Lexus LS III facelift (2003-2006) driver side j/b ecu Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 TC CLTB 1 2 3 4 5 6 7 8 9 10 BES BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM D B/ANC FUSE DBKL BKLR DBIL PNK WIRE DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM SHIFT INTERLOCK SYSTEM FUEL TSW FUSE GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HAZ FUSE HAZ STPA STP MPX-B HDCY HDLO HRLY HEAD HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE J/B (AT RIGHT KICK PANEL) HOT IN RUN OR START IG (AT LEFT SIDE OF DASH) IGNITION SWITCH IH (AT RIGHT SIDE OF SHIFT LEVER) INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) LOCK OFF LT GRN WIRE MIRRORS SYSTEM MPX-IG FUSE MPX-IG HAZ IG ORG/ WIRE PANEL FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PASSIVE RESTRAINT SYSTEM PNK MIND WIRE PNK/BLU WIRE R/E RET RTR MSW M+ TR+ CLTS CLTE RV HDCL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE STPO STPI TRUNK, TAILGATE, FUEL DOORS SYSTEM 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 WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM YEL WIRE YEL/GRN WIRE YEL/RED WIRE

2 10 MPX+ BUBS BM (AT LEFT REAR QUARTERPANEL) COMBINATION SWITCH DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU FUEL FUEL LID OPENER SWITCH FUEL OPN FUSE FUEL OPN(O) FUEL OPN(P) FUSE GRN/WHT WIRE HOT AT ALL TIMES IG (AT LEFT SIDE OF DASH) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU MPX-B P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RED WIRE RED/BLK WIRE VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE

AIR BAG SENSOR ASSEMBLY BLK WIRE BLK/RED WIRE BRN WIRE CAMSHAFT POSITION SENSOR SHIELD COMBINATION SWITCH CRANKSHAFT POSITION SENSOR SHIELD D-ACC RELAY RELAY DEFOG RELAY FRONT CONTROLLER DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU EE (ON RIGHT CYLINDER HEAD) EF (ON LEFT CYLINDER HEAD) ENGINE COMPT) ENGINE CONTROL MODULE ENGINE CONTROL MODULE LASER SENSOR ENGINE OIL LEVEL SENSOR FUEL LID OPENER SWITCH OUTER MIRROR SWITCH HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) SHIELD HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD HEATED OXYGEN SENSOR (BANK 2 SENSOR 1) SHIELD HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) SHIELD IGNITION COIL, IGNITER 1 IGNITION COIL, IGNITER 2 IGNITION COIL, IGNITER 3 IGNITION COIL, IGNITER 4 IGNITION COIL, IGNITER 5 IGNITION COIL, IGNITER 6 IGNITION COIL, IGNITER 7 IGNITION COIL, IGNITER 8 IJ (AT RIGHT DASH BRACE) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 3, 4 (LEFT FRONT OF J/C 33, 34 (LEFT FRONT OF ENGINE COMPT) J/C 8 (BEHIND LEFT END OF DASH) J/C 9 (BEHIND LEFT END OF DASH) JUNCTION CONNECTOR KEY INTERLOCK SOLENOID UNLOCK WARNING SWITCH KNOCK SENSORS SHIELD LEFT VVT SENSOR SHIELD LUGGAGE COMPARTMENT DOOR OPENER SWITCH MULTI-DISPLAY POWER TILT, POWER TELESCOPIC ECU RADIO, PLAYER RHEOSTAT RIGHT VVT SENSOR SHIELD SGND SHIELDED SHIELDED SHIELDED STEERING LOCK ECU IG (AT LEFT SIDE OF DASH) IH (AT RIGHT SIDE OF SHIFT LEVER) STEERING SENSOR TELEPHONE TRANSCEIVER, SPEAKER RELAY DISTANCE CONTROL ECU TELESCOPIC MOTOR, POSITION SENSOR SHIELD TILT MOTOR, POSITION SENSOR SHIELD TRANSMISSION CONTROL SWITCH DATA LINK CONNECTOR 3 UN- SLN- GND CG UNLOCK WARNING SWITCH GATEWAY ECU W/ NAVIGATION W/ SMART KEY SYSTEM W/O SMART KEY SYSTEM W/ SMART KEY W/O SMART KEY WHT WIRE WHT/BLK WIRE

