Foxflash ECU Programmer can easily read and write MED17.7.3 ECU data, while Foxflash offers great capabilities for ECU tuning, there’s an important correction to be aware of when connecting to the MED17.7.3.
Pinout Configuration:
One of the most common issues encountered by users is related to the pinout configuration in the Foxflash manual. The manual mistakenly uses the pinout for MED17.7.3.1, which has the +12V pin located in the left corner. However, the MED17.7.3 ECU requires the +12V pin to be positioned in the middle left side of the connector, not the corner.
Step-by-Step Process for Reading and Writing:
1.Select the Right Driver:
In the Foxflash software, it’s crucial to select the correct driver to ensure compatibility with the MED17.7.3 ECU. To do this, follow the steps below:
- Choose BENCH TRICORE as the connection type.
- Then, select MERCEDES as the manufacturer.
- For the ECU model, choose TC1797 – MERCEDES and finally, select MED17.7.3.
2.Connect the ECU:
Ensure the pinout is correctly configured, following the updated configuration (middle left for +12V). Double-check the wiring connections before proceeding to avoid any issues during reading or writing.
3.Reading/ Writing the ECU:
After the correct driver and pinout configuration have been selected, the Foxflash programmer can read and write the ECU data, including making checksum adjustments. These operations can be completed with the Foxflash software interface.
While the Foxflash programmer is a highly effective tool for reading and writing the MED17.7.3 ECU, users must be careful with the pinout configuration. Using the wrong pinout can cause connection errors or damage the ECU. By following the steps outlined in this guide, you can confidently read and write data from the MED17.7.3 ECU in your Mercedes-Benz vehicle
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