Toyota Corolla (E120): Circuit description

The door courtesy switch turns on when the door is opened and off when the door is closed.

Wiring diagram

Inspection procedure

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    Inspection
    1. Power window system circuit 2. Inspect power window regulator master switch assy Inspect the master switch continuity. [Driver’s switch (window unlock and lock)] Standard: [Front passenger’s switch (window unlock)] standard: [Front passenger’s switch (window lock)] ...

    Engine mechanical
    Preparation Sst Recomended tools Ssm Equipment Exhaust Preparation Equipment ...

    Circuit description
    The intake air temperature (iat) sensor, mounted on the mass air flow (maf) sensor, monitors the intake air temperature. The iat sensor has a thermistor that varies its resistance depending on the temperature of the intake air. When the air temperature is low, the resistance in the thermisto ...