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Home >> Infiniti >> 2021 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 7) >> Engine (ECM) >> DTC P0016: Intake Valve Timing Control >> Confirmation Procedure
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Confirmation Procedure

  1. 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 11 V and 16 V at idle.

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE-1 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. On CONSULT screen, select "DATA MONITOR" mode.
    3. Start engine and warm it up to the normal operating temperature.
    4. Maintain the following conditions for at least 10 consecutive seconds. Hold the accelerator pedal as steady as possible.

      ENG SPEED

      1, 200 - 2, 000 rpm

      COOLAN TEMP/S

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

      Selector lever

      P or N position

    5. Let engine idle for 10 seconds.
    6. Check DTC.

    Is DTC P0016 detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    GO TO 3.

  3. 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.)

      COOLAN TEMP/S

      More than 64 deg.C (147 deg.F)

      Selector lever

      1st or 2nd position

      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 DTC.

    Is DTC P0016 detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Inspection .

    NO

    Confirmation after repair: INSPECTION END