Lexus LS II (1994-2000) (open) Wiring diagrams

1 2 3 4 GND SG GAS IG A.C SINGLE PRESSURE SWITCH (LEFT SIDE OF RADIATOR GRILLE) A/C AMBIENT TEMPERATURE SENSOR (CENTER FRONT OF ENGINE COMPARTMENT) A/C EVAPORATOR TEMP. SENSOR (TOP RIGHT CENTER OF DASH) A/C FUSE A/C MAGNETIC CLUTCH (LEFT SIDE OF ENGINE) A/C ROOM TEMP. SENSOR (LEFT SIDE OF DASH) A/C SOLAR SENSOR (TOP RIGHT SIDE OF DASH) BLK WIRE BLK/ WHT WIRE BLK/ORG WIRE BLOWER CONTROLLER (BEHIND RIGHT SIDE OF DASH) BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER J/B (BEHIND COMBINATION METER) COMBINATION METER DRIVER SIDE J/B (LEFT KICK PANEL) DUCT SENSOR (DRIVER SIDE) (LEFT SIDE OF DASH) DUCT SENSOR (FRONT PASSENGER SIDE) (TOP RIGHT SIDE OF DASH) ENGINE COOLANT TEMPERATURE SWITCH (NEAR LEFT HEADLIGHT) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPARTMENT) RDI FAN FUSE EXHAUST GAS SENSOR (LEFT SIDE OF RADIATOR GRILLE) FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) HEATER FUSE GRN/ WHT WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE HEATER FUSE HEATER RELAY HOT AT ALL TIMES HOT IN ON OR START IN LINE DIODE INSTRUMENT PANEL J/B (REAR OF PARKING BRAKE RELEASE LEVER) J/C 10 (LOWER RIGHT SIDE OF DASH) J/C 13 (TOP CENTER OF DASH) J/C 3 (RIGHT KICK PANEL) LT GRN RED/ WIRE LT GRN/RED WIRE MG CLT RELAY PNK/BLU WIRE RAD FAN NO.1 RELAY RAD FAN NO.2 RELAY R/B 6 (UNDER LEFT HEADLIGHT) RADIATOR FAN MOTOR, RESISTOR (CENTER FRONT OF ENGINE COMPARTMENT) RED WIRE RED/ LT GRN WIRE RED/ WHT WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SHUT WATER VALVE SERVO MOTOR (TOP LEFT SIDE OF DASH, RIGHT OF STEERING COLUMN) WHT RED/ WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL BLU/ WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

7 6 5 4 3 2 1 +B BDR BECU TKUL MPX- BLK WIRE BLU RED/ WIRE BLU/BLK WIRE BLU/RED WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMPUTER DATA LINES SYSTEM CTYE CTY D FR DOOR FUSE DOME FUSE DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GRD GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HORN HRLY TRLY SH HORNS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN RUN OR START INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 9 (RIGHT KICK PANEL) KEYLESS BUZZER (AT LEFT REAR CORNER OF ENGINE COMPT) KEYLESS BUZZER ON/OFF SWITCH KL KEYE KUL BDR A+ A- LSWE LSW ML MUL PWE LEFT FRONT DOOR KEY LOCK/ UNLOCK SWITCH LEFT FRONT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LOCK LT GRN WIRE LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH MPX+ KSW HDCY MPX-B FUSE PNK PWS IND ACAN BZR WIRE PNK WIRE PNK/BLU WIRE PWR-IG FUSE RADIO 2 FUSE RDA RCO RED WIRE RED/BLU WIRE RED/YEL WIRE SIG CPUB GRD SIG RDA RCO HAZ THEFT DETERRENT HORN (AT RIGHT REAR CORNER OF ENGINE COMPT) TO CENTER JUNCTION BLOCK (DIAGRAM 2 OF 2) UNLK VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE WIRELESS DOOR LOCK CONTROL ECU (BEHIND RIGHT SIDE OF DASH) YEL WIRE YEL/RED WIRE

