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Home >> Infiniti >> 2013 >> M35h >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Introduction) >> Basic Inspection >> Additional Service When Replacing ECM >> Work Procedure
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Work Procedure

  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:
    • Refer to "REMOVAL AND INSTALLATION " for replacement of ECM.
    • 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. Refer to "REMOVAL AND INSTALLATION ".

    : GO TO 5.

  5. PERFORM VIN REGISTRATION 

    Refer to "WORK PROCEDURE ".

    : GO TO 6.

  6. PERFORM THROTTLE VALVE CLOSED POSITION LEARNING 

    Refer to "WORK PROCEDURE ".

    : GO TO 7.

  7. PERFORM IDLE AIR VOLUME LEARNING 

    Refer to "WORK PROCEDURE ".

    : END

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