Lexus RX II (2003-2006) body ecu (behind left side of dash) Wiring diagrams

1 7 5 10 BUS LINE BUS GND IG PGND AUTO AUTO OFF TAIL HEAD BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EC (AT REAR OF SURGE TANK) GRY WIRE HEAD AUTO OFF TAIL HEAD HEAD TAIL HEADLIGHTS CIRCUIT IC 1 IC 2 IC 3 II (AT LEFT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/C 3 LEFT HEADLIGHT LEFT HEADLIGHT BEAM LEVEL CONTROL MOTOR LEFT HEADLIGHT SWIVEL ECU LEFT HEADLIGHT SWIVEL MOTOR LT GRN WIRE MAGNET MOTOR MOTOR U MOTOR V MOTOR W OFF TAIL ORG/ WIRE PNK 1 3 2 4 WIRE PNK 9 10 WIRE RED WIRE RIGHT HEADLIGHT RIGHT HEADLIGHT BEAM LEVEL CONTROL MOTOR RIGHT HEADLIGHT SWIVEL ECU RIGHT HEADLIGHT SWIVEL MOTOR U-OUT V OUT VIO WIRE W-OUT WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 SH BZR 1 2 3 ACT+ BATB ACT- 8 9 10 11 12 13 14 15 16 17 18 19 20 21 HRLY ACTD PNK WIRE ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CSPT FSPT ACAN SNOW DOOR 1 FUSE DOOR 2 FUSE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM DRL ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HDLO HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM HORN BECU HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IG GSW LCTY PWS PKB LSWL ILE IJ (LEFT TOP OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INTERIOR LIGHTS SYSTEM II (AT LEFT KICK PANEL) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM SOUND SYSTEMS TRANSMISSIONS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM J/C 13 (CENTER OF DASH) KSW FFOG HEAD IND PNK WIRE LSWP LSWR LT BLU WIRE LT GRN WIRE MEMORY SYSTEMS MEMORY SYSTEMS MIRB MIRS ORG/ WIRE PARKING BRAKE SWITCH (LEFT END OF DASH) PBDS BDSU PCTY PCYL BCTY PNK WIRE PRG RDA DCYL DCTY RCTY RED WIRE RED/YEL WIRE SUPPLEMENTAL RESTRAINTS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM TAIL TRUNK, TAILGATE, FUEL DOORS SYSTEM EXTERIOR LIGHTS SYSTEM MEMORY SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM YEL WIRE

13 11 12 14 DCYL PRG RDA DCTY 2 3 5 1 RDA PRG +B 25 15 21 24 23 PNK BCTY FSPT WIRE BACK DOOR IND BATB BLK WIRE BLU WIRE BLU/BLK WIRE BO (LEFT REAR OF CARGO AREA) BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CTY DOME FUSE DOOR DOOR 1 FUSE DOOR 2 FUSE DOOR CONTROL RECEIVER (TOP OF LEFT "D" PILLAR) DOOR GRAPHIC IND DRIVER'S SIDE DOOR IND ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE FRONT INTERIOR LIGHT FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START II (AT LEFT KICK PANEL) IJ (LEFT TOP OF DASH) IK (TOP LEFT SIDE OF DASH) IM (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 13 (CENTER OF DASH) JUNCTION CONNECTOR 34 (LEFT REAR OF VEHICLE, BEHIND REAR BUMPER) LCTY LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (AT LEFT REAR "C" PILLAR) LEFT REAR DOOR IND LEFT VANITY LIGHT LT BLU WIRE LT GRN WIRE OFF ORG/ WIRE PASSENGER'S SIDE DOOR IND PCYL PCTY PNK WIRE RCTY REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE RIGHT FRONT DOOR COURTESY SWITCH (AT RIGHT "B" PILLAR) RIGHT REAR DOOR IND RIGHT VANITY LIGHT VIO WIRE W/ STEP LIGHT WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 GND SLD+ SLD- FRV- +B FRV+ FRV- LFT+ RCL+ LFT- RCL- 2 4 3 1 MMRY 1 2 BATB BLK WIRE BLU WIRE BLU/BLK WIRE BN (AT LEFT "B" PILLAR) BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DCTY DOOR 1 FUSE DOOR 2 FUSE DRIVER'S POWER SEAT ECU (UNDER DRIVER'S SEAT) DRIVING POSITION MEMORY SWITCH ECU- IG 1 FUSE ECU-ACC FUSE FRONT FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) ECU-B FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START II (AT LEFT KICK PANEL) IJ (LEFT TOP OF DASH) INSTRUMENT PANEL J/B P/SEAT FUSE (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 3 (RIGHT SIDE OF ENGINE COMPT) JUNCTION CONNECTOR JUNCTION CONNECTOR 13 (CENTER OF DASH) JUNCTION CONNECTOR 28 (IN LEFT FRONT DOOR) JUNCTION CONNECTOR 45, 46 (IN DRIVER'S SEAT BOTTOM) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE PNK WIRE POWER SEAT CONTROL SWITCH (DRIVER'S SEAT LUMBAR SUPPORT CONTROL) POWER SEAT MOTOR (DRIVER'S SEAT LIFTER CONTROL) (IN DRIVER'S SEAT ASSEMBLY) POWER SEAT MOTOR (DRIVER'S SEAT PNK RECLINING CONTROL) (IN DRIVER'S SEAT) WIRE POWER SEAT MOTOR (DRIVER'S SEAT SLIDE CONTROL) (IN DRIVER'S SEAT) POWER WINDOW MASTER SWITCH REAR REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE SYSB UNLOCK WARNING SWITCH (UNDER LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

11 8 5 DRL HRLY 15 22 2 7 IG 3 5 6 CLTE CLTS CLTB 4 5 6 CLTE CLTS CLTB FFOG HF 6 26 14 4 ALTB BECU AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER LEFT SIDE OF DASH) BATB TRLY BLK WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DIMMER SWITCH DOME FUSE DOOR 1 FUSE DOOR 2 FUSE EB (AT RIGHT OF SURGE TANK) ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE EG (LEFT FRONT OF ENGINE COMPT) FOG LIGHT SWITCH FR FOG FUSE FR FOG RELAY FUSIBLE LINK BLOCK GRN WIRE GRY WIRE HEAD HEAD TAIL HIGH BEAM IND HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HOT W/ TAIL RELAY ENERGIZED II (AT LEFT KICK PANEL) IK (TOP LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/C 2 (IN RIGHT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) J/C 5 (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) LEFT FRONT FOG LIGHT LIGHT CONTROL SWITCH LT GRN WIRE ORG/ WIRE PARKING BRAKE SWITCH (LEFT END OF DASH) PNK 1 2 WIRE PNK 22 15 16 23 17 PNK WIRE PNK WIRE RED WIRE RIGHT FRONT FOG LIGHT TAIL FUSE TAIL HEAD AUTO OFF TAIL OFF AUTO VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 LMVE 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 RMVR 1 2 3 4 5 6 7 8 GND 11 12 3 MIRB MIRS MIRE 2 4 3 1 MMRY ML 2 BATB BDR BDR SIG CPUB BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CPUB SIG DOOR 1 FUSE DOOR 2 FUSE DRIVING POSITION MEMORY SWITCH ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HORIZONTAL SENSOR HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HTR+ LVC VSSR HTR+ RVC VSSR INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 13 (CENTER OF DASH) JUNCTION CONNECTOR 28, 29 (IN LEFT FRONT DOOR) JUNCTION CONNECTOR 32, 33 (IN RIGHT FRONT DOOR) LEFT/RIGHT LIGHT REMOTE CONTROL MIRROR LIGHT REMOTE CONTROL MIRROR ECU (IN LEFT FRONT DOOR) LMHR LM+R HTR- HSSR LT BLU WIRE LT GRN WIRE MIRROR HEATER MSW M+ ORG/ WIRE PNK WIRE POWER WINDOW MASTER SWITCH PWR FUSE RED WIRE RED/WHT WIRE REMOTE CONTROL MIRROR SWITCH RIGHT REMOTE CONTROL MIRROR RIGHT REMOTE CONTROL MIRROR ECU (IN RIGHT FRONT DOOR) RMHR RM+R HTR- HSSR UP/DOWN VERTICAL SENSOR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TIM- +B MSW VC 2 4 3 1 MMRY 1 2 BATB BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DCTY DOOR 1 