Toyota Corolla (E120): Circuit description

The p squib (2nd step) circuit consists of the airbag sensor assy center and instrument panel passenger airbag assy.

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

Dtc b1187/55 is recorded when ground short is detected in the p squib (2nd step) circuit.

Wiring diagram

Wiring diagram

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    Replacement
    Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. In the lh side, work in the same procedure as in the rh side. 1. Disconnect battery negative terminal 2. Remove front seat assembly rh 3. Remove front seat inner be ...

    Inspection procedure
    1 Check p squib circuit(airbag sensor assy center – instrument panel passenger airbag assy) 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 instrument panel ...

    Overhaul
    Hint: components: 1. Remove rear wheel 2. Remove spare wheel cover assy 3. Remove rear floor finish plate 4. Remove luggage compartment trim cover inner lh 5. Remove rear shock absorber with coil spring Support the rear axle beam with jack. Remove the 2 nuts and bolt. ...