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Home >> Infiniti >> 2017 >> QX50 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 4) >> DTC / Circuit Diagnosis >> DTC U1003: Can Comm Circuit >> DTC Logic >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. PRECONDITIONING

    TESTING CONDITION: 

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

    GO TO STEP 2  .

  2. PERFORM DTC CONFIRMATION PROCEDURE

    1. Turn ignition switch ON and wait at least 3 seconds.
    2. Check DTC.

    Is DTC detected?

    YES 

    Go to DIAGNOSIS PROCEDURE .

    NO 

    INSPECTION END