FUSE DOOR 2 FUSE DOWN DRIVING POSITION MEMORY SWITCH ECU- IG 1 FUSE ECU-ACC FUSE FUSIBLE LINK ECU-B FUSE BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START II (AT LEFT KICK PANEL) IJ (LEFT TOP OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 13 (CENTER OF DASH) JUNCTION CONNECTOR 28 (IN LEFT FRONT DOOR) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LONG VC LT BLU WIRE LT GRN WIRE MSW ORG/ WIRE POWER WINDOW MASTER SWITCH RED WIRE SHORT UP TELESCOPIC MOTOR TELESCOPIC SENSOR TEM TES TILT MOTOR TILT MOTOR (AT BASE OF STEERING COLUMN) TILT SENSOR TILT, TELESCOPIC ECU (AT BASE OF STEERING COLUMN) TIM+ TIM- GND TL, TE FUSE UNLOCK WARNING SWITCH (UNDER LEFT SIDE OF DASH) VCE VCI TIS VCI TIS IG ECUB TIM+ GND VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ 24 2 IND HAZ AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BATB IG BECU ALTB BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE CENTER CLUSTER INTEGRATION PANEL COMPUTER DATA LINES SYSTEM DOOR 1 FUSE DOOR 2 FUSE ECU-ACC FUSE ECU-B FUSE ECU-IG 1 FUSE GAUGE 1 FUSE EHW FUSIBLE LINK BLOCK (IN ENGINE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START II (AT LEFT KICK PANEL) IJ (LEFT TOP OF DASH) IL (CENTER OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/C 13 (CENTER OF DASH) J/C 14, 15 (CENTER OF DASH) LT BLU WIRE LT GRN WIRE MPX ORG/ WIRE P-AB PNK LP MPX+ P-AB GND WIRE PNK WIRE RADIO 2 FUSE ROOM R/B) TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 10 2 SH HCTY BZR 11 12 4 14 16 PRG RDA ACTD DCTY RCTY 2 22 6 15 17 26 7 14 18 9 12 3 1 4 20 5 25 BATB 5 27 21 25 23 3 LSWR LSWP ACT+ ACT- ALTB IG LCTY BECU TRLY BACK DOOR LOCK ASSEMBLY BACK DOOR OPENER SWITCH (W/O POWER BACK DOOR) BCTY PCTY BDSU BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BR (LEFT REAR CARGO AREA) BRN WIRE BUZZER COMPUTER DATA LINES SYSTEM CTYE CTYO DOOR 1 FUSE DOOR 2 FUSE ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE EG (LEFT FRONT OF ENGINE COMPT) EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START II (AT LEFT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/C 36 J/C 40 (RIGHT REAR OF CARGO AREA) J/C 5 KEYLESS BUZZER (LEFT FRONT FENDER ASSEMBLY) KSW HAZ IND TR+ 2 24 LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LSWL GND 1 HORN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE POWER BACK DOOR ECU (CENTER OF LEFT "C" PILLAR) PWS REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH (AT RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY SWITCH (AT RIGHT REAR "C" PILLAR) THEFT DETERRENT HORN (IN LEFT REAR CORNER OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 DOWN UP 11 12 14 PRG RDA DCTY 2 22 6 26 4 5 15 14 BATB 24 25 31 26 14 10 11 DOWN UP MPX IG ALTB BECU BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DOOR 1 FUSE DOOR 2 FUSE DOOR LOCKS SYSTEM ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IG ECUB II (AT LEFT KICK PANEL) IJ (LEFT TOP OF DASH) IM (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/C 11 (BEHIND LEFT SIDE OF DASH) J/C 13 (CENTER OF DASH) J/C 14, 15 (CENTER OF DASH) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MOON ROOF CONTROL ECU (FRONT CENTER OF ROOF) OPN CLS ORG/ WIRE OVERHEAD J/B (FRONT CENTER OF ROOF) PNK WIRE RED WIRE S/ROOF FUSE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE