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

    Share this page:

    Other materials:

    Key information
    Keys The following keys are provided with the vehicle. ►  Vehicles without a smart key system (type A) 1 Keys 2 Key number plate ► Vehicles without a smart key system (type B) 1 Keys Operating the wireless remote control function 2 Key number plate ► Vehicles ...

    Noise occurs
    Inspection procedure 1 Check of speaker installation Check speaker installation condition.  Check that each speaker is securely installed. Standard: malfunction disappear. Hint: the radio is equipped with noise prevention system that does not work against the regular use of t ...

    Key confinement prevention function does not work properly (unlock warning switch circuit)
    Circuit description The unlock warning switch turns on when the key is inserted in the ignition key cylinder and the door courtesy switch turns on when the driver’s door is opened, and the integration relay monitors both switches conditions. According to these switches conditions, the int ...