Lexus LS II (1994-2000) engine room junction block Wiring diagrams

1 7 8 9 10 16 BATT +BM 5 6 22 23 TC STP PTNK CCS 7 8 9 21 30 31 M- M+ A/T INDI- CATOR SWITCH ACCEL POSITION SENSOR (TOP FRONT OF ENGINE) BLK/ WHT WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAIDED BRN WIRE CENTER JUNCTION BLOCK COMBINATION METER COMPARTMENT) COMPUTER DATA LINES SYSTEM CRUISE CRUISE CONTROL SWITCH CRUISE IND DRIVER SIDE JUNCTION BLOCK EFI 1 FUSE EFI 2 FUSE EFI RELAY ENGINE CONTROL MODULE (RIGHT SIDE OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (TOP RIGHT FRONT OF ENGINE) ENGINE ROOM JUNCTION BLOCK ETCS FUSE EVG GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IGSW MREL +B INSTRUMENT PANEL JUNCTION BLOCK IGN FUSE J/C 6 (LEFT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE MASS AIRFLOW METER (IN AIR INTAKE DUCT) PNK VPA THA WIRE PNK WIRE PNK/BLU WIRE PTNK RED WIRE RED/BLK WIRE RED/BLU WIRE RES+ SET/ COAST SOLID STATE SP 2- CL+ STOP LIGHT SWITCH STOP LP FUSE STOP-S FUSE THA THROTTLE CONTROL MOTOR, CLUTCH (LEFT FRONT OF ENG) THROTTLE POSITION SENSOR (ON THROTTLE BODY) VAPOR PRESSURE SENSOR (RIGHT SIDE OF LUGGAGE VC CL- VCC VEHICLE SPEED SENSOR (ON TRANSMISSION) VG VTA THW VIO/RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK 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

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

+B SLD+ FRV+ 1 2 3 4 5 6 7 8 9 10 11 12 13 H+ RRV- RCL- SLD- FRV- H- RRV+ RCL+ GND 1 2 3 4 5 6 7 8 9 10 11 12 MIRE BES ECUE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DOME FUSE DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) DRIVER'S POWER SEAT SWITCH DRIVER'S SEAT FRONT VERTICAL MOTOR DRIVER'S SEAT HEADREST MOTOR DRIVER'S SEAT LUMBAR MOTOR DRIVER'S SEAT REAR VERTICAL MOTOR DRIVER'S SEAT RECLINING MOTOR SHOULDER BELT ANCHOR MOTOR DRIVER'S SEAT SLIDE CONTROL MOTOR ENGINE ROOM JUNCTION BLOCK FRT VERT DOWN FRT VERT UP GND BEM- TEM+ TIM+ TEM- BEM+ GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HEAD DOWN HEAD-UP HEADREST POSITION SENSOR HOT AT ALL TIMES IG SYSB INSTRUMENT PANEL JUNCTION BLOCK PWR FUSE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LUMBAR FRONT LUMBAR REAR MIRB MIRG TES ORG/ WIRE PNK/BLU WIRE POWER SEAT ECU (UNDER DRIVER'S SEAT) REAR VERT DOWN REAR VERT UP RECLINE FRONT RECLINE REAR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SEAT FR FUSE SLIDE FRONT SLIDE REAR SSRH SSRR SSFV PVCC SGND SSRS SSRV SLDF SLDR RCLF RCLR RUP RDWN FUP FDWN HUP HDWN TILT AND TELESCOPIC UNIT TILT POSITION SENSOR (BEHIND LEFT SIDE OF DASH) TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) TIM- +B VC ECUB VCS MSW TIS VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL 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

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