Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2011 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0460 Through P1220 >> DTC P062B: ECM >> Diagnosis Procedure

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 cfirmation 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