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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    Inspection procedure
    1 Check un–lock warning switch assy Disconnect the key unlock warning switch connector.  check the continuity between the terminals of the key unlock warning switch connector, as shown in the illustration and table. Standard: 2 Check wire harness (tvip ecu unlock warni ...

    Circuit description
    The fuel trim is related to the feedback compensation value, not to the basic injection time. The fuel trim includes the short–term fuel trim and the long–term fuel trim. The short–term fuel trim is the short–term fuel compensation used to maintain the air–fuel ratio at stoichiomet ...

    AUX port/USB port
    Connect an iPod, USB memory device or portable audio player to the AUX port/USB port as indicated below. Press to select “iPod”, “USB” or “AUX”. Connecting using the AUX port/USB port ■ iPod Open the cover and connect an iPod using an iPod cable. Turn on the power of the i ...