Toyota Yaris: Window Defogger System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
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Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Window Defogger System
| Symptom | Suspected Area | Link |
| Window defogger system does not operate | Proceed to the "Rear Window Defogger System does not Operate" |
|
OPERATION CHECK CHECK WINDOW DEFOGGER SYSTEM (a) Turn the ignition switch to ON. (b) Check that the rear window defogger wire becomes warm by operating the rear window defogger switch of the air conditioning control assembly...
TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
*1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU) (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly...
Other information:
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C142771 ABS Pump Motor Actuator Stuck Actuator pump motor does not operate properly.
Wire harness and connector
Brake actuator assembly (Pump motor)
Brake actuator assembly (Pump motor circuit)
Brake WIRING DIAGRAM Refer to DTC C052C13...
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during engine unit removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Engine assembly
Cylinder head sub-assembly
Camshaft (for intake or exhaust camshaft)
Camshaft timing gear assembly
Camshaft timing exhaust gear assembly
Fuel injector assembly
Fuel pump (for low pressure side)
Fuel pump assembly (for high pressure side)
Fuel pressure sensor (for low pressure side)
Fuel pressure sensor (for high pressure side)
Spark plug
Ignition coil assembly
Air intake system parts
Exhaust system parts
Turbocharger sub-assembly
Inspection after repair
Poor idle, etc...
Categories
WARNING
Never allow a person to ride in the luggage compartment/trunk
Allowing a person to ride in the luggage compartment/trunk is
dangerous.
The person in the luggage compartment/trunk could be seriously injured or
killed during sudden braking or a collision.
Do not drive with the liftgate/trunk lid open
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