Lexus RX II facelift (2006-2009) body ecu (behind left side of dash) Wiring diagrams

4 3 MPX- MPX+ 7 12 17 18 6 21 SIL A/C AMPLIFIER (RIGHT SIDE OF DASH) AFS ECU (W/ ADAPTIVE FRONT LIGHTING SYSTEM) (LEFT SIDE OF DASH) AIRBAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) AUTO WIPER ECU (TOP RIGHT SIDE OF DASH) 22 24 BEAN IC BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE CENTER CLUSTER INTEGRATION PANEL CG SG CANH SIL COMBINATION METER DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) GATEWAY ECU (RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GTX+ GTX- HOT AT ALL TIMES II (AT LEFT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) LEFT REAR POWER WINDOW CONTROL SWITCH LEFT REMOTE CONTROL MIRROR ECU (W/ DRIVING POSITION MEMORY) (IN LEFT FRONT DOOR) LT BLU WIRE LT GRN WIRE MOON ROOF CONTROL ECU (FRONT CENTER OF ROOF) MPX OBD FUSE ORG/ WIRE OVERHEAD J/B (FRONT CENTER OF ROOF) PNK (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B WIRE PNK WIRE POWER BACK DOOR ECU (CENTER OF LEFT "D" PILLAR) POWER WINDOW MASTER SWITCH RAIN SENSOR (CENTER FRONT OF ROOF, AT WINDSHIELD) RED WIRE RIGHT REAR POWER WINDOW CONTROL SWITCH TRANSPONDER KEY COMPUTER (CENTER OF DASH) TS TC CANL WFSE BAT VIO WIRE W/ NAVIGATION W/ TIRE PRESSURE WARNING SYSTEM W/O TIRE PRESSURE WARNING SYSTEM W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

+ECU 1 2 FSR+ FSR- 16 3 2 10 1 PBEW 19 2 LBE+ LBE- 22 24 COMPUTER DATA LINES SYSTEM 7 1 2 9 5 12 GND +B AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BATB BEAN BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BUCKLE SWITCH (DRIVER'S SIDE) (ON LEFT SEAT BELT BUCKLE) BUCKLE SWITCH (FRONT PASSENGER'S SIDE) (IN SEAT BELT BUCKLE) BUZZER CENTER CLUSTER INTEGRATION PANEL (W/O NAVIGATION) CIRCUIT PWR SPLY COMBINATION METER COMPUTER DATA LINES SYSTEM DCTY DOME DOME FUSE DOOR 1 FUSE DOOR 2 FUSE DRIVE IC DRIVER'S DOOR IND DRIVER'S SEAT BELT IND ECU-B 1 FUSE CRT FUSE FRONT PASSENGER SEAT BELT WARNING LIGHT FUSE FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG GND IG+ MPX+ MPX- COMPUTER DATA LINES SYSTEM IJ (LEFT TOP OF DASH) IL (CENTER OF DASH) INSTRUMENT PANEL J/B J/B 3 (LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MULTI-DISPLAY OCCUPANT FSR- BSW FSR+ BGND CLASSIFICATION ECU (AT RIGHT FRONT SEAT) ORG/ WIRE PANEL J/B RADIO 2 FUSE (LEFT SIDE OF DASH) RED WIRE SKID CONTROL ECU (RIGHT SIDE OF DASH) SPEEDO- METER UNLOCK WARNING SWITCH (UNDER LEFT SIDE OF DASH) VIO WIRE W/ NAVIGATION W/O NAVIGATION W/O NAVIGATION W/ NAVIGATION WARNING LIGHT SEAT BELT PASSENGER FRONT WHT WIRE WHT/BLK WIRE YEL WIRE

6 26 4 5 ALTB BECU BACK DOOR LOCK ASSEMBLY (IN CENTER OF TAILGATE) BACK DOOR OPENER SWITCH (IN TAILGATE ASSEMBLY) BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BR (LEFT REAR CARGO AREA) BRN WIRE DOOR 1 FUSE DOOR 2 FUSE 2 22 15 BATB ECU- IG 1 FUSE ECU-ACC FUSE ECU-B 1 FUSE FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) 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/C 13 (CENTER OF DASH) J/C 36 (AT REAR CARGO AREA) LT GRN WIRE VIO WIRE WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 B + ACAN ADIM ATX- BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE FL- FL+ GAUGE 1 FUSE GRN WIRE GRY WIRE GVIF HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) J/C 11 (BEHIND LEFT SIDE OF DASH) J/C 16 (BEHIND RIGHT SIDE OF DASH) J/C 20, 21 (BEHIND RIGHT SIDE OF DASH) J/C 38 (AT REAR CARGO AREA) J/C 42 (REAR OF CARGO AREA) LEFT FRONT SQUAWKER LEFT TWEETER 4 3 2 1 TWL- LT BLU WIRE LT GRN WIRE MIC - NAVIGATION ECU (REAR OF CARGO AREA) NCA WIRE NTSC ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSAXLE) COMBINATION METER PNK 1 2 3 4 5 6 7 8 9 WIRE PNK TX- TX+ REV WIRE PNK WIRE RADIO, PLAYER REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE SLD STEREO COMPONENT AMPLIFIER (CENTER REAR OF VEHICLE) TWL- TX- TX+ VIO WIRE VOI- VOI+ 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 (IN CENTER OF TAILGATE) BACK DOOR OPENER SWITCH (W/O POWER BACK DOOR) (IN TAILGATE ASSEMBLY) BCTY PCTY BDSU BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BUZZER COMPUTER DATA LINES SYSTEM CTYE CTYO DOOR 1 FUSE DOOR 2 FUSE ECU- IG 1 FUSE ECU-ACC FUSE ECU-B 1 FUSE EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) 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 (AT REAR CARGO AREA) J/C 40 (AT REAR CARGO AREA) KEYLESS BUZZER (LEFT SIDE OF ENGINE COMPT) 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 "D" 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 (LEFT FRONT OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 DWN UP 12 11 14 RDA PRG DCTY 2 22 6 26 4 5 15 14 BATB 24 25 31 26 14 10 11 27 1 5 DOWN UP MPX IG 3 2 5 1 PRG RDA +B ALTB BECU BLK WIRE BLU WIRE BLU/BLK WIRE BO (LEFT REAR OF CARGO AREA) BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DOOR 1 FUSE DOOR 2 FUSE DOOR CONTROL RECEIVER (TOP OF LEFT "D" PILLAR) 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 (BEHIND LEFT KICK PANEL) IJ (UNDER LEFT TOP OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) J/C 13 (BEHIND CENTER OF DASH) J/C 14, 15 (BEHIND CENTER OF DASH) J/C 34 (LEFT REAR OF VEHICLE, BEHIND REAR BUMPER) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MOON ROOF CONTROL ECU (CENTER FRONT OF ROOF) OPN CLS ORG/ WIRE OVERHEAD J/B (CENTER FRONT OF ROOF) PNK WIRE REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE S/ROOF FUSE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

12 11 14 RDA PRG DCTY 2 22 6 26 4 5 15 14 BATB 25 24 31 27 26 11 10 14 1 5 UP DOWN MPX 3 2 5 1 PRG RDA +B ALTB BECU BLK WIRE BLU WIRE BLU/BLK WIRE BO (LEFT REAR OF CARGO AREA) BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE CLS OPN COMPUTER DATA LINES SYSTEM DOOR 1 FUSE DOOR 2 FUSE DOOR CONTROL RECEIVER (TOP OF LEFT "D" PILLAR) 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 CLS OPN II (BEHIND LEFT KICK PANEL) IJ (UNDER LEFT TOP OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/B 3 (BEHIND LEFT SIDE OF DASH) J/C 13 (BEHIND CENTER OF DASH) J/C 14, 15 (BEHIND CENTER OF DASH) J/C 34 (LEFT REAR OF VEHICLE, BEHIND REAR BUMPER) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MOON ROOF CONTROL ECU (CENTER FRONT OF MOON ROOF) ORG/ WIRE OVERHEAD J/B (CENTER FRONT OF ROOF) PNK 1 2 3 4 5 6 7 8 9 10 WIRE PNK WIRE REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE S/ROOF FUSE UP DWN ECUB IG VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

11 12 PRG RDA 12 2 11 6 1 3 5 4 8 10 7 BDR COMPUTER DATA LINES SYSTEM 12 2 11 6 1 3 5 4 8 7 9 PNK BDR COMPUTER DATA LINES SYSTEM WIRE 19 20 21 COMPUTER DATA LINES SYSTEM 4 14 2 9 16 6 20 10 12 5 19 15 1 11 7 8 KL KUL GND CPUB LSW PWS SIG BDR SGND 5 3 2 1 B+ PRG RDA BATB IG BECU ALTB BDR GND PCT SGND BLK WIRE BLU WIRE BLU/BLK WIRE BN (AT LEFT "B" PILLAR) BO (LEFT REAR OF CARGO AREA) BODY ECU (BEHIND LEFT SIDE OF DASH) BP (LOWER RIGHT "B" PILLAR) BRN WIRE BZR COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 2 12 7 11 8 3 5 4 6 1 COMPUTER DATA LINES SYSTEM PNK WIRE DOOR 1 ECU-B DOOR 2 FUSE DOOR CONTROL RECEIVER (TOP OF LEFT "D" PILLAR) ECU-ACC FUSE ECU-B 2 ECU-IG FUSE FUSE FUSE FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE 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/B 3 (LEFT SIDE OS DASH) JUNCTION CONNECTOR 13 (CENTER OF DASH) JUNCTION CONNECTOR 28, 29 (LEFT KICK PANEL) JUNCTION CONNECTOR 32, 33 (RIGHT PASSENGER'S DOOR) JUNCTION CONNECTOR 34 (LEFT REAR CARGO AREA) JUNCTION CONNECTOR 5 (LEFT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) JUNCTION CONNECTOR 61 (LEFT REAR CARGO AREA) KEYLESS BUZZER (LEFT SIDE OF ENGINE COMPT) LEFT FRONT POWER WINDOW MOTOR (IN LEFT FRONT DOOR) LEFT REAR POWER WINDOW CONTROL SWITCH LEFT REAR POWER WINDOW MOTOR (IN LEFT REAR DOOR) LH RR DOOR FUSE LT BLU WIRE LT GRN WIRE ORG/ WIRE PLS SSRB PNK LSSR WIRE PNK WIRE POWER WINDOW MASTER SWITCH PWR FUSE PWS RED WIRE RH RR DOOR FUSE RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT POWER WINDOW MOTOR (IN RIGHT FRONT DOOR) RIGHT REAR POWER WINDOW CONTROL SWITCH RIGHT REAR POWER WINDOW MOTOR (IN RIGHT REAR DOOR) SGND SGND GND SIDE OF DASH) SSRB PLS UNLOCK WARNING SWITCH (UNDER LEFT UP DN VCC VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 CSLD CDR+ CDR- CDL+ CDL- MUTE 1 2 3 4 5 6 7 8 NTSC GND SLD 1 2 3 4 5 6 VV+ ACAN ADIM AMP FUSE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) ANTENNA AMPLIFIER (CENTER OF DASH) ATX- BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION SWITCH EAU FUSIBLE GATEWAY ECU (RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GTX- HOT AT ALL TIMES HOT IN ACC OR ON ILLUM INSTRUMENT RADIO 2 FUSE PANEL J/B (LEFT SIDE OF DASH) INTERIOR LIGHTS SYSTEM ILLUM ANT IVO+ J/C 11 (BEHIND LEFT SIDE OF DASH) J/C 14, 15 (CENTER OF DASH) J/C 38 (AT REAR CARGO AREA) J/C 39 (AT REAR CARGO AREA) LT BLU WIRE LT GRN WIRE MODE MULTI-DISPLAY (W/ NAVIGATION) MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PNK ATX- WIRE PNK PNK WIRE PNK WIRE R- L- GND RADIO 1 FUSE RADIO, PLAYER RED WIRE SEEK SGND SLD STEERING PAD SWITCH SWG TX- TX+ VIO WIRE VOL (-) VV- VV- VA- W/ NAVIGATION W/O NAVIGATION W/ REAR SEAT ENTERTAINMENT WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 CSLD CDR+ CDR- CDL+ CDL- MUTE ACAN ADIM AMP FUSE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) ANTENNA AMPLIFIER (CENTER OF DASH) ATX- BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION SWITCH EAU FUSIBLE GATEWAY ECU (RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GTX- HOT AT ALL TIMES HOT IN ACC OR ON ILLUM ILLUM ANT INSTRUMENT RADIO 2 FUSE PANEL J/B (LEFT SIDE OF DASH) IVO+ J/C 11 (BEHIND LEFT SIDE OF DASH) J/C 14, 15 (CENTER OF DASH) J/C 38 (AT REAR CARGO AREA) J/C 39 (AT REAR CARGO AREA) LT BLU WIRE LT GRN WIRE MODE MULTI-DISPLAY (W/ NAVIGATION) MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PNK ATX- WIRE PNK PNK WIRE PNK WIRE R- L- GND RADIO 1 FUSE RADIO, PLAYER RED WIRE SEEK SGND SLD STEERING PAD SWITCH SWG TX- TX+ VIO WIRE VOL (-) VV- W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM W/ REAR SEAT ENTERTAINMENT SYSTEM WHT WIRE YEL WIRE