The test is used to check that the range cylinder's solenoid valves are intact.
Test conditions:
Parking brake applied.
The air pressure in the transmission shall be 650-1,000 kPa.
Engine off.
Battery voltage above 20 V.
Procedure:
Select function, press "OK".
A dialogue with test conditions is shown, press "OK". A sound from the gearbox shall be heard when the gear engages.
A dialogue with values from the test is shown.
Press "OK" and exit the function.