Checking Parking Brake - Volkswagen Passat 2011 Workshop Manual

3.3.2 Without roller dynamometer for four-
wheel drive vehicles
If no test rig is available for four-wheel drive vehicles, the brake
test can also be carried out on a standard single-axle roller dy‐
namometer as follows:
– Drive vehicle forwards onto the rollers.
– Switch engine off and wait for 2 seconds.
– Carry out front brake test.
– Start engine and wait for approx. 5 seconds until sufficient
vacuum has been built up.
– Drive vehicle forwards until rear wheels are positioned on roll‐
ers.
– Switch engine off and wait for 2 seconds.
– Carry out rear brake test.
– Start engine and wait for approx. 5 seconds until sufficient
vacuum has been built up.
3.4

Checking parking brake

Electromechanical parking brake
⇒ "3.4.1 Checking parking brake, vehicles with front-wheel drive",
page 5
⇒ "3.4.2 Checking parking brake, vehicles with all-wheel drive",
page 6
3.4.1 Checking parking brake, vehicles with
front-wheel drive
Activate »TÜV mode«:
• Seat belt is fitted
• Rear axle on single-axle roller dynamometer
• Ignition remains switched on
• Auto-hold is switched off
• Front wheels must be stationary
• Rear wheels must rotate at constant speed between 2.5 and
9 km/h for at least 5 seconds.
Entering »TÜV mode« is indicated by the yellow electric parking
brake and handbrake fault warning lamp - K214- lighting up.
Note
In »TÜV mode«, the electromechanical parking brake does not
close fully when the button is first pressed.
The tension is increased gradually by actuating the electrome‐
chanical parking brake button - E538- four times in succession.
Actuating the electromechanical parking brake button - E538- a
fifth time releases the electromechanical parking brake.
End »TÜV mode«:
• Front wheels, speed over 0 km/h
• Rear wheels, speed lower than 2.5 km/h or over 9 km/h
Passat 2011 ➤ , Passat Variant 2011 ➤
Brake systems - Edition 02.2014
5
3. Brake test