Toyota Corolla (E120): Circuit descriptionCircuit 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 b0138/72 is recorded when a b+ short is detected in the p/t squib (lh) circuit.

Wiring diagram

Wiring diagram

    Share this page:

    Other materials:

    Bluetooth® phone message function
    Received messages can be forwarded from the connected Bluetooth® phone, enabling checking and replying using the multimedia system. Depending on the type of Bluetooth® phone connected, received messages may not be transferred to the message inbox. If the phone does not support the message fu ...

    Seat belt pretensioners (front seats)
    The pretensioners help the seat belts to quickly restrain the occupants by retracting the seat belts when the vehicle is subjected to certain types of severe frontal or side collision. The pretensioners do not activate in the event of a minor frontal impact, a minor side impact, a rear impact ...

    How to proceed with troubleshooting
    Troubleshoot in accordance with the procedure on the following pages. 1 Vehicle brought to workshop 2 Customer problem analysis check and symptom check Without applicable symptoms, proceed to ”a”.  with applicable symptoms, proceed to ”b”. 3 Symptom simulation 4 Prob ...