Toyota Avalon XX20 (1999-2002) ecu-b fuse Wiring diagrams

2 3 4 5 6 7 8 9 10 11 12 SIG ACT- RCTY PBKL TKU AJAR BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK (OR BLU) WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CLTB DOOR NO 1 FUSE DOOR NO. 2 FUSE DRIVER DOOR ECU (IN DOOR) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) DRL ECU-ACC FUSE ECU-B FUSE ECU-IG NO 2 FUSE ENGINE ROOM J/B (ON LEFT FRONT INNER FENDFER PANEL) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HEADLIGHTS SYSTEM HF HEAD AUTO DCTY LGC PRG RLD HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HRLY TRLY HORN STOP HU TAIL PKB DBKL KSW TC GSW BZ RDA RLU PNK WIRE ILL J/B 3 (BEHIND LEFT KICK PANEL) J/C 4 (BEHIND RIGHT SIDE OF DASH) LT GRN WIRE LT GRN/RED WIRE ORG/ WIRE PASSENGER DOOR ECU (IN DOOR) PNK/BLU WIRE POWER SEAT ECU (UNDER DRIVER'S SEAT) POWER WINDOWS SYSTEM WARNING SYSTEMS RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RRD DBEW RRU PBEW THEFT DETERRENT ECU (BEHIND RIGHT SIDE OF DASH) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU (OR BLU) WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

3 2 1 2 ON AJAR DCTY BLK WIRE BLU WIRE BLU/RED WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CPUB CTYB CTYE DASH) DIODE (LUGGAGE COMPT DOME FUSE DOOR DOOR (2000) (2001) DOOR NO 1 FUSE DOOR NO. 2 FUSE DRIVER DOOR ECU (INSIDE DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU-B FUSE ECU-IG NO 2 FUSE ENGINE ROOM J/B (ON LEFT FRONT INNER FENDER PANEL) FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) GRN WIRE GRN/BLK WIRE GRN/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY CYLINDER LIGHT ILL INTERIOR LIGHT) J/B 3 J/B 4 J/C 10 J/C 11 J/C 4 (RIGHT SIDE OF J/C 6 (BEHIND RIGHT CENTER OF DASH) LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT REAR INTERIOR LIGHT LEFT VANITY LIGHT LGC LIGHT) (RIGHT FRONT OF LUGGAGE COMPT) LUGGAGE COMP- ARTMENT LIGHT LUGGAGE COMPT LIGHT SWITCH MULTI-DISPLAY NOISE FILTER (LUGGAGE COMPT LIGHT) OFF OPEN DOOR WARNING LIGHT ORG/ WIRE PCTY PERSONAL LIGHT PNK WIRE PNK/BLU WIRE RCTY RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR INTERIOR LIGHT RIGHT VANITY LIGHT SIG W/MOON- ROOF WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

1 4 UNLK 16 14 3 21 9 RCTY 5 20 23 24 DCTY BZ 6 3 UNLK BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU COMBINATION METER CPUB CPUB GND DOOR 1 FUSE DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) DSWH ECU-B FUSE ECU-IG 2 FUSE ENGINE HOOD COURTESY SWITCH (ON CENTER FRONT OF ENGINE COMPT) ENGINE ROOM J/B (ON LEFT FRONT INNER FENDER PANEL) FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GND KEYE KUL KL LSWD GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HORN FUSE HOT AT ALL TIMES HOT IN ON OR START IND J/B 3 (BEHIND LEFT KICK PANEL) J/B 4 (BEHIND RIGHT KICK PANEL) J/C 10 (FRONT OF RIGHT INNER QUARTER PANEL) KEYE KUL KL LSWP LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR LOCK ASSEMBLY LEFT REAR DOOR COURTESY SWITCH LOCK LT GRN WIRE LUG KSW LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH ORG/ WIRE PCTY PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR LOCK ASSEMBLY RIGHT REAR DOOR COURTESY SWITCH SECURITY INDICATOR SH SH- SIG THEFT DETERRENT BUZZER (ON RIGHT REAR OF ENGINE COMPT) THEFT DETERRENT ECU (BEHIND RIGHT SIDE OF DASH) THEFT DETERRENT HORN (ON RIGHT REAR OF ENGINE COMPT) UNLOCK WARNING SWITCH VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

