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Home >> Nissan-Datsun >> 2017 >> Versa Note S Plus >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 3) >> DTC/Circuit Diagnosis >> DTC U1040: Eng Comm Circuit >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

  1. 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.

    GO TO STEP 2  .

  2. PERFORM DTC CONFIRMATION PROCEDURE

    1. Turn ignition switch ON and wait at least 10 seconds.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES 

    Proceed to DIAGNOSIS PROCEDURE .

    NO 

    INSPECTION END

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