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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    Circuit description
    The ignition switch provides circuit power and the ecm provides the circuit ground that illuminates the mil. Mil operation is checked visually: it should be illuminated when the ignition is first turned on. If the mil is off all of the time or on all of the time, use the procedure below to ...

    On–vehicle inspection
    1. Inspect speedometer  check the operation. Using a speedometer tester, inspect the speedometer fro allowable indication error and check the operation of the odometer. Reference: Notice: tire wear and tire over or under inflation will increase the indication error. ...

    Windshield wiper switch assy
    Replacement 1. Remove steering column cover lwr Remove 3 screws and steering column cover lwr. 2. Remove windshield wiper switch assy Disconnect the connecter of the windshield wiper switch.  release the claw and pull out the windshield wiper switch assy as shown in the ...