Lexus LS II (1994-2000) driver side junction block (behind left kick panel) Wiring diagrams

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

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

A/C CONTROL ASSEMBLY RDFGR BLK WIRE BLU WIRE BLU/WHT WIRE DEF FUSE DEFOG RELAY DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) J/C 16 (BEHIND CENTER AIR VENTS) J/C 6 (LEFT END OF DASH) J/C 9 (RIGHT KICK PANEL) LEFT REMOTE CONTROL MIRROR LT GRN WIRE MIR HTR FUSE MIRROR HEATER REAR WINDOW DEFOGGER RED WIRE RED/WHT WIRE RIGHT REMOTE CONTROL MIRROR VIO WIRE WHT WIRE

1 2 3 4 5 6 7 8 9 10 STP SPD REG 11 12 TC TS AIR SUS FUSE AIR SUSPENSION ECU (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY COMPUTER SYSTEM BRN/RED WIRE BRN/WHT WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) DATA LINK CONNECTOR 1 (ON TOP LEFT SIDE OF ENGINE) DOME FUSE DOOR DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE CONTROLS SYSTEM GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HSW TD VH INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 18 (UPPER RIGHT END OF DASH) JUNCTION CONNECTOR J/C 5 (UPPER LEFT END OF DASH) JUNCTION CONNECTOR J/C 6 (LEFT END OF DASH) LEFT FRONT SUSPENSION CONTROL ACTUATOR (AT LEFT FRONT STRUT TOWER) LEFT REAR HEIGHT CONTROL SENSOR (UNDER LEFT REAR OF VEHICLE) LEFT REAR SUSPENSION CONTROL ACTUATOR (AT LEFT REAR STRUT TOWER) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE PNK PPL WIRE PNK WIRE PPL PPL/RED WIRE PPL/WHT WIRE PPL/YEL WIRE RED WIRE RED/ BLK WIRE RED/WHT WIRE RIGHT REAR ACCELERATION SENSOR (CENTER OF LUGGAGE COMPT) RIGHT REAR HEIGHT CONTROL SENSOR (UNDER RIGHT REAR OF VEHICLE) SHRL SHRR SBL FBL+ FAL+ RBL+ RAL+ SGFL SHFL SHFR SGL FBL- FAL- RBL- RAL- STARTING/CHARGING SYSTEM STOP FUSE STOP-S FUSE STOPLIGHT SWITCH (BRAKE PEDAL BRACKET) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE

AIR SUS RELAY AIR SUSPENSION ECU (BEHIND RIGHT SIDE OF DASH) ANTI-LOCK BRAKES SYSTEM BLK/ WHT WIRE BLU WIRE BLU/RED WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMBINATION METER DATA LINK CONNECTOR 2 (BEHIND LOWER LEFT SIDE OF DASH) DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) ENGINE ROOM RELAY BLOCK (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) FRONT HEIGHT CONTROL VALVE (AT RIGHT FRT CORNER OF ENGINE COMPT) GRD GRN/RED WIRE GRN/YEL WIRE GRY WIRE H/CTRL FUSE HEIGHT CONTROL COMPRESSOR (AT RIGHT FRONT SIDE OF ENGINE COMPT) HEIGHT CONTROL EXHAUST VALVE (AT RIGHT FRONT STRUT TOWER) HEIGHT INDIC HOT AT ALL TIMES JUNCTION CONNECTOR J/C 18 (UPPER RIGHT END OF DASH) JUNCTION CONNECTOR J/C 5 (UPPER LEFT END OF DASH) JUNCTION CONNECTOR J/C 8 (RIGHT KICK PANEL) JUNCTION CONNECTOR J/C 9 (RIGHT KICK PANEL) LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK WIRE PNK/BLU WIRE PPL PPL SGFR SGR RM- SLEX SLFL SLRL PPL/RED WIRE PPL/WHT WIRE PPL/YEL WIRE REAR HEIGHT CONTROL VALVE (UNDER RIGHT REAR OF VEHICLE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY BLOCK 6 (UNDER LEFT HEADLIGHT) RIGHT FRONT SUSPENSION CONTROL ACTUATOR (AT RIGHT FRONT STRUT TOWER) RIGHT REAR SUSPENSION CONTROL ACTUATOR (AT RIGHT REAR STRUT TOWER) SGRR SBR RM+ RC SLFR SLRR BAT +B FBR- FAR- RBR- RAR- WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

7 3 4 +B RCO RDA AUTO AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BDR BDR BECU MPX- BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN/RED WIRE BRN/WHT WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) CLTE CLTB CLTS COMPUTER DATA LINES SYSTEM CTYE CTY D FR DOOR FUSE DOME FUSE DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE HEADLIGHT SWITCH HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN RUN OR START HRLY TRLY AUTO HEAD TAIL INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 5 (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR OPEN DETECTION SWITCH LEFT FRONT SIDE MARKER LIGHT LEFT LICENSE PLATE LIGHT LEFT PARKING LIGHT LT GRN/BLK WIRE MPX MPX-B FUSE PNK/BLU WIRE PWR-IG FUSE RADIO 2 FUSE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT SIDE MARKER LIGHT RIGHT LICENSE PLATE LIGHT RIGHT PARKING LIGHT SIG CPUB GRD SIG RCO RDA HAZ TAIL HEAD TAIL AUTO OFF OFF VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK CONTROL ECU (BEHIND RIGHT SIDE OF DASH) YEL WIRE YEL/RED WIRE

