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

    Share this page:

    Other materials:

    Customization
    Customizable features Your vehicle includes a variety of electronic features that can be personalized to suit your preferences. Programming these preferences requires specialized equipment and may be performed by your Toyota dealer. Customizing vehicle features ■ Changing by using the n ...

    How to proceed with troubleshooting
    1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtc 4 Problem symptom confirmation 5 Symptom simulation 6 Dtc check 7 Dtc chart 8 Problem symptoms table 9 Circuit inspection 10 Identification of problem 11 Parts inspection 12 Repair 1 ...

    Overhaul
    1. Remove w/head taper screw plug no.2 Using a socket hexagon wench 10, remove the taper screw plug and gasket. 2. Remove valve lifter Remove the valve lifters from the cylinder head. 3. Remove valve Place the cylinder head on wooden blocks.  using sst, compres ...