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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 471 (Automatic Transmission (Re5R05A) (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC P0720: Output Speed Sensor >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • Always drive vehicle at a safe speed.
  • Be careful not to rev engine into the red zone on the tachometer.
NOTE: If "DTC CONFIRMATION PROCEDURE" has been previously performed, always turn ignition switch OFF. Then wait at least 10 seconds before performing the next test.
  1. CHECK OUTPUT SPEED SENSOR AND VEHICLE SPEED SIGNAL 

    SYMBOL With CONSULT

    1. Start the engine.
    2. Select "Data Monitor" in "TRANSMISSION".
    3. Drive vehicle and check for an increase of "VHCL/S SE-A/T" value in response to "VHCL/S SE-MTR" value.

      VHCL/S SE-A/T

      : Approximately matches the speedometer reading.

      VHCL/S SE-MTR

      : Approximately matches the speedometer reading.

    Are "VHCL/S SE-A/T" and "VHCL/S SE-MTR" values correct?

    YES

    GO TO 2.

    NO

    Go to Diagnosis Procedure .

  2. CHECK DTC DETECTION (PART 1) 

    SYMBOL With CONSULT

    1. Select "Data Monitor" in "TRANSMISSION".
    2. Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.

      VHCL/S SE-A/T

      : 30 km/h (19 MPH) or more

      ACCELE POSI

      : More than 1.0/8

      SLCT LVR POSI

      : "D" position

      Drive location

      : Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.

    SYMBOL Without CONSULT

    1. Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.

      Vehicle speed

      : 30 km/h (19 MPH) or more

      Accelerator opening

      : More than 1.0/8

      Selector lever position

      : "D" position

      Drive location

      : Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.
    2. Perform the self-diagnosis.

    Is "P0720" detected? / Is "A/T CHECK indicator lamp judgment flicker: 1st" detected?

    YES

    Go to Diagnosis Procedure .

    NO

    GO TO 3.

  3. CHECK DTC DETECTION (PART 2) 

    SYMBOL With CONSULT

    1. Select "Data Monitor" in "TRANSMISSION".
    2. Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.

      ACCELE POSI

      : More than 1.0/8

      ENGINE SPEED

      : 3, 500 rpm or more

      SLCT LVR POSI

      : "D" position

      Drive location

      : Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.

    SYMBOL Without CONSULT

    1. Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.

      Accelerator opening

      : More than 1.0/8

      Engine speed

      : 3, 500 rpm or more

      Selector lever position

      : "D" position

      Drive location

      : Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.
    2. Perform the self-diagnosis.

    Is "P0720" detected? / Is "A/T CHECK indicator lamp judgment flicker: 1st" detected?

    YES

    Go to Diagnosis Procedure .

    NO

    Check intermittent incident. Refer to Intermittent Incident .

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