18 8 19 17 1 13 14 25 15 9 4 5 CTYE CTY LSWE LSW A+ A- BDR GRD CPUB SIG A- A+ LSW LSWE CTY CTYE DLE MUL ML BLK WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMPUTER DATA LINES SYSTEM CPUB SIG BDR KUL KEYE KL GRD CTYE CTY LSWE LSW A+ A- BDR CPUB SIG GRD GRD D RR DOOR FUSE P RR DOOR FUSE ENGINE HOOD COURTESY SWITCH (ENGINE COMPARTMENT) FROM ENGINE ROOM JUNCTION BLOCK (DIAGRAM 1 OF 2) FROM INSTRUMENT PANEL JUNCTION BLOCK (DIAGRAM 1 OF 2) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER (BEHIND LEFT SIDE OF DASH) P FR DOOR FUSE INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 16 (BEHIND CENTER AIR VENTS) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LOCK LOCK NOT USED LT GRN WIRE PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) PNK WIRE RED/BLU WIRE RHEOSTAT (SECURITY INDICATOR LIGHT) RIGHT FRONT DOOR KEY LOCK/ UNLOCK SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) SYSTEM ENGINE CONTROLS UNLK UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/RED WIRE VIO/YEL WIRE WHT/BLK WIRE YEL WIRE

7 6 5 4 3 2 1 +B BDR CTYB CYL LSWE LSW BLK WIRE BLK/RED WIRE BLU RED/ WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMPUTER DATA LINES SYSTEM CTYE CTY D FR DOOR FUSE DIODE (RIGHT REAR INTERIOR LIGHT) (NEAR BASE OF RIGHT C-PILLAR) DOME FUSE DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) EXTERIOR LIGHTS SYSTEM (HIGH MOUNTED STOPLIGHT) FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GRD GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN RUN OR START INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 9 (RIGHT KICK PANEL) LEFT FRONT DOOR COURTESY LIGHT LUGGAGE COMPARTMENT LIGHT MPX-B FUSE PPL/GRN WIRE PPL/RED WIRE PPL/WHT WIRE PPL/YEL WIRE PWR-IG FUSE RADIO 2 FUSE RDA RCO RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT REAR DOOR COURTESY LIGHT RIGHT REAR INTERIOR LIGHT RIGHT REAR PERSONAL LIGHT SIG CPUB GRD TO CENTER JUNCTION BLOCK (DIAGRAM 3 OF 3) TO CENTER JUNCTION BLOCK (DIAGRAM 3 OF 3) PPL/ UNLK WHT/BLK WIRE WIRELESS DOOR LOCK CONTROL ECU (BEHIND RIGHT SIDE OF DASH) YEL WIRE

BLK WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMPUTER DATA LINES SYSTEM CPUB SIG BDR KUL KEYE KL GRD CTYB CYL LSW LSWE CTY CTYE CTYE CTY LSWE LSW RRLP CTYB CYL BDR CPUB SIG GRD GRD D RR DOOR FUSE P RR DOOR FUSE FROM ENGINE ROOM JUNCTION BLOCK (DIAGRAM 2 OF 3) FROM INSTRUMENT PANEL JUNCTION BLOCK (DIAGRAM 2 OF 3) GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER (BEHIND LEFT SIDE OF DASH) P FR DOOR FUSE INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) LEFT REAR DOOR COURTESY LIGHT LEFT REAR DOOR ECU (IN LEFT REAR DOOR LOCK LT GRN WIRE PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) PPL/GRN WIRE PPL/YEL WIRE RED/BLU WIRE RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT DOOR KEY LOCK/ UNLOCK SWITCH RIGHT REAR DOOR COURTESY LIGHT RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) UNLK WHT/BLK WIRE YEL WIRE

7 6 5 4 3 2 1 +B BDR BECU TKUL MPX- BLK WIRE BLU RED/ WIRE BLU/BLK WIRE BLU/RED WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMPUTER DATA LINES SYSTEM CTYE CTY D FR DOOR FUSE DOME FUSE DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GRD GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HORN HRLY TRLY SH HORNS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN RUN OR START INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 9 (RIGHT KICK PANEL) KEYLESS BUZZER (AT LEFT REAR CORNER OF ENGINE COMPT) KEYLESS BUZZER ON/OFF SWITCH KL KEYE KUL BDR A+ A- LSWE LSW ML MUL PWE LEFT FRONT DOOR KEY LOCK/ UNLOCK SWITCH LEFT FRONT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LOCK LT GRN WIRE LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH MPX+ KSW HDCY MPX-B FUSE PNK PWS IND ACAN BZR WIRE PNK WIRE PNK/BLU WIRE PPL/GRN WIRE PPL/RED WIRE PPL/YEL WIRE PWR-IG FUSE RADIO 2 FUSE RDA RCO RED WIRE RED/BLU WIRE RED/YEL WIRE SIG CPUB GRD SIG RDA RCO HAZ THEFT DETERRENT HORN (AT RIGHT REAR CORNER OF ENGINE COMPT) TO CENTER JUNCTION BLOCK (DIAGRAM 2 OF 2) TO CENTER JUNCTION BLOCK (DIAGRAM 2 OF 2) PPL/ UNLK WHT WIRE WHT/BLK WIRE WHT/RED WIRE WIRELESS DOOR LOCK CONTROL ECU (BEHIND RIGHT SIDE OF DASH) YEL WIRE YEL/RED WIRE

