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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (1 Of 4)) >> DTC/Circuit Diagnosis >> P0101 MAF Sensor >> DTC Description >> PR25DD engine >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC PRIORITY 

    If DTC P0101 is displayed with other DTC, first perform the trouble diagnosis for other DTC.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. PRECONDITIONING 

    If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Start engine and warm it up to normal operating temperature.
    2. Drive the vehicle for at least 5 seconds under the following conditions:
      CAUTION: Always drive vehicle at safe speed.

      Selector lever

      Suitable position

      Vehicle speed

      40 km/h (25 MPH) or more
      NOTE:
      • The gear must be fixed while driving the vehicle.
      • Keep the accelerator pedal as steady as possible during cruising.
    3. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    INSPECTION END

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