Lincoln 1999 Town Car Manuel d'utilisateur télécharger pdf (Page 112)

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 Controly portion 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 the fully electronic spark and fuel injection systems. This

process is very sensitive to driving conditions and very fast acting. The

rear wheels “search” for optimum traction several times a second and

adjustments are made accordingly.

The Traction Controly system 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 and ice

covered roads.

During Traction Controly operation you may hear an electric motor type

of sound coming from the engine compartment and the engine will not

“rev-up” when you push further on the accelerator. This is normal

system behavior.

If you should become stuck in snow or ice or on a very slippery road

surface, try switching the Traction Controly system off. This may allow

excess wheel spin to “dig” the vehicle out and enable a successful

“rocking” maneuver.

If the Traction Controly system is cycled excessively, the brake portion

of the system will shut down to prevent the rear brakes from

overheating. A limited Traction Controly function using only engine

torque reduction will still control wheels from over-spinning. When the

rear brakes have cooled down, the system will again function normally.

Anti-lock braking is not affected by this condition and will function

normally during the cool down period.

Traction control switch

The traction control switch is located on the left side of the glove

compartment. The traction control system defaults to ON when the

ignition key is turned from OFF to RUN.

Driving

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Lincoln 1999 Town Car Manuel d'utilisateur Page 112