Toyota Corolla (E120): Circuit description

The key unlock warning switch comes on when the ignition key is inserted in the key cylinder and goes off when the ignition key is removed.

Wiring diagram

Inspection procedure

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    Inspection procedure
    1 Inspect stop lamp switch assy Check that the stop light lights up when brake pedal is depressed and turns off when the brake pedal is released. 2 Inspect skid control ecu terminal voltage(stp terminal) Disconnect skid control ecu connector. measure voltage between termina ...

    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 ...

    Using the AUX port
    This port can be used to connect a portable audio device and listen to it through the vehicle’s speakers. Press until “AUX” is displayed. Connecting a portable player ■Operating portable audio devices connected to the audio system The volume can be adjusted using the vehicle's ...