Lexus LS III (2000-2003) (left radiator side support) Wiring diagrams

ABS 1 FUSE ABS 2 FUSE ABS 3 FUSE ABS MOTOR RELAY ABS SOL RELAY ABS, TRAC, VSC ACTUATOR (LEFT REAR OF ENGINE COMPT) AST SRLH SFRR SOL+ PMC ENG+ NEO FSS MT BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH (ON MASTER CYLINDER RESEVOIR) COMPUTER DATA LINES SYSTEM ENG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM R/B 3 (LEFT REAR OF ENGINE COMPT) FUSIBLE LINK BLOCK (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRY/BLK WIRE HEADLIGHT BEAM LEVEL CONTROL ECU (BEHIND RIGHT SIDE OF DASH) HOT AT ALL TIMES J/C 3 (LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) LBL LEFT FRONT ABS SPEED SENSOR LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MASTER CYLINDER PRESSURE SENSOR NEO ORG/ WIRE PNK WIRE PPS SOLENOID (LEFT FRONT OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT ABS SPEED SENSOR SFLH SFLR SRRH SRRR TRC+ SFRH SOL- ENG- SHIELD SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPDL SPDR SR FR- FR+ FL- FL+ SRCF SRCR SRLR SRMF SRMR TRC- +BI TRC+ VCM FLO VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 6 7 15 18 20 24 26 CPUB BDR GROUND CTY 1 2 6 7 18 20 24 26 CPUB BDR GROUND CTY 10 13 BUBS MPX- 7 15 16 HRLY BLK WIRE BLU WIRE CPSE LEFT REAR DOOR UNLOCK MOTOR CPSE RIGHT REAR DOOR UNLOCK MOTOR D DOOR FUSE DRIVER SIDE J/B DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE HOOD COURTESY SWITCH (ON FRONT CENTER OF ENGINE COMPARTMENT) FUSE GRN/RED WIRE GRN/WHT WIRE HDCY HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) J/B 24 (LEFT REAR OF LUGGAGE COMPT LID) J/C 21 (FORWARD OF LEFT REAR FENDERWELL) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) J/C 27 (FORWARD OF RIGHT REAR FENDERWELL) J/C 30 (REARWARD OF RIGHT REAR FENDERWELL) J/C 7 (BELOW ENGINE ROOM 1 J/B, ENGINE ROOM 1 R/B) JUNCTION CONNECTOR (BEHIND UPPER CENTER OF DASH) LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR ECU (IN LEFT REAR DOOR LH RR DOOR FUSE LSW LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPARTMENT) P DOOR FUSE P-GND LUGGAGE ROOM J/B PASSENGER SIDE J/B PCTI SIG PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RH RR DOOR FUSE RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) TKUL VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

+B +BM 11 12 18 PNK WIRE 13 12 STPI STPO 2 4 5 6 7 8 13 17 26 EC BATT 3 4 9 13 14 18 19 20 21 22 26 27 29 30 31 32 33 34 35 TC STP NEO 4 TRC+ ENG+ ACCEL POSITION SENSOR (BEHIND LEFT CENTER OF DASH) BLK ORG/ WIRE BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU/ WHT WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM CRUISE CRUISE CONTROL SWITCH D POSITION SWITCH (PARK/NEUTRAL POSITION SWITCH) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B (AT LEFT KICK PANEL) OBD FUSE DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM R/B 1 (IN ENGINE ROOM J/B 1, BEHIND LEFT HEADLIGHT) EFI MAIN RELAY ETCS FUSE EFI 1 FUSE FR IG FUSE GRN WIRE GRN/ORG WIRE GRN/YEL WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE J/C 1 J/C 2 (IN ECU BOX) J/C 3 (NEAR ENGINE CONTROL MODULE, IN PROTECTIVR CASE) J/C 7 (BELOW ENGINE ROOM J/B 1, ENGINE ROOM R/B 1) JUNCTION CONNECTOR (NEAR ENGINE CONTROL MODULE, IN PROTECTIVE CASE) LT GRN/BLK WIRE MREL IGSW SIL NSSD ORG/ WIRE PASSENGER SIDE J/B (RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RES+ SET/ COAST SHIFT LOCK CONTROL ECU (BELOW SHIFT LEVER, IN CENTER CONSOLE) SHORT CONNECTOR SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) STOP FUSE STOPLIGHT SWITCH (ON BRAKE PEDAL BRACKET) VIO WIRE VIO/YEL WIRE VPA EPA VCPA WFSE EPTK VPTK TRC- ENG- CCS WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/BLK WIRE

