Lexus LS III facelift (2003-2006) (+) bu 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

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

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

11 25 CANH CANL 2 3 CANL CANH 24 25 CANL CANH 3 13 10 2 PNK MPX MPX- BUBS MPX+ WIRE 8 7 CANL CANH 9 10 CANL CANH 9 8 CANL CANH AFS ECU (RIGHT SIDE OF DASH) AIR SUSPENSION ECU (IF EQUIPPED) (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU WIRE BO (AT RIGHT REAR QUARTER- PANEL) BRN WIRE CLEARANCE SONAR ECU (W/ NAVIGATION) (ON LEFT SIDE OF LUGGAGE COMPARTMENT) COMBINATION SWITCH DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) 14 6 7 CANL CANH SIL DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) 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 CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) GRN WIRE IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) J/C 29 (REARWARD OF RIGHT REAR FENDERWELL) J/C 31 (W/ REAR POWER SEAT) (BEHIND LEFT REAR SEAT BACK) J/C 36, 37, 38, 39 40, 41, 42, 43 (CENTER OF DASH) J/C 44, 45, 46, 47, 48 (RIGHT SIDE OF DASH) J/C 49, 50, 51 (W/ NAVIGATION SYSTEM) (RIGHT REAR OF VEHICLE) LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REAR SEAT ECU (BEHIND LEFT SIDE OF REAR SEAT BACK) LT GRN WIRE LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK M+ WIRE PNK WIRE PNK/BLU WIRE POWER SEAT CONTROL SWITCH (REAR SEAT) (LEFT SIDE OF REAR SEAT) POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RED WIRE RED/BLU WIRE STEERING LOCK ECU (W/ SMART KEY SYSTEM) (LEFT SIDE OF DASH) STEERING SENSOR (INSIDE TOP OF STEERING COLUMN) TELEVISION CAMERA ECU (RIGHT REAR OF LUGGAGE COMPT) THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) TRANSPONDER KEY COMPUTER (W/O SMART KEY SYSTEM) (BEHIND UPPER CENTER OF DASH) VIO WIRE VIO/GRN WIRE W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YAW RATE SENSOR (BELOW REAR OF CENTER CONSOLE) 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

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