Toyota Corolla (E120): Circuit description

The p/t squib (lh) circuit consists of the airbag sensor assy center and seat belt pretensioner (lh).

It causes the srs to deploy when the srs deployment conditions are satisfied.

Dtc b0137/71 is recorded when a ground short is detected in the p/t squib (lh) circuit.

Wiring diagram

Wiring diagram

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    Precaution
    1. Handling precautions on srs airbag system The vehicle is equipped with srs (supplemental restraint system) such as the driver airbag and front passenger airbag. Failure to carry out service operation in correct sequence could cause the srs to unexpectedly deploy during servicing, po ...

    Correct use of the seat belts
    Extend the shoulder belt so that it comes fully over the shoulder, but does not come into contact with the neck or slide off the shoulder. Position the lap belt as low as possible over the hips. Adjust the position of the seatback. Sit up straight and well back in the seat. Do not twist ...

    Inspection procedure
    1 Check connector Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  check the connection of the combination meter connector and the airbag sensor assy center connectors. Ok: the connectors are connected. 2 Check combination ...