2 IND A/C CONTROL ASSEMBLY SPD ANTI-THEFT SYSTEM BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRN WIRE COMBINATION METER CRUISE CONTROL ECU (BEHIND LEFT CENTER OF DASH) SPD D IND DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU-B FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) TACH ENGINE ROOM J/B (ON LEFT FRONT INNER FENDER PANEL) FUEL GAUGE FUEL IND GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE HIGH BEAM IND HOT AT ALL TIMES IG 2 RELAY ILLUMINATION J/B 3 (BEHIND LEFT KICK PANEL) J/C 1 (ON TOP LEFT KICK PANEL) J/C 5 (RIGHT SIDE OF DASH) L IND LCD LEFT TURN IND LT GRN/BLK WIRE MULTI-DISPLAY N IND O/D OFF IND ODO TRIP P IND PNK/BLK WIRE PNK/BLU WIRE R IND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE REVERSE BUZZER RIGHT TURN IND SECURITY SPEED BUZZER SPEEDOMETER TACHOMETER TEMPERATURE GAUGE VIO WIRE VIO/WHT WIRE W/D WARNING SYSTEMS STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 5 6 DEF F/D FOOT B/L FACE A/C DIODE (BEHIND LEFT KICK PANEL) A/C FUSE A/CB A/C- AIR INLET CONTROL SERVO MOTOR (ON HVAC HOUSING) AIR OUTLET CONTROL SERVO MOTOR (ON HVAC HOUSING) BLK WIRE BLK/WHT WIRE BLOWER RESISTOR (BEHIND LEFT CENTER OF DASH) BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU-B FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM R/B 5 (ON LEFT INNER FENDER PANEL) FRS GRN WIRE GRN/RED WIRE GRY WIRE HEATER CONTROL SWITCH HOT IN ON OR START HTR FUSE HTR RELAY IG+ LA/C FACE B/L FOOT F/D DEF FRS REC J/B 3 (BEHIND LEFT KICK PANEL) J/B 3 (BEHIND RIGHT KICK PANEL) J/C 1 (TOP OF LEFT KICK PANEL) J/C 6 (BEHIND RIGHT CENTER OF DASH) LT GRN/BLK WIRE LT GRN/RED WIRE MULTI-DISPLAY OFF PNK WIRE REC RED WIRE RED/BLU WIRE RED/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

