1998 FORD MUSTANG traction control

control switch is depressed or if the light flashes
when you are driving, have your vehicle serviced.
Traction ControlYactive
This light momentarily
illuminates when the
ignition is turned to
ON. It also illuminates
when the Traction Controlysystem begins applying
and releasing the brakes and adjusting the engine
characteristics to limit a wheelspin condition. It will
be lit for a minimum of four seconds or for the
duration of the Traction Controlyevent.
For more information, refer to theDrivingchapter.
Anti-lock brake system (ABS)
Momentarily illuminates
when the ignition is
turned to the ON
position and the engine
is off. If the light remains on, continues to flash or
fails to illuminate, have the system serviced
immediately. With the ABS light on, the anti-lock
brake system is disabled and normal braking is still
effective unless the brake warning light also remains
illuminated with parking brake released.
Brake system warning
Momentarily illuminates
when the ignition is
turned to the ON
position and the engine
is off. If brake warning lamp does not illuminate at
this time, seek service immediately. Also illuminates
when the parking brake is engaged. Illumination
after releasing the parking brake indicates low brake
fluid level and the brake system should be inspected
immediately.
ABS
P!
BRAKE
Instrumentation
10

The ABS operates by
detecting the onset of
wheel lockup during
brake applications
and compensating for
this tendency. The
wheels are prevented
from locking even
when the brakes are firmly applied. The
accompanying illustration depicts the advantage of
an ABS equipped vehicle (on bottom) to a non-ABS
equipped vehicle (on top) during hard braking with
loss of front braking traction.
ABS warning lamp
The
ABSwarning lamp in the instrument cluster
momentarily illuminates when the ignition is turned
on and the engine is off. If the light does not
illuminate momentarily at start up, remains on or
continues to flash, the ABS needs to be serviced.
With the ABS light on,
the anti-lock brake
system is disabled and
normal braking is still
effective unless the brake warning light also remains
illuminated with parking brake released. (If your
brake warning lamp illuminates, have your vehicle
serviced immediately).
Using ABS
²In an emergency or when maximum efficiency
from the ABS is required, apply continuous full
force on the brake. The ABS will be activated
immediately, thus allowing you to retain full
steering control of your vehicle and, providing
there is sufficient space, will enable you to avoid
obstacles and bring the vehicle to a controlled
stop.
²The Anti-Lock system does not decrease the time
necessary to apply the brakes or always reduce
P!
BRAKE
Driving
89

The parking brake is not recommended to stop a
moving vehicle. However, if the normal brakes fail,
the parking brake can be used to stop your vehicle
in an emergency. Since the parking brake applies
only the rear brakes, the vehicle's stopping distance
will increase greatly and the handling of your vehicle
will be adversely affected.
Always set the parking brake fully and make
sure that the gearshift is securely latched in
P (Park) (automatic transmission) or in 1 (First)
(manual transmission).
Your brake handle may
need to be pulled up
slightly to release
pressure before
pushing in the button.
Push the button on the
end of the parking
brake and push the handle down as far as possible
to release the brake. Driving with the parking brake
on will cause the brakes to wear out quickly and
reduce fuel economy.
TRACTION CONTROLY(IF EQUIPPED)
Your vehicle may be equipped with the optional
Traction Controlysystem. This system helps you
maintain the stability and steerability of your
vehicle. It is especially useful on slippery and/or hilly
road surfaces. The system operates by detecting and
controlling wheel spin. The system borrows many of
the electronic and mechanical elements already
present in the anti-lock braking system (ABS).
Wheel-speed sensors allow excess rear wheel spin to
be detected by the Traction Controlyportion of the
ABS computer. Any excessive wheel spin is
controlled by automatically applying and releasing
the rear brakes in conjunction with engine torque
reductions. Engine torque reduction is realized via
Driving
91

the fully electronic spark and fuel injection systems.
This process is very sensitive to driving conditions
and very fast acting. The rear wheels ªsearchº for
optimum traction several times a second and
adjustments are made accordingly.
The Traction Controlysystem will allow your
vehicle to make better use of available traction on
slippery surfaces. The system is a driver aid which
makes your vehicle easier to handle primarily on
snow, ice covered and gravel roads.
During Traction Controlyoperation, the traction
control active light will illuminate, you may hear an
electric motor type of sound coming from the engine
compartment and the engine will not ªrev-upº when
you push further on the accelerator. This is normal
system behavior.
The Traction Controlyon/off switch, located in front
of the gearshift, illuminates when the system is OFF.
The Traction Controlysystem will revert to the ON
position every time the ignition is turned OFF and
ON.
If you should become stuck in snow or ice or on a
very slippery road surface, try switching the Traction
Controlysystem off. This may allow excess wheel
spin to ªdigº the vehicle out and enable a successful
ªrockingº maneuver.
STEERING
Your vehicle is equipped with power steering. Power
steering uses energy from the engine to help steer
the vehicle.
To prevent damage to the power steering pump:
²Never hold the steering wheel to the extreme
right or the extreme left for more than a few
seconds when the engine is running.
²Do not operate the vehicle with a low power
steering pump fluid level.
Driving
92

The fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingDescription
1 20A Cigar Lighter
2 20A Engine Controls
3 Ð Not Used
4 10A RH Low Beam
Headlamp
5 15A Instrument Cluster,
Traction Control Switch
6 20A Starter Motor Relay
7 15A GEM, Interior Lamps
8 20A Engine Controls
9 Ð Not Used
10 10A LH Low Beam
Headlamp
11 15A Back-up Lamps
12 Ð Not Used
13 15A Electronic Flasher
14 Ð Not Used
SEE OWNERS MANUAL FOR FUSE INFO
4212345
76891011
131214151617
191820212223
252426272829
313032333435
373638394041
43
44
Roadside emergencies
111

12. If using a mini-spare tire, turn off the traction
control switch.
Anti-theft lug nuts (if equipped)
If your vehicle is
equipped with this
feature, one of the lug
nuts on each wheel
must be removed and replaced with a special key.
The key and registration card are attached to the lug
wrench and stored with the spare tire. If you lose
the key, send the registration card to the
manufacturer (not the dealer) to get a replacement
key. If the lug wrench/lug nut key assembly is lost,
see your nearest Ford or Lincoln/Mercury dealer
who has access to the master set of keys.Do not
use an impact wrench with the anti-theft key.
Removing the anti-theft lug nut
1. Insert the key over the locking lug nut. Make sure
you hold the key square to the lug nut. If you hold
the key at an angle, you could damage the key and
the lug nut.
2. Place the lug nut wrench over the lug nut key and
apply pressure on the key with the wrench.
3. Turn the wrench in a counterclockwise direction
to remove the lug nut.
Reinstalling the anti-theft lug nut
1. Insert the key over the locking lug nut.
2. Place the lug nut wrench over the lug nut key and
apply pressure on the key with the wrench.
3. Install the lug nut.
Roadside emergencies
119

about tire grades exactly as the government has
written it.
Treadwear
The treadwear grade is a comparative rating based
on the wear rate of the tire when tested under
controlled conditions on a specified government test
course. For example, a tire graded 150 would wear
one and one-half (1 1/2) times as well on the
government course as a tire graded 100. The relative
performance of tires depends upon the actual
conditions of their use, however, and may depart
significantly from the norm due to variations in
driving habits, service practices, and differences in
road characteristics and climate.
Traction AA A B C
The traction grades, from highest to lowest are AA,
A, B, and C. Those grades represent the tire's ability
to stop on wet pavement as measured under
controlled conditions on specified government test
surfaces of asphalt and concrete. A tire marked C
may have poor traction performance.
The traction grade assigned to this tire is
based on straight-ahead braking traction
tests, and does not include acceleration, cornering,
hydroplaning or peak traction characteristics.
Temperature A B C
The temperature grades are A (the highest), B, and
C, representing the tire's resistance to the
generation of heat and its ability to dissipate heat
when tested under controlled conditions on a
specified indoor laboratory test wheel. Sustained
high temperature can cause the material of the tire
to degenerate and reduce tire life, and excessive
temperature can lead to sudden tire failure. The
grade C corresponds to a level of performance which
all passenger car tires must meet under the Federal
Maintenance and care
150

Tires that are larger or smaller than your vehicle's
original tires may also affect the accuracy of your
speedometer.
SNOW TIRES AND CHAINS
Driving too fast for conditions creates the
possibility of loss of vehicle control. Driving
at very high speeds for extended periods of time
may result in damage to vehicle components.
Snow tires must be the same size and grade
as the tires you currently have on your
vehicle.
The tires on your vehicle have all weather treads to
provide traction in rain and snow. However, in some
climates, you may need to use snow tires and
chains. Use chains on the tires only in an emergency
or if the law requires them.
Follow these guidelines when using snow tires and
chains:
²Chains may damage aluminum wheels.
²Use only Cable Type chains with size P225/55R16
or 245/45ZR17 tires. Use of SAE Class S chains
may damage vehicle.
²SAE Class S chains may be used on P205/65R15
tires.
²Install chains securely, verifying that the chains do
not touch any wiring, brake lines or fuel lines.
²Drive cautiously. If you hear the chains rub or
bang against your vehicle, stop and re-tighten the
chains. If this does not work, remove the chains
to prevent damage to your vehicle.
²If possible, avoid fully loading your vehicle.
²Remove the tire chains when they are no longer
needed. Do not use tire chains on dry roads.
Maintenance and care
153