Toyota Corolla (E120): Circuit description

This is the power source of the ecu, hence the actuators.

Wiring diagram

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 ...

    Exterior
    Doors Locking/unlocking Opening/closing the side windows Locking/unlocking by using the mechanical key*1 Warning messages Trunk Opening from inside Opening from outside Warning messages Outside rear view mirrors Adjusting the mirror angle Folding the mirrors Defogging the mirrors*2 ...

    Inspection procedure
    1 Check side squib(lh) circuit(airbag sensor assy center – front seat airbag assy lh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the front seat airbag assy ...