Lexus LS III facelift (2003-2006) engine room 1 r/b (on left front of engine compt, behind headlight) Wiring diagrams

ALT FUSIBLE LINK ALT-S FUSIBLE LINK BATTERY BATTERY GROUND BLK WIRE BLU WIRE CAHL CHARGE INDICATOR COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FR IG FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPARTMENT) GAUGE FUSE GENERATOR GRY/BLK WIRE HOT IN ON OR START IH (AT RIGHT SIDE OF SHIFT LEVER) JUNCTION CONNECTOR 1, 2 (LEFT FRONT OF ENGINE COMPT) JUNCTION CONNECTOR 16, 17 (BEHIND UPPER CENTER OF DASH) NCA WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C CONTROL ASSEMBLY A/C FUSE SIDE J/B (AT LEFT KICK PANEL) BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE COOLING FAN ECU (ON FRONT CENTER OF ENGINE COMPT, ON RADIATOR SUPPORT) ED (AT TOP LEFT OF DASH) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE COOLANT TEMPERATURE SENSOR (ON FRONT CENTER OF ENGINE) ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FAN FUSE FAN RELAY FR IG FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG +B GND IK (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR 1 (LEFT FRONT OF ENGINE COMPT) JUNCTION CONNECTOR 14, 15 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 3 (LEFT FRONT OF ENGINE COMPT) JUNCTION CONNECTOR 7 (BELOW ENGINE ROOM 1 J/B, ENGINE ROOM 1 R/B) LT GRN WIRE LT GRN/RED WIRE P-ACC FUSE P-IG FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) RED WIRE RED/BLU WIRE RFC SHORT CONNECTOR WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

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

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

BLK WIRE BLU/YEL WIRE DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) 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 FHOR GRN/BLK WIRE GRN/WHT WIRE HORH HORL HORN (HIGH) (ON CENTER RADIATOR SUPPORT) HORN (LOW) (ON CENTER RADIATOR SUPPORT) HORN FUSE HORN SWITCH (COMBINATION SWITCH) +B HOT AT ALL TIMES MPX RED/BLU WIRE SECURITY FUSE VIO/GRN WIRE

+SM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 S/S +2 1 2 3 4 5 6 7 8 9 10 AIR BAG WIP BACK BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE COMPUTER DATA LINES SYSTEM CSPT DRIVER SIDE J/B (AT LEFT KICK PANEL) ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FSPT FUSE GRN WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON OR START WIP FUSE IGNITION SWITCH II (AT RIGHT SIDE OF SHIFT LEVER) IK (AT RIGHT SIDE OF DASH) INSTRUMENT CLUSTER SYSTEM LCTY RCTY SNOW PWR RRSW LOCK OFF LT BLU WIRE LT GRN WIRE MEMORY SYSTEMS MPX MPX-B B/ANC GND MPX-IG NAVIGATION SYSTEM P B/ANC FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PASSIVE RESTRAINT SYSTEM PBIL PBM+ PBM- BKLL PIND PNK WIRE RED/BLU WIRE RED/WHT WIRE RUN WIRE SUPPLEMENTAL RESTRAINTS SYSTEM TRANSMISSIONS SYSTEM VIO WIRE VIO/WHT WIRE WARNING SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM YEL 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