7 3 4 +B RCO RDA AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BDR BDR BECU MPX- BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN/RED WIRE BRN/WHT WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) CLTE CLTB CLTS PPL COMPUTER DATA LINES SYSTEM CTYE CTY D FR DOOR FUSE DIMMER SWITCH FOGLIGHT SWITCH DIODE (DRL) (BEHIND LEFT KICK PANEL) DOME FUSE DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) FOG LIGHTS FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HEADLIGHT SWITCH HEADLIGHTS SYSTEM (HEADLIGHT BEAM LEVEL CONTROL) HIGH AUTO HIGH LOW LOW HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN RUN OR START HRLY TRLY AUTO HEAD TAIL INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 5 (UPPER LEFT END OF DASH) LEFT FRONT DOOR OPEN DETECTION SWITCH LT GRN/BLK WIRE MPX MPX-B FUSE PNK/BLU WIRE PPL PPL/BLU WIRE PPL/YEL WIRE PWR-IG FUSE RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SIG CPUB GRD SIG RCO RDA TAIL HEAD TAIL AUTO OFF OFF WHT/BLK WIRE WIPER/ WASHER SYSTEM (HEADLIGHT CLEANER SWITCH) WIRELESS DOOR LOCK CONTROL ECU (BEHIND RIGHT SIDE OF DASH) YEL WIRE

BLK WIRE BLK/RED WIRE BLU/ORG WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) COMBINATION METER DAYTIME RUNNING LIGHT RELAY 3, 4 (AT RIGHT FRONT CORNER OF ENGINE COMPT) DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) DRL 2 RELAY DRL FUSE ECU-B FUSE ECU-IG FUSE FOG LIGHT RELAY FR FOG FUSE FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) GRN/RED WIRE H-LP L LWR FUSE H-LP L UPR FUSE H-LP R UPR FUSE H-LP R LWR FUSE HEAD LP RELAY HI BEAM INDIC HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 6 (LEFT END OF DASH) JUNCTION CONNECTOR J/C 9 (RIGHT KICK PANEL) LEFT FOG LIGHT LEFT HIGH BEAM HEADLIGHT CONTROL ECU LEFT LOW, HI BEAM HEADLIGHT CONTROL ECU LT GRN WIRE MAIN DAYTIME RUNNING LIGHT RELAY (BEHIND RIGHT END OF DASH) MAIN FUSE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PNK WIRE PNK/GRN WIRE RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FOG LIGHT RIGHT HIGH BEAM HEADLIGHT CONTROL ECU RIGHT LOW, HI BEAM HEADLIGHT CONTROL ECU STARTING/CHARGING SYSTEM WHT/BLK WIRE WHT/BLU WIRE

7 3 4 +B RCO RDA AUTO AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BDR BDR BECU MPX- BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN/RED WIRE BRN/WHT WIRE CENTER JUNCTION BLOCK (BEHIND INSTRUMENT CLUSTER) CLTE CLTB CLTS PPL COMPUTER DATA LINES SYSTEM CTYE CTY D FR DOOR FUSE DIMMER SWITCH FOGLIGHT SWITCH DOME FUSE DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) FOG LIGHTS FUSE HOLDER (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HEADLIGHT SWITCH HEADLIGHTS SYSTEM (HEADLIGHT BEAM LEVEL CONTROL) (W/ HID ONLY) HIGH HIGH LOW LOW HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN RUN OR START HRLY TRLY AUTO HEAD TAIL INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 5 (UPPER LEFT END OF DASH) LEFT FRONT DOOR OPEN DETECTION SWITCH LT GRN/BLK WIRE MPX MPX-B FUSE PNK/BLU WIRE PPL PPL/BLU WIRE PPL/YEL WIRE PWR-IG FUSE RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SHORT CONNECTOR SIG CPUB GRD SIG RCO RDA TAIL HEAD TAIL AUTO OFF OFF WHT/BLK WIRE WIRELESS DOOR LOCK CONTROL ECU (BEHIND RIGHT SIDE OF DASH) YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 IG 8 7 HRLY HEAD ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN/RED WIRE BRN/WHT WIRE DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) GRN WIRE HDLP CHG- RH 2 RH 4 LH 2 LH 4 SHR SPDR SPDL SBF SGF PNK PNK WIRE HEAD LP RELAY HEADLIGHT BEAM LEVEL CONTROL ECU (BEHIND RIGHT SIDE OF DASH) HEADLIGHT SWITCH HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL JUNCTION BLOCK (AT REAR OF PARKING BRAKE RELEASE LEVER) JUNCTION CONNECTOR J/C 18 (UPPER RIGHT END OF DASH) JUNCTION CONNECTOR J/C 5 (UPPER LEFT END OF DASH) LEFT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (LEFT HEADLIGHT ASSEMBLY) LT GRN WIRE MAIN FUSE ORG/ WIRE PNK WIRE PNK/BLK WIRE PWR-IG FUSE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RH 1 RH 3 LH 1 LH 3 RIGHT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (RIGHT HEADLIGHT ASSEMBLY) RIGHT REAR HEIGHT CONTROL SENSOR (UNDER RIGHT REAR OF VEHICLE) SHF STARTING/CHARGING SYSTEM TAIL HEAD AUTO OFF VIO/GRN WIRE VIO/RED WIRE W/ AIR SUSPENSION W/O AIR SUSPENSION WHT/BLK WIRE WHT/RED WIRE WNG YEL/BLK WIRE YEL/RED WIRE