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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (SRS Airbag Control System (DTCS)) >> DTC/Circuit Diagnosis >> DTC B1403: Air Bag Diagnosis Sensor Unit >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK SELF DIAGNOSTIC RESULT 

    SYMBOL CONSULT

    1. Turn ignition switch ON.
    2. Select "Self Diagnostic Result" mode of "AIR BAG".

    SYMBOL CONSULT

    1. Turn ignition switch ON.
    2. Check the air bag warning lamp status. Refer to On Board Diagnosis Function .
    NOTE: SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

    Is malfunctioning part detected?

    YES

    Refer to Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    NO

    Confirmation after repair: Inspection End.

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