Lexus RX II (2003-2006) ecu-b fuse Wiring diagrams

+SM 1 2 3 4 5 6 7 8 9 10 +1 +2 1 2 3 PNK WIRE 2 3 +S AUTO OFF AUTO +2 9 4 AUTO WIPER ECU (TOP RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BODY ECU BRN WIRE COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EA (AT RIGHT SIDE OF ENGINE COMPT) EARLY PRODUCTION EB (AT RIGHT OF SURGE TANK) ECU- IG 1 FUSE ECU-B FUSE FR WIP FUSE FRONT WASHER MOTOR (BEHIND RIGHT FRONT HEADLIGHT) FRONT WIPER MOTOR (ON LEFT SIDE OF FIREWALL) FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) FWAS AUTO +B GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN OR OR START IJ (LEFT TOP OF DASH) IM (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) WASHER FUSE J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR JUNCTION CONNECTOR 1 JUNCTION CONNECTOR 13 JUNCTION CONNECTOR 13 (CENTER OF DASH) JUNCTION CONNECTOR 18, 19 JUNCTION CONNECTOR 18, 19 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 2 LATE PRODUCTION LOW AUTO OFF +B 2 8 LT (OR LT BLU WIRE LT GRN WIRE MIST HIGH +1 MIST WIPER SWITCH HIGH LOW PNK WIRE RAIN SENSOR (CENTER FRONT OF ROOF, AT WINDSHIELD) RED WIRE SIG MPX ES VIO WIRE WASHER LEVEL IND WASHER LEVEL WARNING SWITCH (IN RIGHT FRONT CORNER OF ENGINE COMPT) WASHER SWITCH WHT WIRE WHT/BLK WIRE WIG YEL WIRE

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

1 OF 3) 2 OF 3) A/F DOOR 1 FUSE FUSE ABS 1 FUSE ABS 2 FUSE AIR CONDITIONING SYSTEM AIRSUS FUSE ALT FUSE ALT-S MAIN FUSE FUSE AM 2 FUSE AMP FUSE ANTI-THEFT, DOOR LOCKS, MIRRORS, HEADLIGHTS, ANTI-THEFT, HORNS, BODY COMPUTER SYSTEMS BATTERY BLK WIRE BLU WIRE BRN WIRE COOLING FANS SYSTEM CRT FUSE CRUISE CONTROL, ANTI-LOCK BRAKES SYSTEMS CRUISE CONTROL, TRANSMISSIONS, ENGINE CONTROLS SYSTEMS DCC DEFOGGER SYSTEM DOME TEL FUSE FUSE ECU-B FUSE EFI 1 FUSE ELECTRONIC SUSPENSION SYSTEM ENGINE CONTROLS SYSTEM ETCS FUSE EXTERIOR LIGHTS FR FOG FUSE FROM ACC RELAY (DIAGRAM FROM ALT FUSE (DIAGRAM FUEL OPN FUSE LH RR RH RR DOOR DOOR FUSE FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) FUSIBLE LINK MAIN GRN WIRE GRY WIRE H-LP CLN FUSE HEADLIGHTS, WIPER/WASHER, BODY COMPUTER SYSTEMS STARTING/ CHARGING SYSTEM HEATER FUSE HORN HAZ FUSE FUSE INP-J/B FUSE INTERIOR LIGHTS SYSTEM, GARAGE DOOR OPENER LT BLU WIRE LT GRN WIRE NCA WIRE P/SEAT FUSE PANEL FUSE PBD FUSE PNK WIRE PWR FUSE PWR OUTLET 2 FUSE RADIO 1 FUSE RDI FAN FUSE RED WIRE RR DEF FUSE S/ROOF FUSE SEATS SYSTEM SEATS, MEMORY SYSTEMS SHORT PIN SOUND SYSTEMS SOUND, NAVIGATION SYSTEMS SOUND, NAVIGATION, WARNING SYSTEMS STARTING/ CHARGING SYSTEM STOP OBD FUSE FUSE SYSTEM TAIL RELAY TO DCC FUSE (DIAGRAM 1 OF 3) TO IGN 1 RELAY (DIAGRAM 2 OF 3) TO IGNITION TO INVERTER RELAY (DIAGRAM 3 OF 3) TO REAR J/B (DIAGRAM 2 OF 3) TOWING FUSE TRLY TAIL FUSE BODY ECU FR FOG RELAY TRUNK, TAILGATE, FUEL DOORS POWER SYSTEM WINDOWS, BODY COMPUTER SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ AIR SUSPENSION SYSTEM W/O AIR SUSPENSION SYSTEM WHT WIRE WIPER/ WASHER SYSTEM 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

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

+SR -SR -SL +SL 1 2 3 4 5 6 7 8 9 10 11 12 +B DIA GND FSR- BGND BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BS (RIGHT REAR OF CARGO AREA) BUCKLE SWITCH (FRONT PASSENGER'S SIDE) (IN SEAT BELT BUCKLE) COMPUTER DATA LINES SYSTEM ECU-B FUSE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HOT AT ALL TIMES IG FSR+ BSW INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 37 LEFT FRONT OCCUPANT CLASSIFICATION SENSOR (IN LEFT SIDE OF FRONT PASSENGER SEAT) LEFT REAR OCCUPANT CLASSIFICATION SENSOR (LEFT REAR OF PASSENGER'S SEAT) LT BLU WIRE OCCUPANT CLASSIFICATION ECU (AT RIGHT FRONT SEAT) ORG/ WIRE RED WIRE RIGHT FRONT OCCUPANT CLASSIFICATION SENSOR (IN RIGHT SIDE OF PASSENGER SEAT) RIGHT FRONT SIDE AIR BAG SENSOR (AT BASE OF RIGHT "B" PILLAR) RIGHT REAR OCCUPANT CLASSIFICATION SENSOR (IN RIGHT REAR OF PASSENGER'S SEAT) RIGHT REAR SIDE AIR BAG SENSOR (AT BASE OF RIGHT "C" PILLAR) RIGHT SIDE AIR BAG SQUIB (UNDER FRONT PASSENGER'S SEAT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 BD+ 1 2 BUZZER 6 26 ALTB BECU BACK DOOR LOCK ASSEMBLY BACK DOOR OPENER SWITCH BATB BD- BLK WIRE BLU WIRE BLU/BLK WIRE BQ (BEHIND LEFT SIDE OF REAR BUMPER) BR (LEFT REAR CARGO AREA) BRN WIRE CL+ DSV CL- BD- BD+ DSG CL- CL+ GND COMPUTER DATA LINES SYSTEM COURTESY SWITCH DOOR 1 FUSE DOOR 2 FUSE DSG DSV ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE FUL CTYO FULL LATCH SWITCH 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 IJ (LEFT TOP 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 30 (LEFT REAR OF VEHICLE) J/C 36 (AT REAR CARGO AREA) J/C 40 (RIGHT REAR OF CARGO AREA) J/C 41 (RIGHT REAR OF CARGO AREA) LT BLU WIRE LT GRN WIRE NEUTRAL SWITCH ORG/ WIRE OSL OSE OSR OSLE OSRE PBD FUSE PBDS BCTY PNK WIRE PNK PNK WIRE PNK WIRE POS POWER BACK DOOR CLOSER SWITCH POWER BACK DOOR DRIVER UNIT (RIGHT SIDE OF DASH) POWER BACK DOOR OFF SWITCH POWER BACK DOOR OPENER/ CLOSER SWITCH POWER BACK DOOR WARNING BUZZER REAR J/B (LEFT REAR SIDE OF CARGO AREA) RED WIRE SECONDARY LATCH SWITCH VIO WIRE WHT WIRE WHT/BLK 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