Lexus GS II facelift (2000-2004) ecu-ig fuse Wiring diagrams

3.0L 4.3L BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BODY ECU 2 BRAIDED BRAKE FLUID LEVEL WARNING SWITCH (IN BRAKE FLUID RESERVOIR) BRN WIRE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IG (UPPER LEFT SIDE OF DASH) II (UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR J/C 1 (UNDER ECU BOX) JUNCTION CONNECTOR J/C 10 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 15 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 3, J/C 4 (UNDER ECU BOX) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 7 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 9 (BEHIND LEFT SIDE OF DASH) LEFT FRONT ABS SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LT GRN WIRE LT GRN/BLK WIRE MASTER CYLINDER PRESSURE SENSOR (AT LEFT REAR CORNER OF ENGINE COMPARTMENT) PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT ABS SPEED SENSOR (RIGHT FRONT WHEEL ASSEMBLY) STEERING SENSOR (COMBINATION SWITCH) STOP FUSE STOPLIGHT SWITCH (ON BRAKE PEDAL BRACKET) VSC OFF SWITCH VSC WARNING BUZZER (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

8 6 11 BECU TRLY GRD BDR SIG CPUB BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BODY ECU 2 BRN/BLK WIRE D FR FUSE D RR DOOR FUSE DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE ROOM R/B 1 (RIGHT SIDE OF ENGINE COMPT) GRD CTYE CTY A- A+ LSWE LSW KUL KL PWE MUL ML GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GSWO HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES HOT IN ON OR ACCY HOT IN ON OR START HRLY ILE II (UPPER RIGHT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 17 (UPPER RIGHT SIDE OF DASH) J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 10 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 7 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 8 (BEHIND LEFT KICK PANEL) LEFT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LEFT FRONT DOOR COURTESY SWITCH LOCK LOCK DETECT LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE PNK/BLK WIRE PNK/GRN WIRE RADIO 2 FUSE RED WIRE RED/GRN WIRE RED/YEL WIRE UNLK UNLK LOCK WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE

2 1 +B 4.3L ONLY 6 7 8 9 10 11 12 TRLY DBKL BECU A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) AUTOMATIC LIGHT CONTROL SENSOR BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BODY ECU NO. 2 (IN DRIVER SIDE J/B) BRN/BLK WIRE COMBINATION METER COMBINATION SWITCH (FOGLIGHT SWITCH) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) FOG RELAY FFGO GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HEAD LP RELAY DAYTIME RUNNING LIGHT RELAY (MAIN) CLOCK (IN MULTI-DISPLAY) HOT IN RUN OR START IG CLTB CLTS BLVL ILE STPI HEAD INTERIOR LIGHTS STOPLIGHT SWITCH COMBINATION SWITCH (HEADLIGHT SWITCH) JUNCTION CONNECTOR J/C 15 (LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 9 (BEHIND LEFT SIDE OF DASH) LT GRN/BLK WIRE MPX MULTI-DISPLAY NOT USED GRD CLTE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH STEERING PAD SWITCH (IN COMBINATION SWITCH) TAIL AUTO LF KSW MIRE MIRS MIRB HRLY ALTL ACAN TAIL RELAY LEFT BUCKLE SWITCH TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/RED WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

8 6 BECU TRLY BDR SIG CPUB BLK/ WHT WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BODY ECU 2 COMPUTER DATA LINES SYSTEM D FR DOOR FUSE D RR DOOR FUSE DASH HARN, BEHIND COMBINATION METER) DOOR DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE ROOM R/B NO. 1 (RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GRD GRD CTYE CTY CTYB CTY GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR ACC HOT IN RUN OR START HRLY ILE IF HEADLIGHTS SYSTEM IGNITION KEY CYLINDER LIGHT JUNCTION CONNECTOR J/C 10 (BEHIND LEFT END OF DASH) JUNCTION CONNECTOR J/C 13 (BEHIND COMBINATION METER) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 7 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 8 (BEHIND LEFT KICK PANEL) LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT DOOR COURTESY SWITCH LEFT STEP LIGHT RIGHT STEP LIGHT ORG/ WIRE PASSENGER SIDE JUNCTION BLOCK (BEHIND RIGHT KICK PANEL) PERSONAL LIGHT RADIO 2 FUSE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 SOL+ SOL- 3.0L 4.3L BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE COMBINATION METER DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE HOT IN ON OR START IG SPD II (UPPER RIGHT SIDE OF DASH) J/C 10 (UPPER LEFT END OF DASH) J/C 13 (LEFT SIDE OF DASH) J/C 17 (UPPER RIGHT END OF DASH) J/C 6 (LEFT KICK PANEL) J/C 7 (LEFT KICK PANEL) ORG/ WIRE PPS ECU (BEHIND LEFT SIDE OF DASH) PPS SOLENOID (AT LEFT FRONT OF ENGINE) PPS SOLENOID (AT RIGHT FRONT OF ENGINE) RED WIRE RED/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 3 9 18 SIG CPUB 3 12 2 CLTS CLTE CLTB 3 15 2 AUTO HEAD TAIL 9 19 HRLY HEADLIGHTS SYSTEM AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BDR BLK WIRE BLK/ WHT WIRE BLK/RED WIRE BLU/BLK WIRE BLU/ORG WIRE BODY ECU 2 (IN DRIVER SIDE J/B) COMPUTER DATA LINES SYSTEM CTY CTYE D FR DOOR FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EB (LEFT FRONT STRUT TOWER) EB (RIGHT FRONT STRUT TOWER) ECU-IG FUSE ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GRD GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HEADLIGHT SWITCH HOT AT ALL TIMES HOT IN RUN OR START II (UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR J/C 10 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 14 (LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR J/C 19 (ABOVE LEFT REAR WHEEL- WELL) JUNCTION CONNECTOR J/C 20 (LEFT REAR WHEELWELL) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 7 (LEFT KICK PANEL) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT SIDE MARKER LIGHT LEFT LICENSE PLATE LIGHT LEFT PARKING LIGHT MPX-B FUSE ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT SIDE MARKER LIGHT RIGHT LICENSE PLATE LIGHT RIGHT PARKING LIGHT STOP FUSE STOPLIGHT SWITCH (BRAKE PEDAL BRACKET) TAIL HEAD AUTO OFF VIO/RED WIRE WHT WIRE WHT/BLK WIRE

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

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

+ECU 1 16 9 18 BDR MSWE MR+ MR- 1 9 18 BDR MR+ MR- 2 12 3 1 7 8 10 13 16 SIG PVC CPUB VSSR PM+R PMVR HSSR 6 7 8 MIRE MIRS MIRB 9 15 14 4 2 12 3 1 7 8 10 13 16 PNK WIRE BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BODY ECU 1 BODY ECU 2 BRN WIRE BRN/BLK WIRE BRN/WHT WIRE BSUB COMPUTER DATA LINES SYSTEM D FR FUSE DMHR DOWN SELECT SWITCH LH DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVING POSITION MEMORY SWITCH DVC ECU-IG FUSE ENGINE ROOM R/B 1 (RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) FUSE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN RUN OR ACCY HSR II (UPPER RIGHT SIDE OF DASH) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 15 (LEFT SIDE OF DASH) J/C 17 (UPPER RIGHT SIDE OF DASH) J/C 6 (LEFT KICK PANEL) J/C 7 (LEFT KICK PANEL) LEFT LEFT REMOTE CONTROL MIRROR LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MEM 2 PNK MEM 1 WIRE MIRROR RETRACTION SWITCH MM SIG GND CPUB VSSR DM+R DMVR HSSR OPERATION SWITCH ORG/ WIRE P FR FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PMHR PNK/BLK WIRE PNK/GRN WIRE PVC RADIO 2 FUSE RED WIRE RED/GRN WIRE REMOTE CONTROL MIRROR SWITCH RET RIGHT RIGHT REMOTE CONTROL MIRROR SET- VIO WIRE VSR WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 ECUE IG VC GND ECUB BDR BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BODY ECU 1 BODY ECU 2 COMBINATION SWITCH COMPUTER DATA LINES SYSTEM D FR FUSE DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE ROOM NO.1 R/B (ON RIGHT SIDE OF ENG COMPT, BEHIND STRUT TOWER) FUSE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY OR RUN J/C 10 (LEFT SIDE OF DASH) J/C 13 (LEFT SIDE OF DASH) J/C 15 (BEHIND LEFT SIDE OF DASH) J/C 6 (BEHIND LEFT KICK PANEL) J/C 7 (BEHIND LEFT KICK PANEL) MSW P-P/SEAT FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) POWER TELESCOPIC MOTOR POWER TILT MOTOR RADIO 2 FUSE RED/BLU WIRE SIG CPUB GND TELESCO LONG TELESCO SHORT TILT DOWN TILT UP TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) TILT, TELESCOPIC SWITCH TIM- TIM+ TEM- TEM+ WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE