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Home >> Nissan-Datsun >> 2021 >> Sentra S >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Components/Circuit Diagnosis >> Information Display (ASCD) >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK DTC 
    1. Check that DTC UXXXX is not displayed.

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Perform trouble diagnosis for DTC UXXXX. Refer to DTC Index .

  2. CHECK DTC WITH COMBINATION METER 

    Check DTC with combination meter. Refer to Work Procedure (TYPE A), Work Procedure (TYPE B).

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Perform trouble diagnosis for DTC indicated.

  3. CHECK INTERMITTENT INCIDENT 

    Check intermittent incident. Refer to Intermittent Incident .

    Is the inspection result normal?

    YES

    Replace combination meter. Refer to Removal and Installation (Type A), Removal and Installation (Type B).

    NO

    Repair or replace error-detected parts.