10 13 2 BUBS MPX- MPX+ 10 5 7 8 BU+ MPX-B 2 13 14 CLTB CLTS CLTE 7 15 HRLY AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER CENTER OF DASH) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/YEL WIRE BRN WIRE CLTB CLTE CLTS COMBINATION SWITCH COMPUTER DATA LINES SYSTEM 25 11 28 10 CANL CANH PKB LBL 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 GRN/ORG WIRE HEAD HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) II (AT RIGHT SIDE OF SHIFT LEVER) JUNCTION CONNECTOR 13 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 14, 15 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 7 (BELOW ENGINE ROOM 1 J/B, ENGINE ROOM 1 R/B) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX-IG MPX-IG FUSE OF DASH) ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT END OF DASH, ON PARKING BRAKE MECHANISM) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE PNK/GRN WIRE POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RCO RDA RSSI RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE STEERING LOCK ECU (LEFT SIDE OF DASH) THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE W/ SMART KEY W/O SMART KEY WHT WIRE WHT/BLK 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 VC 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 BL (AT LEFT REAR FLOOR J/C 21 PARTITION PANEL) (FORWARD OF LEFT REAR FENDERWELL) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN/RED WIRE BRN/WHT WIRE COM COM M+R COMPUTER DATA LINES SYSTEM D DOOR FUSE DATA DOOR LOCK CONTROL RECEIVER (INNER MIRROR) (RIGHT REAR OF LUGGAGE COMPARTMENT) DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU DRIVING POSITION MEMORY SWITCH ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, IN PROTECTIVE CASE) ENGINE CONTROLS SYSTEM FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE H- HTR- HOT AT ALL TIMES HOT IN ON OR START HSR HSSR HSSR HTR IG (AT LEFT SIDE OF DASH) IR (UNDER RIGHT FRONT SEAT) J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) L+ LP LEFT FRONT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LEFT REMOTE CONTROL MIRROR LEFT/RIGHT MOTOR LT BLU WIRE LT GRN WIRE MF MR MH MHR MHR ML MUL MMRY MPX-B MPX-IG FUSE MPX-IG GND MR MR+ MR- MSWE ML MUL PWE MV MVR MVR OUTER FOOT LIGHT OUTER MIRROR SWITCH P DOOR FUSE 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 REMOTE CONTROL MIRROR RSSI SENSOR SENSOR HSR THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) UP/DOWN MOTOR VIO WIRE VIO/GRN WIRE VIO/YEL WIRE VSR VSR VSSR VSSR WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

A/C FUSE D P/SEAT FUSE ABS-IG FUSE D RR-IG FUSE AIRSUS FUSE AIR CONDITIONING SYSTEM AIR CONDITIONING, BODY COMPUTER SYSTEMS ANTI-THEFT, BODY COMPUTER, DOOR LOCKS, POWER WINDOWS SYSTEMS BANC BLK WIRE BLK/WHT WIRE BLU WIRE BO (AT RIGHT REAR QUARTERPANEL) BODY COMPUTER GARAGE DOOR, INTERIOR LIGHTS SYSTEMS BODY COMPUTER, ANTI-THEFT SYSTEMS BODY COMPUTER, HORNS SYSTEMS CRUISE CONTROL, ANTI-LOCK BRAKES SYSTEMS CRUISE CONTROL, HEADLIGHTS, ELECTRONIC SUSPENSION, ANTI-LOCK BRAKES SYSTEMS D B/ANC FUSE D S/HTR FUSE D-ACC FUSE D-CIG FUSE D-ACC RELAY DRIVER SIDE J/B DRIVER SIDE J/B ECU DRIVER SIDE J/B ECU FROM SECURITY ELECTRONIC SUSPENSION SYSTEM FROM D S/HTR FROM FUSIBLE LINK BLOCK GAUGE FUSE GRN WIRE GRY WIRE IG (AT LEFT SIDE OF DASH) J/C 30 (REARWARD OF RIGHT REAR FENDERWELL) MEMORY SYSTEM NAVIGATION SYSTEM OBD FUSE PANEL FUSE PASSIVE RESTRAINTS, BODY COMPUTER SYSTEMS PNK PNK WIRE POWER OUTLET PWR OUTLET FUSE REAR CIGARETTE LIGHTER RED WIRE RED/WHT WIRE RELAY IG SEATS SYSTEM SECURITY FUSE SHIFT INTERLOCK SYSTEM STOP FUSE FUSE TI, TE FUSE TO ENGINE ROOM J/B 1 TO GAUGE TO IGNITION SWITCH (DIAGRAM 3 OF 5) TO J/C 12, J/C 13 (DIAGRAM 3 OF 5) TO PANEL TO PASSENGER SIDE J/B (P-ACC RELAY) (DIAGRAM 3 OF 5) WHT WIRE YEL WIRE

