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

    Share this page:

    Other materials:

    Clutch
    Preparation Sst Recomended tools Equipment Lubricant ...

    Components
    Washer fluid tank Engine coolant reservoir Fuse boxes Engine oil filler cap Engine oil level dipstick Battery Brake fluid reservoir Radiator Condenser Electric cooling fan Checking the engine oil With the engine at operating temperature and turned off, check the oil level on the ...

    Symptom simulation
    Hint: the most difficult case in troubleshooting is when no symptoms occurs. In such cases, a thorough customer problem analysis must be carried out. Then the same or similar conditions and environment in which the problem occurred in the customer’s vehicle should be simulated. No matter ho ...