Toyota Corolla (E120): Circuit description

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

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

Dtc b0131/64 is recorded when an open is detected in the p/t squib (rh) circuit.

Wiring diagram

Wiring diagram

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    Circuit description
    The actuator motor is operated by signals from the cruise control ecu assy. Acceleration and deceleration signals are transmitted by changes in the duty ratio (see below). Duty ratio: the duty ratio is the ratio of the period of continuity in one cycle. For example, if a is the period of co ...

    Inspection procedure
    1 Check wire harness(airbag sensor assy center – front seat inner 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 front seat inner belt assy ( ...

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