2011 Infiniti M56 BaseFACTORY OEM SERVICE PROCEDURE

Work Procedure

WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ECM PART NUMBER 

    Check ECM part number to see whether it is blank ECM or not.

    NOTE:
    • Part number of blank ECM is 23703 - xxxxx.
    • Check the part number when ordering ECM or with the one included in the label on the container box.

    Is the ECM a blank ECM? 

    YES: GO TO 2.

    NO: GO TO  4.

  2. SAVE ECM PART NUMBER 

    Read out the part number from the old ECM and save the number, following the programming instructions. Refer to "CONSULT Operation Manual".

    NOTE:
    • The ECM part number is saved in CONSULT.
    • Even when ECM part number is not saved in CONSULT, go to 3.

    : GO TO 3.

  3. PERFORM ECM PROGRAMMING 

    After replacing ECM, perform the ECM programming. Refer to "CONSULT Operation Manual".

    NOTE:
    • During programming, maintain the following conditions:
      • Ignition switch: ON
      • Electric load: OFF
      • Brake pedal: Not depressed
      • Battery voltage: 12 - 13.5 V (Be sure to check the value of battery voltage by selecting "BATTERY VOLT" in "Data monitor" of CONSULT.)

    : GO TO  5.

  4. REPLACE ECM 

    Replace ECM.

    : GO TO 5.

  5. PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS 

    Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to "ECM RE-COMMUNICATING FUNCTION: SPECIAL REPAIR REQUIREMENT ".

    : GO TO 6.

  6. PERFORM VIN REGISTRATION 

    Perform VIN registration. Refer to "VIN REGISTRATION ".

    : GO TO 7.

  7. PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING 

    Perform accelerator pedal released position learning. Refer to "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".

    : GO TO 8.

  8. PERFORM THROTTLE VALVE CLOSED POSITION LEARNING 

    Perform throttle valve closed position learning. Refer to "THROTTLE VALVE CLOSED POSITION LEARNING ".

    : GO TO 9.

  9. PERFORM IDLE AIR VOLUME LEARNING 

    Perform idle air volume learning. Refer to "IDLE AIR VOLUME LEARNING ".

    : END

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.