2012 Infiniti G25 BaseFACTORY OEM SERVICE PROCEDURE

Work Procedure

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
  1. SAVE VCM DATA
    1. Turn off the power and wait at least 45 seconds.
    2. Turn power switch ON.
    3. Select "SAVE DATA FOR CPU REPLACE" in "WORK SUPPORT" mode using CONSULT.
    4. Follow the instruction of CONSULT display.
    NOTE: Necessary data in VCM is copied and saved to CONSULT.

    Is operation completed successfully? 

    YES: Go to 2.

    NO: Go to  4.

  2. REPLACE VCM
    1. Turn off the power and wait at least 45 seconds.
    2. Replace VCM. Refer to "REMOVAL AND INSTALLATION ".

    Go to 3.

  3. WRITE VCM DATA
    1. Select "WRITE DATA AFTER REPLACE CPU" in "WORK SUPPORT" mode using CONSULT.
    2. Follow the instruction of CONSULT display.
    NOTE: The data saved by "SAVE DATA FOR CPU REPLACE" is written to VCM.

    Is operation completed successfully? 

    YES: Go to  8.

    NO: Go to  5.

  4. REPLACE VCM
    1. Turn off the power and wait at least 45 seconds.
    2. Replace VCM. Refer to "REMOVAL AND INSTALLATION ".

    Go to 5.

  5. LI-ION BATTERY ID REGISTRATION

    Refer to the Li-ion Battery ID Registration Operation Instructions.

    Go to 6.

  6. PERFORM VCM KEY ID REGISTRATION

    Refer to the CONSULT Operation instructions NATS-IVIS/NVIS.

    Go to 7.

  7. WRITE VIN DATA

    Perform "WORK PROCEDURE ".

    Go to 8.

  8. PERFORM ACCELERATE PEDAL CLOSED POSITION LEARNING

    Perform "WORK PROCEDURE ".

    Go to 9.

  9. SET VCM TIMER

    Perform "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL: WORK PROCEDURE ".

    Go to 10.

  10. CHECK DTC
    1. Turn off the power and wait at least 20 seconds.
    2. Turn power switch ON.
    3. Check DTC. If DTC is displayed, erase it.

    END

Factory Service Tools

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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.