Lexus LS III facelift (2003-2006) luggage room j/b ecu Wiring diagrams

+B MPX- TSRR 1 2 GND 1 3 8 GND MPX+ MPX- 1 9 3 21 4 30 GND IG 13 11 16 17 18 19 20 5 MPX- RMGV SMOK AUTO RHR RFR FRS SG 2 1 GND IG 6 5 4 14 HIC MPX-B MPX-IG P-GND A/C AMPLIFIER (IN LUGGAGE COMPT) A/C CONTROL ASSEMBLY AIR PURIFIER LIGHT AUDIO, REAR A/C CONTROL SWITCH B+ GND BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM COOL BOX ILLUMINATION 1 3 2 DOME FUSE DRIVER SIDE J/B A/C FUSE (AT LEFT KICK PANEL) FUSE FUSIBLE LINK BLOCK (ON RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HEATER CONTROL SWITCH (CENTER CLUSTER INTEGRATION PANEL) (W/O NAVIGATION) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IK (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR JUNCTION CONNECTOR 10 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 14, 15 (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 16, 17 (BEHIND LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE LUG J/B FUSE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX-IG FUSE MULTI-DISPLAY ORG/ WIRE P-ACC FUSE P-IG FUSE PASSENGER SIDE J/B PNK WIRE REAR BLOWER RESISTOR REAR DAMPER SERVO MOTOR (REAR CENTER OF LUGGAGE COMP) REAR MAGNETIC VALVE REAR OF LUGGAGE COMPT) RED WIRE RED/BLU WIRE RHR RR A/C FUSE RR ECU-B FUSE SMOKE SENSOR (CENTER REAR OF VEHICLE) TX- TX+ VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK 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

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

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

AIR CONDITIONING, BODY COMPUTER SYSTEMS AMP P P/SEAT FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BM (AT LEFT REAR QUARTER PANEL) BODY COMPUTER, EXTERIOR LIGHTS SYSTEMS BODY COMPUTER, INTERIOR LIGHTS SYSTEMS BODY COMPUTER, INTERIOR LIGHTS, SOUND SYSTEMS BRN WIRE CELLULAR TELEPHONE, SOUND SYSTEMS COIL FROM FUSIBLE LINK BLOCK FROM RR S/SHADE FUEL OPN FUSE FUEL OPN(P) GRY WIRE HIC BK/UP J/C 23 (REARWARD OF LEFT REAR FENDERWELL) L-ACC RELAY L-O/C (P) P-GND LCE LP FUSE LT BLU WIRE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU NAVIGATION SYSTEM NOISE FILTER ORG/ WIRE P-P/SEAT FUSE PNK WIRE POWER TOPS SYSTEM RED WIRE RELAY RR A/C FUSE RR IG FUSE RR ACC FUSE RR ECU-B FUSE RR S/HTR FUSE RR S/SHADE FUSE RR S/SHADE RELAY CONTACT RR SEAT (LH) FUSE RR SEAT (RH) FUSE S ROOF FUSE SEATS SYSTEM SOUND SYSTEMS TO FUEL OPN VIO WIRE 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

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

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