Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2021 >> Qashqai SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 4) >> Engine (ECM) >> DTC P0016: Intake Valve Timing Control >> Confirmation Procedure

Confirmation Procedure

  1. CHECK DTC PRIORITY 

    If DTC P0016 is displayed with DTC P0075, first perform the trouble diagnosis for DTC P0075.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Description .

    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.

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is between 10 V and 16 V at idle.

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE-1 

    SYMBOL With CONSULT

    1. Turn ignition switch ON and select "DATA MONITOR" mode of "ENGINE" using CONSULT.
    2. Start engine and warm it up to normal operating temperature.
    3. Maintain the following conditions for at least 6 consecutive seconds. Hold the accelerator pedal as steady as possible.

      ENG SPEED

      1, 200 - 2, 000 rpm

      COOLANT TEMP/S

      More than 60 deg.C (140 deg.F)

      Selector lever

      P or N position (CVT)

      Neutral position (M/T)

    4. Stop vehicle with engine running and let engine idle for 10 seconds.
    5. Check 1st trip DTC.

    SYMBOL With GST

    Follow the procedure "With CONSULT" above.

    Is 1st trip DTC detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE-2 

    SYMBOL With CONSULT

    1. Maintain the following conditions for at least 20 consecutive seconds.

      ENG SPEED

      1, 200 - 3, 175 rpm (A constant rotation is maintained.)

      COOLANT TEMP/S

      More than 60 deg.C (140 deg.F)

      Selector lever

      D position (CVT)

      1st or 2nd position (M/T)

      Driving location

      Driving vehicle uphill

      (Increased engine load will help maintain the driving conditions required for this test.)

      CAUTION: Always drive at a safe speed.
    2. Check 1st trip DTC.

    SYMBOL With GST

    Follow the procedure "With CONSULT" above.

    Is 1st trip DTC detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Inspection .

    NO

    Confirmation after repair: INSPECTION END