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. Inspect defogger relay (marking: def) Remove the defogger relay from the instrument panel j/b.  inspect the defogger relay. Standard: If the result is not as specified, replace the relay ...

    Oxygen sensor monitor (front and rear o2s system)
    Preconditions The monitor will not run unless: mil is off  drive pattern  connect the obd ii scan tool to the dlc3 to check monitor status and preconditions.  Start the engine and allow it to idle for 2 minutes or more.  Drive the vehicle at 25 mph ...

    Brake Hold
    The brake hold system keeps the brake applied when the shift lever is in D, B (vehicles without paddle shift switches), M (vehicles with paddle shift switches) or N with the system on and the brake pedal has been depressed to stop the vehicle. The system releases the brake when the accelerator peda ...