ESP and Traction Control

The Electronic Stabilization Program and the Tractionways: it can either reduce engine power, or it can
Control System are two very important elementsbrake a certain wheel, or both of the actions at the
which car manufacturers introduced on their model tosame time. The Stability Programs are commonly used
improve their stability, handling and safety.in combination with the traction control systems, but in
The ESP (Electronic Stability System) has becomeaddition to the latter, it also monitors the lateral
lately very popular among car producers, but becausemovement of the vehicle.
of marketing and trademarks, it may be found underSuch stability systems have been proven to greatly
different names (GE calls if Stabilitrak, for example,increase car safety in extreme situations. It can
while Nissan uses the name VDC - Vehicle Dynamiccalculate and monitor the car's parameters way faster
Control). But the common name is ESP and it is thethan any driver would do and it will take actions
most used one.accordingly. The phenomenon of under steer and
There are a series of sensors which establish manyoversteer and greatly reduced if the car is equipped
times per second the rotational movement of the car,with a stability program. But you should not overhaul
its speed, the angel you rotate the steering wheel assuch systems, because they have to obey the laws
well as other such parameters. The purpose of theof physics, and if you enter very fast into a corner,
monitoring is for the system's computer to determine ifyour car's direction will not be corrected.
the vehicle is being driven on the intended way. Let'sThe Traction Control System (or TCS) is implemented
take the over steer situation, which occurs when thein a car to avoid the wheels from slipping the moment
car is performing a cornering and the rear wheels areyou accelerate. It was first introduced in 1986 and
sliding. If this occurs, the sensors will detect this and thenowadays most new cars have this security feature.
computer will reduce the engine's power and someABS limits the wheels from slipping while braking
braking pressure will be applied to the front wheel onpowerfully. In opposition, TCS is used to allow you to
the outside. This wheel is the main element which, byhave more grip while accelerating. Its sensors will
applying some breaking to it, is used to put the cardetect if a wheel is slipping and the system will either
back on the intended direction. The ESP works in tworeduce engine power, either slightly brake that wheel.