Lexus LS III facelift (2003-2006) bm (at left rear quarterpanel) Wiring diagrams

BACK-UP LIGHT SWITCH (PARK/NEUTRAL POSITION SWITCH) BLK WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES IH (AT RIGHT SIDE OF SHIFT LEVER) J/C 1, 2 (LEFT FRONT OF ENGINE COMPT) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPT LID) JC-23 LEFT REAR COMBINATION LEFT BACK-UP LIGHT LIGHT LUG J/B FUSE LUGGAGE ROOM J/B ECU BK/UP MPX P-GND RED WIRE RIGHT BACK-UP LIGHT RIGHT REAR COMBINATION LIGHT VIO WIRE WHT WIRE WHT/BLK WIRE

"C" PILLAR) 12 2 HTR- LP 6 17 1 26 23 24 15 BDR 6 26 1 17 23 24 15 BDR 7 10 8 CTY CTYB CYL AUDIO, REAR A/C CONTROL SWITCH BDCY BDR GND BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BM (AT LEFT REAR QUARTERPANEL) BN (AT RIGHT REAR FLOOR PARTITION PANEL) BP (AT LEFT REAR SEAT BACK) COMPARTMENT LIGHT 1 COMPT LID) COMPUTER DATA LINES SYSTEM CTY CTY CTYB CYL D DOOR FUSE DOOR ECU (INSIDE RIGHT FRONT DOOR) DRIVER DOOR ECU FRONT PASSENGER FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IOUT ILL- GND IR (UNDER RIGHT FRONT SEAT) J/C 24 (ON LEFT REAR OF LUGGAGE J/C 27 JC-23 LCTY LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LEFT REAR DOOR COURTESY LIGHT LEFT REAR DOOR COURTESY SWITCH (AT LEFT "C" PILLAR) J/C 21 LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REMOTE CONTROL MIRROR LGCY LGLP LIGHT FOOT LUGGAGE COMPARTMENT DOOR COURTESY SWITCH (LUGGAGE COMPARTMENT DOOR CLOSER MOTOR) LUGGAGE COMPARTMENT LIGHT 2 LUGGAGE DOOR LOCK SWITCH LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPT) MPX ORG/ WIRE OUTER OUTER FOOT LIGHT P DOOR FUSE P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLU WIRE PNK/GRN WIRE REAR ARMREST COURTESY SWITCH (IN REAR SEAT) REAR CLIMATE CONTROL SEAT SWITCH REAR POWER SEAT CONTROL SWITCH (LEFT SIDE OF REAR SEAT) ILL+ REAR SUNSHADE SWITCH (IN CENTER OF REAR SEAT) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) RIGHT REAR DOOR COURTESY LIGHT RIGHT REAR DOOR COURTESY SWITCH (AT RIGHT RIGHT REAR DOOR ECU (INSIDE RIGHT REAR DOOR) RIGHT REMOTE CONTROL MIRROR RR DOOR LH FUSE RR DOOR RH FUSE RR ECU-B FUSE VIO WIRE W/ REAR POWER SEAT WHT WIRE WHT/BLK WIRE YEL WIRE

AIR BAG AIR BAG SENSOR ASSEMBLY (FRONT OF CENTER CONSOLE) BLK WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) DBKL DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) BKLR GRN WIRE HOT IN ON OR START HOT IN ON OR START DRIVER SIDE J/B (AT LEFT KICK PANEL) GAUGE FUSE IK (AT RIGHT SIDE OF DASH) J/C 14 (BEHIND UPPER CENTER OF DASH) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) LEFT FRONT BUCKLE SWITCH LEFT TENSION REDUCER SOLENOID (NEAR BASE OF LEFT "B" PILLAR) LT GRN/RED WIRE ORG/ WIRE P-IG FUSE PASSENGER SIDE J/B PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU BKLL PNK WIRE RBE+ RED WIRE RED/BLU WIRE RIGHT FRONT BUCKLE SWITCH (INSIDE OF RIGHT FRONT SEAT BELT BUCKLE) RIGHT TENSION REDUCER SOLENOID (NEAR BASE OF LEFT "B" PILLAR) WHT WIRE WHT/BLK WIRE YEL WIRE

