Lexus LS II (1994-2000) instrument panel junction block Wiring diagrams

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

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

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

ACCEL POSITION SENSOR (TOP FRONT OF ENGINE) BLK WIRE BLK/ WHT WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRAIDED BRAIDED BRN WIRE DRIVER SIDE JUNCTION BLOCK EFI 1 FUSE EFI 2 FUSE EFI RELAY ENGINE COOLANT TEMPERATURE SENSOR (TOP RIGHT FRONT OF ENGINE) ENGINE ROOM JUNCTION BLOCK FUEL PUMP (IN FUEL TANK) FUEL PUMP RELAY FUEL PUMP RESISTOR (LEFT FRONT CORNER OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES CIR OPN RELAY IGN FUSE IGNITION SWITCH INSTRUMENT PANEL JUNCTION BLOCK J/C 10 (RIGHT SIDE OF DASH) LOCK ON LT GRN WIRE P/N PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE STARTER FUSE STARTING/ CHARGING SYSTEM THROTTLE POSITION SENSOR (ON THROTTLE BODY) WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

+BM 1 3 BATT SNWI FPR FC 14 16 17 18 19 20 21 22 23 24 25 26 STI- 2 3 TC STP 4 RL PNK WIRE ABS, TRAC, VSC ECU (RIGHT SIDE OF DASH) AIR CONDITIONING SYSTEM BLK RED/ WIRE BLK WIRE BLK/ GRN WIRE BLK/ WHT WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CENTER JUNCTION BLOCK CL+ SLU- SLN- SLT- OIL 13 14 15 17 CODE CRUISE CONTROL SYSTEM ELECTRONIC SUSPENSION SYSTEM ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENG ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM JUNCTION BLOCK ETCS FUSE GENERATOR GRD GRN RED/ WIRE GRN WIRE GRN/ YEL WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IGSW MREL SIL TRC+ ENG+ +B TRC- ENG- NEO IMLD EOM 4 11 INSTRUMENT PANEL JUNCTION BLOCK J/C 10 (RIGHT SIDE OF DASH) J/C 18 (RIGHT SIDE OF DASH) J/C 4 (LEFT SIDE OF DASH) J/C 5 (LEFT SIDE OF DASH) LT GRN WIRE LT GRN/ BLK WIRE LT GRN/BLK WIRE NCO NEO OCR- ORG/ WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT CAMSHAFT TIMING OIL CONTROL VALVE (TOP RIGHT FRONT OF ENG) RSPD PTNK CCS MOL RXCK SECURITY INDICATOR SHIFT LOCK ECU SIL SLU+ SLN+ SLT+ NCO- TACH STA TACHOMETER TPC PWR ACMG TRANSPONDER KEY AMPLIFIER (LEFT CENTER OF DASH) TRC+ TXCT TXCT CODE RXCK KSW LCKI TAM PRE UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VEHICLE SPEED SENSOR (ON TRANSMISSION) VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE VSV (VAPOR PRESSURE SENSOR) (LEFT FRONT CORNER OF ENGINE COMPT) WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE