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

A/C AMPLIFIER (RIGHT SIDE OF DASH) A/C ROOM TEMPERATURE SENSOR (BEHIND LEFT CENTER OF DASH) A/C SOLAR SENSOR (BEHIND UPPER LEFT SIDE OF DASH) A/C THERMISTOR (LEFT SIDE OF DASH) AIR AIF AOF AOD TPI TPO TPD TPP SG TE AIR INLET CONTROL SERVO MOTOR (BEHIND RIGHT SIDE OF DASH) AIR MIX CONTROL SERVO MOTOR (DRIVER SIDE) (BEHIND LEFT SIDE OF DASH) AIR MIX CONTROL SERVO MOTOR (FRONT PASSENGER SIDE) (BEHIND RIGHT SIDE OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND RIGHT SIDE OF DASH) AMDC AMDH AMPC SG-4 SG-3 SG-2 SG-1 AMPH BLK WIRE BLU WIRE BLU/BLK WIRE BLW TSD TSP BRN WIRE COMPUTER DATA LINES SYSTEM DEF ECU-B FUSE FACE FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GRN WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES II (AT LEFT KICK PANEL) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MCOOL MFRS MHOT MREC NAVIGATION SYSTEM ORG/ WIRE PNK WIRE RDI FAN FUSE RED WIRE SG-5 TELI TR VIO WIRE 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

4 3 2 1 TTLA AREA) BLK WIRE BLU WIRE BR (LEFT REAR CARGO AREA) BRN WIRE BS (RIGHT REAR OF CARGO AREA) COMBINATION METER CONVERTER TOWING ECU-B FUSE ECU-IG 2 FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HIGH MOUNTED STOP HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) J/B ECU REAR J/B (LEFT REAR SIDE OF CARGO AREA) J/C 35 (LEFT REAR OF VEHICLE, BEHIND REAR BUMPER) J/C 36 J/C 37 (AT REAR CARGO AREA) J/C 40 (RIGHT REAR OF CARGO J/C 41 (RIGHT REAR OF CARGO AREA) J/C 42 J/C 7, 8 (BEHIND LEFT SIDE OF DASH) LEFT LEFT REAR STOP LIGHT SIDE MARKER LIGHT LEFT TAIL LIGHT LIGHT LIGHT LIGHT LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE REAR LIGHT IND RIGHT LICENSE PLATE LEFT LICENSE PLATE RIGHT REAR SIDE MARKER LIGHT RIGHT STOP LIGHT RIGHT TAIL LIGHT SENSOR LIGHT FAILURE SHIFT LOCK ECU (UNDER CENTER CONSOLE, BESIDE SHIFT LEVER) SKID CONTROL ECU W/ ACTUATOR STOP FUSE STOP LIGHT SWITCH SUSPENSION CONTROL ECU (UNDER RIGHT SIDE OF DASH) TOWING FUSE TRAILER SOCKET TTRS TTLS VIO (OR GRY) WIRE VIO WIRE W/ DYNAMIC LASER CRUISE CONTROL W/ MAYDAY W/O DYNAMIC LASER CRUISE CONTROL W/O MAYDAY 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

A/T OIL TEMP IND ABS IND. ACCESS MODE IND ACTIVE CIRCUIT AFS OFF IND ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM HEADLIGHTS SYSTEM BACK DOOR IND BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING BRAKE IND BRN WIRE BUZZER CHARGE IND COMBINATION METER COMPUTER DATA LINES SYSTEM CONNECTOR 38 CRUISE CHECK IND CRUISE IND DOME FUSE DOOR GRAPHIC IND DRIVER'S SEAT BELT IND ECT SNOW IND ECU-B FUSE ELECTRONIC SUSPENSION SYSTEM ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) EXCEPT MULTI-MODE SHIFT LEVER TYPE MULTI-MODE SHIFT LEVER TYPE 3 4 FUEL FUEL IND FUEL SENDER (MAIN) (ON TOP OF FUEL TANK) FUSIBLE LINK BLOCK GRN WIRE GRY WIRE HEAD IND HEADLIGHT BEAM LEVEL IND HEADLIGHTS SYSTEM HEIGHT CONTROL HEIGHT CONTROL HIGH IND HIGH BEAM IND HOT AT ALL TIMES HOT IN ON OR START IH (AT LEFT SIDE OF DASH) II (AT LEFT KICK PANEL) IK (TOP LEFT SIDE OF DASH) ILLUMINATION (RING) IN IND INSTRUMENT GAUGE 2 FUSE PANEL J/B (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 6 LCD (ACC ODO/TRIP) LCD (SHIFT RANGE POSITION) LEFT REAR DOOR IND LEFT TURN IND LOW IND LT BLU WIRE LT GRN WIRE MAINT REQD IND MALFUNCTION IND LAMP MARK LEVINSON EXCEPT MARK LEVINSON MOPS MULTI-DISPLAY (IF EQUIPPED) NAVIGATION ECU (IF EQUIPPED) (AT REAR OF CARGO AREA) NAVIGATION SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM NORMAL IND OFF IND OIL PRESSURE IND OIL PRESSURE SWITCH (ON LEFT FRONT CORNER OF ENGINE) ORG/ WIRE PNK EXTERIOR LIGHTS SYSTEM WIRE PNK WIRE POINTER ILLUMINATION POWER SUPPLY CIRCUIT READY IND REAR LIGHT IND RED WIRE RHEOSTAT TRIP SWITCH RIGHT TURN IND RSET SLIP IND SOLID STATE SPEEDOMETER SRS IND STEREO COMPONENT AMPLIFIER (CENTER REAR OF VEHICLE) SUSPENSION CONTROL ECU (UNDER RIGHT SIDE OF DASH) SWITCH (IN BRAKE FLUID RESERVOIR) TACH TACHOMETER TC RV TEMPERATURE TIRE AIR PRESSURE IND TRAC OFF IND USA VIO WIRE VSC IND W/ MAYDAY SYSTEM W/O MAYDAY SYSTEM WASHER LEVEL IND WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

6 5 7 1 TC ACCESS MODE SWITCH BLK WIRE BLU WIRE BLU/BLK WIRE BODY ECU CENTER CLUSTER INTEGRATION PANEL MULTI DISPLAY CIGARETTE LIGHTER ILLUMINATION COMBINATION METER COMBINATION SWITCH CONSOLE BOX ILLUMINATION CSPT DOME FUSE ECU-B FUSE ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH FUSIBLE LINK BLOCK (IN ENGINE ROOM R/B) GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD OFF HEADLIGHT CLEANER SWITCH HEIGHT CONTROL SWITCH HOT AT ALL TIMES HOT IN ON OR START II (AT LEFT KICK PANEL) 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) J/B 3 INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 11 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 14, 15 (CENTER OF DASH) LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN SWITCH (INVERTER) (LEFT END OF DASH) ORG/ WIRE OVERHEAD J/B (FRONT CENTER OF ROOF) CILL PANEL FUSE POWER BACK DOOR OPENER/ CLOSER SWITCH POWER SUPPLY CIRCUIT RADIO, GLOVE PLAYER BOX LIGHT RADIO, PLAYER RED WIRE RHEOSTAT TRIP SWITCH SEAT HEATER SWITCH SWG TAIL TAIL RELAY TRANSMISSION CONTROL SWITCH VIO WIRE W/ MAYDAY SYSTEM W/O MAYDAY SYSTEM W/O NAVIGATION W/ NAVIGATION 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 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