2 1 4 3 9 10 ESS 23 3 5 +BI 4 24 17 23 6 16 TS D/G TRIG +BO 9 17 15 22 SOL+ SOL- ABS IG FUSE BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER DASH) DATA LINK CONNECTOR (DLC) 7 14 DRIVER SIDE J/B (LEFT KICK PANEL) FUSE GRN WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 12, 13 (BEHIND UPPER CENTER OF J/C 16, 17 (BEHIND UPPER CENTER OF DASH) PASSENGER SIDE J/B (RIGHT KICK PANEL) PNK WIRE PPS SOLENOID (ON LEFT FRONT OF ENGINE COMPT) SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) STEERING SENSOR (INSIDE TOP OF STEERING COLUMN) TRIG BAT PNK WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SIL CHS+ ACCELERATION SENSOR AIR SUSPENSION ECU AIRSUS FUSE BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES ENGINE CONTROL MODULE ERL ERR FAL+ FAL- SLRL SLRR FBL- FAL- FRO VT VH GGND GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HEIGHT CONTROL SENSOR (LEFT FRONT) HEIGHT CONTROL SENSOR (REAR) HEIGHT CONTROL SENSOR (RIGHT FRONT) HSW INSTRUMENT CLUSTER J/C 16/17 (BEHIND UPPER CENTER OF DASH) J/C 18 (UPPER RIGHT SIDE OF DASH) J/C 27 J/C 28/29 (REARWARD OF RIGHT REAR FENDERWELL) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE PNK SGFL SGFR RM+ RM- WIRE PNK WIRE PNK/BLU WIRE RAL+ RAR+ RAR- RAR+ RBL- RBR- RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SGFL SGFR SGRR SHB SHFL SHFR SHFR SHFL SHG SHRR SHRL STEERING SENSOR SUSPENSION CONTROL ACTUATOR (LEFT FRONT) SUSPENSION CONTROL ACTUATOR (LEFT REAR) SUSPENSION CONTROL ACTUATOR (RIGHT FRONT) SUSPENSION CONTROL ACTUATOR (RIGHT REAR) TACH TACH RC SLEX SLFR SLFL TD CHS- VGS VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLU WIRE COMBINATION METER COMBINATION SWITCH IG CRAL CRAR SIDR DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU ENGINE ROOM 2 R/B (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER FTAL FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE HAZ FUSE HAZARD SWITCH HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) HOT IN RUN DRIVER SIDE J/B (AT LEFT KICK PANEL) MPX-IG FUSE J/C 13, J/C 14, J/C 15 (BEHIND UPPER CENTER OF DASH) LEFT FRONT PARKING LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT TURN LIGHT RIGHT FRONT TURN LIGHT LEFT SIGNAL IND ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) POWER TILT AND POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RED WIRE RIGHT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT RIGHT TURN SIGNAL IND SIDL TURN LH TURN RH VIO WIRE VIO/GRN WIRE W/ COMPASS W/O COMPASS WHT WIRE WHT/BLK WIRE YEL WIRE

ABS MOTOR RELAY ABS, TRAC, VSC ACTUATOR BLK WIRE BLOWER MOTOR BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE COOLING FAN ECU EFI MAIN RELAY ENGINE CONTROL MODULE ENGINE HOOD COURTESY SWITCH EXHAUST GAS SENSOR FAN RELAY FRONT HEIGHT CONTROL VALVE FRONT WIPER MOTOR HEADLIGHT CLEANER CONTROL RELAY HEADLIGHT CLEANER MOTOR HEIGHT CONTROL COMPRESSOR HEIGHT CONTROL EXHAUST VALVE J/C 3 (NEAR ENGINE CONTROL MODULE, IN PROTECTIVE CASE) J/C 7 (BELOW ENGINE ROOM 1 J/B, ENGINE ROOM 1 R/B) LEFT FRONT FOG LIGHT LEFT FRONT PARKING LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT SUSPENSION CONTROL ACTUATOR LEFT FRONT TURN SIGNAL LIGHT LEFT HEADLIGHT CONTROL ECU RELAY RELAY RIGHT FRONT FOG LIGHT RIGHT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT SUSPENSION CONTROL ACTUATOR RIGHT FRONT TURN SIGNAL LIGHT RIGHT HEADLIGHT (HIGH BEAM) RIGHT HEADLIGHT CONTROL ECU SKID CONTROL ECU WASHER LEVEL SENSOR WASHER MOTOR LEFT HEADLIGHT (HIGH BEAM) WHT WIRE 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

+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

BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/ORG WIRE BLU/YEL WIRE C/ OPN RELAY DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) DOME FUSE DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) EFI 1 FUSE EFI MAIN RELAY ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) ETCS FUSE F/ PMP RELAY FUEL PUMP RESISTOR (ON LEFT SIDE OF ENGINE COMPT) FUSE GAUGE FUSE GRN/BLK WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 1, J/C 2 (NEAR ECM, IN PROTECTIVE CASE) J/C 23 (LEFT QUARTER PANEL) LT GRN/BLK WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE RED WIRE RED/BLK WIRE SIL STPI TAC VSV (PRESSURE SWITCHING VALVE) (BELOW RIGHT REAR OF VEHICLE) WFSE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE