Lexus LS III facelift (2003-2006) ii (at right side of shift lever) Wiring diagrams

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

16, 17 (BEHIND UPPER CENTER OF DASH) 3 2 1 +B SI GND 6 16 5 15 TXS+ TXS- TX+ TX- A/C CONTROL ASSEMBLY A/C FUSE A/C PRESSURE SENSOR (ON LEFT FRONT OF ENGINE COMPT) A/C ROOM TEMPERATURE SWITCH (DRIVER'S SIDE) A/C ROOM TEMPERATURE SWITCH (FRONT PASSENGER'S SIDE) A/C SOLAR SENSOR (FRONT) (BEHIND UPPER CENTER OF DASH) COMPRESSOR ASSEMBLY A/C SOLAR SENSOR (REAR) (IF EQUIPPED) (NEAR CENTER OF REAR BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND LOWER RIGHT SIDE OF DASH) BLU WIRE BLU/YEL WIRE CLOCK (W/O NAVIGATION) INSTRUMENT PANEL REGISTER COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DGS TSRR DOME FUSE DOWN DRIVER SIDE J/B DUAL DUIND+ DRGND PAGND DUIND- EB (UNDER FUSIBLE LINK BLOCK) FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) HEATER FUSE GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE (AT LEFT KICK PANEL) GND TC MPX+ MPX- GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GTX+ GTX- HEATER CONTROL SWITCH (CENTER CLUSTER INTEGRATION PANEL) (W/O NAVIGATION) HEATER CONTROL SWITCH (MULTI-DISPLAY) (W/ NAVIGATION) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START II (AT RIGHT SIDE OF SHIFT LEVER) IND JUNCTION CONNECTOR JUNCTION CONNECTOR 14, 15 (BEHIND UPPER CENTER OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MPX- BLW SOL+ SOL- RDFGR IG MPX-IG FUSE MULTI-DISPLAY ORG/ WIRE P-ACC FUSE P-IG FUSE P/SB PASSENGER SIDE J/B PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PRS TAMOUT PADN PAUP DRDN DRUP RADIO, PLAYER RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SPEAKER SHELF, AT BASE OF REAR WINDOW) SPEEDOMETER COMBINATION METER 4 5 1 9 3 8 IG+ TAMO TSDR TSPA +B TSL TSR VIO WIRE VIO/RED WIRE VIO/WHT WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

+BM 1 2 M+ M- 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) DRIVER SIDE J/B GAUGE FUSE (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 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 12,13 (BEHIND UPPER CENTER OF DASH) J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) J/C 3, 4 (LEFT FRONT OF ENGINE COMPT) MULTI-DISPLAY PASSENGER SIDE J/B PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE SHIELD SHIELD 4 5 6 28 29 22 23 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 WHT/GRN WIRE YEL WIRE YEL/BLK 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

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

11 25 CANH CANL 2 3 CANL CANH 24 25 CANL CANH 3 13 10 2 PNK MPX MPX- BUBS MPX+ WIRE 8 7 CANL CANH 9 10 CANL CANH 9 8 CANL CANH AFS ECU (RIGHT SIDE OF DASH) AIR SUSPENSION ECU (IF EQUIPPED) (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU WIRE BO (AT RIGHT REAR QUARTER- PANEL) BRN WIRE CLEARANCE SONAR ECU (W/ NAVIGATION) (ON LEFT SIDE OF LUGGAGE COMPARTMENT) COMBINATION SWITCH DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) 14 6 7 CANL CANH SIL DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SEAT ECU (BELOW LEFT SIDE OF DRIVER'S SEAT) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) GRN WIRE IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) J/C 29 (REARWARD OF RIGHT REAR FENDERWELL) J/C 31 (W/ REAR POWER SEAT) (BEHIND LEFT REAR SEAT BACK) J/C 36, 37, 38, 39 40, 41, 42, 43 (CENTER OF DASH) J/C 44, 45, 46, 47, 48 (RIGHT SIDE OF DASH) J/C 49, 50, 51 (W/ NAVIGATION SYSTEM) (RIGHT REAR OF VEHICLE) LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REAR SEAT ECU (BEHIND LEFT SIDE OF REAR SEAT BACK) LT GRN WIRE LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK M+ WIRE PNK WIRE PNK/BLU WIRE POWER SEAT CONTROL SWITCH (REAR SEAT) (LEFT SIDE OF REAR SEAT) POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RED WIRE RED/BLU WIRE STEERING LOCK ECU (W/ SMART KEY SYSTEM) (LEFT SIDE OF DASH) STEERING SENSOR (INSIDE TOP OF STEERING COLUMN) TELEVISION CAMERA ECU (RIGHT REAR OF LUGGAGE COMPT) THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) TRANSPONDER KEY COMPUTER (W/O SMART KEY SYSTEM) (BEHIND UPPER CENTER OF DASH) VIO WIRE VIO/GRN WIRE W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YAW RATE SENSOR (BELOW REAR OF CENTER CONSOLE) YEL 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

1 2 3 4 +5 RSSI GND DATA 1 3 5 +B 3 4 5 GND 6 7 8 RSSI DATA +5 AIR BAG SENSOR ASSEMBLY (FRONT OF CENTER CONSOLE) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BO (AT RIGHT REAR QUARTERPANEL) BRN WIRE BRN/RED WIRE BRN/WHT WIRE CNSL COMPUTER DATA LINES SYSTEM D-ACC FUSE DOOR LOCK CONTROL RECEIVER (INNER MIRROR) (RIGHT REAR OF LUGGAGE COMPT) DOOR LOCK CONTROL RECEIVER (RIGHT REAR OF LUGGAGE COMPT) DRIVER SIDE J/B (AT LEFT KICK PANEL) FRONT ROOM OSCILLATOR (IN CENTER CONSOLE) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GSW GSW RDA RSSI HOT AT ALL TIMES HOT IN ON OR ACC 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) IND BZR J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 28, 29 (REARWARD OF RIGHT REAR FENDERWELL) J/C 30 KEYLESS BUZZER ON/OFF SWITCH LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MPX ORG/ WIRE OUTER LUGGAGE OSCILLATOR (BEHIND RIGHT SIDE OF REAR BUMPER) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE PNK/BLU WIRE RCO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SECURITY FUSE SECURITY INDICATOR LIGHT (RHEOSTAT) SEID SH- BZRG IG SMART KEY SYSTEM CANCEL SWITCH THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) THEFT DETERRENT HORN (ON RIGHT REAR OF ENGINE COMPT) VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE