Read out configuration data from ECU and save to a file

This function is used to replace a damaged air dryer control unit.
Note:
Check that a suitable new control unit is available.
Do not use any switches or any other unit during programming.
If the dryer cartridge is replaced, the air dryer shall be reset.
Test conditions:
Procedure:
  1. Start the function.
  2. Check control unit data.
  3. Reading of data starts.
  4. Select the file directory where the file is to be saved and press save.
  5. The function is done.