Toyota Corolla (E120): Circuit descriptionCircuit 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 b0138/72 is recorded when a b+ short is detected in the p/t squib (lh) circuit.

Wiring diagram

Wiring diagram

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    Inspection
    1. Inspect sliding roof limit switch Inspect the sliding roof limit switch continuity. Standard: If the continuity is not as specified, replace the switch. 2. Inspect sliding roof drive gear sub–assy Connect the positive (+) lead from the battery to terminal 2 and the ne ...

    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. release the airbag ...

    Tape is tangled due to incorrect tape speed or auto–reverse malfunction
    Inspection procedure 1 Check for any foreign object Check for any foreign object. Check that no foreign material and troubles are detected in the radio receiver assembly cassette tape player. Standard: no foreign material and trouble detected. 2 Replace cassette tape with an ...