Lexus LS III (2000-2003) blk/yel 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

+B IGSW STA BATT +BM SIL 13 12 STPI STPO 2 13 5 6 17 12 4 7 26 EC MREL 2002-03 ACCELERATOR POSITION SENSOR (BEHIND LEFT CENTER OF DASH) BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN/WHT WIRE BRN/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) DRIVER SIDE J/B ECU (LEFT KICK PANEL) EC (RADIATOR LEFT SIDE SUPPORT) ECT PWR. ECT SNOW EFI 1 FUSE EFI MAIN RELAY ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM R/B 1 (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) EPTK VPTK ETCS FUSE FR IG FUSE GAUGE FUSE GRN/ORG WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN HOT IN ON OR START IGN FUSE II (RIGHT SIDE OF SHIFT LEVER) IK (RIGHT DASH SIDE PANEL) J/C 1, J/C 2 (NEAR ECM) J/C 13 (UPPER CENTER OF DASH) J/C 16, J/C 17 (UPPER CENTER OF DASH) J/C 3 (NEAR ECM) LT GRN/BLK WIRE MPX ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (BEHIND RIGHT KICK PANEL) PNK/BLK WIRE PNK/NLK WIRE PWR PWR SNOW RED WIRE RED/BLK WIRE RED/YEL WIRE SHORT CONNECTOR SIL SNOW SPEEDO STA FUSE STOP FUSE STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) TAC TACH TACH TC WFSE VPA EPA VCPA WHT/BLK WIRE WHT/GRN WIRE WSFE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 5 6 VZ GND PT MOPEN MSHUT 1 2 3 4 5 6 VZ GND PT REC FRS 1 2 3 OPEN SHUT A/C AMBIENT TEMPERATURE SENSOR (BEHIND LEFT BUMPER) A/C COMP RELAY A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C EVAPORATIVE TEMPERATURE SENSOR A/C IG FUSE A/C MAGNETIC CLUTCH, LOCK SWITCH (RIGHT SIDE OF ENGINE) A/C ROOM TEMPERATURE SENSOR (LEFT SIDE OF DASH) ACMG AIR INLET CONTROL SERVO MOTOR AIR MIX CONTROL SERVO MOTOR (DRIVER) AIR MIX CONTROL SERVO MOTOR (PASSENGER) AIR VENT MODE CONTROL SERVO MOTOR (DRIVER) AIR VENT MODE CONTROL SERVO MOTOR (PASSENGER) AMDB AMPB AODB AOPB BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOL AIR BYPASS SERVO MOTOR (DRIVER) COOL AIR BYPASS SERVO MOTOR (PASSENGER) COOLING FAN ECU (ON RADIATOR SUPPORT) DUCT SENSOR (DRIVER) (LEFT SIDE OF DASH) DUCT SENSOR (PASSENGER) (RIGHT SIDE OF DASH) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM J/B 1 (LEFT FRONT OF ENGINE COMPT) ETAM EXHAUST GAS SENSOR (RIGHT SIDE OF ENGINE) FAN FUSE FAN RELAY FR IG FUSE FUSIBLE LINK BLOCK (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 3 (NEAR ECM, IN PROTECTIVE CASE) J/C 4 (NEAR ECM, IN PROTECTIVE CASE) J/C 7 (BEHIND LEFT HEADLAMP) LCKI LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT GRN/WHT WIRE MAGNETIC FIELD SENSOR (W/ COMPASS) NCA WIRE NOX ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RFC SG TPI AIR AIF SG-7 TPBDR ABODR ABSDR TAM TELEPHONE TRANSCEIVER/ SPEAKER RELAY TFACEPA TFACEDR TR NOX TPBPA ABOPA ABSPA VX VY C-GND D-SIG SHIELD TELIN VMID SG-1 SG-2 SG-3 SG-4 SG-5 WATER VALVE SERVO MOTOR WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WVO WVS WVIG YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED 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

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

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

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 M+ BLK/RED WIRE BLK/YEL WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE CLEARANCE SONAR ECU (ON LEFT SIDE OF LUGGAGE COMPT) CLEARANCE SONAR SWITCH CLEARANCE WARNING SONAR BUZZER (FRONT) (BEHIND LEFT SIDE OF DASH) CLEARANCE WARNING SONAR BUZZER (REAR) (NEAR CENTER OF REAR SPEAKER SHELF) CLSW FBZ+ IG RBZ+ MGND FGND FRS FR FCR FCL FL COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (AT LEFT KICK PANEL) FBZ GAUGE FUSE GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT IN ON OR START LT GRN/RED WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) ORG/ WIRE PNK/BLU WIRE PNK/GRN WIRE RBZ RGND FLS RR RBR RBL RL REALAY ENERGIZED LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) RR IG FUSE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE ULTRASONIC SENSOR (FRONT LEFT CENTER) ULTRASONIC SENSOR (FRONT LEFT SIDE) ULTRASONIC SENSOR (FRONT LEFT) ULTRASONIC SENSOR (FRONT RIGHT CENTER) ULTRASONIC SENSOR (FRONT RIGHT SIDE) ULTRASONIC SENSOR (FRONT RIGHT) ULTRASONIC SENSOR (REAR LEFT CENTER) ULTRASONIC SENSOR (REAR LEFT) ULTRASONIC SENSOR (REAR RIGHT CENTER) ULTRASONIC SENSOR (REAR RIGHT) VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE YEL 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