Toyota Corolla (E120): Circuit description

The integration relay receives a switch signal from the master switch, door lock control switch or the driver’s door key and then drives the door lock motor.

Wiring diagram

Inspection procedure

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    Customization
    Customizable features Your vehicle includes a variety of electronic features that can be personalized to suit your preferences. Programming these preferences requires specialized equipment and may be performed by your Toyota dealer. Customizing vehicle features ■ Changing by using the n ...

    Inside rear view mirror
    The rear view mirror's position can be adjusted to enable sufficient confirmation of the rear view. Adjusting the height of rear view mirror The height of the rear view mirror can be adjusted to suit your driving posture. Adjust the height of the rear view mirror by moving it up and down. WARNING ...

    Inspection procedure
    1 Check courtesy lamp switch Check the courtesy switch, as shown in the illustration and table. Standard: 2 Check wire harness (integration relay  door courtesy sw) Disconnect the integration relay and door courtesy connectors.  check the continuity between th ...