7 15 16 HRLY AIR BAG SENSOR ASSEMBLY (FRONT OF CENTER CONSOLE) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BM (AT LEFT REAR QUARTERPANEL) BRN/RED WIRE BRN/WHT WIRE BUBS COMPT) COMPUTER DATA LINES SYSTEM D-ACC FUSE DATA RSSI +5 DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU ENGINE HOOD COURTESY SWITCH (NEAR HOOD LATCH, ON FRONT CENTER OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GSW GSW RDA RSSI HDCY HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE IND BZR J/C 10, 11 J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 24 ON LEFT REAR OF LUGGAGE COMPARTMENT LID) JC-23 KEYLESS BUZZER ON/OFF SWITCH LT BLU WIRE LT GRN/BLK WIRE LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH (IN LUGGAGE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX OF SHIFT LEVER) ORG/ WIRE P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLU WIRE RCO RED WIRE RED/BLU WIRE RED/YEL WIRE SECURITY FUSE SECURITY INDICATOR LIGHT (RHEOSTAT) SH- BZRG IG THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) THEFT DETERRENT HORN (ON RIGHT REAR OF ENGINE COMPT) TKUL TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) UNLOCK WARNING SWITCH VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

13 10 MPX- BUBS 2 3 LPSW TKUL 7 15 16 HRLY 9 15 13 14 31 32 FTAL FHOR HORH HORL BLK WIRE BLK/WHT WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU EC (AT LEFT RADIATOR SIDE SUPPORT) ENGINE HOOD COURTESY SWITCH (NEAR HOOD LATCH, ON FRONT CENTER OF ENGINE COMPT) ENGINE ROOM 1 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) ENGINE ROOM 2 R/B (ON LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) FRONT CONTROLLER FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GND B+ GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HAZ FUSE HDCY HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HIC HORN TAIL FUSE FUSE HORNS SYSTEM COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES IG (AT LEFT SIDE OF DASH) INNER LUGGAGE OSCILLATOR (LEFT REAR OF LUGGAGE COMPT) J/C 10, 11 J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPARTMENT LID) JC-23 KSW PUSH LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LUG J/B FUSE LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH (IN LUGGAGE COMPT) LUGGAGE COMPARTMENT DOOR OPENER SWITCH LUGGAGE ELECTRICAL KEY SWITCH (IN LUGGAGE COMPT DECKLID) LUGGAGE ROOM J/B LUGGAGE ROOM J/B ECU MPX-B P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE STEERING LOCK ECU (LEFT SIDE OF DASH) TSW UNLOCK WARNING SWITCH VIO WIRE VIO/GRN WIRE VIO/YEL WIRE W/ COMPASS W/O COMPASS WHT WIRE WHT/BLK WIRE YEL WIRE

14 3 26 DSDN DSUP DSE 14 3 26 PSDN PSUP PSE 3 2 1 UL UP DW 4 6 26 1 CPUB BDR BANC BES BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM D B/ANC FUSE DBM+ DOWN DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) II (AT RIGHT SIDE OF SHIFT LEVER) IK (AT RIGHT SIDE OF DASH) IR (UNDER RIGHT FRONT SEAT) J/C 21 (FORWARD OF LEFT REAR FENDERWELL) LEFT FRONT SHOULDER BELT ADJUST SWITCH LT BLU WIRE MPX MPX-IG FUSE P B/ANC FUSE P DOOR FUSE FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PBM+ PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT SHOULDER BELT ADJUST SWITCH SHOULDER BELT ANCHOR MOTOR (RIGHT) (NEAR CENTER OF RIGHT "B" PILLAR) SIG VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 5 2 6 4 3 OPN CLS M+ M- CTY 4 1 8 6 7 LCTY LCM- LCM+ LCLS LOPN BLK WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BUBS MPX- MPX+ BDCY 13 2 COMPUTER DATA LINES SYSTEM DOOR LOCK SWITCH (LUGGAGE) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU FUEL OPN FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IG (AT LEFT SIDE OF DASH) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) J/C 24 (ON LEFT REAR OF LUGGAGE COMPT LID) L-O/C (P) LUGGAGE COMPARTMENT DOOR CLOSER MOTOR (ON CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE COMPARTMENT DOOR OPENER SWITCH LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX-B P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) RED WIRE RED/BLK WIRE TSW VIO WIRE VIO/GRN WIRE WHT/BLK WIRE