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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    Safety information for children
    Observe the following precautions when children are in the vehicle. Use a child restraint system appropriate for the child, until the child becomes large enough to properly wear the vehicle’s seat belt. ● It is recommended that children sit in the rear seats to avoid accidental contact ...

    Inspection procedure
    Hint: the switch described in this text is a switch for transmitting signals which is built in the door control transmitter. 1 Check wireless door lock control functions Normal 2 Replace transmitter battery with normal one After replacing the transmitter battery with a new or normal o ...

    Circuit description
    The park/neutral position switch detects the shift lever position and sends signals to the ecm. Monitor description The park/neutral position switch detects the gearshift position and sends a signal to the ecm. For security, the park/neutral position switch detects the gearshift positio ...