Lexus LS III facelift (2003-2006) front controller Wiring diagrams

BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE COMBINATION METER COMBINATION SWITCH IG CRAL CRAR SIDR DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B (AT LEFT KICK PANEL) MPX-IG FUSE DRIVER SIDE J/B ECU STPI EA (AT RIGHT RADIATOR SIDE SUPPORT) EA (AT RIGHT RADIATOR SIDE SUPPORT) EC (AT LEFT RADIATOR SIDE SUPPORT) EC (AT LEFT RADIATOR SIDE SUPPORT) ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER FTAIL FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE HAZ FUSE HAZARD SWITCH HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B (AT LEFT KICK PANEL) STOP FUSE HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) HOT IN ON OR START IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) LEFT FRONT PARKING LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT TURN SIGNAL LIGHT RIGHT FRONT TURN SIGNAL LIGHT LEFT TURN SIGNAL IND ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RED WIRE RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT PARKING LIGHT RIGHT TURN SIGNAL IND SIDL STOPLIGHT SWITCH TURN LH TURN RH HAZ VIO WIRE VIO/GRN WIRE W/ COMPASS W/O COMPASS WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU/ORG WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (AT LEFT KICK PANEL) ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FR FOG FUSE ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FHHI HORH HORL FHOR SIDR SIDL HLHR FMIG FRONT CONTROLLER FUSE FWAS CRAR CRAL FTAIL FRWA GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE H-LP HI FUSE HEADLIGHTS SYSTEM HLHL GND WLVL HORN FUSE HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) MPX-IG FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE TAIL FUSE VIO WIRE VIO/GRN WIRE WASHER FUSE WHT/BLK WIRE WIPER/WASHER SYSTEM

3 2 1 ES MPX SIG 31 26 12 30 15 MPX IG 6 4 26 31 32 FWAS W+ WLVL 9 1 2 S/M S/S +2 PNK WIRE AIR BAG BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EC (AT LEFT RADIATOR SIDE SUPPORT) ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER FRONT WIPER MOTOR (BELOW LEFT SIDE OF WINDSHIELD) FUSE HOT AT ALL TIMES HOT IN ON OR START J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 7 (BELOW ENGINE ROOM 1 J/B, ENGINE ROOM 1 R/B) LT GRN WIRE LT GRN/RED WIRE OVERHEAD J/B (AT FRONT OF ROOF OPENING) P-IG FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) PNK 3 1 9 10 WIRE PNK 3 WIRE PNK WIRE PNK/BLU WIRE RAIN SENSOR (NEAR TOP CENTER OF WINDSHIELD) RED WIRE RED/BLK WIRE RED/BLU WIRE VIO WIRE VIO/GRN WIRE WASHER FUSE WASHER LEVEL SENSOR (ON WASHER FLUID RESERVOIR, BELOW LEFT HEADLIGHT) WASHER MOTOR (ON WASHER FLUID RESERVOIR, BELOW LEFT HEADLIGHT) WHT WIRE WIP WIP FUSE

AFS ECU (RIGHT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) EA (AT RIGHT RADIATOR SIDE SUPPORT) EC (AT LEFT RADIATOR SIDE SUPPORT) ENGINE ROOM 1 J/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) ENGINE ROOM 1 R/B ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FHHL HLHL HLHR FFOG FOGL FOGR FRONT CONTROLLER FRONT FOG IND FUSE GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GRN WIRE GRY WIRE H-LP HI FUSE FR FOG FUSE H-LP L LWR FUSE H-LP R LWR FUSE HEAD IND (USA) HEAD LP RELAY HIGH BEAM IND HOT AT ALL TIMES HOT IN ON OR START II (AT RIGHT SIDE OF SHIFT LEVER) JUNCTION CONNECTOR 10 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 12 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 16, 17 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 36, 41 (CENTER OF DASH) LEFT FRONT FOG LIGHT LEFT HEADLIGHT CONTROL ECU (BEHIND LEFT HEADLIGHT) LEFT HIGH BEAM HEADLIGHT LT GRN WIRE MAIN FUSIBLE LINK PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT CONTROL ECU (BEHIND RIGHT HEADLIGHT) RIGHT HIGH BEAM HEADLIGHT VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 IG PB HDLO BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE COMBINATION SWITCH DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) EC (AT LEFT RADIATOR SIDE SUPPORT) ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FR IG FUSE FRONT CONTROLLER H-LP CLN FUSE HDCL HDLO HEAD HEADLIGHT CLEANER CONTROL RELAY (BEHIND LEFT HEADLIGHT) HEADLIGHT CLEANER MOTOR (BELOW LEFT HEADLIGHT) HEADLIGHT CLEANER SWITCH HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) J/C 1, 2 (LEFT FRONT OF ENGINE COMPT) LIGHT CONTROL SWITCH OFF HEAD PNK FRWA WIRE RED WIRE RED/BLK WIRE TAIL WHT WIRE WHT/BLK WIRE

