Lexus LS III (2000-2003) hot in run or start Wiring diagrams

2 4 MPX+ MPX- 3 8 MPX + MPX - A/C CONTROL ASSEMBLY AIRBAG AIRBAG SENSOR ASSEMBLY (BEHIND LOWER CENTER OF DASH) BLK WIRE BLU WIRE BLU/YEL WIRE CENTER CLUSTER INTEGRATION PANEL COMBINATION METER CTY DOME FUSE DOOR DRIVER SIDE J/B (LEFT KICK PANEL) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FUSE GAUGE FUSE GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION KEY CYLINDER LIGHT ILE FSPT CSPT LCTY RCTY J/C 10 J/C 10, J/C 11 (BEHIND UPPER CENTER OF DASH) J/C 11 J/C 16, J/C 17 (BEHIND UPPER CENTER OF DASH) LED LEFT REAR INTERIOR LIGHT LEFT STEP LIGHT LEFT VANITY LIGHT MPX MPX-B OVERHEAD J/B (AT FRONT OF ROOF OPENING) PASSENGER SIDE J/B (RIGHT KICK PANEL) PASSENGER SIDE J/B ECU RED WIRE RED/BLU WIRE RIGHT END OF DASH) RIGHT REAR INTERIOR LIGHT RIGHT STEP LIGHT RIGHT VANITY LIGHT SECURITY FUSE SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE W/ NAV W/O NAV WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE

BES BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/ORG WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS SYSTEM D B/ANC FUSE DBKL BKLR DBIL DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM SHIFT INTERLOCK SYSTEM FUEL TSW FUSE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HAZ STPA STP MPX-B HDCY HEAD HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES HAZ FUSE HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) FUSE HOT IN RUN OR START IGNITION SWITCH INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM LOCK LT GRN WIRE MPX-IG FUSE MPX-IG HAZ IG ORG/ WIRE PANEL FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) PNK MIND WIRE PNK/BLU WIRE R/E RET RTR MSW M+ TR+ CLTS CLTE RV HDCL REB/BLK WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE STPO STPI TC CLTB 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 WNT/GRN WIRE YEL WIRE

AIR BAG SENSOR ASSEMBLY (ON TRANSMISSION TUNNEL) BLK WIRE BLU/WHT WIRE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (BEHIND LEFT KICK PANEL) GAUGE FUSE HOT IN RUN OR START J/C 14 (BEHIND UPPER CENTER OF DASH) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) LEFT QUARTER PANEL) LEFT TENSION REDUCER SOLENOID (BASE OF LEFT "B" PILLAR) LT GRN/RED WIRE P-IG FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (BEHIND RIGHT KICK PANEL) PNK/BLU WIRE RED/BLU WIRE RED/WHT WIRE RIGHT BUCKLE SWITCH (IN BUCKLE) RIGHT TENSION REDUCER SOLENOID (BASE OF RIGHT "B" PILLAR) WHT/BLK WIRE

10 13 2 BUBS MPX- MPX+ 2 13 14 CLTB CLTS CLTE 5 7 8 MPX-B 7 15 HRLY AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER CENTER OF DASH) BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM 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 GRY/BLK WIRE HEAD HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) HOT IN RUN OR START J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 7 (BELOW ENGINE ROOM 1 J/B) LEFT FRONT DOOR COURTESY SWITCH LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX-IG MPX-IG FUSE ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PNK WIRE PNK/BLU WIRE POWER TILT AND POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RCO RDA RSSI RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

7 11 17 9 19 8 5 SHFL 9 7 21 SHRL AIR SUSPENSION ECU (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU WIRE CHG- RHG RH+ RHT RH- RHE IG COMBINATION METER COMBINATION SWITCH HEAD COMPUTER DATA LINES SYSTEM DOME FUSE FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE ROOM R/B 2 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FLO FRONT CONTROLLER GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY WIRE H-LP LVL FUSE HEAD HEADLIGHT BEAM LEVEL CONTROL ECU (BEHIND RIGHT SIDE OF DASH) HOT AT ALL TIMES HOT IN RUN DRIVER SIDE J/B (AT LEFT KICK PANEL) GAUGE FUSE HOT IN RUN OR START J/C 10, J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 16, J/C 17 (BEHIND UPPER CENTER OF DASH) LEFT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (LEFT HEADLIGHT ASSEMBLY) LEFT HEIGHT CONTROL SENSOR (INSIDE LEFT FRONT WHEELWELL) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/GRN WIRE REAR HEIGHT CONTROL SENSOR (UNDER CENTER REAR OF VEHICLE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (RIGHT HEADLIGHT ASSEMBLY) SBF WNG LHG LH+ LHT LH- LHE SGF SHFL SHRL SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPDL SPDR VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BLK WIRE BLK/RED WIRE BLU WIRE CHG- RHG RH+ RHT RH- RHE IG COMBINATION METER COMBINATION SWITCH HEAD COMPUTER DATA LINES SYSTEM DOME FUSE FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE ROOM R/B 2 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FLO FRONT CONTROLLER GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY WIRE H-LP LVL FUSE HEAD HEADLIGHT BEAM LEVEL CONTROL ECU (BEHIND RIGHT SIDE OF DASH) HOT AT ALL TIMES HOT IN RUN DRIVER SIDE J/B (AT LEFT KICK PANEL) GAUGE FUSE HOT IN RUN OR START J/C 10, J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 16, J/C 17 (BEHIND UPPER CENTER OF DASH) J/C 19, J/C 20 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (LEFT HEADLIGHT ASSEMBLY) LEFT HEIGHT CONTROL SENSOR (INSIDE LEFT FRONT WHEELWELL) LT GRN WIRE ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/GRN WIRE REAR HEIGHT CONTROL SENSOR (UNDER CENTER REAR OF VEHICLE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (RIGHT HEADLIGHT ASSEMBLY) SBF WNG LHG LH+ LHT LH- LHE SGF SHFL SHRL SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPDL SPDR VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 FE FV FR 4 16 MPX- PIND A/B A/T 2 IND A/T 3 IND A/T 4 IND A/T L IND ABS IND. AIR SUSPENSION ECU (BEHIND RIGHT SIDE OF DASH) AT D IND AT N IND AT P IND AT R IND BEAM IND BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON MASTER CYLINDER) BRAKE IND BRN WIRE BRN/YEL WIRE CHG- IND CLOCK COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DATA LINK CONN DISPLAY MULTI DOME FUSE DOOR IND DRIVER SIDE JUNCTION BLOCK (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROL SYSTEM ELECTRONIC SUSPENSION SYSTEM ENGINE OIL LEVEL SENSOR FRONT FOG IND FSME FSMS FSMV FSSE FSSS FSSV FUEL FUEL GAUGE FUEL SENDER (MAIN) (UNDER LEFT REAR OF VEHICLE) FUEL SENDER (SUB) (UNDER RIGHT REAR OF VEHICLE) FUSE GAUGE FUSE GRN/BLK WIRE GRN/YEL WIRE GRY/BLK WIRE HEAD (USA) TAIL (CANADA) HOT AT ALL TIMES HOT IN RUN OR START J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 16, J/C 17 (BEHIND UPPER CENTER OF DASH) J/C 30 (REARWARD OF RIGHT REAR FENDERWELL) J/C 4 (NEAR ENGINE CONTROL MODULE) J/C 7 (BEHIND ENGINE ROOM NO 1 J/B, ENGINE ROOM NO 1 R/B) LBL LT GRN WIRE LT GRN/RED WIRE LUGGAGE COMPT) LUGGAGE ROOM J/B ECU (LEFT SIDE OF MASTER IND MIL IND MOL MOPS MPX MPX+ COMPUTER DATA LINES SYSTEM MULIT-DISPLAY NAVIGATION, SOUND SYSTEMS NUM ODO PAD WEAR INDICATOR SWITCH (RIGHT FRONT) PAD WEAR INDICATOR SWITCH (RIGHT REAR) PARKING BRAKE SWITCH (LEFT SIDE OF DASH, ON PARKING BRAKE) PASSENGER SIDE J/B (RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PASSENGER SIDE JUNCTION BLOCK (BEHIND RIGHT KICK PANEL) PBEW PBLT PWR IND RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT QUARTER PANEL RSET SEAT BELT IND SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SLIP IND SNOW IND SPEEDOMETER SRS IND TACH TACHOMETER TEMS TMS SPORT IND TRIP TRIP SWITCH TURN LH IND TURN RH IND VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VSC OFF W/ NAVIGATION W/O NAVIGATION WATER TEMP GAUGE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

5 25 LED- ASH+ 6 17 1 7 BDR 6 26 1 17 BDR ASH- ASHTRAY ILLUMINATION BDR BLK WIRE BLU WIRE CLEARANCE SONAR SWITCH COIN BOX ILLUMI- NATION COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES DRIVER DOOR ECU (IN DOOR) DRIVER SIDE J/B (LEFT KICK PANEL) DRIVER SIDE J/B ECU DRIVING POSITION MEMORY SWITCH FUSE GRN WIRE GRN/ORG WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START INSIDE HANDLE ILLUMINATION J/C 13 (BEHIND CENTER OF DASH) J/C 14, J/C 15 (BEHIND CENTER OF DASH) J/C 21 (FORWARD OF LEFT REAR FENDER- WELL) J/C 22 (REARWARD OF LEFT REAR FENDERWELL) J/C 30 (REARWARD OF RIGHT REAR FENDER- WELL) LED LEFT REAR DOOR ECU (IN DOOR) LEFT REAR SEAT MEMORY SWITCH LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MPX-IG FUSE P DOOR FUSE PANEL FUSE PASSENGER DOOR ECU (IN DOOR) PASSENGER SIDE J/B (RIGHT KICK PANEL) PASSENGER SIDE J/B (RIGHT KICK PANEL) D DOOR FUSE PNK WIRE PNK/BLU WIRE REAR SEAT CONTROL SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH RHEOSTAT RIGHT REAR DOOR ECU (IN DOOR) RR DOOR LH FUSE RR DOOR RH FUSE TC RV TR+ VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE