Toyota Corolla (E120): Circuit description

If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu.

Wiring diagram

Inspection procedure

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    Inspection procedure
    1 Check front airbag sensor (lh) circuit (to b+)(airbag sensor assy center – airbag sensor front 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 airbag ...

    Have the malfunction repaired immediately. (vehicles with a smart key system)
    After taking the specified steps to correct the suspected problem, check that the warning message and light go off. ■Warning buzzer ...

    Rear axle beam assy
    Replacement Hint: components:  1. Remove rear wheel  remove the rh and lh rear wheels. 2. Remove rear brake drum sub–assy 3. Separate skid control sensor wire Disconnect the skid control sensor connector.  remove the 2 bolts and separate the wire harness clamp ...