Toyota Corolla (E120): Circuit description

The key unlock warning switch comes on when the ignition key is inserted in the key cylinder and goes off when the ignition key is removed.

Wiring diagram

Inspection procedure

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    If you think something is wrong
    If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible. Visible symptoms Fluid leaks under the vehicle. (Water dripping from the air conditioning after use is normal.) Flat-looking tires or uneven tire wear ...

    Inspection
    1. Inspect driver’s door lock Inspect the door lock motor operation. Standard: If the result is not as specified, replace the door lock assembly. Inspect the door lock and unlock switch continuity. Standard: If the result is not as specified, replace the door lock assem ...

    USB Port/AUX Port
    Connect an iPod, USB memory device or portable audio player to the USB/AUX port as indicated below. Select “iPod”, “USB” or “AUX” on the audio source selection screen and the device can be operated via multimedia system. Connecting using the USB/AUX port ■ iPod Open the cove ...