Lexus GS II facelift (2000-2004) ii (upper right side of dash) 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 HORN TR+ 1 2 3 IG SH HR BSUB PWS 10 11 12 NOT USED GRD NOT USED 3 18 9 CPUB 7 8 NOT USED BECU BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BODY ECU NO. 1 (IN PASSENGER SIDE J/B) BZR CPUB DATA LINK CONNECTOR 3 DIODE (LUGGAGE COMPARTMENT DOOR OPEN DETECT SWITCH) DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE HOOD COURTESY SWITCH FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) FUSE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HAZARD SWITCH HCTY LGCY HORN RELAY LUGGAGE COMPARTMENT DOOR COURTESY SWITCH AND OPENER MOTOR HOT AT ALL TIMES HOT IN ACC OR RUN II (UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR J/C 13 (LEFT SIDE OF DASH) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MIR RELAY DFG MOON ROOF CONTROL ECU ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PKB IND PWR SNOW HAZ PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE POWER SEAT ECU (UNDER DRIVER'S SEAT) RADIO NO. 2 FUSE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) RSSI RCO RDA RET SECURITY INDICATOR (RHEOSTAT) TKUL TSW PBKL VIO WIRE VIO/GRN WIRE VIO/YEL WIRE W/ MEMORY SEAT W/O MEMORY SEAT WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WIRELESS DOOR LOCK BUZZER WIRELESS DOOR LOCK BUZZER YEL/BLK WIRE

+B +BM MREL STI- IGSW 1 2 4 5 6 7 13 14 17 EOM EC BATT 3 4 13 20 26 27 31 32 33 34 35 TC STP A/T INDICATOR LIGHT SWITCH ACCEL PEDAL POSITION SENSOR (BEHIND LEFT SIDE OF DASH) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND DRIVER SIDE J/B DRIVER SIDE JUNCTION BLOCK EC (REAR OF RIGHT CYLINDER HEAD) ED (REAR OF LEFT CYLINDER HEAD) EE (UNDER ABS/TRAC/ VSC ACTUATOR) EFI RELAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM RELAY BLOCK 1 EPTK VPTK CCS ETA VC ETCS FUSE EFI FUSE GAUGE FUSE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE II (UPPER RIGHT SIDE OF DASH) J/C 11 (LEFT SIDE OF DASH) J/C 14 (BEHIND LEFT SIDE OF DASH) J/C 17 (BEHIND RIGHT SIDE OF DASH) J/C 26 (IN ECU BOX) J/C 27 (BEHIND LEFT KICK PANEL) J/C 3 (IN ECU BOX) J/C 4 J/C 4 (IN ECU BOX) J/C 5 (IN ENGINE ROOM RELAY BLOCK 2) J/C 7 (BEHIND LEFT KICK PANEL) J/C 9 (BEHIND LEFT SIDE OF DASH) M- M+ MAIN ORG/ WIRE PNK/BLK WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE RES+ SET/ COAST SHIELD STOP FUSE STOPLIGHT SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE CONTROL MOTOR (ON THROTTLE BODY) THROTTLE POSITION SENSOR (ON THROTTLE BODY) VIO WIRE VIO/YEL WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

+IG 3.0L 4 3 TS TC 4.3L 5 25 WA D/G ABS, TRAC, VSC ECU (BEHIND LEFT SIDE OF DASH) ANTI-LOCK BRAKE SYSTEM (ABS SOL RELAY) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) BRN (OR WHT/BLK) WIRE BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY (BEHIND CENTER OF DASH) CG SG COMBINATION METER DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) DRIVER SIDE J/B ED (REAR SIDE OF INTAKE MANIFOLD) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE CONTROLS SYSTEM (EFI RELAY) GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES IGNITOR (LEFT REAR OF ENGINE COMPT, TAC II (UPPER RIGHT SIDE OF DASH) J/C 1 (IN ECU BOX) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 14 (BEHIND LEFT SIDE OF DASH) LT GRN/BLK WIRE NCA WIRE OBD FUSE PASSENGER SIDE J/B PNK WIRE PNK/BLK (OR PNK) WIRE PNK/BLK WIRE SHORT PIN SIL TACH TC +B WB DATA LINK CONNECTOR 1 (LEFT SIDE OF ENGINE COMPT, BEHIND ECU BOX) WFSE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WSFE BAT

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

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

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

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAIDED BRAIDED 20 21 BRAIDED BRAIDED 22 23 BRAIDED BRAIDED 24 25 BRN WIRE ED (REAR SIDE OF INTAKE MANIFOLD) ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE COOLANT TEMPERATURE SENSOR (ON TOP LEFT FRONT OF ENGINE) FUEL INJ 1 FUEL INJ 2 FUEL INJ 3 FUEL INJ 4 FUEL INJ 5 FUEL INJ 6 GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HEATED OXYGEN SENSOR (BANK 2 SENSOR 1) (ON EXHAUST SYSTEM, NEAR CATALYTIC CONV) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (ON EXHAUST SYSTEM, NEAR CATALYTIC CONV) II (UPPER RIGHT SIDE OF DASH) MASS AIRFLOW (MAF) METER (ON RIGHT SIDE OF ENGINE COMPT, IN AIR INTAKE DUCT) PWR RED WIRE RED/BLU WIRE SNOW THA VSV (ACIS) (ON TOP RIGHT REAR OF ENGINE) VSV (CANISTER CLOSED VALVE) (ON RIGHT SIDE OF ENGINE) VSV (EVAP) (ON TOP REAR OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE