Lexus LS III (2000-2003) driver side j/b ecu (at left kick panel) Wiring diagrams

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

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

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

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

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

BLK WIRE DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE ROOM R/B 1 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) ENGINE ROOM R/B 2 (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER GRN/BLK WIRE GRN/WHT WIRE HORN (HIGH) HORN (LOW) HORN FUSE HORN SWITCH (COMBINATION SWITCH) HOT AT ALL TIMES SECURITY FUSE VIO/GRN 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

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