12 15 19 CPUB VSSR PVC 13 25 14 19 2 1 18 7 9 20 21 IG SYSB 13 8 13 18 11 GND 16 15 17 20 DMHR DM+R DMVR 17 18 16 10 11 8 PMHR PM+R PMVR 8 7 B+ GND BLK WIRE BLU WIRE BLU/ORG WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CPUB VSSR DVC DEFOGGER SYSTEM DOWN DRIVER DOOR ECU (IN DOOR) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU-B FUSE GAUGE 1 FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START HSSR J/B 3 (BEHIND LEFT KICK PANEL) J/C 11 (LEFT FRONT OF LUGGAGE COMPT) J/C 14 (UNDER DRIVER'S SEAT) J/C 3 (RIGHT CENTER OF DASH) J/C 6 (BEHIND RIGHT CENTER OF DASH) LEFT LEFT REMOTE CONTROL MIRROR LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MEMORY SET SWITCH OPERATION SWITCH ORG/ WIRE PASSENGER DOOR ECU (IN DOOR) PNK 8 WIRE PNK WIRE POWER SEAT ECU (UNDER DRIVER'S SEAT) POWER SEAT FUSE RED WIRE RED/BLK WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH RIGHT RIGHT REMOTE CONTROL MIRROR SELECT SWITCH SET- SGND MIRG MIRB MIRE SWE MMRY WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 RCL- RCL+ SLD- SLD+ LFT- LFT+ GND +B FRV- FRV+ 18 19 20 21 22 23 24 25 MIRE SGND BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE DOWN DOWN VERTICAL DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) DRIVER'S POWER SEAT CONTROL SWITCH DRIVER'S SEAT FRONT VERTICAL CONTROL MOTOR DRIVER'S SEAT FRONT VERTICAL POSITION SENSOR DRIVER'S SEAT LUMBAR CONTROL MOTOR DRIVER'S SEAT LUMBAR CONTROL SWITCH DRIVER'S SEAT REAR VERTICAL CONTROL MOTOR DRIVER'S SEAT REAR VERTICAL POSITION SENSOR DRIVER'S SEAT RECLINING CONTROL MOTOR DRIVER'S SEAT RECLINING POSITION SENSOR DRIVER'S SEAT SLIDE CONTROL MOTOR DRIVER'S SEAT SLIDE POSITION SENSOR ECU-B FUSE F VERTICAL FORWARD RECLINE FORWARD SLIDE GAUGE 1 FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START J/B 3 (BEHIND LEFT KICK PANEL) J/C 10 (RIGHT FRONT SIDE OF LUGGAGE COMPT) J/C 11 (LEFT FRONT OF LUGGAGE COMPT) J/C 14 (UNDER DRIVER'S SEAT) J/C 3 (RIGHT CENTER OF DASH) LUP FUP FDWN SYSB MEMORY MIRRORS CIRCUIT MEMORY SET SWITCH ORG/ WIRE PASSENGER'S SEAT RECLINING CONTROL MOTOR PASSENGER'S SEAT SLIDE CONTROL MOTOR PASSENGER'S SEAT VERTICAL CONTROL MOTOR PASSENGERS POWER SEAT CONTROL SWITCH POWER SEAT ECU (UNDER DRIVER'S SEAT) POWER SEAT FUSE R VERTICAL R VERTICAL DOWN REARWARD RECLINE REARWARD SLIDE RECLINE REARWARD RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE SET- SSRR SSRL VERTICAL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

A/C CONTROL ASSEMBLY, HEATER CONTROL SWITCH A/F FUSE A/F RELAY A/F SENSOR AM 2 FUSE BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BODY ECU BODY ECU, ABS ACTUATOR AND ECU, ABS ACTUATOR AND ECU BODY ECU, HORN SWITCH C/OPN RELAY DCC FUSE DEF RELAY DOME FUSE DOOR NO. 2 FUSE DRIVER DOOR ECU, LIGHT FAILURE SENSOR TO POWER OUTLET DRL NO. 2 RELAY ECU-B FUSE ECU-IG GAUGE NO 2 NO 1 FUSE FUSE DEF RELAY ECU-IG NO 1 FUSE EFI NO 1 FUSE EFI NO 2 FUSE EFI RELAY ENGINE CONTROL MODULE ENGINE CONTROL MODULE, TRANSPONDER KEY AMPLIFIER FR P/W DEF FUSE FUSE FROM DRIVER SIDE J/B FROM DRIVER SIDE J/B (DIAGRAM 1 OF 3) FROM FUSIBLE LINK BLOCK (ALT FUSE) (DIAGRAM 1 OF 3) FROM IG 1 RELAY (DIAGRAM 1 OF 3) FRONT PARKING LIGHTS, EXTERIOR LIGHTS FRONT PASS DOOR ECU NOISE FILTER, REAR WINDOW DEFOGGER GAUGE NO 2 FUSE GENERATOR GRN WIRE HAZ ALT-S FUSE FUSE HAZARD SWITCH HAZARD SWITCH WIPER WASHER SWITCH HEAD RELAY HORN FUSE HORN RELAY HORNS HTR FUSE IG 2 FUSE IG 2 RELAY IGNITION COILS INNER MIRROR J/B NO 4 (BEHIND RIGHT KICK PANEL) LT GRN WIRE MAIN FUSE MAIN SWITCH (PIN 3) (DIAGRAM 3 OF 3) MIL LAMP, MULTI- DISPLAY SHIFT LOCK ECU MIR HTR FUSE MIRROR HEATERS MOON ROOF CONTROL ECU MULTI-DISPLAY PANEL TAIL RL P/W FUSE FUSE FUSE PPL PWR RELAY PWR SEAT ECU RADIO FUSE RADIO/ PLAYER, STEREO COMPONENT AMPLIFIER, MULTI- DISPLAY RED WIRE RED/BLK WIRE RIGHT REAR WINDOW SWITCH RR P/W FUSE SRS SRS SRS WARN WARN WARN FUSE FUSE FUSE SRS WARNING WARNING WARNING LIGHT, MULTI- MULTI- MULTI- DISPLAY DISPLAY DISPLAY ST RELAY STARTER TAIL RELAY THEFT DEFERRENT ECU TO IGNITION SWITCH (DIAGRAM 1 OF 3) TURN WIP FUSE FUSE W/DRL WHT WIRE YEL WIRE

