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 b1185/57 is recorded when a short is detected in the p squib (2nd step) circuit.

Wiring diagram

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Inspection procedure
    1 Check airbag sensor assy center connector Disconnect negative (–) terminal cable from the battery, and wait at least for 90 seconds.  check the connection of the airbag sensor assy center connectors. 2 Check air bag sensor assy center Sst 09843–18040 Connect the n ...

    Inspection procedure
    Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished).  perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the act ...

    Removal and installation of engine intake parts
    If any metal tip is mixed in the inlet pass, this may give a bad effect to the engine and turbocharger.  when removing and installing the inlet system parts, close the opening of the removed inlet system parts and the engine with a clean shop rag or gummed tape.  when inst ...