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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    How to proceed with troubleshooting
    The hand–held tester can be used at step 3, 4, 6, 9. 1 Vehicle brought to workshop 2 Customer problem analysis 3 Connect the obd ii scan tool or hand–held tester to dlc3 4 Check and clear dtc and freeze frame data 5 Visual inspection 6 Setting the check mode diagnosis 7 Proble ...

    Customizing vehicle features
    It is possible to customize the language and Eco Driving Indicator Light settings using the “DISP” switch. When customizing vehicle features, ensure that the vehicle is parked in a safe place with the shift the shift lever to P (continuously variable transmission) or N (manual transmissio ...

    Heated steering wheel/seat heaters
    Heated steering wheel Warms up the grip of the steering wheel Seat heaters Warm up the seat upholstery WARNING To prevent minor burn injuries Care should be taken if anyone in the following categories comes in contact with the steering wheel or seats when the heater is on: Babies, small chil ...