AdBlue: System emptying

This function is a test and must be performed after REACH28 or the pressure holding test has been performed. The test is used to blow out the remaining AdBlue with compressed air.
This test must always be run when hoses have been disconnected, filters, or pump module have been replaced.
Test conditions:
Procedure:
  1. Start the function.
  2. A dialogue box shows the test conditions, check these and press "OK".
  3. Communication will be established with the control system.
  4. Start activation of the pump.
  5. The function is complete.