18 8 19 17 1 13 14 25 15 9 4 5 CTYE CTY LSWE LSW A+ A- BDR GRD CPUB SIG A- A+ LSW LSWE CTY CTYE DLE MUL ML BLK WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMPUTER DATA LINES SYSTEM CPUB SIG BDR KUL KEYE KL GRD CTYE CTY LSWE LSW A+ A- BDR CPUB SIG GRD GRD D RR DOOR FUSE P RR DOOR FUSE ENGINE HOOD COURTESY SWITCH (ENGINE COMPARTMENT) FROM ENGINE ROOM JUNCTION BLOCK (DIAGRAM 1 OF 2) FROM INSTRUMENT PANEL JUNCTION BLOCK (DIAGRAM 1 OF 2) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER (BEHIND LEFT SIDE OF DASH) P FR DOOR FUSE INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 16 (BEHIND CENTER AIR VENTS) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LOCK LOCK NOT USED LT GRN WIRE PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) PNK WIRE PPL PPL/RED WIRE PPL/YEL WIRE RED/BLU WIRE RHEOSTAT (SECURITY INDICATOR LIGHT) RIGHT FRONT DOOR KEY LOCK/ UNLOCK SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) SYSTEM ENGINE CONTROLS UNLK UNLK PPL UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BUS - CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) CLOSE CLOSE OPEN UP DOWN DRIVER DOOR ECU FRONT PASSENGER DOOR ECU GRN WIRE GRN/BLK WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (AT REAR OF PARKING BRAKE RELEASE LEVER) MOON ROOF CONTROL RELAY (IN FRONT OF MOON ROOF OPENING) MOON ROOF CONTROL SWITCH POWER FUSE POWER SEAT ECU PWR-IG FUSE REAR DOOR ECU (LEFT) REAR DOOR ECU (RIGHT) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) W/ MEMORY W/O MEMORY WHT WIRE WHT/BLK WIRE YEL WIRE

7 6 5 4 3 2 1 +B BDR BECU MPX- BLK WIRE BLK/WHT WIRE BLU RED/ WIRE BLU/BLK WIRE BLU/RED WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMPUTER DATA LINES SYSTEM CTYE CTY SGRD PLS LMT AUTO MUP MDN D FR DOOR FUSE DOME FUSE DOWN DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FRONT POWER WINDOW MASTER SWITCH FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GRD GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HORN HRLY TRLY HORNS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN RUN OR START INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 9 (RIGHT KICK PANEL) KL KEYE KUL BDR ML MUL PWE UP DN LEFT FRONT DOOR KEY LOCK/ UNLOCK SWITCH LOCK LR (-) RR (-) MPX MPX-B FUSE PNK PNK WIRE PNK PWS WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PPL PPL/WHT WIRE PPL/YEL WIRE PWR-IG FUSE RADIO 2 FUSE RDA RCO RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RF LF SIG CPUB GRD SIG RDA RCO HAZ TO CENTER JUNCTION BLOCK (DIAGRAM 2 OF 3) TO CENTER JUNCTION BLOCK (DIAGRAM 2 OF 3) PPL/ UNLK WHT WIRE WHT/BLK WIRE WHT/RED WIRE WINDOW LOCK SWITCH WIRELESS DOOR LOCK CONTROL ECU (BEHIND RIGHT SIDE OF DASH) WLSW YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMPUTER DATA LINES SYSTEM CTY CTYE PWE AUTO MDN MUP D RR DOOR FUSE P RR DOOR FUSE FROM ENGINE ROOM JUNCTION BLOCK (DIAGRAM 1 OF 3) FROM INSTRUMENT PANEL JUNCTION BLOCK (DIAGRAM 1 OF 3) FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) LEFT FRONT POWER WINDOW MOTOR LIMIT LOCK LT GRN WIRE P FR DOOR FUSE PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) PPL PPL/YEL WIRE PULSE PULSE LIMIT RED/BLU WIRE RIGHT FRONT DOOR KEY LOCK/ UNLOCK SWITCH RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT POWER WINDOW MOTOR SGRD LMT PLS DN UP CPUB SIG BDR KUL KEYE KL GRD UNLK UP DN DN WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE