Lexus LS III (2000-2003) mpx Wiring diagrams

A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) MPX- BACK- UP LIGHT BACKUP LIGHT SWITCH PARK/NEUTRAL POSITION SWITCH BLK WIRE CENTER CLUSTER INTEGRATION PANEL MPX- ENGINE CONTROL MODULE (ON LEFT FRONT OF ENG COMPT) ENGINE ROOM J/B 1 (ON LEFT FRONT OF ENGINE COMPT) FR IG FUSE FUSIBLE LINK BLOCK GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES J/C 1, J/C 2 (NEAR ECM, IN PROTECTIVE CASE) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) J/C 24, J/C 25 (LEFT REAR OF LUGGAGE COMPT) LEFT REAR COMBINATION LIGHT BACK-UP LIGHT LUG J/B FUSE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU BK/UP MPX RED WIRE RIGHT REAR COMBINATION LIGHT VIO WIRE W/O NAVIGATION W/ NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

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

6 17 1 26 23 24 15 2 12 BDR 6 26 1 17 23 24 15 2 12 BDR 6 7 8 5 RSSI DATA +5 7 10 8 CTY CTYB CYL BDCY BDR GND BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/RED WIRE BRN/WHT WIRE CTY CTYB CYL LP HTR- D DOOR FUSE DOOR LOCK CONTROL RECEIVER DOOR RR LH FUSE DOOR RR RH FUSE DRIVER DOOR ECU (IN DOOR) DRIVER SIDE J/B (LEFT KICK PANEL) GATEWAY ECU (BEHIND LEFT END OF DASH) GRN WIRE GRY/BLK WIRE HOT AT ALL TIMES J/C 21 (FORWARD OF LEFT REAR FENDER- WELL) J/C 30 (REARWARD OF RIGHT REAR FENDER- WELL) LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR COURTESY LIGHT LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR ECU (IN DOOR) LEFT SIDE OUTER REAR VIEW MIRROR LGCY LGLP LUGGAGE COMPARTMENT LIGHT 1 LUGGAGE COMPARTMENT LIGHT 2 LUGGAGE DOOR LOCK SWITCH LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX NCA WIRE ORG/ WIRE P DOOR FUSE P-GND PASSENGER DOOR ECU (IN DOOR) PASSENGER SIDE J/B (RIGHT KICK PANEL) PNK PNK WIRE PNK WIRE PNK/BLU WIRE PNK/GRN WIRE RDA RSSI RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY LIGHT RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR ECU (IN DOOR) RIGHT SIDE OUTER REAR VIEW MIRROR RR ECU-B FUSE THEFT DETERRENT ECU (BEHIND RIGHT CENTER OF DASH) TRANSPONDER KEY COMPUTER (BEHIND RIGHT CENTER OF DASH) VIO/GRN WIRE WHT WIRE WHT/BLK 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

4 2 MPX- MPX+ A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) AIRBAG AIRBAG SENSOR ASSEMBLY (BEHIND LOWER CENTER OF DASH, ON TRANSMISSION TUNNEL) COMBINATION METER DRIVER DOOR ECU DRIVER SIDE J/B (AT LEFT KICK PANEL) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) FRONT PASSENGER DOOR ECU GRY/BLK WIRE LEFT REAR DOOR ECU MOON ROOF CONTROL ECU (AT FRONT OF ROOF OPENING) MPX OVERHEAD J/B (AT FRONT OF ROOF OPENING) PASSENGER SIDE J/B PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) PNK/BLU WIRE RAIN SENSOR (NEAR TOP CENTER OF WINDSHIELD) RED/BLU WIRE RIGHT REAR DOOR ECU RIGHT REAR SEAT ECU (BEHIND RIGHT REAR SEAT BACK) SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) VIO/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

BKUP BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FSSS FSMS FSSV SMOK AUTO RHR RFR FRS FUEL OPN FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT AT ALL TIMES LUG J/B FUSE HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) FUSE HOT IN ON OR START DRIVER SIDE J/B (AT LEFT KICK PANEL) MPX-IG FUSE IG RSS L-O/C(P) FUEL OPN(P) FUEL OPN(O) LCLS LOPN LCM+ LCM+ LEFT QUARTER PANEL) LGCY LGLP LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU (LEFT SIDE OF LUGGAGE COMPT) MPX MPX+ MPX FSMV SG FSME FSSE BDCY RBIL BUBS RMGV MPX-IG MPX-B HIC ORG/ WIRE P-GND PNK/BLU WIRE PNK/GRN WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM (L-ACC RELAY) POWER WINDOWS SYSTEM (RR S/ SHADE RELAY) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY TKUL LCTY TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 +B SLD+ 2 6 7 SYSB 30 8 9 7 4 MSWE CAN IND 7 18 20 CTY BLK WIRE BLK/RED WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DOWN DRIVER SIDE J/B (AT LEFT KICK PANEL) FUSE GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE HDWN HOT AT ALL TIMES HRSW HUP GND SLD- IND J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) J/C 31 (BEHIND LEFT REAR SEAT BACK) J/C 32 (BEHIND RIGHT REAR SEAT BACK) JC-23 LEFT REAR BUCKLE SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT REAR HEAD REST LIMIT SWITCH LEFT REAR SEAT MEMORY SWITCH LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX MPX BKL ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) RRSW PNK/BLK WIRE PNK/BLU WIRE POWER SEAT MOTOR (LEFT REAR PASSENGER'S SEAT SLIDE CONTROL) POWER SEAT MOTOR (RIGHT REAR PASSENGER'S SEAT SLIDE CONTROL) POWER SEAT POSITION SENSOR (LEFT REAR PASSENGER'S SEAT SLIDE CONTROL) POWER SEAT POSITION SENSOR (RIGHT REAR PASSENGER'S SEAT SLIDE CONTROL) PVCC REAR DOOR ECU (LEFT) (INSIDE LEFT REAR DOOR) REAR DOOR ECU (RIGHT) (INSIDE RIGHT REAR DOOR) REAR SEAT CONTROL SWITCH REAR SEAT ECU (LEFT) (BEHIND LEFT REAR SEAT BACK) REAR SEAT ECU (RIGHT) (BEHIND RIGHT REAR SEAT BACK) REAR SEAT RESET SWITCH (UNDER FRONT OF CENTER FLOOR CONSOLE) RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT REAR BUCKLE SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR HEAD REST LIMIT SWITCH RIGHT REAR SEAT MEMORY SWITCH RR SEAT (LH) FUSE RR SEAT (RH) FUSE SET- SGND SSRH SGND SSRS SSRS SEL SSRV SYSB VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+SM AIRBAG WIP 2 3 4 5 6 7 8 9 10 BACK BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CSPT ENGINE CONTROLS SYSTEM FSPT FUSE GRN WIRE GRY/BLK WIRE GRY/BLU WIRE HDLV ALTL WNG PIND HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B (AT LEFT KICK PANEL) FUSE IGNITION SWITCH LCTY RCTY SNOW PER RRSW LOCK 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 (AT RIGHT KICK PANEL) PNK S/S +2 WIRE PNK/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE REV PBIL PBM+ PBM- BKLL RUN WIRE SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE VIO/GRN WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEAD- LIGHT) FUEL INJ 1 FUEL INJ 3 FUEL INJ 8 FUEL INJ 6 FUEL INJ 4 FUEL INJ 2 FUEL INJ 7 FUEL INJ 5 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (ON EXHAUST SYSTEM, BELOW VEHICLE) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (ON EXHAUST SYSTEM, BELOW VEHICLE) HOT IN ON OR START HTL HTR INJ FUSE MPX PNK/BLU WIRE PWR PWR SNOW RED WIRE RED/BLU WIRE SNOW THA VSV (ACIS) (ON RIGHT REAR OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE