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Home >> Infiniti >> 2021 >> Q60 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (7 Of 7) >> Engine (ECM) >> DTC U1000: Can Comm Circuit >> Confirmation Procedure
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Confirmation Procedure

  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

    Refer to DTC Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Inspection .

    NO

    Confirmation after repair: INSPECTION END