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 procedure
    1 Inspect cruise control actuator assy Inspect the cruise control actuator arm locking operation.  Turn the ignition switch to off.  Disconnect the cruise control actuator assy connector.  Connect the positive (+) lead from the battery to the terminal 3 (l) of crui ...

    Data list/active test
    1. Data list Hint: according to the data list displayed by the obd ii scan tool or hand–held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the data list as the first step of troubleshooting is one method to shorten labor time. W ...

    Road test
    1. Problem symptom confirmation Taking into consideration the results of the customer problem analysis, try to reproduce the symptoms of the trouble. If the problem is that the transaxle does not shift up, shift down, or the shift point is too high or too low conduct the following road ...