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
    1. Fuel injector assy Inspect injector resistance.  Using an ohmmeter,measure the resistance between the terminals. Resistance: 13.4 – 14.2 Ω at 20 c (68 f) Inspect injector inspection Caution: keep injector clear of sparks during the test.  Purch ...

    Overhaul
    Hint: overhaul the rh side by the same procedure as the lh side. 1. Remove front wheel 2. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 3. Remove front disc brake cylinder sub–assy Remove the union bolt and gasket ...

    Handling of hose clamps
    Before removing the hose, check the depth of the inserting portion and the clamp position in order to restore it surely.  change a deformed or dented clamp for a new one.  in case of reusing the hose, install the clamp on the hose where it has a clamp track.  for a ...