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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (2 Of 4)) >> DTC/Circuit Diagnosis >> DTC P052A: Intake Valve Timing Control >> DTC Description >> PR25DD engine >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. PRECONDITIONING 

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is 10 V or more at idle.

    SYMBOL With CONSULT

    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.
    4. Turn ignition switch ON.
    5. On the CONSULT screen, select "ENGINE" >> "DATA MONITOR" >> "COOLANT TEMP/S".
    6. Check "COOLANT TEMP/S" indication value.

    SYMBOL With GST

    Follow the procedure "With CONSULT" above.

    Is the value of "COOLANT TEMP/S"-5 deg. C (23 deg. F) and 45 deg. C (113 deg. F)?

    YES

    GO TO 2.

    NO

    Warm up the engine until the value of "COOLANT TEMP/S" indicates -5 deg. C (23 deg. F) and 45 deg. C (113 deg. F). And then GO TO 2.

    NO

    Cool the engine down to the value of "COOLANT TEMP/S" indicates -5 deg. C (23 deg. F) and 45 deg. C (113 deg. F). And then GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch OFF and wait at 10 seconds.
    2. Turn ignition switch ON.
    3. Set the selector lever in N range.
    4. Start the engine and let it idle for 20 seconds or more.
    5. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    DTC Diagnosis Procedure 

    NO

    INSPECTION END

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