Toyota Corolla (E120): Circuit description

The door unlock detection switch is built in the door lock motor assembly. This switch is on when the door lock knob is in the unlock position and off when the knob is in the lock position. The ecu detects the door lock knob conditions in this circuit.

Wiring diagram

Inspection procedure

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    Circuit description
    The door key lock and unlock switch is built in the door lock motor. Wiring diagram Inspection procedure 1 Check door lock 2 Check wire harness (tvip ecu  door lock) Disconnect the tvip ecu and door lock connectors.  check the continuity between the terminals of the t ...

    What to do if... (Troubleshooting)
    If you have a problem, check the following before contacting your Toyota dealer. The doors cannot be locked, unlocked, opened or closed You lose your keys ● If you lose your keys or mechanical keys, new genuine keys or mechanical keys can be made by your Toyota dealer. ● If you lo ...

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