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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.
  1. PRECONDITIONING-1 

    If DTC Confirmation Procedure has been previously conducted, always perform the following 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.
    NOTE: Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

    GO TO 2.

  2. PRECONDITIONING-2 
    1. Turn ignition switch ON.
    2. Clear the mixture ratio self-learning value. Refer to Description .

    Will CONSULT be used?

    YES

    GO TO 3.

    NO

    GO TO 6.

  3. PERFORM DTC CONFIRMATION PROCEDURE-1 
    1. Turn ignition switch ON.
    2. Select "COOLAN TEMP/S" in "DATA MONITOR" mode of "ENGINE" using CONSULT.
    3. Start engine.
    4. Make sure that "COOLAN TEMP/S" indicates more than 75 deg.C (167 deg.F).

    GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE-2 

    SYMBOL With CONSULT

    1. Select "SYSTEM 1 DIAGNOSIS B B1" and "SYSTEM 1 DIAGNOSIS A B1" in "DATA MONITOR" mode of "ENGINE" using CONSULT.
    2. Drive vehicle under the following conditions for at least 5 consecutive seconds.
      CAUTION:
      • Always drive vehicle at a safe speed.

      ENG SPEED

      1, 400 - 2, 400 rpm

      COOLAN TEMP/S

      More than 75 deg.C (167 deg.F)

      B/FUEL SCHDL

      11 - 16 msec

      Selector lever

      D position

      SYSTEM 1 DIAGNOSIS B B1

      PRSENT
      NOTE:
      • Drive the vehicle at approximately 88 km/h (55MPH) allows easy diagnosis.
      • Keep the accelerator pedal as possible during cruising.
    3. Check "SYSTEM 1 DIAGNOSIS A B1" indication.

    Is "CMPLT" displayed?

    YES

    GO TO 5.

    NO

    GO TO 2.

  5. PERFORM DTC CONFIRMATION PROCEDURE-3 

    Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    INSPECTION END

  6. PERFORM DTC CONFIRMATION PROCEDURE-4 

    SYMBOL Without CONSULT

    1. Start the engine and warm it up to normal operating temperature.
    2. Drive vehicle under the following conditions for at least 5 consecutive seconds.
      CAUTION:
      • Always drive vehicle at a safe speed.

      Engine speed

      1, 400 - 2, 400 rpm

      Calculated load value

      47 - 92 %

      Selector lever

      D position
      NOTE:
      • Drive the vehicle at approximately 88 km/h (55MPH) allows easy diagnosis.
      • Keep the accelerator pedal as possible during cruising.
    3. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    INSPECTION END

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