Toyota Corolla (E120): Circuit description

The p squib (2nd step) circuit consists of the airbag sensor assy center and instrument panel passenger airbag assy.

It causes the srs to deploy when the srs deployment conditions are satisfied.

Dtc b1188/56 is recorded when a b+ short is detected in the p squib (2nd step) circuit.

Wiring diagram

Wiring diagram

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    Circuit inspection
    1 Check d squib circuit(airbag sensor assy center – horn button assy) 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 horn button assy.  connect the ...

    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 ...

    Inspection
    1. Inspect sliding roof limit switch Inspect the sliding roof limit switch continuity. Standard: If the continuity is not as specified, replace the switch. 2. Inspect sliding roof drive gear sub–assy Connect the positive (+) lead from the battery to terminal 2 and the ne ...