Toyota Corolla (E120): Circuit description

The d squib (2nd step) circuit consists of the airbag sensor assy center, spiral cable sub–assy and horn button assy.

It causes the srs to deploy when the srs deployment conditions are satisfied.

Dtc b1183/22 is recorded when a b+ short is detected in the d squib (2nd step) circuit.

 

Wiring diagram

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    Inspection procedure
    1 Check side squib(rh) circuit(airbag sensor assy center – front seat airbag assy rh) 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 ...

    Overhaul
    Caution: wear the gloves, because the cutting surface of the seat back frame and seat adjuster may injure your hand. Hint: tape the screwdriver tip before use when prying parts. 1. Disconnect battery negative terminal Caution: wait for 90 seconds after disconnecting the battery terminal a ...

    PCS (Pre-Collision System)
    The pre-collision system uses sensors to detect objects in the path of the vehicle. When the system determines that the possibility of a frontal collision with a detectable object is high, a warning operates to urge the driver to take evasive action and the potential brake pressure is increased to h ...