Lexus LS II (1994-2000) body ecu (behind left side of dash) Wiring diagrams

A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) ALT FUSIBLE LINK ALT-S FUSE BATTERY BATTERY GROUND BLK WIRE BLK/RED WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) CHARGE WARNING LIGHT COMB- INATION METER DOOR LOCKS SYSTEM DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) GAUGE FUSE ECU-IG FUSE GENERATOR IGNITION SWITCH INSTRUMENT PANEL JUNCTION BLOCK (REAR OF PARKING BRAKE RELEASE LEVER) J/C 5 (LEFT SIDE OF DASH) J/C 6 (LEFT SIDE OF DASH) MAIN FUSIBLE LINK MPX MULTI-DISPLAY NCA WIRE OFF PNK RL (+) WIRE PNK WIRE PNK/ MPX+ WIRE PNK/BLU WIRE RED WIRE SOLID STATE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

BDR BECU MPX- BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIODE (LEFT REAR INTERIOR LIGHT) (NEAR BASE OF LEFT C-PILLAR) DIODE (MPX BODY 1) (AT LEFT SIDE OF TRUNK, ABOVE WHEELWELL) DIODE (MPX BODY 2) (AT LEFT SIDE OF TRUNK, ABOVE WHEELWELL) DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) FRONT PERSONAL LIGHT GRN/WHT WIRE GRY WIRE IGNITION KEY CYLINDER LIGHT JUNCTION CONNECTOR J/C 17 (UNDER LEFT REAR SEAT) LEFT REAR DOOR COURTESY LIGHT LEFT REAR INTERIOR LIGHT LEFT REAR PERSONAL LIGHT LEFT STEP LIGHT LEFT VANITY LIGHT LGCY LUGGAGE COMPARTMENT LIGHT SWITCH (LUGGAGE COMPARTMENT) MPX NOISE FILTER (LEFT REAR INTERIOR LIGHT) (NEAR BASE OF LEFT C-PILLAR) PNK/BLU WIRE PPL/GRN WIRE PPL/RED WIRE PPL/WHT WIRE PPL/YEL WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT STEP LIGHT RIGHT VANITY LIGHT SIG RDA RCO WHT/BLK WIRE YEL WIRE

2 3 TC RV A/C SYSTEM ABS IND. ANTI-LOCK BRAKE SYSTEM ANTI-LOCK BRAKE SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKE SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKE SYSTEM BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRAKE IND CENTER JUNCTION BLOCK CHARGE IND COMBINATION METER CRUISE IND DASH HARN, BEHIND COMBINATION METER) DOME FUSE DRIVER'S SIDE JUNCTION BLOCK ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE SWITCH (LEFT FRONT OF ENGINE) ENGINE ROOM JUNCTION BLOCK FRONT PAD WEAR INDICATOR FUEL GAUGE FUEL IND FUEL SENDER (IN FUEL TANK) GAUGE FUSE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HEAD IND (USA) HEADLIGHT SYSTEM HEIGHT IND HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT PANEL JUNCTION BLOCK J/C 5 (UPPER LEFT END OF DASH) LEFT TURN IND LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MPX-B FUSE MULTI-DISPLAY NAVIGATION, ELECTRONIC SUSPENSION SYSTEMS (SPEED SIG) NVM ODO/TRIP ODOMETER/ TRIPMETER ORG/ WIRE PNK/BLU WIRE PWR IND REAR PAD WEAR INDICATOR RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RESET+ RHEOSTAT RIGHT TURN IND SEAT BELT IND SLIP IND SNOW IND SOLID STATE SPEEDOMETER SRS IND STEERING CONTROL SWITCH TACHO- METER TAIL IND TRIP SWITCH VIO WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE VSC OFF IND WARNING SYSTEM WASHER LEVEL SWITCH (LEFT FRONT OF ENGINE COMPT) WATER TEMP GAUGE WHT WIRE WHT/BLK WIRE WHT/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 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

