Toyota Corolla (E120): Circuit description

The airbag front rh sensor circuit consists of the airbag sensor assy center and airbag front rh sensor.

Dtc b1156/b1157/15 is recorded when a malfunction is detected in the airbag front rh sensor circuit.

Wiring diagram

Wiring diagram

Inspection procedure

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    Circuit description
    Hint: these dtcs indicate a malfunction related to the primary circuit. If dtc p0351 is displayed, check the no.1 Ignition coil with igniter circuit. If dtc p0352 is displayed, check the no.2 Ignition coil with igniter circuit. If dtc p0353 is displayed, check the no.3 Ignition coil ...

    Follow the correction procedures. (vehicles with a smart key system and with a drive monitor display)
    After taking the specified steps to correct the suspected problem, check that the warning light turns off. ■SRS warning light This warning light system monitors the airbag sensor assembly, front impact sensors, side impact sensors (front door), side impact sensors (front), side impac ...