Lexus GS II facelift (2000-2004) j/c 13 (behind left side of dash) Wiring diagrams

1 2 M+ M- 3 4 1 GAS IG GND 3.0L 4.3L A/C AMBIENT TEMPERATURE SENSOR (NEAR TOP LEFT SIDE OF RADIATOR SUPPORT) A/C COMP RELAY A/C CONDENSER FAN MOTOR (IN FRONT LEFT SIDE OF RADIATOR) A/C MAGNETIC CLUTCH, LOCK SENSOR (ON A/C COMPRESSOR) AIR MIX CONTROL SERVO MOTOR (FRONT PASSENGER SIDE) (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER MOTOR CONTROLLER (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU 1 BRN WIRE DASH HARN, BEHIND COMBINATION METER) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) IGN FUSE ED (REAR SIDE OF INTAKE MANIFOLD) ED (REAR OF LEFT CYL HEAD) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) ENGINE ROOM R/B 3 (ON LEFT SIDE OF ENGINE COMPARTMENT, FRONT OF STRUT TOWER) EXHAUST GAS SENSOR (AT LEFT FRONT OF ENGINE COMPARTMENT) FAN 2 RELAY FAN 3 RELAY GND SI B+ 2 3 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HTR RELAY IG (UPPER LEFT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 14 (BEHIND LEFT SIDE OF DASH) J/C 17 (UPPER RIGHT SIDE OF DASH) J/C 2 (IN ECU BOX) J/C 26 (IN ECU BOX) LT GRN/RED WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE R/B (BEHIND RIGHT KICK PANEL) RADIATOR FAN MOTOR (LEFT FRONT OF ENGINE COMPT) RDI FAN FUSE CDS FAN FUSE RED WIRE RED/BLU WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL 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

A/C COMP RELAY A/C CONDENSER FAN MOTOR (ON FRONT LEFT SIDE OF RADIATOR) A/C CONTROL ASSEMBLY MPX+ A/C SINGLE PRESSURE SWITCH A/C TRIPLE PRESSURE SWITCH (AT UPPER LEFT RADIATOR SUPPORT) ACMG AIR CONDITIONING SYSTEM BLK WIRE BLK/ORG WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE CDS FAN FUSE RDI FAN FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EB (LEFT FRONT STRUT TOWER) EE (UNDER ABS/ TRAC/VSC ACTUATOR) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE MAIN RELAY 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) FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FAN MAIN FUSE GRN/YEL WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HTR RELAY IG (UPPER LEFT SIDE OF DASH) IGN FUSE J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 14 (BEHIND LEFT SIDE OF DASH) J/C 5 (IN ENGINE ROOM R/B 2) ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RADIATOR FAN MOTOR (AT LEFT FRONT ENGINE COMPT) RED WIRE RED/BLU WIRE WATER TEMPERATURE SWITCH (AT FRONT OF ENGINE COMPT, BEHIND LEFT SIDE OF GRILLE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE

A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) ALT FUSE BLK WIRE BLK/ WHT WIRE BLU WIRE BODY ECU 1 DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM RELAY BLOCK 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) HEATER FUSE HOT AT ALL TIMES HOT IN ON 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 UPPER RIGHT SIDE OF DASH) J/C 6 (LEFT KICK PANEL) LEFT REMOTE CONTROL MIRROR HEATER MIR HTR FUSE MIR HTR RELAY RED/ WHT WIRE RED/BLU WIRE RIGHT REMOTE CONTROL MIRROR HEATER WHT RED/ WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK 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

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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 -B BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER DOME FUSE DRIVER'S SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM R/B 1 (RIGHT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) GATEWAY ECU (W/O NAVIGATION) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IH (RIGHT SIDE OF INSTRUMENT PANEL BRACE) INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 28 (ABOVE RIGHT REAR WHEELWELL) JUNCTION CONNECTOR 18 (BEHIND RIGHT KICK PANEL) MULTI-DISPLAY (W/ NAVIGATION) MUTE R+ L+ NCA WIRE PASSENGER'S SIDE J/B (BEHIND RIGHT KICK PANEL) PNK 12 13 WIRE PNK TX- WIRE R- L- GND RADIO FUSE 1 RADIO FUSE 2 RADIO, PLAYER RED WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BODY ECU 1 DEF RELAY (IN PASSENGER SIDE RELAY BLOCK) DEFOG FUSE DEFOGGER DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START II (UPPER RIGHT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) NOISE FILTER PASSENGER SIDE JUNCTION BLOCK (BEHIND RIGHT KICK PANEL) REAR WINDOW DEFOGGER RED WIRE RED/BLU WIRE WHT WIRE WHT/BLK WIRE

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

1 5 19 GSWO KSW 1 8 IG BECU 14 15 CTYE CTY 2 3 9 12 SIG CPUB 3 15 GSW 8 1 11 BECU IG GND BDR BJ (UNDER LEFT C-PILLAR) BL (CENTER OF REAR SHELF) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BODY ECU 1 BODY ECU 2 BSUB BUZZER CENTER AIRBAG SENSOR ASSEMBLY (BEHIND CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DBKL GND DRIVER DOOR ECU DRIVER'S SIDE JUNCTION BLOCK ECU-IG FUSE ENGINE ROOM R/B 1 FSR+ FSR- FUSE FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES D FR FUSE HOT IN ACC OR RUN HOT IN RUN OR START II (UPPER RIGHT SIDE OF DASH) INSTRUMENT PANEL JUNCTION BLOCK J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 15 (BEHIND LEFT SIDE OF DASH) J/C 17 (UPPER RIGHT END OF DASH) J/C 23 (UNDER LEFT FRONT SEAT) J/C 24 (UNDER RIGHT FRONT SEAT) J/C 6 (LEFT KICK PANEL) J/C 7 (LEFT KICK PANEL) J/C 9 LEFT BUCKLE SWITCH LEFT FRONT DOOR COURTESY SWITCH ORG/ WIRE PASSENGER SIDE J/B PASSENGER SIDE SEAT BELT WARNING LIGHT (IN CLOCK) RADIO 2 FUSE RBE+ RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RIGHT BUCKLE SWITCH, SEAT BELT WARNING OCCUPANT DETECTION SENSOR SEAT BELT IND SEAT BELT WARNING OCCUPANT DETECTION SENSOR RIGHT BUCKLE SWITCH UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE