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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    On–vehicle inspection
    1. Inspect cooling system for leaks Caution: to avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure.  fill the radiator with coolant and attach a radiator cap tester.   ...

    Safety information for children
    Observe the following precautions when children are in the vehicle. Use a child restraint system appropriate for the child, until the child becomes large enough to properly wear the vehicle’s seat belt. ● It is recommended that children sit in the rear seats to avoid accidental contact ...

    Inspection procedure
    1 Inspect cruise control actuator assy Turn the ignition switch to off.  disconnect the cruise control actuator assy connector.  measure the resistance between terminals 1 (mo) and 2 (mc) of cruise control actuator assy. Hint: if control plate position is fully opened or ...