Lexus LS II (1994-2000) center junction block (behind instrument cluster) 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

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

BLK WIRE BLU WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) EC+ GRN WIRE GRN/RED WIRE GRN/YEL WIRE HOT IN ON OR START INSIDE REAR VIEW MIRROR INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) LEFT REMOTE CONTROL MIRROR PWR-IG FUSE RED WIRE RED/BLU WIRE RIGHT REMOTE CONTROL MIRROR WHT WIRE 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

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

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

7.5 BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) J/C 18 (UPPER RIGHT END OF DASH) J/C 5 (UPPER LEFT END OF DASH) (LEFT SIDE OF DASH) KLS+ PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PWR-IG FUSE RADIO 2 FUSE RED WIRE RED/BLU WIRE RSPD SHIFT LOCK CONTROL SWITCH SHIFT LOCK ECU (UNDER CENTER CONSOLE, NEAR SELECTOR LEVER) SHIFT LOCK SOLENOID SLS+ STOP LIGHT SWITCH STOP LP FUSE STOP-S FUSE STP DOFF VIO WIRE WHT WIRE WHT/BLK WIRE