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

1 2 3 4 5 6 7 8 B+ ACCD BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) ID CODE BOX (BEHIND CENTER OF DASH) IGE SGRD GND IGN FUSE INDS INDW PNK WIRE INSTRUMENT CLUSTER SYSTEM LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT END 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 END OF DASH) RDY RDY IMO IMI RED WIRE RED/BLK WIRE RELAY ENERGIZED RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SECURITY FUSE SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE, NEAR SELECTOR LEVER) SKSW SL/R SLP STEERING LOCK ECU (TOP RIGHT SIDE OF STEERING COLUMN) STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) STOP SW FUSE STR LOCK FUSE STSW SWIL VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

+B STA 2 17 EC IGSW 24 25 CANL CANH 3 4 TC STP 30 19 16 27 33 34 35 32 26 SFTU SFTD TACH 4 13 5 6 12 BATT MREL ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) EFI 2 FUSE EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE GRN/WHT WIRE HOT AT ALL TIMES LT GRN WIRE ORG/ WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) TAC VIO WIRE VIO/WHT WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE GAUGE FUSE GRN/RED WIRE HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED IGN FUSE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RH-IG FUSE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) SFTD SFTU STARTING/ CHARGING SYSTEM STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) STOP SW FUSE TRANSMISSION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED 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

20 21 19 18 27 26 1 2 THW ETHW ETHA THA VG BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM EOIL OIL NT- NT+ GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT BLU WIRE LT GRN WIRE NCA WIRE OIL ORG/ WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED SLT- SLU+ SLU- SLU+ STAR STARTING/CHARGING SYSTEM THA TRANSMISSION REVOLUTION SENSOR (COUNTER GEAR) (IN TRANSMISSION) TRANSMISSION REVOLUTION SENSOR (TURBINE) (IN TRANSMISSION) 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 CRUISE CONTROL SWITCH 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 GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE J/C LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT FRONT SPEED SENSOR (AT LEFT FRONT WHEEL ASSEMBLY) M- M+ ON OFF PNK WIRE RED WIRE RED/BLK WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) RIGHT REAR SPEED SENSOR (AT RIGHT REAR WHEEL ASSEMBLY) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SPI+ SPIRAL CABLE (IN STEERING COLUMN) CCS STOP SW FUSE THROTTLE BODY ASSEMBLY (TOP REAR OF ENGINE) VC VTA VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2, ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1, ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) FR FOG FUSE FR FOG RELAY FROM MPX-B FUSE (DIAGRAM 1 OF 3) FRONT CONTROLLER GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE H-LP UPR FUSE HEAD LP RELAY HOT AT ALL TIMES HOT IN ON OR START L LWR H-LP FUSE LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT FOG LAMP LEFT HEADLAMP ASSEMBLY LH ECU-IG FUSE LIGHT CONTROL ECU LIGHT LOW CONTROL (HID) ECU LOW (HID) MAIN FUSE R LWR H-LP FUSE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RH J/B-AM (4.6L) RR J/B (3.5L) FUSE RIGHT FRONT FOG LAMP RIGHT HEADLAMP ASSEMBLY WHT/BLK WIRE YEL WIRE

1 2 3 4 +B 7 6 IMO IMI 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 SGND 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 VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE BRN/BLK WIRE CLEARANCE WARNING BUZZER (BELOW CENTER OF DASH) CLEARANCE WARNING ECU (BEHIND RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES IG CBZ LEFT REAR CENTER ULTRASONIC SENSOR (BEHIND LEFT CENTER OF REAR FASCIA) LEFT REAR CORNER ULTRASONIC SENSOR (BEHIND LEFT SIDE OF REAR FASCIA) LT BLU WIRE LT GRN WIRE ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PNK/BLK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RELAY RELAY ENERGIZED RH-IG FUSE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT KICK PANEL J/B (BEHIND RIGHT SIDE OF DASH) RIGHT REAR CENTER ULTRASONIC SENSOR (BEHIND RIGHT CENTER OF REAR FASCIA) RIGHT REAR CORNER ULTRASONIC SENSOR (BEHIND RIGHT SIDE OF REAR FASCIA) VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

3.5L 4.6L BLK WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES HOT AT ALL TIMES RIGHT COWL SIDE J/B LEFT LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT BLU WIRE LT GRN WIRE P POSITION DETECTION SWITCH PARK/ NEUTRAL POSITION SWITCH PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY RH ECU-IG FUSE RIGHT RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE, NEAR SELECTOR LEVER) SHIFT LOCK SOLENOID STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE