Lexus GS II facelift (2000-2004) red/blu Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 BRAKE LTS HI MOUNT 8 7 6 5 4 3 2 1 EHW GRD ER EL +B LL LR IG ALT FUSE TURN-HAZ FUSE BODY ECU 1 (PASSENGER SIDE J/B) HAZ BRN WIRE COMBINATION METER DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EA (RIGHT FRONT STRUT TOWER) EB (LEFT FRONT STRUT TOWER) ENGINE ROOM RELAY BLOCK 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HAZARD SWITCH HIGH MOUNTED STOPLIGHT (W/ REAR SPOILER) HIGH MOUNTED STOPLIGHT (W/O REAR SPOILER) HOT AT ALL TIMES HOT IN RUN OR START IF JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 12 (LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 17 (UPPER RIGHT END OF DASH) JUNCTION CONNECTOR J/C 20 (ABOVE LEFT REAR WHEEL- WELL) LEFT LEFT FRONT TURN SIGNAL LIGHT LEFT REAR COMBINATION LIGHT (OUTER) LEFT TURN INDIC LEFT, RIGHT REAR COMBINATION LIGHTS (INNER) LIGHT FAILURE SENSOR (AT LEFT SIDE OF LUGGAGE COMPARTMENT) MARKR MARKR TAIL STOP NOISE FILTER (HIGH MOUNTED STOPLIGHT) (AT LEFT FRONT CORNER OF LUGGAGE COMPT) RED/BLU WIRE RED/WHT WIRE RIGHT RIGHT FRONT TURN SIGNAL LIGHT RIGHT REAR COMBINATION LIGHT (OUTER) RIGHT TURN INDIC STP TL TAIL FUSE TAIL RELAY TURN TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) TURN SIGNAL LIGHT SWITCH TURN STOP TAIL VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WRN TAILLT PWR HI MOUNT TAIL LTS POWER STOP SW STOP SW GRD SIDE MARKER

1 17 3 15 2 COMPUTER DATA LINES SYSTEM GSWO FFOG AUTO HEAD TAIL 11 3 12 2 GRD CLTS CLTE CLTB 14 15 CTYE CTY 2 3 9 SIG CPUB 5 1 FFGO IG ALTL AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BECU TRLY BLK WIRE BLK/ WHT WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BODY ECU 2 (IN DRIVER SIDE J/B) COMBINATION SWITCH COMPUTER DATA LINES SYSTEM D FR FUSE DASH HARN, BEHIND COMBINATION METER) DIMMER SWITCH DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EA (RIGHT FRONT STRUT TOWER) ECU-IG FUSE ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) FOG RELAY FOGLIGHT SWITCH FR FOG FUSE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HEADLIGHT SWITCH HOT AT ALL TIMES HOT IN START OR RUN HOT IN START OR RUN DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) OF DASH) GAUGE FUSE JUNCTION CONNECTOR J/C 10 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 17 (UPPER RIGHT END OF DASH) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 7 (LEFT KICK PANEL) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT FOGLIGHT OFF ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT FOGLIGHT SRS-B FUSE TAIL HEAD AUTO WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/RED WIRE

