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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    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 ...

    Shifting the shift lever
    Vehicles without a smart key system: While the engine switch is in the “ON” position, depress the brake pedal and move the shift lever. Vehicles with a smart key system: While the engine switch is in IGNITION ON mode, depress the brake pedal and move the shift lever. When shifting the ...

    Circuit description
    When a misfire occurs in the engine, hydrocarbons (hc) enter the exhaust in high concentrations. If this hc concentration is high enough, there could be an increase in exhaust emissions levels. High concentrations of hc passing through the catalyst also cause to temperature of the catalyst to ...