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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (3 Of 6)) >> DTC/Circuit Diagnosis >> DTC P051B-00: Crankcase Pressure Sensor Range/Performance >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM DTC CONFIRMATION PROCEDURE 

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test:

    1. Start the vehicle and accelerate to 90 km/h (56 MPH), then release the accelerator pedal and keep it released for more than 10 seconds.
      CAUTION: Always drive vehicle at safe speed.
    2. Depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH) again
      NOTE:
      • Checking the vehicle speed with GST is advised.
      • When steady-state driving is performed again even after it is interrupted, each diagnosis can be conducted. In this case, the time required for diagnosis may be extended.
    3. Bring the vehicle to a complete stop, and turn ignition switch OFF for 1 minute.
    4. Start the vehicle and accelerate to 88 km/h (55 MPH) for 2 minutes.
    5. Decelerate to 73 km/h (45 MPH) by releasing the accelerator pedal completely.
    6. Accelerate to 88 km/h (55 MPH) for 20 seconds.
    7. Repeat steps 5 and 6 for 21 times.
    8. Connect CONSULT and check for current "ENGINE" diagnostic trouble codes.
    9. Check for DTC P051B-00 being current on the CONSULT screen.

    Is DTC P051B-00 current?

    YES

    Go to Diagnosis Procedure .

    NO

    Inspection End.

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