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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0153 >> DTC P0102, P0103: MAF Sensor >> DTC Logic >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    Which DTC is detected? 

    P0102: GO TO 2.

    P0103: GO TO  3.

  2. PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0102
    1. Start engine and wait at least 5 seconds.
    2. Check DTC.

    Is DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

  3. PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0103-I
    1. Turn ignition switch ON and wait at least 5 seconds.
    2. Check DTC.

    Is DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0103-II
    1. Start engine and wait at least 5 seconds.
    2. Check DTC.

    Is DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

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