Lexus LX J100 facelift (2002-2007) body ecu (at left kick panel) Wiring diagrams

2 1 13 DEFC 29 18 4 MPX- 39 19 27 25 26 MPX- MPX+ DEFC A/C CONTROL ASSEMBLY ABS, BA, TRAC, VSC ACTUATOR (LEFT REAR OF ENGINE COMPT) AT-P BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BODY ECU (AT LEFT KICK PANEL) CENTER CLUSTER INTEGRATION PANEL CENTER DIFF LOCK CENTER DIFFERENTIAL LOCK CONTROL MOTOR (ON CENTER DIFFERENTIAL) CENTER DIFFERENTIAL LOCK CONTROL RELAY (BEHIND RIGHT SIDE OF DASH) COMBINATION METER DIFF FUSE EC (REAR OF RIGHT CYLINDER HEAD) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) EXI FUSE GATEWAY ECU GAUGE 1 FUSE GAUGE 2 FUSE GND 2 1 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START II (BEHIND RIGHT SIDE OF DASH) J/B 4 (BEHIND UPPER CENTER OF DASH) J/B 6 (BEHIND RIGHT SIDE OF DASH) J/C 18 (BEHIND RIGHT SIDE OF DASH) LEFT KICK PANEL J/B (AT LEFT KICK PANEL) LT BLU WIRE MET FUSE PARK/ NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANS- MISSION) PNK WIRE PNK/ LT LT WIRE PNK/BLK WIRE RED WIRE RED/BLU WIRE RIGHT KICK PANEL J/B RIGHT KICK PANEL J/B (AT RIGHT KICK PANEL) SUSPENSION CONTROL ECU TFN TRANSFER "L" POSITION DETECTION SWITCH (ON TRANSFER CASE) W/ LEXUS NAVIGATION SYSTEM W/O LEXUS NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

ALT-S FUSE BATTERY BATTERY GROUND BLK WIRE BLK/WHT WIRE BLU WIRE BODY ECU (AT LEFT KICK PANEL) BRN WIRE CHARGE INDICATOR COMBINATION METER COMPUTER DATA LINES SYSTEM EC (AT REAR OF RIGHT CYLINDER HEAD) ENGINE ROOM J/B (ON LEFT INNER FENDER PANEL) ENGINE ROOM J/B FR-IG FUSE (ON LEFT INNER FENDER PANEL) FUSIBLE ALT FUSE LINK BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) GENERATOR HOT AT ALL TIMES HOT IN ON OR START J/B 6 (BEHIND RIGHT SIDE OF DASH, NEAR ENGINE CONTROL MODULE) LEFT KICK PANEL J/B (AT LEFT KICK PANEL) LT BLU WIRE MET FUSE NCA WIRE PNK WIRE REG RIGHT KICK PANEL J/B (AT RIGHT KICK PANEL) SUSPENSION CONTROL ECU (BEHIND LEFT CENTER OF DASH) WHT WIRE

3 4 7 6 PRG RDA BCTY LP BACK DOOR COURTESY SWITCH (NEAR CENTER OF BACK DOOR) BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (AT LEFT KICK PANEL) DOME RELAY DOOR DOOR CONTROL RECEIVER (AT LEFT "D" PILLAR) FRONT INTERIOR LIGHT, REAR PERSONAL LIGHT FRONT PERSONAL LIGHT GRN WIRE GRN/WHT WIRE GRN/YEL WIRE IGNITION KEY CYLINDER LIGHT J/C 18 (BEHIND RIGHT SIDE OF DASH, NEAR WINDSHIELD) J/C 23 (AT LEFT REAR WHEELWELL) LEFT KICK PANEL J/B (AT LEFT KICK PANEL) LEFT KICK PANEL J/B (AT LEFT KICK PANEL) IF LEFT VANITY LIGHT LMRY LT BLU WIRE OFF ON RDA PRG REAR INTERIOR LIGHT RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT VANITY LIGHT THEFT DETERRENT ECU (BEHIND CENTER OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE

18 8 TC TAIL A/C AMPLIFIER (RIGHT REAR OF VEHICLE) A/C CONTROL ASSEMBLY A/T SHIFT LEVER ILLUMI- NATION BK (UNDER FRONT BLK WIRE BODY ECU (AT LEFT KICK PANEL) BRN WIRE CENTER CLUSTER INTEGRATION PANEL CIGARETTE ASHTRAY ILLUMI- NATION LIGHTER ILLUMI- NATION COMBINATION METER COMBINATION SWITCH DAMPING MODE SELECT SWITCH, HEIGHT CONTROL SWITCH DRIVER'S SEAT HEATER SWITCH EC (AT REAR OF RIGHT CYLINDER HEAD) ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM J/B (ON LEFT INNER FENDER PANEL) FRONT PASS- ENGER'S SEAT HEATER FUSIBLE LINK BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) GLOVE BOX LIGHT GRN WIRE GRN/BLK WIRE HEAD OFF TAIL HOT AT ALL TIMES HOT IN ON OR START ILEN J/B 1 FUSE J/B 4 (BEHIND UPPER CENTER OF DASH) J/C 10, 11 (UNDER FRONT OF CENTER CONSOLE) J/C 12, 13 (UNDER FRONT OF CENTER CONSOLE) J/C 18 (BEHIND RIGHT SIDE OF DASH, NEAR WINDSHIELD) J/C 19 (BEHIND RIGHT SIDE OF DASH) J/C 24 (AT RIGHT REAR WHEELWELL) J/C 3 (BEHIND UPPER LEFT SIDE OF DASH) J/C 4 (BEHIND UPPER LEFT SIDE OF DASH) J/C 7 (BEHIND LEFT SIDE OF DASH, FORWARD OF INSTRUMENT CLUSTER) LEFT KICK PANEL J/B (AT LEFT KICK PANEL) LEFT KICK PANEL J/B (AT LEFT KICK PANEL) GAUGE 1 FUSE LEFT POWER QUARTER WINDOW LIGHT CONTROL SWITCH COMBINATION SWITCH LT BLU WIRE MULTI-DISPLAY NIGHT VIEW SWITCH OF RIGHT FRONT SEAT) OVERHEAD J/B (AT FRONT CENTER OF ROOF) GILL PANEL FUSE RADIO, PLAYER RED/BLU WIRE REMOTE CONTROL MIRROR SWITCH RHEOSTAT RIGHT KICK PANEL J/B (AT RIGHT KICK PANEL) RIGHT POWER QUARTER WINDOW ROLL SENSING OF CURTAIN SHIELD AIR BAGS CUTOFF SWITCH SIDE OF DASH) SUB BODY ECU (AT LEFT REAR QUARTERPANEL) SWITCH TAIL RELAY TC TR W/O NAVIGATION W/ NAVIGATION WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE

BJ (UNDER LEFT FRONT SEAT) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY ECU (AT LEFT KICK PANEL) BUS - CLOSE CLOSE OPEN DCTY DOME FUSE DOOR CONTROL RECEIVER (AT LEFT "D" PILLAR) DOOR FUSE DOWN DOWN UP FUSE GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IF (BEHIND LEFT KICK PANEL) IG (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH (ON LEFT "B" PILLAR) LEFT KICK PANEL J/B (AT LEFT KICK PANEL) LT BLU WIRE MOON ROOF CONTROL ECU (ON ROOF, IN FRONT OF MOON ROOF) MOON ROOF CONTROL SWITCH MTR PCTY RDA PRG +B RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH (ON RIGHT "B" PILLAR) RIGHT KICK PANEL J/B (AT RIGHT KICK PANEL) SGND SIG SUN ROOF FUSE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 UP GND KEYE KL LMT WLSW 5 2 3 1 +B RDA PRG BJ (UNDER LEFT FRONT SEAT) BK (UNDER FRONT OF RIGHT FRONT SEAT) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (AT LEFT KICK PANEL) BRN/BLK WIRE CPUB BDR DN DCTY PCTY DOME FUSE DOOR FUSE FUSE GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IF (BEHIND LEFT KICK PANEL) IG (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 23 (AT LEFT REAR WHEELWELL) LEFT DOOR KEY LOCK, UNLOCK SWITCH (IN LEFT FRONT DOOR) LEFT FRONT DOOR UNLOCK DETECTION SWITCH (IN LEFT FRONT DOOR) LEFT FRONT POWER WINDOW MOTOR (IN LEFT FRONT DOOR) 1 2 3 4 5 6 7 8 9 10 11 12 DN LEFT KICK PANEL J/B LEFT KICK PANEL J/B (AT LEFT KICK PANEL) LEFT REAR POWER WINDOW CONTROL SWITCH LMT PLS LMT PLS SGND LMT PLS SGND UP GND LOCK LT BLU WIRE P/W(FL) FUSE P/W(FR) FUSE P/W(RL) FUSE P/W(RR) FUSE FUSE PCT BDR PCTI BDR PLS LMT POWER WINDOW MASTER SWITCH RDA PRG RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT POWER WINDOW MOTOR (IN RIGHT FRONT DOOR) RIGHT KICK PANEL J/B RIGHT KICK PANEL J/B (AT RIGHT KICK PANEL) RIGHT REAR POWER WINDOW CONTROL SWITCH SGND KUL PLS LSWD SIG SIG BECU UNLOCK VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

13 14 PNK TX+ TX- WIRE 2 3 PNK WIRE 5 4 1 SGND ACAN AUTO ANTENNA CONTROL RELAY (BEHIND GLOVE BOX) ANT BL (UNDER REAR OF RIGHT FRONT SEAT) BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BODY ECU (AT LEFT KICK PANEL) BRN WIRE CDL+ CDR+ CDR+ CDR- CDL+ CDL- MUTE COMBINATION SWITCH DVD AUTOMATIC CHANGER EAU FUSE GND LMUT TX+ TX- TMUT TX+ TX- GRN WIRE GRY WIRE HOT ALL ALL TIMES HOT IN ACC OR ON ILLUM ILLUM ANT J/B 4 (BEHIND UPPER CENTER OF DASH) LEFT KICK PANEL J/B (AT LEFT KICK PANEL) LT BLU WIRE MULTI-DISPLAY MUTE MUTE R+ L+ NCA WIRE NTDC NTSC OPTION CONNECTOR (MAYDAY ECU) ORG/ WIRE PNK 3 2 WIRE PNK TX+ TX- WIRE PNK TXM+ TXM- WIRE PNK WIRE R- L- GND RADIO FUSE RADIO, PLAYER REAR SEAT AUDIO CONTROLLER RED WIRE RED/WHT WIRE RIGHT KICK PANEL J/B (AT RIGHT KICK PANEL) RSL- RSL+ RSR- RSR+ SLD RMUT +B SGND SGND RSA R+ RSA R- RSA L+ RSA L- RMUTE ADIM SWGND TXM- W/O MAYDAY SYSTEM W/ MAYDAY SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE

AIR BAG IND (SRS) BJ (UNDER LEFT FRONT SEAT) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU (AT LEFT KICK PANEL) COMBINATION METER CURTAIN SHIELD AIR BAGS CUTOFF SWITCH (ROLL SENSING) DATA LINK CONNECTOR (DLC) 3 (RIGHT OF STEERING COLUMN) DBKL ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FPS GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE J/B 4 (BEHIND UPPER CENTER OF DASH) J/B 7 (BEHIND RIGHT SIDE OF DASH) J/C 19 (BEHIND RIGHT SIDE OF DASH) J/C 21 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 23 (AT LEFT REAR WHEELWELL) J/C 4 (BEHIND UPPER LEFT SIDE OF DASH) KICK PANEL) LEFT KICK PANEL J/B (AT LEFT KICK PANEL) LT BLU WIRE LT GRN/BLK WIRE OPTION CONNECTOR (MAYDAY ECU) ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RIGHT KICK PANEL J/B (AT RIGHT RIGHT KICK PANEL J/B (AT RIGHT KICK PANEL) RSCA OFF IND SEAT POSITION SENSOR SOLID STATE SSL+ ESL SSL- TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/WHT WIRE VUPL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/ORG WIRE YEL/PNK WIRE YEL/RED WIRE YEL/VIO WIRE

12 14 DRLP KSW A/C CONTROL ASSEMBLY IG A/C FUSE BJ (UNDER LEFT FRONT SEAT) BK (UNDER FRONT OF RIGHT FRONT SEAT) BLK WIRE BLK/ WHT WIRE BLU WIRE BODY ECU (AT LEFT KICK PANEL) BRN WIRE BUZZER CENTER AIR BAG SENSOR ASSEMBLY (UNDER FRONT OF CENTER CONSOLE) CENTER CLUSTER INTEGRATION PANEL (W/ NAVIGATION) COMBINATION METER DBKL DCTY DOME FUSE DOOR INDICATOR EC (AT REAR OF RIGHT CYLINDER HEAD) FUSE GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START I-SBW IF (BEHIND LEFT KICK PANEL) IG (BEHIND LEFT SIDE OF DASH) J/C 18 (BEHIND RIGHT CENTER OF DASH, NEAR WINDSHIELD) LEFT BUCKLE SWITCH (IN LEFT FRONT SEAT BELT BUCKLE) LEFT FRONT DOOR COURTESY SWITCH LEFT KICK PANEL J/B (AT LEFT KICK PANEL) DOOR FUSE LT BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT BUCKLE SWITCH (IN RIGHT FRONT SEAT BELT BUCKLE) RIGHT KICK PANEL J/B (AT RIGHT KICK PANEL) RIGHT KICK PANEL J/B (AT RIGHT KICK PANEL) MET FUSE S/BW SEAT BELT INDICATOR SEAT BELT WARNING OCCUPANT DETECTION SENSOR (UNDER RIGHT FRONT SEAT) SIG UNLOCK WARNING SWITCH W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE