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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    Terminals of ecu
    1. Inspect integration relay Disconnect the connector and check the continuity of each terminal of the disconnected connector. Standard : If the result is not as specified, the vehicle’s side may malfunction. Reconnect the connector and check each terminal. Standard: If ...

    If the vehicle is submerged or water on the road is rising
    This vehicle is not designed to be able to drive on roads that are deeply flooded with water. Do not drive on roads where the roads may be submerged or the water may be rising. It is dangerous to remain in the vehicle, if it is anticipated that the vehicle will be flooded or set adrift. Remain calm ...

    Circuit description
    When the brake pedal is depressed, the stop lamp switch assy sends a signal to the cruise control ecu assy. When the cruise control ecu assy receives this signal, it cancels the cruise control. A fail–safe function is provided so that cancel functions normally, even if there is a malfu ...