Mitsubishi MMCS NR-242 Map Data Card Update

Written By: Sebastian Dorr
  • Comments: 0
Mitsubishi MMCS NR-242 Map Data Card Update

Difficulty

Easy

Steps

13

Time Required

1 hour

Introduction

Keeping your car's navigation system up-to-date is essential for ensuring that you arrive at your destination quickly and efficiently. The Mitsubishi MMCS NR-242 is a popular car navigation system that is widely used by drivers around the world. If you own one of these systems, you may want to update its map data to stay current with the latest roads, highways, and points of interest. In this guide, we will provide you with step-by-step instructions on how to update the map data of your Mitsubishi MMCS NR-242, so you can stay on the right track no matter where you go. Whether you're planning a long road trip or just need directions to a new location, updating your MMCS NR-242 map data is a simple and important task that will help you make the most of your navigation system.

Note

Note that the new card will be paired to the head unit. It will not work in a different head unit and will no longer be readable by a computer after it was read and recognized by the unit for the first time. While it is possible to unpair the Map Card on MMCS versions W-11 and W-12, it is nearly impossible on all other versions without a special unlocking tool or erasing all data on the Card.

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    • You can find the Version Number of your MMCS printed on the top right corner of the unit.

    • In this case the Version Number is W-12.

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    • You can download the files at this site.

    • Download the files for your device and region and unzip them using 7-Zip.

    • MMCS E-11 and E-12 are analogues of W-13.

    • Extract the ###.whx files from the .rar archives using 7-Zip.

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    • The SD Card has to be a 16GB SDHC card with at least 15.718.400.000 Bytes and 30.700.000 Logic Sectors.

    • If the SD Card you have is a bit too small, but you have larger one on hand, you can also just flash to the larger one, format the smaller one to exFAT and copy all the files over from the larger one. This might lead to some instability, but still works.

    • Insert the SD Card into your PC.

    • Launch WinHex as Administrator.

    • Right click on winhex.exe and choose Run as Administrator.

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    • In WinHex, choose File > Restore Image.

    • Choose the MAP###.whx file you extracted from the downloaded archive of the Map area.

    • Choose the SD Card you want to flash.

    • Confirm by pressing OK.

    • This might take a while depending on the speed of the SD card you selected.

    • Repeat the previous step with the ###_sys.whx file for the System area.

    • Close WinHex.

    • Safely eject the SD Card.

    • Reconnect the SD Card to your PC and check the files on it.

    • If the file names are a garbled mess, you need to reformat and reflash the SD Card. Closing WinHex, ejecting and reconnecting the SD Card between steps 5 and 6 might help. In some cases it might also help to format the SD Card to NFTS before flashing.

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    • Press the OPEN-Button.

    • Press the Monitor OPEN-Button on the screen.

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    • Swap the SD Card with the one already installed in the MAP-Slot.

    • Close the display by pressing the OPEN-Button again.

    • If the car accepts the SD Card it will now be permanently paired to the MMCS and no longer work with any other car or show up on a computer.

    • If the firmware on the SD Card is newer than the version already installed the Unit will ask you if you want to update. Press the Update-Button on the screen to proceed.

    • If you were already on the newest firmware version, the car will normally at most run a short update sequence after you restart the car.

    • Do not turn off the ignition while the update is running!

    • If you are switching from the Russian to the European interface or vice versa, the unit might tell you that it can’t read the Map card data. The following steps will only apply if you are encountering this problem.

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    • Enter the Service Menu by pressing and holding the SETTINGS and MAP-Buttons (for W-16 & W-17 INFO/SET and SEEK) for 4 seconds.

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    • Navigate to Versions Indication.

    • Long-press Navi (Application) for 4 seconds.

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    • Press Update from Map Card.

    • Confirm by pressing on Update.

    • The Unit will now start the update process. In this process it will reboot twice and reset itself back to factory settings.

    • Do not turn off the car while the update is running!

Conclusion

Make sure you keep the old SD Card as a backup, just in case anything ever happens to the new one.

Author

Sebastian Dorr

Member since: 19/08/18

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