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 b1188/56 is recorded when a b+ short is detected in the p squib (2nd step) circuit.

Wiring diagram

Wiring diagram

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    How to proceed with troubleshooting
    Hint: carry out troubleshooting in accordance with the procedures on the following page. Here, only the basic procedures are shown. Details are provided in the diagnostics section, showing the most effective methods for each circuit. Confirm the troubleshooting procedures first for the releva ...

    Replacement
    Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove instrument panel sub–assy lower Remove the screw from the glove compartment door stopper sub–assy.  pull the instrument panel sub–assy lower to remove it. 4. Separate passenger airbag co ...

    Driving
    ►  Automatic transmission or continuously variable transmission 1 With the brake pedal depressed, shift the shift lever to D. (, 174, 176) 2 Release the parking brake. 3 Gradually release the brake pedal and gently depress the accelerator pedal to accelerate the vehicle. ► ...