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:

    Inspection procedure
    1 Check p/t squib(rh) circuit(airbaga sensor assy center – front seat outer belt assy rh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the seat belt pretensi ...

    Eco Driving Indicator Light customization (except vehicles with a manual transmission)
    Eco Driving Indicator Light can be activated or deactivated. 1 While the odometer is being displayed, press and hold the “DISP” switch to display the Eco Driving Indicator Light customization screen. 2 Press the “DISP” switch to set Eco Driving Indicator Light to on or off. 3 Press and ...

    Mechanical system tests
    1. Perform mechanical system tests Measure the stall speed. The object of this test is to check the overall performance of the transaxle and engine by measuring the stall speeds in the d and r positions. Notice: Do the test at normal operating atf temperature 50 to 80 °c (122 to ...