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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    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 ...

    Inspection procedure
    1 Inspect fuse(ecu–ig fuse) Remove ecu–ig fuse from the instrument panel j/b.  check continuity of ecu–ig fuse. Ok: continuity 2 Inspect battery Ok: voltage: 10 – 14 v 3 Inspect skid control ecu connector(ig1 terminal voltage) In case of using hand–held te ...

    Inspection procedure
    1 Inspect shift solenoid valve(sl) Remove the shift solenoid valve sl.  measure the resistance according to the value(s) in the table below. Standard: Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (–) battery lead to the so ...