Test of EGR position

This function is used to test the position sensor of the vehicle's EGR valve.
Test conditions:
Procedure:
  1. Start the function.
  2. Select specific value to be activated.
  3. A dialogue box shows the test conditions, check these and press "Start".
  4. Start and stop the activation for the selected value.
  5. Repeat the procedure for the values to be tested.
  6. At the end of the test press "OK".
  7. The function is done.