13 10 MPX- BUBS 2 3 LPSW TKUL 7 15 16 HRLY 9 15 13 14 31 32 FTAL FHOR HORH HORL BLK WIRE BLK/WHT WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU EC (AT LEFT RADIATOR SIDE SUPPORT) ENGINE HOOD COURTESY SWITCH (NEAR HOOD LATCH, ON FRONT CENTER OF ENGINE COMPT) ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GND B+ GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HAZ FUSE HDCY HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HIC HORN TAIL FUSE FUSE HORNS SYSTEM COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES IG (AT LEFT SIDE OF DASH) INNER LUGGAGE OSCILLATOR (LEFT REAR OF LUGGAGE COMPT) J/C 10, 11 J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPARTMENT LID) JC-23 KSW PUSH LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LUG J/B FUSE LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH (IN LUGGAGE COMPT) LUGGAGE COMPARTMENT DOOR OPENER SWITCH LUGGAGE ELECTRICAL KEY SWITCH (IN LUGGAGE COMPT DECKLID) LUGGAGE ROOM J/B LUGGAGE ROOM J/B ECU MPX-B P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE STEERING LOCK ECU (LEFT SIDE OF DASH) TSW UNLOCK WARNING SWITCH VIO WIRE VIO/GRN WIRE VIO/YEL WIRE W/ COMPASS W/O COMPASS WHT WIRE WHT/BLK WIRE YEL WIRE

+SL -SL +SR -SR 1 2 3 4 ESL SSL- SSL+ VUPL 2 4 MPX+ MPX- 3 8 MPX + MPX - A/C CONTROL ASSEMBLY AFS ECU (RIGHT SIDE OF DASH) AIR BAG AIR BAG SQUIB (FRONT PASSENGER AIR BAG ASSEMBLY) (RIGHT SIDE OF DASH) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CENTER CLUSTER INTEGRATION PANEL COMBINATION METER DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) DBKL DRIVER SIDE J/B DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPARTMENT, BEHIND HEADLIGHT) FRONT CONTROLLER GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GRN WIRE GRY WIRE GRY/BLK WIRE HOT IN ON OR START IH (AT RIGHT SIDE OF SHIFT LEVER) JUNCTION CONNECTOR 16, 17 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 17 (BEHIND UPPER CENTER OF DASH) LEFT FRONT SIDE AIR BAG SENSOR (NEAR BASE OF LEFT "B" PILLAR) LEFT KNEE AIR BAG SQUIB (LOWER LEFT SIDE OF DASH) LT BLU WIRE MPX ORG/ WIRE PASSENGER SIDE J/B PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT KNEE AIR BAG SQUIB (LOWER RIGHT SIDE OF DASH) SIL SOLID STATE SRS IND TELEPHONE TRANSCEIVER, SPEAKER RELAY (ON LEFT SIDE OF LUGGAGE COMPT) VIO/GRN WIRE W/O LEXUS NAVIGATION SYSTEM W/ LEXUS NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/ORG WIRE YEL/PNK WIRE YEL/RED WIRE YEL/VIO WIRE

AFS ECU (RIGHT SIDE OF DASH) AIR BAG SENSOR ASSEMBLY BLK WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) COMBINATION METER CTY DOME FUSE DOOR IND DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B (AT LEFT KICK PANEL) UNLOCK WARNING SWITCH ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER FUSE GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GND PBEW GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) IJ (AT RIGHT DASH BRACE) IK (AT RIGHT SIDE OF DASH) J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) JC-23 LEFT FRONT BUCKLE SWITCH (INSIDE OF LEFT FRONT SEAT BELT BUCKLE) LT GRN WIRE ORG/ WIRE P-IG FUSE PASSENGER SEAT BELT WARNING LIGHT (CLOCK) PASSENGER SEAT BELT WARNING LIGHT (MULTI- DISPLAY) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PBEW PNK WIRE RED WIRE SEAT BELT IND THEFT DETERRENT ECU TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO WIRE VIO/GRN WIRE W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE