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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Engine Control System (DTCS) (5.6L) (3 Of 8)) >> DTC/Circuit Diagnosis >> U0284 Active Grille Shutter >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC PRIORITY 

    If DTC U0284 is displayed with another DTC UXXXX, first perform the confirmation procedure (trouble diagnosis) for DTC UXXXX.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index

    NO

    GO TO 2 .

  2. PRECONDITIONING 

    If another DTC Confirmation Procedure is conducted just before this procedure, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is 10 V or more with ignition switch ON.

    GO TO 3 .

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON and wait at least 5 seconds.
    2. Check 1st trip DTC.

    Is DTC U0284 detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    NO

    Confirmation after repair: INSPECTION END