Anti-Lock Brake System - Jeep Cherokee 2014 Owner's Manual

While in service mode, the Electric Park Brake
fault lamp will flash continuously while the igni-
tion switch is ON.
When brake service work is complete, the fol-
lowing steps must be followed to reset the park
brake system to normal operation:
• Ensure the vehicle is at a standstill.
• Press the brake pedal with moderate force.
• Apply the Electric Park Brake Switch.
WARNING!
You can be badly injured working on or
around a motor vehicle. Do only that service
work for which you have the knowledge and
the right equipment. If you have any doubt
about your ability to perform a service job,
take your vehicle to a competent mechanic.
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ANTI-LOCK BRAKE SYSTEM

The Anti-Lock Brake System (ABS) is designed
to aid the driver in maintaining vehicle control
under adverse braking conditions. The system
operates with a separate computer to modulate
hydraulic pressure, to prevent wheel lock-up
and help avoid skidding on slippery surfaces.
All vehicle wheels and tires must be the same
size and type, and tires must be properly in-
flated, to produce accurate signals for the com-
puter.
WARNING!
Significant over or under-inflation of tires or
mixing sizes of tires or wheels on the vehicle
can lead to loss of braking effectiveness.
The ABS conducts a low-speed self-test at
about 12 mph (20 km/h). If you have your foot
lightly on the brake while this test is occurring,
you may feel slight pedal movement. The move-
ment can be more apparent on ice and snow.
This is normal.
The ABS pump motor runs during the self-test
at 12 mph (20 km/h) and during an ABS stop.
The pump motor makes a low humming noise
during operation, which is normal.
WARNING!
• Pumping of the Anti-Lock Brakes will di-
minish their effectiveness and may lead to
a collision. Pumping makes the stopping
distance longer. Just press firmly on your
brake pedal when you need to slow down
or stop.
• The ABS cannot prevent the natural laws
of physics from acting on the vehicle, nor
can it increase braking or steering effi-
ciency beyond that afforded by the condi-
tion of the vehicle brakes and tires or the
traction afforded.
• The ABS cannot prevent collisions, includ-
ing those resulting from excessive speed
in turns, following another vehicle too
closely, or hydroplaning.
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