This function is used to check clutch drag.
Test conditions:
Parking brake applied.
The air pressure in the transmission shall be 650-1,000 kPa.
Engine on.
Battery voltage above 20 V.
Gear lever in position N.
Procedure:
Select function, press "OK".
A dialogue box shows test conditions, press "OK".
A dialogue box with values from the test is shown, check that they are within min. and max. values, press "OK".
The function is done.
If the function fails, check the test conditions and repair any faults.