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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P1424 >> DTC P062B: ECM >> Diagnosis Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnosis Procedure

  1. CHECK FUEL INJECTOR

    Perform fuel injector. Refer to "COMPONENT FUNCTION CHECK ".

    Is inspection result normal? 

    YES: GO TO 2.

    NO: Repair or replace error-detected parts.

  2. PERFORM DTC CONFIRMATION PROCEDURE
    1. Turn ignition switch ON.
    2. Erase DTC.
    3. Perform DTC confirmation procedure again. Refer to "DTC LOGIC ".
    4. Check 1st trip DTC.

    Is the DTC P062B displayed again? 

    YES: Replace ECM. Refer to "REMOVAL AND INSTALLATION ".

    NO: INSPECTION END

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