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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    Overhaul
    1. Precaution 2. Disconnect battery negative terminal 3. Inspect place front wheels facing straight ahead 4. Remove horn button assy Notice: if the airbag connector is disconnected with the ignition switch being at on, dtcs will be recorded.  using a torx socket wrench, loosen the ...

    Overhaul
    Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. In the rh side, work in the same procedure as in the lh side. 1. Remove front armrest assy lh Using a screwdriver, remove the front armrest. Hint: tape the ...

    Checking and replacing fuses
    If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. Checking and replacing fuses 1. Turn the engine switch off. 2. Open the fuse box cover. Engine compartment: type A fuse box Push the tabs in and lift the lid off. E ...