1 2 3 5 14 15 18 ACTD ACT+ PCTY LSR 12 8 13 2 3 4 CPUB GND KEYE KUL KL LSWP 23 13 9 10 22 24 CPUB GND KEYE KUL KL LSWD 5 7 11 17 20 21 24 25 DCTY PRG 6 3 2 1 UNLK ACT- TKU BLK WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU CENTER REAR OF LUGGAGE COMPT) DOME FUSE DOOR 1 FUSE DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM J/B (ON LEFT FRONT INNER FENDER PANEL) FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT IN ON DOOR 2 FUSE HOT IN ON OR START J/B 3 (BEHIND LEFT KICK PANEL) J/B 4 (BEHIND RIGHT KICK PANEL) J/C 11 (LEFT FRONT OF LUGGAGE COMPT) KSW BZ RDA LEFT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR LOCK MOTOR LOCK LT GRN WIRE LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH (RIGHT SIDE OF DASH) LUGGAGE COMPARTMENT DOOR OPENER MOTOR (MIDDLE REAR OF TRUNK LID) LUGGAGE COMPARTMENT DOOR OPENER SWITCH (LEFT SIDE OF DASH) ORG/ WIRE PNK WIRE PNK/BLU WIRE RDA PRG RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT REAR DOOR LOCK MOTOR SIG 1 7 UNLOCK WARNING SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WIRELESS DOOR LOCK BUZZER (W/ WIRELESS DOOR LOCKS) (RIGHT FRONT OF ENGINE COMPT) WIRELESS DOOR LOCK CONTROL RECEIVER (W/ WIRELESS DOOR LOCKS) (RIGHT "C" PILLAR) YEL WIRE

ALT FUSE BLK WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CENTER REAR OF LUGGAGE COMPT) DOWN DRIVER DOOR ECU (IN DOOR) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) ECU-B FUSE FL P/W FUSE FR P/W FUSE RL P/W FUSE FRONT PASSENGER DOOR ECU (IN DOOR) FUSIBLE LINK BLOCK (LEFT FRONT INNER FENDER PANEL) GRN WIRE GRN/BLK WIRE GRN/YEL WIRE HOT AT ALL TIMES J/B 3 (BEHIND RIGHT CENTER OF DASH) J/C 11 (LEFT FRONT OF LUGGAGE COMPT) J/C 6 (BEHIND RIGHT CENTER OF DASH) LEFT FRONT POWER WINDOW MOTOR LEFT REAR POWER WINDOW CONTROL SWITCH LEFT REAR POWER WINDOW MOTOR LIMIT SWITCH ORG/ WIRE PNK WIRE PNK/BLK WIRE POWER RELAY PULSE SENSOR RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT POWER WINDOW MOTOR RIGHT REAR POWER WINDOW CONTROL SWITCH RIGHT REAR POWER WINDOW MOTOR RR P/W FUSE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE