Lexus GS III facelift (2007-2011) (behind left end of dash) Wiring diagrams

5 4 6 15 FRO FLO RRO RLO BLK WIRE BLU WIRE BLU/WHT WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE ECU (RIGHT REAR OF LUGGAGE COMPT) ECU-IG LH FUSE ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENGINE ROOM R/B 1 FREE GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED LEFT LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE MASTER IND MPX MPX-B FUSE (RIGHT REAR OF ENGINE COMPT) MULTI-INFORMATION DISPLAY ORG/ WIRE PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RELAY RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SLC+ SLC+ CANL RLO FLO VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BDCY BDR BLU WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM CPUB ENGINE ROOM GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES KUL LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LEFT FRONT DOOR ECU (IN DRIVER'S DOOR) LEFT FRONT DOOR LOCK ASSEMBLY (REAR OF LEFT FRONT DOOR) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LEFT REAR DOOR LOCK ASSEMBLY (REAR OF LEFT REAR DOOR) LH FR DOOR FUSE LH IG RELAY 1 LH RR DOOR FUSE LH-IG FUSE LSW LSWE LT BLU WIRE LT GRN WIRE LUGGAGE COMPARTMENT DOOR STRIKER SWITCH (REAR CENTER OF LUGGAGE COMPT) LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPX-B FUSE R/B 1 (LEFT SIDE OF ENGINE COMPT) ORG/ WIRE OSCB OSCE PNK WIRE POWER WINDOW MASTER SWITCH RED WIRE SELE- SGND SIG SIGJ TRG+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BM BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BODY ECU BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DOME FUSE ECT PWR. ECT SNOW ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) IND LCD LT BLU WIRE LT GRN WIRE MASTER IND MPX MPX-B FUSE MULTI-INFORMATION DISPLAY NCA WIRE PNK WIRE PWR RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SIDE OF ENGINE COMPT) SNOW SPEEDOMETER TACHOMETER VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

25 24 14 13 CANH CANL 4.6L 3.5L ALT FUSE ALT-S FUSE BATTERY 1 BLK WIRE BLK/BLU WIRE BLU WIRE CHARGE INDICATOR COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE GENERATOR IG GRN/RED WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) HOT W/ IGN RELAY ENERGIZED JUNCTION JUNCTION CONNECTOR LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT BLU WIRE LT GRN WIRE MPX MPX-B FUSE PNK (OR WIRE PNK ALT WIRE RED WIRE RELAY ENERGIZED RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) STARTING CIRCUIT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

21 46 23 20 18 104 70 112 86 52 53 26 54 78 63 42 43 44 45 MREL 25 5 COMPUTER DATA LINES SYSTEM ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DOME FUSE ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR START HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) IGCT 1 FUSE IGCT RELAY LT BLU WIRE LT GRN WIRE MASTER IND MPX-B FUSE MULTI-INFORMATION DISPLAY ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PMET TC CANL CANH CAN- CAN+ PNK WIRE RED WIRE RED/BLK WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SP VPA SPEEDO- METER STP IGSW GI NEI CCS THO TOPM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 3 2 SIG ES MPX 20 14 IG MPX PNK COMPUTER DATA LINES SYSTEM 9 8 17 10 WIRE 34 24 7 PNK WIRE ASSEMBLY AUTO AUTO INT BLK WIRE BLK/ WHT WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BODY ECU COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE ROOM ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT CONTROLLER FRONT WIPER FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HEADLAMPS WASHER CIRCUIT HOT AT ALL TIMES J/B 2 (LEFT SIDE OF ENGINE COMPT) LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH ECU-IG FUSE LT BLU WIRE LT GRN WIRE MIST MPX+ MPX- 25 5 MPX-B FUSE OFF ORG/ WIRE OVERHEAD J/B (IN OVERHEAD CONSOLE) PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RAIN SENSOR (W/ AUTO WIPER SYSTEM) (FRONT CENTER OF ROOF) RED WIRE RELAY RELAY ENERGIZED RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) S/S +2 S/M SWITCH WASHER VIO WIRE W/O AUTO WIPER SYSTEM WASH RELAY WASHER FUSE WHT WIRE WHT/BLK WIRE WIG WINDSHIELD WASHER MOTOR (AT LEFT FRONT CORNER OF ENGINE COMPT) WINDSHIELD WIPER SWITCH WIPER SWITCH YEL WIRE

