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

6 26 4 5 ALTB BECU BACK DOOR LOCK ASSEMBLY BACK DOOR OPENER SWITCH BLK WIRE BLU/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 FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) 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 YEL WIRE

11 12 14 PRG RDA DCTY 2 22 6 26 4 5 15 14 BATB 25 24 31 27 26 11 10 14 1 5 UP DOWN MPX ALTB BECU BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE CLS OPN 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 CLS OPN 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 (ON FRONT CENTER OF MOON ROOF) ORG/ WIRE OVERHEAD J/B (FRONT CENTER OF ROOF) PNK WIRE RED WIRE S/ROOF FUSE UP DOWN 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 26 6 4 BECU ALTB 5 3 2 1 B+ PRG RDA BATB BDR GND PCT SGND BLK WIRE BLU WIRE BLU/BLK WIRE BN (AT LEFT "B" PILLAR) 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 2 FUSE DOOR CONTROL RECEIVER (TOP OF LEFT "D" PILLAR) ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE EG (LEFT FRONT OF ENGINE COMPT) 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 II (AT LEFT 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 28 (IN LEFT FRONT DOOR) JUNCTION CONNECTOR 28, 29 (IN LEFT FRONT DOOR) JUNCTION CONNECTOR 32, 33 (IN LEFT FRONT DOOR) JUNCTION CONNECTOR 32, 33 (IN RIGHT FRONT DOOR) JUNCTION CONNECTOR 5 KEYLESS BUZZER (LEFT FRONT FENDER ASSEMBLY) LEFT FRONT POWER WINDOW MOTOR (IN LEFT FRONT DOOR) LEFT REAR POWER WINDOW CONTROL SWITCH LEFT REAR POWER WINDOW MOTOR (IN LEFT REAR DOOR) LT BLU WIRE LT GRN WIRE ORG/ WIRE PLS PLS SSRB PNK WIRE POWER WINDOW MASTER SWITCH PWR FUSE PWS REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT POWER WINDOW MOTOR RIGHT REAR POWER WINDOW CONTROL SWITCH RIGHT REAR POWER WINDOW MOTOR (IN RIGHT REAR DOOR) RR DOOR LH FUSE RR DOOR RH FUSE SGND SGND GND SSRB SSRB PLS UNLOCK WARNING SWITCH (UNDER LEFT SIDE OF DASH) UP DN VCC VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CSLD CDR+ CDR- CDL+ CDL- MUTE 3 10 TX+ TX- 3 6 5 NTSC AMP FUSE ANT ANTENNA AMPLIFIER (CENTER OF DASH) ATX- BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION SWITCH EAU FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IL (CENTER OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) RADIO 2 FUSE 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 LT LT MODE MULTI-DISPLAY (IF EQUIPPED) MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PNK 8 9 10 WIRE PNK PNK WIRE PNK WIRE R- L- GND RADIO 1 FUSE RADIO, PLAYER RED WIRE RSLD R-R+ R-R- R-L+ R-L- RMUT ADIM PNK WIRE SEEK SWG TX- TX+ VIO WIRE VOL (-) WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CSLD CDR+ CDR- CDL+ CDL- MUTE 3 10 TX+ TX- 3 6 5 NTSC ACAN AMP FUSE ANT ANTENNA AMPLIFIER (CENTER OF DASH) ATX- BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE COMBINATION SWITCH EAU FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IL (CENTER OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) RADIO 2 FUSE 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 LT LT MODE MULTI-DISPLAY (IF EQUIPPED) MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PNK 10 11 12 WIRE PNK 5 6 WIRE PNK PNK WIRE PNK WIRE R- L- GND RADIO 1 FUSE RADIO, PLAYER RED WIRE RSLD R-R+ R-R- R-L+ R-L- RMUT ADIM PNK WIRE SEEK SWG TX- TX+ VIO WIRE VOL (-) W/ MAYDAY SYSTEM W/O MAYDAY SYSTEM WHT WIRE YEL WIRE

19 2 LBE+ LBE- ASSEMBLY BATB BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BUCKLE SWITCH (DRIVER'S SIDE) (ON LEFT SEAT BELT BUCKLE) BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM DCTY DOME FUSE DOOR 1 FUSE DOOR 2 FUSE DRIVER'S SEAT BELT IND DRIVER'S SIDE DOOR IND ECU-ACC FUSE ECU-B FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GAUGE 2 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) IK (TOP LEFT SIDE OF DASH) INIT INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) J/C 13 (CENTER OF DASH) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE SKID CONTROL ECU W/ ACTUATOR (RIGHT FRONT OF ENGINE COMPT) TIRE PRESSURE IND TIRE PRESSURE WARNING STANDARDIZATION SWITCH (LEFT SIDE OF DASH) UNLOCK WARNING SWITCH (UNDER LEFT SIDE OF DASH) VIO (OR GRY) WIRE VIO WIRE W/ MAYDAY SYSTEM W/O MAYDAY SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE