Toyota Corolla (E120): Circuit description

The side squib (lh) circuit consists of the airbag sensor assy center and front seat airbag assy (lh).

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

Dtc b0116/48 is recorded when an open is detected in the side squib (lh) circuit.

Wiring diagram

Wiring diagram

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    Inspection procedure
    1 Check side squib(lh) circuit(airbag sensor assy center – front seat airbag 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 airbag assy ...

    Replacement
    Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove seat track upper rail cover rh 4. Remove seat track upper rail cover lh 5. Remove front seat assy lh 6. Remove seat position air bag sensor Disconnect the connector of the seat position airbag sensor. ...

    Circuit description
    Refer to dtc p0130 Dtc no. Dtc detection condition Trouble area P0133 After engine has been warmed up, if response time that heated oxygen sensor’s output voltage reaches from rich to lean. Or from lean to rich, is 0.6 Second or more during idling. ...