1 16 (3.5L) (4.6L) 1 2 3 4 5 6 HDLO 17 10 4.6L 3.5L 34 24 7 PNK WIRE 4 6 7 HEAD BLK WIRE BLU WIRE BLU/ORG WIRE BODY ECU COMPUTER DATA LINES SYSTEM COMPUTER WIPER, DATA LINES WASHER SYSTEM CIRCUIT ECU-B FUSE ENGINE ROOM ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT CONTROLLER FRWA PB GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE H-LP CLN FUSE HEAD AUTO HEAD HDLO HEADLAMP CLEANER CONTROL RELAY (BELOW LEFT HEADLIGHT) HEADLAMP CLEANER MOTOR (BELOW LEFT HEADLIGHT) HEADLAMP CLEANER SWITCH HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE OFF OFF TAIL ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) R/B 2 (LEFT SIDE OF ENGINE COMPT) RED WIRE RELAY RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) TAIL HEAD AUTO VIO WIRE WASH RELAY WASHER FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

3.5L 4.6L 7 24 34 PNK WIRE ANT ASEL BLK WIRE BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM DATA DOME FUSE DOOR CONTROL RECEIVER (RIGHT REAR OF LUGGAGE COMPT) ELECTRICAL KEY ANTENNA (BASE OF RIGHT "C" PILLAR) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM 1 J/B (RIGHT REAR OF ENGINE COMPT) FUEL FUEL LID OPENER MOTOR (AT LEFT SIDE OF LUGGAGE COMPT) FUEL OPEN FUSE FUEL OPEN RELAY GAUGE FUSE GRD GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IG MPXB RFRL LEFT COWL SIDE J/B (BEHIND LEFT LH J/B-AM (3.5L) RR J/B (4.6L) FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE LUGGAGE COMPARTMENT DOOR OPENER CANCEL SWITCH LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPX-B FUSE ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RCO RED WIRE RELAY RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RSSI SIDE OF DASH) TRK OPN FUSE TSW VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+IG 11 12 6 7 15 13 14 FSR+ FSR- PS VPS GPS BSW BGND PNK PNK WIRE 18 10 17 9 RBE- RBE+ FSR- FSR+ 30 31 MPX+ MPX- 5 8 PNK WIRE A/C AMPLIFIER (BEHIND CENTER RIGHT OF DASH) AIR BAG SENSOR ASSEMBLY CENTER (UNDER CENTER FLOOR CONSOLE) BLK WIRE BLU WIRE BUCKLE SWITCH COMBINATION METER COMPUTER DATA LINES SYSTEM FRONT SEAT INNER BELT (DRIVER'S SIDE) (UNDER LEFT SIDE OF DRIVER'S SEAT) FRONT SEAT INNER BELT (FRONT PASSENGER'S SIDE) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) LBE+ LBE- LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MPX+ MPX- MPX-B FUSE MULTI-DISPLAY MULTI-INFORMATION DISPLAY OCCUPANT CLASSIFICATION SENSOR OCCUPANT DETECTION SENSOR ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY PASSENGER SEAT BELT WARNING LAMP PBEW PBLT PNK WIRE PS VPS GPS RBE+ RED WIRE RELAY ENERGIZED RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SEAT BELT IND TELLTALE LAMP ASSEMBLY TIRE PRESSURE MONITOR ECU (BEHIND CENTER OF DASH) VIO WIRE W/ OCCUPANT CLASSIFICATION SYSTEM W/O OCCUPANT CLASSIFICATION SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 IG CLSW IDSW 25 5 COMPUTER DATA LINES SYSTEM 30 31 MPX+ MPX- 5 8 PNK WIRE A/C AMPLIFIER (BEHIND CENTER RIGHT OF DASH) AIR BAG SENSOR ASSEMBLY CENTER (UNDER CENTER FLOOR CONSOLE) BLK WIRE BLU WIRE BLU/WHT WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DISPLAY INFORMATION DOME FUSE ECU-IG RH FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) MPX-B FUSE LT BLU WIRE LT GRN WIRE MASTER IND MULTI- OUTER MIRROR SWITCH ASSEMBLY PNK WIRE RED WIRE RELAY RELAY ENERGIZED RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) TIRE PRESSURE IND TIRE PRESSURE WARNING ANTENNA, RECEIVER (CENTER OF ROOF) TIRE PRESSURE WARNING ECU (BEHIND CENTER OF DASH) TIRE PRESSURE WARNING RESET SWITCH TIRE PRESSURE WARNING SELECT SWITCH VIO WIRE VIO/YEL WIRE WHT/BLK WIRE YEL WIRE