the vehicle checked by an INFINITI dealer.
Normal operation
The ABS operates at speeds above 3 to 6
MPH (5 to 10 km/h). The speed varies ac-
cording to road conditions.
When the ABS senses that one or more
wheels are close to locking up, the actua-
tor rapidly applies and releases hydraulic
pressure. This action is similar to
pumping the brakes very quickly. You may
feel a pulsation in the brake pedal and
hear a noise from under the hood or feel
a vibration from the actuator when it is
operating. This is normal and indicates
that the ABS is operating properly. How-
ever, the pulsation may indicate that road
conditions are hazardous and extra care
is required while driving.
When accelerating or driving on slippery
surfaces, the tires may spin or slide. With
the Vehicle Dynamic Control (VDC)
system, sensors detect these movements
and control the braking and engine
output to help improve vehicle stability.
O
When the VDC system is operating,
the “SLIP” indicator in the instrument
panel blinks.
O
When only the Traction Control System
(TCS) portion of the VDC system is op-
erating, the “SLIP” indicator in the in-
strument panel blinks.
O
If the “SLIP” indicator blinks, the road
conditions are slippery. Be sure to ad-
just your speed and driving to these
conditions. Be sure to drive carefully.
See “Slip indicator light”, and “Ve-
hicle Dynamic Control (VDC) OFF indi-
cator light” in the “2. Instruments and
controls” section.
O
Indicator light
If a malfunction occurs in the system,
the “SLIP” and “VDC OFF” indicator
lights illuminate in the instrument
panel. As long as these indicators are
illuminated, the VDC system function
is canceled.
The VDC system uses an Active Brake Lim-
ited Slip (ABLS) system to improve vehicle
traction. The ABLS system works when
one of the driving wheels is spinning on a
slippery surface. The ABLS system brakes
the spinning wheel, which distributes the
driving power to the other driving wheel.
If the vehicle is operated with the VDC
system turned off, all VDC system func-
tions and TCS functions will be turned off.
The ABLS system and ABS will still op-
erate with the VDC system off. When the
ABLS system is activated, the “SLIP” indi-
cator light will blink and you may hear a
clunk noise and/or feel a pulsation in the
brake pedal. This is normal and is not an
indication of a malfunction.
While the VDC system is operating, you
may feel a pulsation in the brake pedal
and hear a noise or feel a vibration from
under the hood. This is normal and indi-
cates that the VDC system is working
properly.
The VDC system computer has a built-in
diagnostic feature that tests the system
each time you start the engine and move
the vehicle at a low speed forward or
backward. When the self-test occurs, you
may hear a clunk noise and/or feel a pul-
sation in the brake pedal. This is normal
VEHICLE DYNAMIC CONTROL (VDC)
SYSTEM
Starting and driving
5-55
w
06.6.26/S50-D/V5.0
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