Lexus LS III (2000-2003) skid control ecu (behind left side of dash) 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

ABS IG FUSE ABS IND SLIP IND VSC OFF IND AIR SUSPENSION ECU (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL LOAD SENSING SWITCH (ON BRAKE PEDAL BRACKET) BRN WIRE CHS+ COMBINATION METER COMPUTER DATA LINES SYSTEM 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) FRO FSW+ FSW- COMPUTER DATA LINES SYSTEM FUSE GAUGE FUSE GGND YSS SHIELD GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GYAW 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 12, J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 16, J/C 17 (BEHIND UPPER CENTER OF DASH) LEFT REAR ABS SPEED SENSOR LT GRN WIRE PARKING BRAKE SWITCH (ON BRAKE LEVER) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE RED WIRE RIGHT REAR ABS SPEED SENSOR RL+ RL- CHS- CHS+ +BO D/G RR- RR+ SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPEEDO STEERING SENSOR (INSIDE TOP OF STEERING COLUMN) STOP FUSE STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) STP PKB TRACTION CONTROL SWITCH TRIG VGS YD VIO WIRE VSC WARNING BUZZER (BELOW LOWER LEFT SIDE OF DASH) VYS WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YAW - YAW RATE SENSOR (BELOW REAR OF CENTER CONSOLE) YEL WIRE YEL/GRN 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

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

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

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

7 11 17 9 19 8 5 SHFL 9 7 21 SHRL AIR SUSPENSION ECU (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU WIRE CHG- RHG RH+ RHT RH- RHE IG COMBINATION METER COMBINATION SWITCH HEAD COMPUTER DATA LINES SYSTEM DOME FUSE FUSE 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) FLO FRONT CONTROLLER GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY WIRE H-LP LVL FUSE HEAD HEADLIGHT BEAM LEVEL CONTROL ECU (BEHIND RIGHT SIDE OF DASH) HOT AT ALL TIMES HOT IN RUN DRIVER SIDE J/B (AT LEFT KICK PANEL) GAUGE FUSE HOT IN RUN OR START J/C 10, J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 16, J/C 17 (BEHIND UPPER CENTER OF DASH) LEFT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (LEFT HEADLIGHT ASSEMBLY) LEFT HEIGHT CONTROL SENSOR (INSIDE LEFT FRONT WHEELWELL) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/GRN WIRE REAR HEIGHT CONTROL SENSOR (UNDER CENTER REAR OF VEHICLE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (RIGHT HEADLIGHT ASSEMBLY) SBF WNG LHG LH+ LHT LH- LHE SGF SHFL SHRL SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPDL SPDR VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BLK WIRE BLK/RED WIRE BLU WIRE CHG- RHG RH+ RHT RH- RHE IG COMBINATION METER COMBINATION SWITCH HEAD COMPUTER DATA LINES SYSTEM DOME FUSE FUSE 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) FLO FRONT CONTROLLER GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY WIRE H-LP LVL FUSE HEAD HEADLIGHT BEAM LEVEL CONTROL ECU (BEHIND RIGHT SIDE OF DASH) HOT AT ALL TIMES HOT IN RUN DRIVER SIDE J/B (AT LEFT KICK PANEL) GAUGE FUSE HOT IN RUN OR START J/C 10, J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 16, J/C 17 (BEHIND UPPER CENTER OF DASH) J/C 19, J/C 20 (BEHIND UPPER RIGHT SIDE OF DASH) LEFT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (LEFT HEADLIGHT ASSEMBLY) LEFT HEIGHT CONTROL SENSOR (INSIDE LEFT FRONT WHEELWELL) LT GRN WIRE ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU (AT RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/GRN WIRE REAR HEIGHT CONTROL SENSOR (UNDER CENTER REAR OF VEHICLE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT BEAM LEVEL CONTROL ACTUATOR (RIGHT HEADLIGHT ASSEMBLY) SBF WNG LHG LH+ LHT LH- LHE SGF SHFL SHRL SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPDL SPDR VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED 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

+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