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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    Disposal
    Hint: when scrapping vehicle equipped with an srs or disposing of a instrument panel passenger airbag assy, always first deploy the airbag in accordance with the procedure described below. If any abnormality occurs with the airbag deployment, contact the service dept. Of toyota motor sales, ...

    Diagnostic trouble code chart
    The inspection procedures are shown in the table below. This table allows efficient and accurate troubleshooting using the diagnostic trouble codes displayed in the diagnostic trouble code chart. Proceed with troubleshooting in accordance with the inspection procedures listed in the diagnost ...

    Inspection procedure
    1 Check wire harness(dlc3 – airbag sensor assy center) Turn the ignition switch to the lock position.  disconnect the aribag sensor assy center connector.  measure the resistance according to the value(s) in the table below. Standard: 2 Check wire harness(cg of dl ...