DATA LINES SYSTEM DK DK GRN WIRE GSW LBE+ LSP+ BBL+ BBL- LBE- LSP- LEFT COWL SIDE J/B (LEFT END OF DASH) MAIN BODY ECU LEFT CURTAIN SHIELD AIR BAG ASSEMBLY (NEAR TOP OF LEFT "B" PILLAR) LEFT FRONT SEAT AIR BAG ASSEMBLY LEFT FRONT SEAT INNER BELT (UNDER DRIVER'S SEAT) LEFT REAR AIR BAG SENSOR (UNDER LEFT REAR SEAT) LEFT REAR SIDE AIR BAG SQUIB (OUTER SIDE OF LEFT REAR SEAT) LEFT SIDE AIR BAG SENSOR (IN LEFT "B" PILLAR) P- P+ D+ D- P-AB GSW PK+ PK- PNK WIRE RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SEAT POSITION AIR BAG SENSOR SFL- SRL- WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM FUSE GREEN GRY WIRE HOT AT ALL TIMES LED DRIVER LT BLU WIRE LT GRN WIRE MACC MAP LIGHT ASSEMBLY MCO- PNK WIRE RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RRID SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) SOS MICROPHONE SWITCH TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE