This function is used when replacing or reprogramming the control unit.
Through selections in the function you can read data and save on an encrypted file. Then you can replace the control unit and enter the saved data to the control unit.
Note:
Incorrect programming may impair the vehicle's safety/function.
The control unit must be of the correct type to be approved.
Test conditions:
The battery voltage must be at least 12V, connect the battery charger if necessary.
Ignition on, engine off.
All power consumers disconnected.
Procedure:
With the defective control unit still installed.
Start the function "Read/Write control unit data".
The vehicle's coding data is checked to see that it is OK.
Select "Save data" to read and save data from the faulty control unit.
Name the file as desired and select a location where it is to be saved, press "Save".
It may be suitable to name the file using the car's registration number and choose to save on the computer's desktop.
A dialogue box confirms that the saved data has been saved to file.
Click on "OK" and exit communication with the vehicle.
Replace the control unit.
Resume communication with the vehicle and select the "Version coding function".
The vehicle's coding data is checked to see that it is OK.
Select "Transfer data" to download the saved data to the new control unit..
Open the saved file containing the data from the faulty control unit by double-clicking on it, or mark it and click on "Open".
You will be asked if you wish to start programming. Press "YES" to perform the coding and "NO" to cancel.
The programming is performed.
After completed programming, the ignition must be turned off for 10 seconds.