How the ABS* system works
An automatic check is made when a
speed of approx. 6 km/h is reached.
When this happens a pumping noise can
be heard.
When the turning speed of a wheel
reaches a level which is too low for the
vehicle speed and it tends to lock, the
brake pressure to this wheel is reduced.
On the front axle the brake pressure is
regulated for each wheel individually,
whereas on the rear axle, the pressure is
regulated for both wheels at the same
time. As a result the braking effect is the
same for both rear wheels and the driving
stability is retained as far as possible.
This regulating process makes itself
known by movement of the brake
pedal and is accompanied by noises.
This is done deliberately as a warning to
the driver that a wheel or the wheels are
in the locking range.
So that the ABS
can regulate effectively in this range
the brake pedal must remain de-
pressed – on no account should it be
pumped!
Warning
However the ABS system cannot
overcome the physical limits. This
must be borne in mind particularly
on slippery or wet roads. When the
ABS comes into the control range
the speed must immediately be
adapted to the road and traffic
conditions. The increased amount
of safety available must not tempt
one into taking risks.
If a defect occurs on the ABS it is indi-
cated by one or two warning lamps.
3.8
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– INTELLIGENT TECHNOLOGY
TIPS AND MAINTENANCE
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