Lexus GS III facelift (2007-2011) left center j/b (behind left side of dash) Wiring diagrams

2 3 ILL- A/C FUSE BLK WIRE BLLH BLRH BLU WIRE BRN WIRE CTB FCTB FR S/HTR LH FUSE GRN WIRE GRY WIRE HEATER 1 HEATER 2 SEAT BACK HOT AT ALL TIMES ILL BODY ECU LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT SEAT HEATER (IN DRIVER'S SEAT CUSHION) LT BLU WIRE LT GRN WIRE ORG/ WIRE PANEL FUSE PNK WIRE RED WIRE RELAY RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SEAT CLIMATE CONTROL BLOWER (LEFT FRONT SEAT BACK) (IN DRIVER'S SEAT BACK) SEAT CLIMATE CONTROL BLOWER (LEFT FRONT SEAT CUSHION) (UNDER DRIVER'S SEAT) SEAT CUSHION) SEAT HEATER CONTROL SEAT HEATER SWITCH SIGN SVSG SW PNK WIRE SWL TAIL RELAY THL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CIRCUIT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE IND GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM MPX-B FUSE R/B 1 (RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) STOP SW FUSE HOT W/ RH-IG 1 RELAY ENERGIZED IGN FUSE INPUT CIRCUIT J/C JUNCTION LCD (MULTI) LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX ON OFF ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (ON TRANSMISSION) PNK WIRE POWER SUPPLY RED WIRE RED/BLK WIRE RELAY ENERGIZED RELAY ENERGIZED RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE RH-IG FUSE RIGHT CENTER J/B (BEHIND RIGHT RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SIDE OF DASH) SPEEDOMETER SPIRAL CABLE TRANSMISSION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 3 PNK WIRE 26 8 9 MSWE PNK WIRE BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR ECU (IN DRIVER'S DOOR) DRIVER'S SEAT MEMORY SWITCH ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MPX-B FUSE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER WINDOW MASTER SWITCH RED WIRE RELAY RH ECU-IG FUSE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SET- VIO WIRE WHT WIRE WHT/BLK WIRE

25 24 24 14 13 30 CANH CANL SPD 26 18 14 5 MOL MOPS 3.5L A/C MPX+ AMPLIFIER (BEHIND CENTER MPX- RIGHT OF DASH) AIR BAG SENSOR ASSEMBLY CENTER (UNDER CENTER FLOOR CONSOLE) BLK WIRE BLU WIRE BRN WIRE DISP FUEL SENDER GAUGE FUEL SUCTION PUMP, GAUGE ASSEMBLY GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRY WIRE GRY/BLU (OR GRN/RED) WIRE GRY/BLU WIRE LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MULTI-DISPLAY ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY PBEW PHS PHSG PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) ST-PLUG STEREO COMPONENT AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) SUN BEAM SENSOR (NEAR CENTER STOPLIGHT) BRAKE FLUID LEVEL WARNING SWITCH (3.5L) TACH TIRE PRESSURE WARNING ECU (BEHIND CENTER OF DASH) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

17 10 4.6L 3.5L 4.6L 3.5L 18 11 BBI+ BBI+ SLED BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE GPS ANTENNA GRN WIRE GRY WIRE GSW MCO+ MCO- SG HOT AT ALL TIMES ENGINE ROOM R/B 1 ECU-B FUSE (RIGHT REAR OF ENGINE COMPT) HOT IN ON OR ACC HOT IN ON OR START IGN FUSE LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEXUS LINK SWITCH LT BLU WIRE LT GRN WIRE MAYDAY ECU (CENTER REAR OF LUGGAGE COMPT) MCVD MCI+ MCI- SPI+ SPI- MIC - MICROPHONE MII+ NCA WIRE ORG/ WIRE OVERHEAD J/B (IN OVERHEAD CONSOLE) PNK HFOF MUTE WIRE PNK WFSE SIL WIRE PNK WIRE RED WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT TWEETER SIG SIGI SLED STEREO COMPONENT AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) TELEPHONE ANTENNA TMUT TWR- TWR+ VIO WIRE W/O MARK LEVINSON W/ MARK LEVINSON WHT WIRE WHT/BLK WIRE YEL WIRE

1 10 MV M+ 2 5 8 GND PNK WIRE 3.5L 4.6L 6 4 3 8 9 1 BDR CPUB SIG 6 5 13 14 VSSL VC HSSL 6 5 13 14 VSSR VC HSSR 8 3 2 MM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CERTIFICATION ECU COMBINATION METER (RIGHT REAR CORNER OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE EC+ ECU-B FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR ECU (IN DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR (FRONT OF LEFT FRONT DOOR) LEFT/RIGHT LH FR DOOR FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE MIRROR HEATER MIRROR HEATER LEFT REAR DOOR ECU (IN LEFT REAR DOOR) MIRROR POSITION SENSOR MPX MPX-B FUSE MSWE MV M+ ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY (IN RIGHT FRONT DOOR) COMPUTER DATA LINES SYSTEM PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK PNK 11 12 WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER WINDOW MASTER SWITCH REAR DOOR) RED WIRE RELAY RETRACTABLE MIRROR MOTOR RH FR DOOR FUSE RH-IG FUSE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT DOOR ECU (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR (FRONT OF RIGHT FRONT DOOR) RIGHT REAR DOOR ECU (IN RIGHT SELE- SET- UP/DOWN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

25 24 CANH CANL 4.6L 3.5L BACK BLK WIRE BLU WIRE BODY ECU BRN WIRE CB+ CGND COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM CV+ ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/BLU WIRE HILL HOT AT ALL TIMES ILL- ILL+ REV SPD CMP- CMP+ SLD HREO SEUC AIR PBEW INT- IVO- IVO+ SLD LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT GRN WIRE MACC MIN- MIN+ SGND CA+ CGND MULTI-DISPLAY NCA WIRE ORG/ WIRE PKB HFOF PNK WIRE PNK WIRE RED WIRE RELAY STEREO COMPONENT AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) SUPPLEMENTAL RESTRAINTS SYSTEM INSTRUMENT CLUSTER SYSTEM TC HAZ ARON TELEVISION CAMERA (RIGHT SIDE OF LUGGAGE COMPT) TSW TV FUSE V+ V- VIO WIRE W/O MARK LEVINSON W/ MARK LEVINSON WHT WIRE WHT/BLK WIRE YEL WIRE

6 21 5 4 14 13 17 18 GTX+ GTX- BLK WIRE BLU WIRE BODY ECU BRN WIRE CMP COMPUTER DATA LINES SYSTEM ECU-IG RH FUSE FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HFOF HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B LT BLU WIRE LT GRN WIRE MAYDAY ECU (CENTER REAR OF LUGGAGE COMPT) MCI- MCO- MCVD MIC - MICROPHONE NCA WIRE NTSC ORG/ WIRE OVERHEAD J/B (IN OVERHEAD CONSOLE) PARKING BRAKE SWITCH (BEHIND LEFT PKB IND PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE RELAY RIGHT CENTER J/B RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SIDE OF DASH) SLD SOUND SYSTEMS TXM- VIO WIRE W/ DVD CHANGER W/ MAYDAY SYSTEM W/ MAYDAY SYSTEM W/O MAYDAY SYSTEM W/O MAYDAY SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 TX- TX+ MSLD MIC- MIC+ GND ADET +B 1 2 3 4 5 6 W+ 12 13 14 15 16 CMP- CMP+ BLK WIRE BLU WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DISPLAY ENGINE COMPT) GAUGE FUSE GPS ANTENNA GRN/RED WIRE GRY WIRE GVIF HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) MPX-B FUSE IVI- IVI+ LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MULTI-DISPLAY MULTI-INFORMATION MULTI-MEDIA MODULE NAVIGATION ASSEMBLY NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RELAY ENERGIZED REV SPD RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SKID CONTROL ECU SKID CONTROL ECU W/ ACTUATOR (LEFT REAR OF (4.6L) (3.5L) VIO WIRE VIO/YEL WIRE W/ DVD CHANGER WHT WIRE WHT/BLK WIRE WHT/RED WIRE

25 24 CANH CANL 25 5 20 29 MULTI- DISPLAY INFORMATION 3.5L 4.6L 4.6L 3.5L 6 21 17 18 4 13 3 12 5 14 GTX+ GTX- B+ GND BLK WIRE BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE BRN/BLK WIRE CLEARANCE SOLAR IND COMPUTER DATA LINES SYSTEM ECU-B FUSE ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) COMBINATION METER GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT CENTER ULTRASONIC SENSOR (BEHIND LEFT CENTER OF FRONT FASCIA) LEFT FRONT CORNER ULTRASONIC SENSOR (BEHIND LEFT SIDE OF FRONT FASCIA) LH-IG FUSE LT BLU WIRE LT GRN WIRE MASTER IND MPX-B FUSE DOME FUSE NAVIGATION CIRCUIT OUTER MIRROR SWITCH ASSEMBLY PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK WIRE PNK/BLK WIRE RED WIRE RED/GRN WIRE RELAY RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) SONAR SWITCH CLEARANCE VIO WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE