Lexus LS III (2000-2003) mpx-ig fuse Wiring diagrams

1 4 5 6 16 17 23 26 GROUND CPUB SIG BDR PCT 1 4 5 6 17 23 25 26 GROUND CPUB SIG BDR 6 7 8 5 RSSI DATA +5 7 9 10 20 LSW KUL KL CPSE 8 19 22 30 ML MUL PWS PWE BLK WIRE BLU WIRE BLU/RED WIRE BRN/RED WIRE BRN/WHT WIRE CTY D-ACC FUSE DOOR LOCK CONTROL RECEIVER (INNER MIRROR) DRIVER DOOR ECU (IN LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) ENGINE ROOM R/B 2 (ON LEFT FRONT OF ENGINE COMPT) FRONT CONTROLLER FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GATEWAY ECU (BEHIND LEFT END OF DASH) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES IND BZR J/C 21 (FORWARD OF LEFT REAR FENDERWELL) J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) JUNCTION CONNECTOR (BEHIND UPPER CENTER OF DASH) KEYLESS BUZZER (INSIDE TOP OF LEFT FRONT FENDER, NEAR BASE OF "A" PILLAR) KEYLESS BUZZER ON/OFF SWITCH LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR LOCK MOTOR MPX-IG FUSE ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE PNK/GRN WIRE POWER WINDOW MASTER SWITCH 8 18 6 10 ML MUL PW RED WIRE RED/BLU WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH 8 19 22 27 3 1 4 2 ML MUL PWS DLE UL ILL+ RIGHT FRONT DOOR LOCK MOTOR SECURITY FUSE SECURITY INDICATOR LIGHT SH- BZRG IG RDA RSSI THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) THEFT DETERRENT HORN (IN RIGHT REAR OF ENGINE COMPARTMENT) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WARNING SYSTEMS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLK WIRE

10 3 TX- TX+ 10 9 RTX+ RTX- 2 5 3 6 ATX+ ATX- TXS+ TXS- 21 9 20 8 TXS- TXS+ ATX- ATX+ 3 2 1 +B SI GND 5 15 TX+ TX- 5 18 MTX+ MTX- 6 1 TX- TX+ A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C PRESSURE SENSOR (LEFT FRONT OF ENGINE COMPT) A/C ROOM TEMP SWITCH (DRIVER) (CENTER OF DASH) A/C ROOM TEMP SWITCH (PASSENGER) (CENTER OF DASH) A/C SOLAR SENSOR (FRONT) A/C SOLAR SENSOR (REAR) A/C SOLENOID (RIGHT SIDE OF ENGINE) AUDIO, REAR A/C CONTROL SWITCH (W/ REAR CONTROLS) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLOWER MOTOR (LOWER RIGHT SIDE OF DASH) BLU WIRE BLU/ORG WIRE BLU/YEL WIRE BRN/RED WIRE CLOCK (W/O NAVIGATION) COMBINATION METER COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DGS TSRR DOME FUSE DOWN DRIVER SIDE J/B (LEFT KICK PANEL) A/C FUSE DUAL DUIND+ DRGND PAGND DUIND- FUSE FUSIBLE LINK BLOCK (RIGHT REAR OF ENGINE COMPT) HEATER FUSE GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GND MPX+ GND TC MPX+ MPX- GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GTX+ GTX- HEATER CONTROL SWITCH (W/ NAVIGATION) (PART OF MULTI-DISPLAY) HEATER CONTROL SWITCH (W/O NAVIGATION) (CENTER OF DASH) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG B+ IND INSTRUMENT PANEL REGISTER J/C 10 (BEHIND CENTER OF DASH) J/C 12, J/C 13 (BEHIND CENTER OF DASH) J/C 14, J/C 15 (BEHIND CENTER OF DASH) J/C 16, J/C 17 (BEHIND CENTER OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MPX- BLW SOL+ SOL- RDFGR IG MPX-IG FUSE ORG/ WIRE P-ACC FUSE P-IG FUSE P/SB PASSENGER SIDE J/B (RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PRS TAMOUT PADN PAUP DRDN DRUP RADIO, PLAYER RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE STEREO COMPONENT AMPLIFIER STEREO COMPONENT TUNER TAMO TSDR TSPA +B VIO WIRE VIO/RED WIRE VIO/WHT WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SGND 1 2 4 CSNF CSNR 28 9 20 21 29 MSWE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE CLIMATE CONTROL SEAT ECU (DRIVER) (UNDER LEFT FRONT SEAT) COMPUTER DATA LINES SYSTEM CSNF SSRR SSFV SSRC PVCC CSNR SSRS SSRV SSRH IDL SYSB IG D P/SEAT FUSE DOWN DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SEAT ECU (BELOW LEFT SIDE OF DRIVER'S SEAT) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER'S SEAT CUSHION POSITION SENSOR DRIVER'S SEAT CUSHION POWER SEAT MOTOR DRIVER'S SEAT FRONT VERTICAL POSITION SENSOR DRIVER'S SEAT FRONT VERTICAL POWER SEAT MOTOR DRIVER'S SEAT HEAD REST POWER SEAT MOTOR, POSITION SENSOR DRIVER'S SEAT LIFTER POSITION SENSOR DRIVER'S SEAT SLIDE POSITION SENSOR DRIVER'S SEAT LIFTER POWER SEAT MOTOR DRIVER'S SEAT RECLINING POSITION SENSOR DRIVER'S SEAT RECLINING POWER SEAT MOTOR DRIVER'S SEAT SLIDE POWER SEAT MOTOR FUSE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IDL J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 21 (FORWARD OF LEFT REAR FENDER- WELL) J/C 21 (FORWARD OF LEFT REAR FENDERWELL) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MEMORY SEAT SWITCH MMRY MPX-IG FUSE O/P ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER SEAT CONTROL SWITCH (DRIVER'S SEAT CUSHION) POWER SEAT CONTROL SWITCH (DRIVER'S SEAT LUMBAR SUPPORT) POWER SEAT MOTOR (DRIVER'S SEAT LUMBAR SUPPORT LOWER SIDE CONTROL) POWER SEAT MOTOR (DRIVER'S SEAT LUMBAR SUPPORT UPPER SIDE CONTROL) RED WIRE RED/BLK WIRE RED/BLU WIRE VCC VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BLU/ORG WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (AT LEFT KICK PANEL) ENGINE ROOM R/B 1 (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FR FOG FUSE ENGINE ROOM R/B 2 EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM FHHI HORH HORL FHOR SIDR SIDL HLHR FMIG FOGR FOGL FFOG W+ FRONT CONTROLLER FUSE FWAS CRAR CRAL FTAL GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE H-LP HI FUSE HEADLIGHTS SYSTEM HLHL HORN HORN FUSE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM MPX-IG FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE TAIL FUSE VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE WASHER FUSE WHT/BLK WIRE WIPER/WASHER SYSTEM

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

BDR BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM D DOOR FUSE DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE JUNCTION BLOCK (AT LEFT KICK PANEL) FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) FUSE HOT AT ALL TIMES HOT IN ON OR START HTR J/B 21 (FORWARD OF LEFT REAR FENDERWELL) J/B 27 (FORWARD OF RIGHT REAR FENDERWELL) J/C 10, J/C 11 (BEHIND UPPER CENTER OF DASH) J/C 12, J/C 13 (BEHIND UPPER CENTER OF DASH) LEFT OUTSIDE REAR VIEW MIRROR MIRROR HEATER MPX-IG FUSE NCA WIRE P DOOR FUSE PASSANGER SIDE JUNCTION BLOCK (AT RIGHT KICK PANEL) PNK/BLU WIRE PPL PPL/ CPUB PPL/YEL WIRE RED WIRE RED/BLU WIRE RIGHT OUTSIDE REAR VIEW MIRROR SIG WHT WIRE WHT/BLK WIRE YEL 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

2 1 3 PNK WIRE 29 21 20 9 28 8 19 30 MM PNK WIRE 5 14 13 VC 5 14 6 VC SENSOR VSSR 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 BLK WIRE BLU WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM D DOOR FUSE DATA DOOR LOCK CONTROL RECEIVER (INNER MIRROR) 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 ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, IN PROTECTIVE CASE) ENGINE CONTROLS SYSTEM (PARK/NEUTRAL POSITION SWITCH) FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HSSR HSSR SENSOR J/C 10, J/C 11 (BEHIND UPPER CENTER OF DASH) J/C 12, J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, J/C 15 (BEHIND UPPER CENTER OF DASH) J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) JC-21 LEFT FRONT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LEFT OUTSIDE REAR VIEW MIRROR LEFT/RIGHT MOTOR LT GRN WIRE M+R LEFT/RIGHT MOTOR MHR ML MUL MMRY MPX-B MPX-IG FUSE MPX-IG GND MR- MR- RETRACTABLE MOTOR MSWE ML MUL PWE MVR MVR UP/DOWN MOTOR OUTER MIRROR SWITCH 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 OUTSIDE REAR VIEW MIRROR RSSI SENSOR THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) UP/DOWN MOTOR VIO WIRE VIO/GRN WIRE VIO/YEL WIRE VSSR WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

+B GND TSRR MPX- 1 3 8 GND MPX+ MPX- 10 3 TX- TX+ 10 9 RTX+ RTX- 2 5 3 6 ATX+ ATX- TXS+ TXS- 21 9 20 8 TXS- TXS+ ATX- ATX+ 5 15 TX+ TX- 5 18 MTX+ MTX- 5 6 4 14 MPX-B HIC MPX-IG P-GND 6 1 TX- TX+ A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C SOLAR SENSOR (REAR) AUDIO, REAR A/C CONTROL SWITCH BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM COOL BOX ILLUM REAR DAMPER SERVO MOTOR DIO DOME FUSE DRIVER SIDE J/B (LEFT KICK PANEL) A/C FUSE EXO FUSE FUSIBLE LINK BLOCK (RIGHT REAR OF ENGINE COMPT) LUG J/B FUSE GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GTX+ GTX- HEATER CONTROL SWITCH (W/ NAVIGATION) (PART OF MULTI-DISPLAY) HEATER CONTROL SWITCH (W/O NAVIGATION) (CENTER OF DASH) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG B+ J/C 10 (BEHIND CENTER OF DASH) J/C 12, J/C 13 (BEHIND CENTER OF DASH) J/C 14, J/C 15 (BEHIND CENTER OF DASH) J/C 16, J/C 17 (BEHIND CENTER OF DASH) J/C 23 (REARWARD OF LEFT REAR FENDEWRWELL) LT GRN WIRE LT GRN/RED WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) RR ECU-B FUSE LUGGAGE ROOM J/B ECU MPX- RMGV SMOK AUTO RHR RFR FRS SG MPX-IG FUSE P-ACC FUSE PASSENGER SIDE J/B (RIGHT KICK PANEL) P-IG FUSE PNK/GRN WIRE R-B RADIO, PLAYER RAUTO RDO REAR A/C AMPLIFIER REAR A/C UNIT REAR BLOWER RESISTOR REAR BLOWER MOTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RFR RHR RR A/C FUSE SFRS SMOKE SENSOR STEREO COMPONENT AMPLIFIER STEREO COMPONENT TUNER VIO WIRE VIO/GRN WIRE W/ NAV W/O NAV W/ NAVIGATION W/O COOLER W/ COOLER W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE