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 b0135/73 is recorded when a short is detected in the p/t squib (lh) circuit.

Wiring diagram

Wiring diagram

Inspection procedure

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    Inspection procedure
    1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat outer belt assy lh) 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 seat belt pretensio ...

    Overhaul
    Notice: when installing, coat the parts indicated by the arrow with power steering fluid or molybdenum disulfide lithium base grease. 1. Precaution 2. Disconnect battery negative terminal 3. Inspect center front wheel 4. Remove horn button assy 5. Remove steering wheel assy sst 09950–50013 ...

    If your vehicle overheats
    The following may indicate that your vehicle is overheating. The engine coolant temperature gauge is in the red zone or a loss of engine power is experienced. (For example, the vehicle speed does not increase.) "Engine Coolant Temp High Stop in a Safe Place See Owner's Manual" is shown on ...