13 2 10 12 1 MPX- MPX+ BUBS BLK WIRE BLK/WHT WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE COMBINATION METER DOME FUSE FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND LEFT END OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HIGH MOUNTED STOP LIGHT HOT AT ALL TIMES HOT IN ON OR START DRIVER SIDE J/B (AT LEFT KICK PANEL) II (AT RIGHT SIDE OF SHIFT LEVER) IH (AT RIGHT SIDE OF SHIFT LEVER) J/C 12 (BEHIND UPPER CENTER OF DASH) J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPT LID) JC-23 LCE LP FUSE LEFT LICENSE PLATE LIGHT RIGHT LICENSE PLATE LIGHT LEFT REAR COMBINATION LIGHT LUG J/B FUSE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B ECU P-GND PASSENGER SIDE J/B PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE RED WIRE RIGHT REAR COMBINATION LIGHT SIDE MARKER LAMP STOP, TAIL LAMP STOP, TAIL LAMP SIDE MARKER LAMP TAIL IND (CANADA) TURN LAMP VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AUDIO, REAR A/C CONTROL SWITCH BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BM (AT LEFT REAR QUARTERPANEL) BP (AT LEFT REAR SEAT BACK) BRN WIRE CLEARANCE SONAR ECU CLIMATE CONTROL SEAT ECU (DRIVER'S SEAT) CLIMATE CONTROL SEAT ECU (LEFT REAR SEAT) CLIMATE CONTROL SEAT SWITCH (REAR) REAR ARMREST COURTESY SWITCH DOOR LOCK SWITCH (LUGGAGE) DRIVER SEAT ECU FRONT SEAT) FUEL LID OPENER MOTOR HIGH MOUNTED STOP LIGHT J/C 21 (FORWARD OF LEFT REAR FENDERWELL) J/C 23 (REARWARD OF LEFT REAR FENDERWELL) J/C 24, 25 (ON LEFT REAR OF LUGGAGE COMPT LID) J/C 31 (BEHIND LEFT REAR SEAT BACK) LEFT FRONT BUCKLE SWITCH LEFT FRONT SEAT HEATER LEFT REAR COMBIN- ATION LIGHT LEFT REAR DOOR ECU DRIVER DOOR ECU LEFT REAR HEAD REST LIMIT SWITCH LEFT REAR SEAT ECU LEFT REAR SUSPENSION CONTROL ACTUATOR LEFT VIBRATION SEAT ECU LUGGAGE COMPARTMENT DOOR CLOSER MOTOR LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH LUGGAGE ELECTRICAL KEY SWITCH LUGGAGE OSCILLATOR (INNER) LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU LUGGAGE ROOM J/B ECU FUEL PUMP NOISE FILTER POWER SEAT CONTROL SWITCH (DRIVER'S SEAT CUSHION) POWER SEAT CONTROL SWITCH (DRIVER'S SEAT LUMBAR SUPPORT) POWER SEAT CONTROL SWITCH (REAR) POWER SEAT POSITION SENSOR (DRIVER'S SEAT CUSHION CONTROL) POWER SEAT POSITION SENSOR (REAR PASSENGER'S LEFT SEAT SLIDE CONTROL) REAR HEIGHT CONTROL VALVE REAR SUNSHADE CONTROL RELAY REAR SUNSHADE SWITCH (REAR) RIGHT REAR COMBIN- ATION LIGHT SGND TO LUGGAGE ROOM J/B (DIAGRAM 5 OF 5) W/ REAR AUDIO CONTROLLER W/ REAR POWER SEAT WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 LCM- LPSW TKUL LCTY AIR CONDITIONING SYSTEM BKUP BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BM (AT LEFT REAR QUARTERPANEL) BRN WIRE BUBS RMGV DRIVER SIDE J/B (AT LEFT KICK PANEL) FSSS FSMS FSSV SMOK AUTO RHR RFR FRS RSC LGCY FUEL OPN FUSE FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IG RSS INSTRUMENT CLUSTER SYSTEM JC-23 L-O/C(P) FUEL OPN(P) FUEL OPN(O) LCLS LOPN LCM+ LGLP LT BLU WIRE LT GRN WIRE LUG J/B FUSE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX MPX+ MPX FSMV SG FSME FSSE BDCY MPX-IG FUSE MPX-IG MPX-B HIC ORG/ WIRE P-GND PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE POWER DISTRIBUTION SYSTEM POWER TOPS SYSTEM INTERIOR LIGHTS SYSTEM POWER WINDOWS SYSTEM RED WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

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

BLK WIRE BLU WIRE BM (AT LEFT REAR QUARTERPANEL) BP (AT LEFT REAR SEAT BACK) HOT AT ALL TIMES J/C 23 (REARWARD OF LEFT REAR FENDERWELL) J/C 26 (NEAR CENTER OF REAR SPEAKER SHELF, AT BASE OF REAR WINDOW) LE LMT MD MU LT BLU WIRE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF RSC LUGGAGE COMPT) ORG/ WIRE P-GND REAR SUNSHADE REV CONTROL RELAY (BELOW CENTER OF REAR SPEAKER FSW SHELF) REAR SUNSHADE SWITCH (FRONT) REAR SUNSHADE SWITCH (REAR) (IN CENTER OF REAR SEAT) RED WIRE RR S/SHADE FUSE RR S/SHADE RELAY RSS RSW VIO WIRE WHT WIRE WHT/BLK WIRE