Toyota Corolla (E120): Circuit description

The p squib 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 b0108/52 is recorded when a b+ short is detected in the p squib circuit.

Wiring diagram

Wiring diagram

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    Inspection procedure
    1 Check front airbag sensor (rh) circuit (to b+)(airbag sensor assy center – airbag front rh sensor) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag front rh sensor and the airbag sen ...

    Brake Hold
    The brake hold system keeps the brake applied when the shift lever is in D, B (vehicles without paddle shift switches), M (vehicles with paddle shift switches) or N with the system on and the brake pedal has been depressed to stop the vehicle. The system releases the brake when the accelerator peda ...

    Inspection procedure
    1 Inspect skid control ecu connector(+bs terminal voltage) Disconnect the skid control ecu connector.  measure the voltage between terminals +bs (2) and gnd (1, 23) of skid control ecu harness side connector. Voltage: 10 – 14 v 2 Reconfirm dtc Check the dtc . Ok : ...