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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (3 Of 4)) >> DTC/Circuit Diagnosis >> P1568 ICC Function >> DTC Description >> PR25DD engine >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC PRIORITY 

    If DTC P1568 is displayed with DTC UXXXX, P0605 or P0607, first perform the confirmation procedure for DTC UXXXX, P0605 or P0607.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable.

    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:

    Step 4 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON.
    2. Press MAIN switch on ICC steering switch.
    3. Drive the vehicle at more than 40 km/h (25 MPH).
      CAUTION: Always drive vehicle at a safe speed.
    4. Press SET- switch.
    5. Check DTC.

    Is DTC detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Inspection .

    NO

    Confirmation after repair: INSPECTION END