Lexus LS III facelift (2003-2006) gauge fuse Wiring diagrams

1 2 4 SHB SHFL SGF 2 3 1 SHRL SHB SHG 22 23 21 24 19 SHFL 3 1 7 8 2 BAT 3 2 1 SHB SHRL SHG 3 2 1 SHG SHRR SHB ABS IG FUSE AFS OFF IND AFS OFF SWITCH BLK WIRE BLK/RED WIRE BLU (OR VIO/GRN) WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER DOME FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) FUSE GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) IK (AT RIGHT SIDE OF DASH) J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) J/C 17 (BEHIND UPPER CENTER OF DASH) LEFT REAR HEIGHT CONTROL SENSOR (LEFT REAR OF LUGGAGE COMPT) LT GRN WIRE LT GRN/BLK (OR VIO/YEL) WIRE LT GRN/BLK WIRE LT GRN/RED (OR BLK) WIRE LT GRN/RED WIRE ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK SHRR WIRE PNK WIRE PNK/BLU WIRE REAR HEIGHT CONTROL SENSOR (UNDER CENTER REAR OF VEHICLE) RED WIRE RIGHT END OF DASH) RIGHT REAR HEIGHT CONTROL SENSOR (RIGHT SIDE OF LUGGAGE COMPT) SHORT CONNECTOR SHRL SPEEDO- METER STEERING SENSOR (INSIDE TOP OF STEERING COLUMN) VIO WIRE VIO/GRN WIRE VIO/YEL WIRE W/ ELECTRONIC MODULATED AIR SUSPENSION W/O ELECTRONIC MODULATED AIR SUSPENSION WHT WIRE WHT/BLK WIRE YEL WIRE

3 2 1 BAT ESS IG 5 4 3 2 1 IG ABS IG FUSE ABS IND. BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BRAKE IND BRN WIRE BUZZER CANH CANL GND COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE (AT RIGHT KICK PANEL) DRIVER SIDE J/B DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) STPI ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM 1 R/B FR-IG (ON LEFT FRONT OF FUSE ENGINE COMPT, BEHIND HEADLIGHT) FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE HOT AT ALL TIMES IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) JUNCTION CONNECTOR 1, 2 (LEFT FRONT OF ENGINE COMPT) JUNCTION CONNECTOR 12, 13 JUNCTION CONNECTOR 16, 17 (BEHIND UPPER CENTER OF DASH) MULTI-DISPLAY ORG/ WIRE PASSENGER SIDE J/B RED WIRE SLIP IND SPEEDOMETER STEERING SENSOR (INSIDE TOP OF STEERING COLUMN) STOP FUSE STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) STPA TRAC OFF IND VSC WARNING BUZZER (BEHIND LOWER LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YAW RATE SENSOR (BELOW REAR OF CENTER CONSOLE) YEL WIRE

+B MPX- TSRR 1 2 GND 1 3 8 GND MPX+ MPX- 1 9 3 21 4 30 GND IG 13 11 16 17 18 19 20 5 MPX- RMGV SMOK AUTO RHR RFR FRS SG 2 1 GND IG 6 5 4 14 HIC MPX-B MPX-IG P-GND A/C AMPLIFIER (IN LUGGAGE COMPT) A/C CONTROL ASSEMBLY AIR PURIFIER LIGHT AUDIO, REAR A/C CONTROL SWITCH B+ GND BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM COOL BOX ILLUMINATION 1 3 2 DOME FUSE DRIVER SIDE J/B A/C FUSE (AT LEFT KICK PANEL) FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HEATER CONTROL SWITCH (CENTER CLUSTER INTEGRATION PANEL) (W/O NAVIGATION) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IK (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR JUNCTION CONNECTOR 10 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 14, 15 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 16, 17 (BEHIND LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE LUG J/B FUSE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX-IG FUSE MULTI-DISPLAY ORG/ WIRE P-ACC FUSE P-IG FUSE PASSENGER SIDE J/B PNK WIRE REAR BLOWER RESISTOR REAR DAMPER SERVO MOTOR (REAR CENTER OF LUGGAGE COMP) REAR MAGNETIC VALVE REAR OF LUGGAGE COMPT) RED WIRE RED/BLU WIRE RHR RR A/C FUSE RR ECU-B FUSE SMOKE SENSOR (CENTER REAR OF VEHICLE) TX- TX+ VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

9 7 5 15 16 ILE FSPT CSPT LCTY RCTY AIR BAG BLK WIRE BLU WIRE BLU/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CTY DOME FUSE DOOR DOOR IND DRIVER SIDE J/B (AT LEFT KICK PANEL) FUSE GAUGE FUSE GRN WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY CYLINDER LIGHT (TRANSPONDER KEY AMPLIFIER) IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) IK (AT RIGHT SIDE OF DASH) II (AT RIGHT SIDE OF SHIFT LEVER) J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) LED LEFT FRONT STEP LIGHT LEFT FRONT VANITY LIGHT LEFT REAR INTERIOR LIGHT LEFT REAR STEP LIGHT LEFT REAR VANITY LIGHT MPX MPX-B OVERHEAD J/B (AT FRONT OF ROOF OPENING) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) RED WIRE RED/BLU WIRE RIGHT FRONT STEP LIGHT RIGHT FRONT VANITY LIGHT RIGHT REAR INTERIOR LIGHT RIGHT REAR STEP LIGHT RIGHT REAR VANITY LIGHT SECURITY FUSE VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE

2 7 SR BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DOME FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) EE (ON RIGHT CYLINDER HEAD) EF (ON LEFT CYLINDER HEAD) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) EOIL OIL SLT- SLT+ FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE RED WIRE RED/WHT WIRE SHIELD SHIELD 1 2 4 5 6 28 29 22 23 M- M+ SLU- SLU+ SPEEDOMETER THROTTLE POSITION SENSOR, MOTOR (ON THROTTLE BODY) TRANSMISSIONS SYSTEM VEHICLE SPEED SENSOR (ON TRANSMISSION) VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

ABS-IG FUSE (AT LEFT KICK PANEL) BLK/RED WIRE BLU/BLK WIRE BLU/YEL WIRE COMBINATION METER DOME FUSE DRIVER SIDE J/B FUSE GAUGE FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START IG SPD GND IH (AT RIGHT SIDE OF SHIFT LEVER) 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 (BEHIND UPPER CENTER OF DASH) PASSENGER SIDE J/B PPS ECU (RIGHT SIDE OF DASH) PPS SOLENOID (ON LEFT FRONT OF ENGINE COMPT) RED WIRE SOL- SOL+ SPEEDOMETER VIO/WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 PNK WIRE ABSORBER CONTROL SWITCH AFS ECU (RIGHT SIDE OF DASH) AIR SUS RELAY AIRSUS FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (AT LEFT KICK PANEL) STOP FUSE DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) STPI EA (AT RIGHT RADIATOR SIDE SUPPORT) EB (UNDER FUSIBLE LINK BLOCK) FRONT HEIGHT CONTROL VALVE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPARTMENT) GAUGE FUSE GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE HEIGHT CONTROL EXHAUST VALVE HEIGHT CONTROL SWITCH HOT AT ALL TIMES HOT IN ON OR START II (AT RIGHT RADIATOR SIDE SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) IK (AT RIGHT SIDE OF DASH) J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 14 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) LH - LT GRN/BLK WIRE LUGGAGE ROOM J/B REAR HEIGHT CONTROL VALVE ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE RED/BLK WIRE RED/WHT WIRE RH- RM+ SBF SGF SHFL SHORT CONNECTOR (RIGHT END OF DASH) SHRL SOLID STATE STOP LIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) TEMS SPORT IND VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

13 2 10 12 1 MPX- MPX+ BUBS BLK WIRE BLK/WHT WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE COMBINATION METER DOME FUSE FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HIGH MOUNTED STOP LIGHT HOT AT ALL TIMES HOT IN ON OR START DRIVER SIDE J/B (AT LEFT KICK PANEL) II (AT RIGHT SIDE OF SHIFT LEVER) IH (AT RIGHT SIDE OF SHIFT LEVER) J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPT LID) JC-23 LCE LP FUSE LEFT LICENSE PLATE LIGHT RIGHT LICENSE PLATE LIGHT LEFT REAR COMBINATION LIGHT LUG J/B FUSE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU P-GND PASSENGER SIDE J/B PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE RED WIRE RIGHT REAR COMBINATION LIGHT SIDE MARKER LAMP STOP, TAIL LAMP STOP, TAIL LAMP SIDE MARKER LAMP TAIL IND (CANADA) TURN LAMP VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

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

BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE C/ OPN RELAY DOME FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) EC (LEFT RADIATOR SIDE SUPPORT) EFI 1 FUSE EFI MAIN RELAY ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) F/ PMP RELAY FUEL PUMP RESISTOR (LEFT REAR OF ENGINE COMPT) FUEL PUMP, FUEL SENDER (UNDER LEFT REAR OF VEHICLE) FUSE GAUGE FUSE GRN/BLK WIRE GRN/ORG WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 1, J/C 2 (LEFT FRONT ENGINE COMPT) J/C 23 (REARWARD OF LEFT REAR FENDER- WELL) J/C 7 (BELOW ENGINE ROOM J/B 1) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE RED WIRE RED/BLK WIRE SHORT CONNECTOR STPI VSV (CANISTER CLOSED VALVE) (ON RIGHT SIDE OF ENGINE COMPT) VSV (PRESSURE SWITCHING VALVE) (BELOW RIGHT REAR OF VEHICLE) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE