Lexus LS III facelift (2003-2006) ig (at left side of dash) 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

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

ABS IG FUSE ACCELERATION SENSOR AIRSUS FUSE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTROL ACTUATOR CONTROL SENSOR DRIVER SIDE J/B (AT LEFT KICK PANEL) EC (AT LEFT RADIATOR SIDE SUPPORT) ERL ERR FAL+ FBL- RM+ RM- GGND GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT IN ON OR START IG (AT LEFT SIDE OF DASH) J/C 17 (BEHIND UPPER CENTER OF DASH) J/C 18 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 28, 29 (REARWARD OF RIGHT REAR FENDERWELL) J/C 30 (REARWARD RIGHT REAR OF FENDERWELL) LEFT REAR HEIGHT LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE PNK VH WIRE PNK WIRE PNK/BLU WIRE RAL+ RAR+ RAR+ RAR- RBR+ RBR- RAL+ RAL- RBL+ RBL- RBL- RBR- RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR HEIGHT CONTROL SENSOR (RIGHT REAR OF LUGGAGE COMPT) SGFR SGRR SHRR SGFL SHRL PNK WIRE SHB SHFL SHFR SHG SHRL SHRR SIL TD HSW SLFR SLFL STEERING SENSOR VGS VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE VT GND SLEX RC CANH CANL WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED 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

10 13 2 BUBS MPX- MPX+ 10 5 7 8 BU+ MPX-B 2 13 14 CLTB CLTS CLTE 7 15 HRLY AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER CENTER OF DASH) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/YEL WIRE BRN WIRE CLTB CLTE CLTS COMBINATION SWITCH COMPUTER DATA LINES SYSTEM 25 11 28 10 CANL CANH PKB LBL DATA RSSI DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) CTY DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU FUSE GRN WIRE GRN/ORG WIRE HEAD HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) II (AT RIGHT SIDE OF SHIFT LEVER) JUNCTION CONNECTOR 13 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 14, 15 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 7 (BELOW ENGINE ROOM 1 J/B, ENGINE ROOM 1 R/B) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX-IG MPX-IG FUSE OF DASH) ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT END OF DASH, ON PARKING BRAKE MECHANISM) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE PNK/GRN WIRE POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RCO RDA RSSI RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE STEERING LOCK ECU (LEFT SIDE OF DASH) THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE W/ SMART KEY W/O SMART KEY WHT WIRE WHT/BLK WIRE YEL WIRE

5 25 LED- ASH+ 6 17 1 26 BDR 6 26 1 17 BDR ANTI-THEFT SYSTEM ASH- BDR BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLU WIRE BN (AT RIGHT REAR FLOOR PARTITION PANEL) CLEARANCE SONAR SWITCH (OUTER MIRROR SWITCH) (W/ PARKING ASSIST) COIN BOX ILLUMI- NATION COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) DRIVING POSITION MEMORY SWITCH FRONT PASSENGER DOOR ECU FUSE GRN WIRE GRN/ORG WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) IR (UNDER RIGHT FRONT SEAT) J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 22 (REARWARD OF LEFT REAR FENDERWELL) J/C 27 JC-21 LED LEFT FRONT INSIDE HANDLE ILLUMINATION LEFT REAR ASHTRAY ILLUMINATION LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REAR INSIDE HANDLE ILLUMINATION LEFT REAR SEAT MEMORY SWITCH LP SEID LT BLU WIRE MPX-IG FUSE P DOOR FUSE PANEL FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) D DOOR FUSE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH (OUTER MIRROR SWITCH) RHEOSTAT (LEFT SIDE OF DASH) RIGHT FRONT INSIDE HANDLE ILLUMINATION RIGHT REAR ASHTRAY ILLUMINATION RIGHT REAR DOOR ECU (INSIDE RIGHT REAR DOOR) RIGHT REAR INSIDE HANDLE ILLUMINATION RR DOOR LH FUSE RR DOOR RH FUSE TC RV TR+ VIO WIRE VIO/GRN WIRE W/ REAR POWER SEAT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

2 1 3 PNK WIRE 29 21 20 9 28 8 19 30 MM PNK WIRE 5 14 13 VC 5 14 6 VC VC 5 4 6 17 1 SIG CPUB BDR 6 4 5 26 1 BDR CPUB SIG 7 8 9 10 11 19 R/E RET RTR MSW M+ MIND 8 19 27 ML MUL DLE BL (AT LEFT REAR FLOOR J/C 21 PARTITION PANEL) (FORWARD OF LEFT REAR FENDERWELL) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN/RED WIRE BRN/WHT WIRE COM COM M+R COMPUTER DATA LINES SYSTEM D DOOR FUSE DATA DOOR LOCK CONTROL RECEIVER (INNER MIRROR) (RIGHT REAR OF LUGGAGE COMPARTMENT) DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU DRIVING POSITION MEMORY SWITCH ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, IN PROTECTIVE CASE) ENGINE CONTROLS SYSTEM FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE H- HTR- HOT AT ALL TIMES HOT IN ON OR START HSR HSSR HSSR HTR IG (AT LEFT SIDE OF DASH) IR (UNDER RIGHT FRONT SEAT) J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) L+ LP LEFT FRONT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LEFT REMOTE CONTROL MIRROR LEFT/RIGHT MOTOR LT BLU WIRE LT GRN WIRE MF MR MH MHR MHR ML MUL MMRY MPX-B MPX-IG FUSE MPX-IG GND MR MR+ MR- MSWE ML MUL PWE MV MVR MVR OUTER FOOT LIGHT OUTER MIRROR SWITCH P DOOR FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RCO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RETRACTABLE MOTOR RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT REMOTE CONTROL MIRROR RSSI SENSOR SENSOR HSR THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) UP/DOWN MOTOR VIO WIRE VIO/GRN WIRE VIO/YEL WIRE VSR VSR VSSR VSSR WHT WIRE WHT/BLK WIRE WHT/RED WIRE 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

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

A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) RDFGR BLK WIRE DEFOG FUSE DEFOG RELAY DRIVER SIDE J/B (AT LEFT KICK PANEL) ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPARTMENT, BEHIND HEADLIGHT) ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FR IG FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) J/C 1 (NEAR ENGINE CONTROL MODULE, IN PROTECTIVE CASE) J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) NOISE FILTER (REAR WINDOW DEFOGGER) (BEHIND LEFT HEADLIGHT) REAR WINDOW DEFOGGER (AT REAR WINDOW) RED WIRE RED/BLK WIRE WHT WIRE WHT/BLK WIRE