1 16 BDR MSWE 14 20 MPX+ 16 15 10 MPX- GND 2 3 9 18 1 7 8 10 13 16 SIG CPUB 6 1 BECU BDR 8 14 15 DVC CTYE CTY 9 15 14 4 2 3 5 6 18 1 7 8 10 13 16 PNK WIRE BDR BLK WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMPUTER DATA LINES SYSTEM D FR DOOR FUSE P FR DOOR FUSE DASH HARN, BEHIND COMBINATION METER) DMHR DOWN DOWN UP DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) DRIVER'S SHOULDER BELT ADJUST SWITCH DRIVING POSITION AND MEMORY CONTROL SWITCH ENGINE ROOM JUNCTION BLOCK FRONT DOOR OPEN DETECTION SWITCH FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HSRL INSTRUMENT PANEL JUNCTION BLOCK LEFT LEFT REMOTE CONTROL MIRROR LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MM SIG CPUB DSDN DSUP MPX-B FUSE NO 2 PNK WIRE NO. 1 OPERATION SWITCH ORG/ WIRE PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) PMHR PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PVC PWR-IG FUSE RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE REMOTE CONTROL MIRROR SWITCH RIGHT RIGHT REMOTE CONTROL MIRROR SELECT SWITCH LH SET- SIG VIO WIRE VIO/YEL WIRE VSRL VSSR DMFR DMVR HSSR VSSR PM+R PMVR HSSR WHT WIRE 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

1 2 3 4 5 6 7 8 9 10 11 12 PL- PL+ 1 2 3 4 5 6 7 8 9 10 11 12 SFR- SFR+ 11 5 DATA LINK CONNECTOR 1 (ON TOP LEFT SIDE OF ENGINE) AIRBAG SENSOR ASSEMBLY (BEHIND FRONT OF CENTER CONSOLE) AIRBAG SQUIB (FRONT PASSENGER AIRBAG ASSEMBLY) AIRBAG SQUIB (STEERING WHEEL PAD) BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CENTER J/B (BEHIND INSTRUMENT CLUSTER) COMBINATION METER DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) DOME FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ESL FR CIG FUSE FSR SSR GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN OR ACC HOT IN RUN OR START IGN FUSE INSTRUMENT PANEL J/B (AT REAR OF PARKING BRAKE RELEASE LEVER) LA GSW LEFT SIDE AIRBAG SENSOR (BASE OF LEFT "B" PILLAR) LEFT SIDE AIRBAG SQUIB LEFT SIDE PRETENSIONER LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE P+ P- SIL D- D+ PNK VUPR WIRE PNK WIRE PPL/BLU WIRE PR+ PR- ESR RED WIRE RIGHT SIDE AIRBAG SENSOR (BASE OF RIGHT "B" PILLAR) RIGHT SIDE AIRBAG SQUIB RIGHT SIDE PRETENSIONER SFL+ SFL- VUPL SPIRAL CABLE SRS WARNING INDICATOR SSL FSL VIO WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 6 10 15 BDR PBKL BECU 14 15 CTYE CTY 2 3 9 12 18 SIG CPUB 3 14 20 KSW MPX+ BDR BLK WIRE BLU/RED WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CENTER J/B COMBINATION METER COMPUTER DATA LINES D FR DOOR FUSE DBKL DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE JUNCTION BLOCK (LEFT KICK PANEL) ENGINE ROOM JUNCTION BLOCK FRONT PASSENGER'S SEAT BELT WARNING LIGHT FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GAUGE FUSE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN RUN OR START INSTRUMENT PANEL JUNCTION BLOCK J/C 12 (UPPER CENTER OF DASH) J/C 5 (LEFT SIDE OF DASH) J/C 6 (LEFT SIDE OF DASH) JC-17 LEFT BUCKLE SWITCH LEFT FRONT DOOR OPEN DETECTION SWITCH MPX-B FUSE PNK WIRE PNK/BLU WIRE PWR-IG FUSE RADIO NO. 2 FUSE RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT BUCKLE SWITCH SEAT BELT IND SEAT BELT WARNING OCCUPANT DETECTION SENSOR SIG SOLID STATE UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VIO/YEL WIRE W/O NAVI- GATION WHT/BLK WHT/BLK WHT/BLK WIRE WHT/BLK WIRE YEL WIRE

6 18 8 1 16 9 +1 BLU WIRE BLU/RED WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) COMBINATION SWITCH GRN/BLK WIRE GRN/ORG WIRE GRN/YEL WIRE HOT IN ON OR START INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) INTERMITTENT TIME CONTROL SWITCH J/C 6 (LEFT END OF DASH) LO HI LT GRN WIRE LT GRN/RED WIRE OFF INT ON MIST SWITCH ON WASHER SWITCH WASHER FUSE WASHER MOTOR (AT LEFT FRONT CORNER OF ENGINE COMPT) WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WIG +2 S/M S/S WIPER FUSE WIPER MOTOR (ON LEFT SIDE OF FIREWALL) WIPER SWITCH LO HI