Lancia Lybra owners manual page 151

text version of content this owner's manual page from owners manual to the vehicle Lancia Lybra, year of production 1999 - 2005:

When the sensors detect any condi-ESP SYSTEM OPERATIONThe control unit processes the infor- tion that may cause the vehicle tomation received from the sensors and, skid, the ESP system acts both on theThe ESP system is automatically ac-therefore, is able to continuously engine and the brakes, by generatingtuated upon starting the vehicle andmonitor the vehicle’s position and a stabilizing torque. cannot be switched off. compare the latter with the path that The main components of the ESP system are: the driver intends to follow. In case of disagreement, the control unit selects and performs, in a fraction of a sec- The system’s active safety– an electronic control unit that processes the signals received from theond, the most adequate actions to features must not induce bring the vehicle back to its path: it the driver to take any un-various sensors and performs the most necessary risk. Driving behaviouradequate actions;apply the brakes to one or several wheels with different force and, if – a sensor that detects the steering must always be proportionate to necessary, reduces the power gener- the roadbed conditions, as well aswheel position;ated by the engine. to visibility and traffic. In any case,– four sensors that detect the re- volving speed of each wheel;Corrective actions are continuously the responsibility for road safety modified and controlled to pursue the always rests with the driver.– a sensor that detects the vehicle ro-path wanted by the driver. tation around the vertical axis, and an integrated sensor that detects lateralThe action of the ESP system greatly acceleration (centrifugal force).increases the vehicle’s active safety in many critical situations and is useful The stabilizing action of the ESP An ESP system that also incorpo- especially when the roadbed adhesion rates the ASR function helps the dri-system is based on the calculations ver keep control of the vehicle in casemade by the system’s electronic con-conditions are uneven. trol unit, which processes the signals of loss of grip between the tyre and the roadbed. received from the sensors used to de- tect steering wheel rotation, lateral ac- celeration and the revolving speed of The forces generated by the ESP control system to control the vehicle’seach wheel. These signals allow the loss of stability always depend on thecontrol unit to recognize the manoeu- vre the driver is going to perform grip between the tyres and the roadbed. when turning the steering wheel. 150

owners manual Lancia Lybra

owners manual Lancia Lybra - year of production: 1999, 2000, 2001, 2002, 2003, 2004, 2005 - Lancia Lybra owners manual EN