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

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    Precaution
    1. Handling precautions on srs airbag system The vehicle is equipped with srs (supplemental restraint system) such as the driver airbag and front passenger airbag. Failure to carry out service operation in correct sequence could cause the srs to unexpectedly deploy during servicing, po ...

    Driving monitor
    ■ Switching the display Items displayed can be switched by pressing the “DISP” switch. ■ Average fuel consumption Displays the average fuel consumption since the function was reset. • Press and hold the “DISP” switch to reset when the average fuel consumption is display ...

    Malfunction in clock
    Wiring diagram Inspection procedure 1 Inspect fuse Check the continuity in cig fuse.  check the continuity in dome fuse. 2 Inspect harness or connector Check voltage.  Remove the clock assy with connector still connected.  Measure voltage between ter ...