Lexus GS III facelift (2007-2011) yel Wiring diagrams

1 2 3 4 +B 4.6L 3.5L ACCD BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CTSW SLR+ ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMP) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START ID CODE BOX (BEHIND CENTER OF DASH) IGE SGRD GND IGN FUSE INDS INDW PNK WIRE INSTRUMENT CLUSTER SYSTEM LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK EFII EFIO WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SECURITY FUSE SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE, NEAR SELECTOR LEVER) SKSW SLP STAR STARTING/CHARGING SYSTEM STEERING LOCK ECU (TOP RIGHT SIDE OF STEERING COLUMN) STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) STOP SW FUSE STR LOCK FUSE STSW SWIL TACH IMO IMI 7 6 VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 SH BZR ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM DOOR LOCKS SYSTEM BATB BLK WIRE BLU WIRE BODY ECU (COWL SIDE J/B RH) (INSIDE COWL SIDE J/B RIGHT) BRN WIRE CLTE CLTS CLTB DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) SIL DCTY ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FSPT FUSE GRN WIRE GRN/RED WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HDLO HEAD IND HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG GSW LCTY INSTRUMENT CLUSTER SYSTEM ISIF LT BLU WIRE LT GRN WIRE MEMORY SYSTEMS MIRRORS SYSTEM ANTI-THEFT SYSTEM MPX-B FUSE NAVIGATION SYSTEM INSTRUMENT CLUSTER SYSTEM ANTI-LOCK BRAKES SYSTEM ORG/ WIRE PCTY PKBO PNK CILL WIRE PNK WIRE RCTY RED WIRE RH ECU-IG FUSE RH FR DOOR FUSE TI, TE FUSE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) S+B SNOW PWR PNK WIRE SUPPLEMENTAL RESTRAINTS SYSTEM INTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TSW VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 GND WIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LCM+ 1 2 3 4 5 S/S +2 S/M ALTL WNG BACK BDCY BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BODY ECU (COWL SIDE J/B LH) (INSIDE COWL BODY ECU (COWL SIDE J/B LH) (INSIDE COWL SIDE J/B LEFT) CCTY ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FR WIP FUSE FRONT CONTROLLER FUEL GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) MPX-B FUSE HOT IN ON OR START ILE RCTY LCTY ILL LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT SEAT POSITION CONTROL ECU, SWITCH (LEFT SIDE OF DRIVER'S SEAT) LGCY LCM- LOPN LCLS LH-IG FUSE LPSW LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPXB IG NAVIGATION SYSTEM ORG/ WIRE PNK WIRE RED WIRE SGND RFRL SIDE J/B LEFT) TL TR TRK OPN FUSE TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/O ADAPTIVE FRONT-LIGHTING SYSTEM W/ ADAPTIVE FRONT-LIGHTING SYSTEM WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM YEL WIRE

3.5L 30 31 13 26 38 MPX+ MPX- PRE 4.6L 4.6L 3.5L SUB FAN MOTOR A/C AMPLIFIER (BEHIND CENTER RIGHT OF DASH) A/C PRESSURE SENSOR (LEFT FRONT OF ENGINE COMPT) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM COOLING FAN ECU CRANKSHAFT POSITION SENSOR (4.6L) (LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FAN MAIN RELAY FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT BLU WIRE LT GRN WIRE MAIN FAN MOTOR NCA WIRE NE+ PNK NE- WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED (OR RED/BLU) WIRE RED WIRE RELAY RFC SG-2 VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+B MREL IGSW TC CANL CANH CAN- CAN+ 1 2 3 4 5 6 M- M+ 20 23 PNK +BM WIRE 32 20 1 2 12 11 27 33 52 21 22 40 41 EC BATT BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EFI FUSE EFI MAIN RELAY 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 COMPT) ETCS FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE J/C LEFT FRONT SPEED SENSOR (AT LEFT FRONT WHEEL ASSEMBLY) LEFT REAR SPEED SENSOR (AT LEFT REAR WHEEL ASSEMBLY) M- M+ PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) RIGHT FRONT SPEED SENSOR (AT RIGHT FRONT WHEEL ASSEMBLY) RIGHT REAR SPEED SENSOR (AT RIGHT REAR WHEEL ASSEMBLY) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SPI+ STOP SW FUSE THROTTLE BODY ASSEMBLY (TOP REAR OF ENGINE) VC VTA VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3.5L 3.5L 4.6L 3.5L 4.6L 4.6L 3.5L ABSORBER CONTROL ECU BLK WIRE BLK) (OR YEL/ WIRE BLU WIRE BODY ECU BRN (OR WHT/BLK) WIRE BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY CG SG CANH SIL D/G DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) DIA ECU (RIGHT REAR OF LUGGAGE COMPT) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) FREE FRONT STABILIZER CONTROL ECU (RIGHT FRONT CORNER OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/BLK WIRE GRY WIRE HIGH/LOW BUS CIRCUIT HOT AT ALL TIMES LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAYDAY ECU (CENTER REAR OF LUGGAGE COMPT) MULTI-DISPLAY OBD FUSE OCCUPANT CLASSIFICATION ECU ORG/ WIRE PNK PNK WIRE PNK WIRE POWER STEERING ECU RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SIL SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SKID CONTROL ECU W/ ACTUATOR (3.5L) (LEFT REAR OF ENGINE COMPT) STEERING CONTROL ECU (UNDER GLOVE COMPT) TAC TACH TS TC CANL WFSE BAT VIO WIRE WFSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

3 2 PNK WIRE 31 30 MPX- MPX+ A/C AMPLIFIER (BEHIND CENTER RIGHT OF DASH) AIR BAG SENSOR ASSEMBLY CENTER (UNDER CENTER FLOOR CONSOLE) ATX- BLK WIRE BLU WIRE BODY ECU BRN WIRE CERTIFICATION ECU (RIGHT REAR CORNER OF LUGGAGE COMPT) CMP DASH) GRN/RED WIRE GRY WIRE GRY/BLU WIRE HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF LEFT FRONT DOOR ECU (IN DRIVER'S DOOR) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B ECU OUTER MIRROR SWITCH ASSEMBLY PNK 5 8 WIRE PNK WIRE POWER WINDOW MASTER SWITCH RADIO RECEIVER ASSEMBLY RED WIRE RIGHT FRONT DOOR ECU (IN RIGHT FRONT DOOR) RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) SGND STEREO COMPONENT AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) TXM- W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

1 14 CANH CANL 1 8 3 2 LCN+ LCN- CANL CANH 3.5L W/ ACTIVE STABILIZER SUSPENSION SYSTEM BLK WIRE BLU WIRE BRN WIRE CAN (+) DATA LINK RIGHT CONNECTOR 3 REAR (BEHIND LEFT POWER SIDE OF DASH) WINDOW SWITCH FRONT STABILIZER CONTROL ECU (RIGHT FRONT CORNER OF ENGINE COMPT) GRN WIRE GRY WIRE LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT REAR POWER WINDOW SWITCH LT GRN WIRE PNK WIRE REAR STABILIZER CONTROL ECU (RIGHT SIDE OF LUGGAGE COMPT) RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SIDE OF DASH) SIL ST-PLUG VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 CANH CANL 10 9 CANH CANL 3 2 CANH CANL 3.5L 4.6L 4.6L 3.5L 8 9 CANH CANL 9 10 14 13 CAN- CAN+ CANH CANL 9 22 CANH CANL BLK WIRE BLU WIRE BRN WIRE CAN (+) DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) ELECTRONIC MODULATED SUSPENSION ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU 2 (FRONT OF LUGGAGE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT GRN WIRE MPX-B FUSE ORG/ WIRE PNK WIRE RED WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SEAT BELT CONTROL ECU SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) ST-PLUG STEERING SENSOR (BEHIND LEFT SIDE OF DASH, NEAR STEERING COLUMN) TRANSMISSION CONTROL ECU (4.6L) (LEFT FRONT OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER FRONT OF CENTER FLOOR CONSOLE) YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 +BL +BR BLK WIRE BLU WIRE BRN WIRE ECUB RR+B ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM L STOP LP FUSE LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX-B FUSE PGND REV RSS PNK WIRE POWER WINDOWS SYSTEM R STOP LP FUSE RED WIRE RR TAIL FUSE RR-B FUSE TLIN TKUL IG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE