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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    Replacement
    Hint: components: 1. Discharge refrigerant from refrigeration system sst 07110–58060 (07117–58080, 07117–58090, 07117–78050, 07117–88060, 07117–88070, 07117–88080) 2. Disconnect cooler refrigerant suction hose no.1   Remove the bolt and disconnect the cooler refriger ...

    Interior
    SRS airbags Floor mats Front seats Head restraints Seat belts Console box Inside lock buttons Cup holders Rear seats Rear seat heater switches* *: If equipped ■Ceiling Inside rear view mirror Sun visors Vanity mirrors Vanity lights* Interior lights/personal lights Moon roof sw ...

    Check and replace ecu
    Notice: start an inspection of the connector from the backside of the connector on the wire harness side with the connector connected to the ecu. When no measurement condition is specified, perform the inspection with the engine stopped and also the ignition switch on. First check the ec ...