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

    Share this page:

    Other materials:

    On–vehicle inspection
    1. Inspect for electrical door lock operation Hint: w/ power window: the door control switch is built in the master switch in the driver’s door and also in the passenger’s door. W/o power window: the door control switch is in the driver’s door and also in the passenger’s d ...

    AHB (Automatic High Beam)
    The Automatic High Beam uses a front camera located on the upper portion of the windshield to detect the brightness of the lights of vehicles ahead, streetlights, etc., and automatically changes the head lights between the high beams and low beams. WARNING ■For safe use Do not overly rely on the A ...

    Inspection procedure
    1 Check d squib circuit(airbag sensor assy center – horn button assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the horn button assy.  for the oran ...