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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    How to proceed with troubleshooting
    Troubleshoot in accordance with the procedure on the following pages. 1 Vehicle brought to workshop 2 Customer problem analysis check and symptom check Without applicable symptoms, proceed to ”a”.  with applicable symptoms, proceed to ”b”. 3 Symptom simulation 4 Prob ...

    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 ...

    Overhaul
    1. Remove roof headlining assy 2. Remove sliding roof glass sub–assy  using a torx wrench (t25), remove the 4 screws the sliding roof glass.  pull the glass upward to remove it. 3. Remove sliding roof weatherstrip 4. Remove sliding roof drive gear sub–assy Notice: ...