BLK WIRE BLU/BLK WIRE COMBINATION METER DAYTIME RUNNING LIGHT RELAY (MAIN) (BEHIND RIGHT END OF DASH) DAYTIME RUNNING LIGHT RELAY 3, 4 (AT LEFT FRONT CORNER OF ENGINE COMPT) DAYTIME RUNNING LIGHT RESISTOR (LEFT STRUT TOWER) DIMMER DRL 2 RELAY DRL 1 FUSE DRL 2 FUSE EB (LEFT FRONT STRUT TOWER) EE (RIGHT FRONT STRUT TOWER) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ENGINE ROOM R/B 3 (ON LEFT SIDE OF ENGINE COMPT, FRONT OF STRUT TOWER) ENGINE ROOM RELAY BLOCK 3 (ON LEFT SIDE OF ENGINE COMPT, FRONT OF STRUT TOWER) FUSE HEAD IND (USA) HEAD LP RELAY HEADLIGHTS SYSTEM (HEADLIGHT BEAM LEVEL CONTROL ECU) HIGH BEAM IND HOT AT ALL TIMES J/C 27 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 11 (LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 14 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 15 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 18 (RIGHT KICK PANEL) LEFT HIGH BEAM HEADLIGHT LEFT LOW BEAM HEADLIGHT (EX HID) LEFT HEADLIGHT CONTROL ECU (HID) LEFT LOWER HEAD FUSE LEFT UPPER HEAD FUSE MAIN FUSE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HIGH BEAM HEADLIGHT RIGHT LOW BEAM HEADLIGHT (EX HID) RIGHT HEADLIGHT CONTROL ECU (HID) RIGHT LOWER HEAD FUSE RIGHT UPPER HEAD FUSE SHORT CONNECTOR (CANADA) (LEFT STRUT TOWER) WHT RED/ WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 IG SPDL WNG 1 2 3 4 5 6 7 8 SBF SHF SGF HDLP SBR SHR SGR 3 15 2 AUTO HEAD TAIL 8 6 11 3 12 2 BECU TRLY GRD CLTS CLTE CLTB ANTI-LOCK BRAKES SYSTEM AUTO AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BLK/ WHT WIRE BLK/BLU WIRE BLK/RED WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU 2 (IN DRIVER SIDE J/B) COMBINATION METER COMBINATION SWITCH DASH HARN, BEHIND COMBINATION METER) DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) EB (LEFT FRONT STRUT TOWER) ECU-IG FUSE FRONT HEIGHT CONTROL SENSOR (FORWARD OF LEFT FRONT STRUT TOWER) FUSE GAUGE FUSE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE HEADLIGHT BEAM LEVEL CONTROL ECU (AT LEFT FRONT OF ENGINE COMPT) HEADLIGHT BEAM LEVEL CONTROL WARNING INDICATOR HEADLIGHT SWITCH HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN START OR RUN JUNCTION CONNECTOR J/C 10 (UPPER LEFT END OF DASH) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 7 (LEFT KICK PANEL) LEFT HEADLIGHT BEAM LEVEL CONTROL MOTOR PASSENGER SIDE JUNCTION BLOCK (BEHIND RIGHT KICK PANEL) PNK/GRN WIRE REAR HEIGHT CONTROL SENSOR (UNDER LEFT REAR OF VEHICLE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT BEAM LEVEL CONTROL MOTOR (ON HEADLIGHT ASSEMBLY) TAIL TAIL HEAD AUTO OFF OFF WHT/BLK WIRE WHT/RED WIRE

ABS IND. ANTI-LOCK BRAKE SYSTEM NAVIGATION, SOUND SYSTEMS AT-P BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BODY ECU 2 (IN DRIVER'S SIDE JUNCTION BLOCK) BRAKE IND BRN/YEL WIRE BUZZER CHARGE IND COMBINATION METER CRUISE IND DOOR IND DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B (LEFT KICK PANEL) EB (LEFT FRONT STRUT TOWER) ECT POWER IND ECT SNOW IND EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUEL GAUGE FUEL IND FUEL SENDER (IN FUEL TANK) FUEL SENDER (SUB) (IN FUEL TANK) FUSE GAUGE FUSE GRN WIRE GRN/ WHT WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HEAD IND (USA) HEADLIGHT LEVELING IND HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM ENGINE CONTROLS SYSTEM HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START II (UPPER RIGHT SIDE OF DASH) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 11 (BEHIND LEFT SIDE OF DASH) J/C 17 (BEHIND RIGHT SIDE OF DASH) J/C 6 (LEFT KICK PANEL) LEFT TURN IND LT GRN WIRE MALFUNCTION IND LAMP ODO/TRIP ODOMETER/ TRIPMETER OIL LEVEL IND OIL PRESS IND ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B (RIGHT KICK PANEL) PNK WIRE REAR LIGHT IND RED WIRE RED/BLU WIRE RESET+ RHEOSTAT RIGHT TURN IND SEAT BELT IND SLIP IND SPEEDOMETER SRS IND SRS-B FUSE SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TAIL IND (CANADA) VSC IND VSC OFF IND WARNING SYSTEM WASHER IND WASHER LEVEL WARNING SWITCH (LEFT FRONT OF ENGINE COMPT) WATER TEMP GAUGE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 ECUE IG VC GND ECUB 1 2 3 4 5 6 7 8 9 10 RCL- RCL+ SLD- SLD+ LFT- LFT+ GND +B FRV- FRV+ 1 2 3 4 5 6 POWER TILT MOTOR BJ (UNDER LEFT C-PILLAR) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM D P/SEAT FUSE DOWN DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER'S SEAT FRONT VERTICAL MOTOR DRIVER'S SEAT LUMBAR SUPPORT CONTROL MOTOR DRIVER'S SEAT REAR VERTICAL MOTOR DRIVER'S SEAT RECLINING MOTOR DRIVER'S SEAT SLIDING MOTOR FRONT FRONT VERTICAL CONTROL SENSOR FUSE GRN/WHT WIRE HOT AT ALL TIMES J/C 18 (RIGHT KICK PANEL) J/C 20 (ABOVE LEFT REAR WHEELWELL) J/C 23 (BELOW DRIVER'S SEAT) J/C 6 (LEFT KICK PANEL) LT GRN WIRE LT GRN/RED WIRE LUMBAR SUPPORT CONTROL SWITCH MSW ORG/ WIRE P-P/SEAT FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) POWER SEAT CONTROL SWITCH POWER SEAT ECU (UNDER DRIVER'S SEAT) POWER TELESCOPIC MOTOR RCLF RCLR REAR REAR VERTICAL CONTROL SENSOR RECLINE CONTROL SENSOR RED/BLU WIRE SGND SSRS SLDF SLDR LUP LDWN FUP SLIDE CONTROL SENSOR SSFV SSRL SSRR PVCC FDWN IG SYSB TEL LNG TILT UP TEL SHRT TILT DOWN TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) TILT, TELESCOPIC SWITCH TIM- TIM+ TEM- TEM+ VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

+B AUI- AUO- 12 5 GTX- GTX+ 4.3L 3.0L 9 10 TX+ TX- ACAN AUI+ AUO+ BLK WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BM (UNDER RIGHT "C" PILLAR) BODY ECU 2 (IN DRIVER SIDE J/B) BRAIDED BRN WIRE COMPUTER DATA LINES SYSTEM (DATA LINK CONNECTOR) DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) RADIO 2 FUSE EXTERIOR LIGHTS SYSTEM (BACK-UP LIGHT SWITCH) GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN START OR RUN IG DR IH (RIGHT SIDE OF DASH PANEL BRACE) INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL JUNCTION BLOCK (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 22 (ABOVE RIGHT REAR WHEELWELL) J/C 27 (BEHIND LEFT KICK PANEL) J/C 28 (ABOVE RIGHT REAR WHEELWELL) J/C 28 (ABOVE RIGHT REAR WHEELWELL) (MARK LEVINSON) LEFT FRONT DOOR SPEAKER LT GRN/BLK WIRE MARK LEVINSON EXCEPT MULTI-DISPLAY NAVIGATION ECU (AT RIGHT REAR CORNER OF LUGGAGE COMPT) ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PASSENGER SIDE JUNCTION BLOCK (BEHIND RIGHT KICK PANEL) PKB TC PNK WIRE PNK/BLK WIRE RADIO, PLAYER RED WIRE RED/BLU WIRE REV MUTE SYNC TV FUSE TX+ VG VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ABS 2 FUSE AIR CONDITIONING SYSTEMS ALT FUSE ALT-S FUSE ANTI-LOCK BRAKES SYSTEM BATTERY BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BODY ECU NO. 1 CDS FAN FUSE RDI FAN FUSE COOLING FANS SYSTEM D FR FUSE DEFOG FUSE DEFOGGER SYSTEM DIMMER DRL 2 RELAY DOME FUSE DRL 1 FUSE DRL 2 FUSE EFI FUSE ENG MAIN RELAY ENGINE CONTROLS, CRUISE CONTROL SYSTEM ENGINE CONTROLS, TRANSMISSION, CRUISE CONTROL SYSTEMS ETCS FUSE TEL FUSE FAN MAIN FUSE FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 2) FUSE GRN WIRE GRN/RED WIRE GRY/RED WIRE H-LP CLN FUSE HEAD LP RELAY HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM AIR CONDITIONING, HEADLIGHTS, MEMORY SYSTEMS HEATER FUSE ABS 1 FUSE HORN FUSE HORNS, BODY COMPUTER, ANTI-THEFT SYSTEMS IG RELAY MIR RELAY LEFT LOWER HEAD FUSE LEFT UPPER HEAD FUSE RIGHT UPPER HEAD FUSE FUSE LT GRN WIRE MAIN FUSE MIR HTR FUSE SEAT HTR FUSE NAVIGATION SYSTEM NOISE FILTER P FR FUSE P P/ SEAT FUSE S/ROOF FUSE P RR DOOR FUSE ECU- POWER TOPS SYSTEM RADIO 1 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT LOWER HEAD FUSE RIGHT REAR DOOR ECU SEATS SYSTEM SEATS, ELECTRONIC POWER STEERING SYSTEMS SOUND SYSTEMS STARTER STARTING/ CHARGING SYSTEM TELEPHONE TRANSCEIVER/ SPEAKER RELAY TO DRIVER SIDE J/B (DIAGRAM 2 OF 2) TO ENGINE ROOM R/B 1 (DIAGRAM 1 OF 2) TO IGNITION SWITCH (DIAGRAM 2 OF 2) TURN, HAZ FUSE TV FUSE WHT WIRE WHT/BLU WIRE WHT/RED WIRE WIPER/ WASHER SYSTEM YEL WIRE

BLK WIRE BLK/ WHT WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG (OR BLK) WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU 2 CIG FUSE CIGARETTE LIGHTER COMPUTER DATA LINES SYSTEM D FR DOOR FUSE D P/SEAT FUSE D RR DOOR FUSE DEFOGGERS, AIR CONDITIONING SYSTEMS DRIVER DOOR ECU ECU-IG FUSE ENGINE ROOM R/B 1 (DIAGRAM 1 OF 2) FOG RELAY FR FOG FUSE FROM FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 2) FUEL OPN FUSE FUSE GRN WIRE GRY WIRE HEATER FUSE IGN FUSE IGNITION SWITCH II (UPPER RIGHT SIDE OF DASH) INSTRUMENT CLUSTER, SUPPLEMENTAL RESTRAINTS, HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS J/C 12 (BEHIND LEFT SIDE OF DASH) J/C 15 (BEHIND LEFT SIDE OF DASH) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT REAR DOOR ECU LOCK LT GRN WIRE OBD FUSE PANEL FUSE PNK WIRE POWER OUTLET RADIO 2 FUSE RED/BLU WIRE SEATS, MEMORY SYSTEMS SRS-B FUSE STARTER FUSE STARTING/ CHARGING, ENGINE CONTROLS SYSTEM STOP FUSE TAIL FUSE TAIL RELAY TRUNK, TAILGATE, FUEL DOORS SYSTEM WASHER FUSE GAUGE FUSE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WIPER FUSE WIPER/ WASHER SYSTEMS

ATL BLK WIRE BLU WIRE BLU/RED WIRE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) GAUGE FUSE GRN/BLK WIRE GRY WIRE HOT IN ACC OR RUN HOT IN RUN OR START II (UPPER RIGHT SIDE OF DASH) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 17 (BEHIND RIGHT SIDE OF DASH) J/C 17 (UPPER RIGHT SIDE OF DASH) J/C 3, J/C 4 (IN ECU BOX) J/C 6 (LEFT KICK PANEL) J/C 9 (LEFT SIDE OF DASH) KLS+ NSSD NSSL PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) RADIO 2 FUSE RED WIRE RED/BLU WIRE RED/YEL WIRE SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE, NEAR SELECTOR LEVER) UNLOCK WARNING SWITCH, KEY INTERLOCK SOLENOID (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE