Lexus GS II facelift (2000-2004) body ecu 2 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

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

3.0L A/C CONTROL ASSEMBLY ABS, TRAC, VSC ECU BLOWER MOTOR CONTROLLER BODY ECU 1 BODY ECU 2 BRAKE FLUID LEVEL WARNING SWITCH CD AUTOMATIC CHANGER CENTER AIRBAG SENSOR ASSEMBLY FRONT WIPER MOTOR CIGARETTE LIGHTER CLOCK COMBINATION METER II (UPPER RIGHT SIDE OF DASH) COMPASS DASH HARN, BEHIND COMBINATION METER) DRIVER'S SIDE JUNCTION BLOCK (BEHIND LOWER LEFT END OF DASH) ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH FAN 2 RELAY FAN 3 RELAY FROM FROM JUNCTION CONNECTOR J/C 10 (DIAGRAM 2 OF 4) FRONT PASSENGER DOOR ECU GARAGE DOOR OPENER GATEWAY ECU GLOVE BOX LIGHT SWITCH HAZARD SWITCH IG (UPPER LEFT SIDE OF DASH) IG RELAY IH (RIGHT SIDE OF INSTRUMENT PANEL BRACE) INNER MIRROR INSTRUMENT PANEL JUNCTION BLOCK (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT REAR INTERIOR LIGHT LEFT VANITY LIGHT MIRROR RETRACTION SWITCH MOON ROOF CONTROL ECU MOON ROOF CONTROL SWITCH MULTI-DISPLAY NOISE FILTER PASSENGER SIDE JUNCTION BLOCK (BEHIND RIGHT KICK PANEL) PERSONAL LIGHT PLAYER RADIO RIGHT MIRROR HEATER RIGHT REAR INTERIOR LIGHT RIGHT VANITY LIGHT STEREO COMPONENT AMPLIFIER VSC OFF SWITCH POWER OUTLET WHT/BLK WIRE

4.3L 5 12 11 4 GTX+ GTX- 5 16 MPX+ MPX- A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU 1 BODY ECU 2 BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY (BEHIND CENTER OF DASH) COMBINATION METER DRIVER DOOR ECU DRIVER SIDE J/B ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) FRONT PASSENGER DOOR ECU GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) LEFT REAR DOOR ECU MOON ROOF CONTROL ECU (FRONT OF MOON ROOF OPENING) MULTI-DISPLAY ORG/ WIRE PASSENGER SIDE J/B POWER SEAT ECU (UNDER DRIVER'S SEAT) RADIO, PLAYER RED/BLU WIRE RIGHT REAR DOOR ECU STEERING PAD SWITCH TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) W/ MEMORY W/ NAVIGATION W/O MEMORY W/O NAVIGATION WHT WIRE YEL 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

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

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 12 3 7 8 16 SIG GND CPUB PM+R PMVR PMHR 6 7 8 MIRE MIRS MIRB BDR BLK/RED WIRE BLU/BLK WIRE BLU/ORG WIRE BODY ECU 1 BODY ECU 2 BRN/BLK WIRE BSUB COMPUTER DATA LINES SYSTEM D FR DOOR FUSE DOWN DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) GRN WIRE GRN/WHT WIRE GRY WIRE GSW GSWO HOT AT ALL TIMES HOT IN ON OR START HOT IN RUN OR ACCY 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 MPX-B FUSE OPERATION SWITCH ORG/ WIRE P FR DOOR FUSE PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RADIO 2 FUSE REMOTE CONTROL MIRROR SWITCH RIGHT RIGHT REMOTE CONTROL MIRROR SELECT SWITCH LH SIG GND CPUB DM+R DMVR DMHR VIO WIRE WHT WIRE WHT/BLK 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