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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 617 (Engine Control System (DTC/Circuit Diagnosis) (1 Of 17)) >> DTC/Circuit Diagnosis >> DTC U1000: Can Communication Circuit >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC PRIORITY 

    If DTC U1000 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.

    Is DTC P0607 detected?

    YES

    Perform diagnosis for P0607. Refer to DTC Description .

    NO

    GO TO 2.

  2. PRECONDITIONING 

    TESTING CONDITION:

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

    GO TO 3.

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

    Is DTC U1000 detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

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

    NO

    Confirmation after repair: INSPECTION END