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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 5) >> DTC/Circuit Diagnosis >> DTC U1000: Can Comm Circuit (ATR Control Module) >> DTC Description >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON and wait at least 10 seconds.
    2. Check DTC.

    Is DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Intermittent Incident

    NO

    Confirmation after repair: INSPECTION END