Toyota Corolla (E120): Short in p squib (2nd step) circuit (to ground)

Dtc b1187/55 short in p squib (2nd step) circuit (to ground)

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Precaution
1. Handling precautions on steering system  care must be taken when replacing parts. Incorrect replacement may affect the performance of the steering system and result in a driving hazard. 2. Handling precautions on srs airbag system  the vehicle is equipped with srs (suppl ...

Brake
Preparation Sst Recomended tools Equipment Lubricant ...

Source voltage drop
The srs is equipped with a voltage–increase circuit (dc–dc converter) in the airbag sensor assy center in case the source voltage drops. When the battery voltage drops, the voltage–increase circuit (dc–dc converter) functions to increase the voltage of the srs to normal voltage. ...