Lexus LS III facelift (2003-2006) ignition switch Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 TC CLTB 1 2 3 4 5 6 7 8 9 10 BES BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM D B/ANC FUSE DBKL BKLR DBIL PNK WIRE DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM SHIFT INTERLOCK SYSTEM FUEL TSW FUSE GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HAZ FUSE HAZ STPA STP MPX-B HDCY HDLO HRLY HEAD HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) HOT IN RUN OR START IG (AT LEFT SIDE OF DASH) IGNITION SWITCH IH (AT RIGHT SIDE OF SHIFT LEVER) INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) LOCK OFF LT GRN WIRE MIRRORS SYSTEM MPX-IG FUSE MPX-IG HAZ IG ORG/ WIRE PANEL FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PASSIVE RESTRAINT SYSTEM PNK MIND WIRE PNK/BLU WIRE R/E RET RTR MSW M+ TR+ CLTS CLTE RV HDCL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE STPO STPI TRUNK, TAILGATE, FUEL DOORS SYSTEM TURN LH GND B/ANC TURN RH VC DMB- DBM+ BU- VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WARNING SYSTEM PASSIVE RESTRAINT SYSTEM WARNING SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 CPUB 6 7 IMI IMO BLK WIRE BLK/YEL WIRE BLU/BLK WIRE CODE COMPUTER DATA LINES SYSTEM EFIO EFII FUSE GRN/YEL WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) IGNITION SWITCH IH (AT RIGHT SIDE OF SHIFT LEVER) JUNCTION CONNECTOR 10, 11 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 16, 17 (BEHIND UPPER CENTER OF DASH) LT GRN/BLK WIRE MPX ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLU WIRE RED/WHT WIRE TRANSPONDER KEY AMPLIFIER (ON RIGHT SIDE OF STEERING COLUMN) TRANSPONDER KEY COIL TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) TXCT TXCT AGND GND UNLOCK WARNING SWITCH VIO WIRE VIO/YEL WIRE WHT/BLK 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

AIR CONDITIONING, INSTRUMENT CLUSTER, NAVIGATION, SOUND SYSTEMS BANC BEHIND HEADLIGHT) BLK WIRE BLU WIRE BODY COMPUTER SYSTEMS D DOOR FUSE DOOR LOCK, INTERIOR LIGHT, ANTI-THEFT, POWER WINDOW, ENGINE CONTROLS, STARTING/ CHARGING, TRANSMISSIONS SYSTEMS ENGINE ROOM R/B 1 FROM DRIVER SIDE J/B FROM DRIVER SIDE J/B (D-ACC RELAY) (DIAGRAM 4 OF 5) FROM FUSIBLE LINK BLOCK FRONT CIGARETTE LIGHTER FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/YEL WIRE GRY WIRE HEADLIGHTS SYSTEM IGNITION SWITCH IK (AT RIGHT SIDE OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) LOCK OFF LT GRN WIRE NAVIGATION, SOUND SYSTEMS ORG/ WIRE P ACC RELAY P B/ANC FUSE P CIG FUSE P DOOR FUSE P RR-IG FUSE H-LP LVL FUSE P-ACC FUSE P-IG FUSE P S/HTR FUSE PASSENGER SIDE J/B PASSENGER SIDE J/B ECU PNK WIRE RED WIRE RED/WHT WIRE RELAY RR DOOR LH FUSE RR DOOR RH RUN WIRE SEATS SYSTEM STA FUSE (ON LEFT FRONT OF ENGINE COMPT, STARTER RELAY STARTING/ CHARGING SYSTEM TEL FUSE TO J/C 16, 17 (DIAGRAM 1 OF 5) WHT WIRE WHT/GRN WIRE

BATT FUSE BATTERY BATTERY GROUND BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE EC (AT LEFT RADIATOR SIDE SUPPORT) ENGINE COMP) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) STA ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) STA FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN/BLK WIRE IGNITION SWITCH JUNCTION CONNECTOR 33, 34 (LEFT FRONT OF JUNCTION CONNECTOR 7 (BELOW ENGINE ROOM 1 J/B, ENGINE ROOM 1 R/B) LOCK OFF NCA WIRE PARK/NEUTRAL POSITION SWITCH (ON RIGHT SIDE OF TRANSMISSION) PASSENGER SIDE J/B FUSE (AT RIGHT KICK PANEL) RED WIRE RUN WIRE ST FUSE STAR STARTER STARTER RELAY WHT/BLK WIRE

BLK WIRE BLK/YEL WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CPUB EFII ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) FUSE GATEWAY ECU (BEHIND LEFT END OF DASH) GRN/BLK WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES IGNITION SWITCH IMI IMO JUNCTION CONNECTOR 10, 11 (BEHIND UPPER CENTER OF DASH) LOCK OFF LP SEID LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLU WIRE RUN WIRE RXCK GND +B PUSH KWS EFIO SECURITY INDICATOR LIGHT (RHEOSTAT) SHIFT LOCK CONTROL ECU (BELOW SHIFT LEVER, IN CENTER CONSOLE) STEERING LOCK ECU (LEFT SIDE OF DASH) STR LOCK FUSE THEFT MPX DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) IND TRANSPONDER KEY COIL TRANSPONDER RXCK TXCT CODE GND KEY AMPLIFIER (BEHIND UPPER CENTER OF DASH) TXCT CODE AGND UNLOCK WARNING SW VIO WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

-SR -SL +SR +SL 2 1 SFR- SFR+ AIR BAG SENSOR ASSEMBLY (FRONT OF CENTER CONSOLE) AIR BAG SQUIB (STEERING WHEEL PAD) (IN STEERING WHEEL) ANTI-THEFT SYSTEM BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE BRN/WHT WIRE DK DK ESCL VUCL ESCR GRN WIRE GRN/YEL WIRE GSW PK+ PK- HOT AT ALL TIMES IGNITION SWITCH J/C 23 (REARWARD OF LEFT REAR FENDERWELL) L+ L- LEFT CURTAIN SHIELD AIR BAG ICL- ICL+ SQUIB (LEFT "C" PILLAR) LEFT SIDE AIR BAG SQUIB SFL+ SFL- (IN LEFT FRONT SEAT) LSP + OCCUPANT DETECTION SENSOR ORG/ WIRE P- P+ D+ D- PASSENGER SIDE J/B R+ ICR+ ICR- R- RR- RBE+ FSR+ RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT FRONT BUCKLE SWITCH (INSIDE OF RIGHT FRONT SEAT BELT BUCKLE) RIGHT REAR PRETENSIONER (IN RIGHT REAR DOOR) RL- RL+ SEAT POSITION AIR BAG SENSOR SIL SSL- SSR+ SSR+ SSR- SSR- ESCR ESR VUCR VUPR VIO WIRE VUCR VUPL VUCL ESL ESCL SSL- VUPR ESR WHT WIRE WHT/BLK 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

BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE EC (LEFT RADIATOR SIDE SUPPORT) EFI 2 FUSE EKNK ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) EOIL FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE FR IG FUSE IGNITION SWITCH LEFT KNOCK SENSOR (ON LEFT SIDE OF ENGINE) LOCK LT GRN WIRE MOL NT- OIL OIL PRESSURE SWITCH (LOWER LEFT FRONT OF ENGINE) P/N RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT KNOCK SENSOR (ON RIGHT SIDE OF ENGINE) SLT- SLU+ ST FUSE STA FUSE STAR STARTER RELAY TURBINE SPEED SENSOR (IN TRANSMISSION) VEHICLE SPEED SENSOR (ON TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE