Lexus LS III (2000-2003) (behind upper center of dash) Wiring diagrams

10 11 12 13 16 17 18 SLU- SLU+ SLN- SLN+ 2 3 4 22 23 24 25 M- M+ BLK 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 (LEFT KICK PANEL) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) EOIL OIL SLT- SLT+ ETA VC 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 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 3 (NEAR ENGINE CONTROL MODULE, IN PROTECTIVE CASE) J/C 4 J/C 5 (NEAR ENGINE CONTROL MODULE, IN PROTECTIVE CASE) JC-16 JC-17 LT GRN/BLK WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE RED WIRE SHIELDED SIL SPEEDOMETER THROTTLE CONTROL MOTOR (ON THROTTLE BODY) THROTTLE POSITION SENSOR (ON THROTTLE BODY) TRANSMISSION SYSTEMS VEHICLE SPEED SENSOR (ON TRANSMISSION) WFSE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

3 22 TC WFSE AIR SUSPENSION ECU (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/YEL WIRE BRN WIRE CG SG COMBINATION METER DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) DRIVER SIDE J/B (AT LEFT KICK PANEL) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) GRN WIRE GRY WIRE HOT AT ALL TIMES J/C 13 (BEHIND UPPER CENTER OF DASH) LT GRN/BLK WIRE OBD FUSE OPB TC TS WFSE BAT PNK/BLK WIRE SIL SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) TAC TACH WHT WIRE WHT/BLK WIRE WHT/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

10 3 TX- TX+ 11 22 2 7 12 13 4 15 17 16 5 6 9 20 CG GND IG SIL BATT 6 3 2 5 TXS- TXS+ ATX+ ATX- BLU WIRE BLU/YEL WIRE BUBS CENTER CLUSTER INTEGRATION PANEL CLEARANCE SONAR ECU (ON LEFT SIDE OF LUGGAGE COMPT) COMBINATION SWITCH D-ACC FUSE 7.5 A 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 ROOM R/B 2 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER FUSE 7.5 A GATEWAY ECU (BEHIND LEFT END OF DASH) GRN WIRE GRY WIRE GRY/BLK WIRE GTX+ GTX- HOT AT ALL TIMES HOT IN RUN, ACC HOT IN RUN, START J/C 31 (BEHIND LEFT REAR SEAT BACK) LEFT REAR SEAT ECU (BEHIND LEFT REAR SEAT BACK) LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPT) MPX MPX-IG FUSE 7.5 A MULTI-DISPLAY PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RADIO, PLAYER REAR SEAT CONTROL SWITCH RED WIRE RED/BLU WIRE SIL THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO/GRN WIRE W/ NAVIGATION W/ PARK ASSIST W/O NAVIGATION WHT/BLK WIRE WHT/GRN 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

+B TX+ TX- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 FR+ FL+ RR+ RL+ WFR+ WFL+ PNK WIRE 1 2 3 4 5 6 7 8 9 10 11 12 MR+ ML+ 10 9 5 1 6 GND 11 1 SPI- SPI+ 11 4 SP- SP+ 5 10 TX+ TX- 5 15 1 10 11 2 SPD NVMU AUI+ AUI- AUO- AUO+ AUDIO, REAR A/C CONTROL SWITCH BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER FR- FL+ RR- RL+ GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE J/C 30 (REARWARD OF RIGHT REAR FENDERWELL) LEFT FRONT DOOR SPEAKER RIGHT FRONT TWEETER LEFT FRONT TWEETER LEFT REAR DOOR SPEAKER LEFT REAR TWEETER LT GRN WIRE LT GRN/RED WIRE MR- ML- MUTE N-MU NAVIGATION ECU (RIGHT REAR CORNER OF LUGGAGE COMPARTMENT) PNK WIRE R+ L+ SPD FR- FL- R- L- SPDO RED WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TWEETER RTX- RTX+ STEREO COMPONENT AMPLIFIER (ON RIGHT SIDE OF LUGGAGE COMPT, BEHIND TRIM) TX+ MTX+ VIO WIRE VIO/WHT WIRE W/ NAVIGATION W/O NAVIGATION 9 SPEAKER 7 SPEAKER WFR- WFL- WHT WIRE WHT/BLK WIRE WOOFER YEL WIRE YEL/RED WIRE

+B +BM A/C SYSTEM A/C SYSTEM A/C SYSTEM ACCELERATOR POSITION SENSOR (BEHIND LEFT CENTER OF DASH) AIR SUSPENSION ECU (BEHIND RIGHT SIDE OF DASH) ANTI-THEFT SYSTEM (TRANSPONDER KEY COMPUTER) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DISTANCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) ELC ENG ENGINE CONTROL MODULE (ECM) (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE J/C 10 J/C 12 J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 16, J/C 17 J/C 16, J/C 17 (BEHIND UPPER CENTER OF DASH) LCS LCS ELC LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MIL IND NEO NEO TBP ORG/ WIRE PNK WIRE PNK/BLK WIRE PTNK PWR SNOW RED WIRE RED/BLK WIRE RED/YEL WIRE RFC SIL SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPEEDO- METER STA MREL FC FPR ACMG IGSW TAM ETAM TACH TC STP TRC+ TRC+ ENG+ TRC+ ENG+ PNK WIRE VAPOR PRESSURE SENSOR (BELOW RIGHT REAR OF VEHICLE) SHORT CONNECTOR VCC VIO WIRE VPA EPA VCPA WFSE IMO IMI PTNK EPTK VPTK WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE