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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    Favorites list setting
    Up to 15 contacts (maximum of 4 numbers per contact) can be registered in the favorites list. ■ Registering the contacts in the favorites list 1 Select “Add Favorite”. 2 Select the desired contact to add to the favorites list. Dimmed contacts are already stored as a favorite. 3 Chec ...

    Inspection procedure
    1 Check security indicator light Remove the security indicator.  check the indicator light, as shown in the illustration and table. Standard: 2 Check wire harness (tvip ecu  security indicator) Disconnect the tvip ecu and security indicator connectors.   ...

    Inspection procedure
    1 Check operation(starter) Check that the starter operates normally and that the engine starts. 2 Input signal check See input signal check on page 05–745.  check the indicator light when shifting into except d position. Ok: the indicator light goes off when shifting ...