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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    Horn
    To sound the horn, press on or close to the mark. CAUTION ■Caution while driving Do not adjust the steering wheel while driving. Doing so may cause the driver to mishandle the vehicle and cause an accident, resulting in death or serious injury. ■After adjusting the steering wh ...

    Inspection
    1. Inspect outer mirror switch assy Inspect the mirror switch continuity.  Left side for left/right adjustment switch: inspect the mirror switch continuity Standard (left side): If the result is not as specified, replace the switch assembly.  Right side for left/r ...

    Inspection procedure
    Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...