Lexus GS III facelift (2007-2011) red/blu Wiring diagrams

+BM 2 16 7 8 9 10 13 14 15 5 21 B+ 7 1 3 8 13 20 21 22 23 24 28 29 16 17 12 BATT BATT M- M+ VTA BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE ENGINE ROOM ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT W/ LH-IG 1 RELAY ENERGIZED JUNCTION JUNCTION CONNECTOR LEFT COWL SIDE J/B LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MREL IGSW STP EPA NCA WIRE ORG/ WIRE PNK VCPA SPD WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT COWL SIDE J/B (AT RIGHT KICK PANEL) SFTD SFTU CAN- CAN+ STOP LAMP SWITCH (ON BREAK PEDEL BRACKET) THROTTLE BODY ASSEMBLY (TOP OF ENGINE) VCAT ETA VIO WIRE VIO/WHT WIRE VPA LGND CCHG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE CIRCUIT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE IND GRN WIRE GRN/RED WIRE GRN/YEL 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 JUNCTION LCD (MULTI) LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (ON TRANSMISSION) PNK WIRE POWER SUPPLY RED WIRE RED/BLK WIRE RED/BLU 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 TRANSMISSION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRN WIRE DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) GND IGB GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT W/ LH-IG 1 RELAY ENERGIZED LH ECU-IG FUSE J/C LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LGND LRDD LRDD LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (CENTER FRONT OF ENGINE COMPT) MODE ON OFF ORG/ WIRE PNK CANC WIRE PNK WIRE R/N RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) SGND SPIRAL CABLE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+B COMPUTER DATA LINES SYSTEM 2 5 6 8 GND PNK WIRE 4 18 19 +BS 43 42 COMPUTER DATA LINES SYSTEM CANH CANL BLK WIRE BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE BRN/BLK WIRE CAIH CAIL CLEARANCE SONAR IND IG+ CLEARANCE SONAR SWITCH CLEARANCE WARNING ECU (BEHIND RIGHT END OF DASH) COMBINATION METER COMPUTER (BEHIND DATA LINES LEFT KICK SYSTEM PANEL) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DOME FUSE ECU-B FUSE ES MULTI- INFORMATION DISPLAY 25 5 MPX+ MPX- COMPUTER DATA LINES SYSTEM GATEWAY ECU (BEHIND RIGHT END OF DASH) GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR START HOT W/ LH-IG RELAY 1 ENERGIZED HOT W/ RH-IG RELAY 1 ENERGIZED HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) IG CBZ LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LEFT FRONT CENTER ULTRASONIC SENSOR (BEHIND LEFT CENTER OF FRONT FASCIA) LEFT REAR CENTER ULTRASONIC SENSOR (BEHIND LEFT CENTER OF REAR FASCIA) LH-IG FUSE LT BLU WIRE LT GRN WIRE LT PNK WIRE MASTER IND OF DASH) CLEARANCE WARNING BUZZER ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PARKING BRAKE SWITCH PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RH-IG FUSE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) VIO WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

45 43 CAN+ CANH 85 108 54 82 105 84 107 REQ- REQ+ SPDI HTM- HTM+ CLK- CLK+ ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPT) COMPUTER DATA LINES SYSTEM EFIO ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE GAUGE FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) IGN FUSE HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) IGCT 1 FUSE IGCT 2 FUSE IGCT MAIN RELAY IMI LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PMET RED WIRE RED/BLK WIRE RED/BLU WIRE RH-IG FUSE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) SFTD SFTU SFTU SFTD VPA STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) STOP SW FUSE STP IGSW BATT HSDN MREL MTH- MTH+ ILKI TRANSMISSION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

+B DSVR ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) AIR CONDITIONING SYSTEM COMPUTER DATA LINES SYSTEM AMBIENT TEMPERATURE SENSOR (BEHIND LEFT SIDE OF FRONT FASCIA) BATTERY THERMOMETER SENSOR (LEFT FRONT OF LUGGAGE COMPT) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CANH TAM CCV COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DRNS EC CANL ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FPR FC FRI FUEL LID COURTESY SWITCH FUEL VAPOR- CONTAINMENT VALVE (UNDER LEFT REAR OF VEHICLE) GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IGSW MREL IREL RDEF TACH MPMP VPMP LIDO FUEL BATT CAN- CAN+ INVERTER LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) BODY ECU LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PTNK PPMP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELIEF VLV FUSE RELIEF VLV RELAY RFC RFRL VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+BWP ANTI-THEFT SYSTEM BATT MREL BATTERY BLOWER MOTOR (CENTER FRONT OF LUGGAGE COMPT, AT TOP OF HYBRID BATTERY) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CCHG COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) GI NEI SPDI NODD GRN WIRE GRY WIRE HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) IGCT FUSE IGCT RELAY ILKI SMRB CANL CANH CAN- CAN+ +B SFTD SFTU IMI IMO CCS INV W/P FUSE INV W/P RELAY J/C LT BLU WIRE LT GRN WIRE OHG OHU OHV OHW OIGH OIL PMP FUSE OIL PUMP MOTOR CONTROLLER (RIGHT FRONT CORNER OF ENGINE COMPT) OPST ORG/ WIRE RED WIRE RED/BLU WIRE SENSOR SIO STARTING/CHARGING SYSTEM SWP VIO WIRE VIO/WHT WIRE WATER PUMP MOTOR (INVERTER) (LEFT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

ACCR STA TC BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE C/OPN RELAY CAN (-) CAN (+) CANL CANH COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM EFI 2 RELAY EFI FUSE EFI MAIN RELAY EFII EFIO ENGINE COMPT) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE OIL LEVEL SENSOR (LEFT REAR OF ENGINE) ENGINE ROOM J/B 2 (LEFT SIDE OF F/PMP FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED ID CODE BOX (BEHIND CENTER OF DASH) IGN FUSE INJ FUSE INJ RELAY LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MOPS RFC EPA NCA WIRE NSW IMO IMI ORG/ WIRE PNK VCPA SPD KSW MOL STSW WIRE PNK WIRE PNK/BLU WIRE RDEF REAR OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM COMPUTER DATA LINES SYSTEM STARTING/CHARGING SYSTEM TACH VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

+BM 38 39 PNK WIRE A/F FUSE A/F RELAY BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COOLING FAN ECU CRANKSHAFT POSITION SENSOR (LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE FUSE F/PMP RELAY GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES INJ 2 RELAY INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MASS AIR FLOW METER (ON RIGHT SIDE OF ENGINE COMPT, IN AIR INTAKE DUCT) MPMP NCA WIRE NE+ PNK WIRE PNK/BLU WIRE PPMP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE THA VIO WIRE VPMP VSV (PURGE) (LEFT REAR OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

38 39 PNK WIRE BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CANISTER PRESSURE SENSOR CANISTER PUMP MODULE (REAR OF VEHICLE CHASSIS) DETECTION ENGINE COOLANT TEMPERATURE SENSOR (ON TOP RIGHT SIDE OF ENGINE) FUEL PRESSURE SENSOR (TOP OF ENGINE) GRN WIRE GRN/WHT WIRE LEAK LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PNK WIRE PNK/BLU WIRE PUMP RED WIRE RED/BLK WIRE RED/BLU WIRE THROTTLE BODY ASSEMBLY (TOP OF ENGINE) VALVE VENT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE