Lancia Thesis owners manual page 191

text version of content this owner's manual page from owners manual to the vehicle Lancia Thesis, year of production 2001 - 2009:

If the sensors detect the conditionsESP SYSTEM OPERATIONThe ESP core is a sensor, of aero- which might cause car skidding, the nautic origin, detecting the car rota- ESP is automatically started when ESP system affects the engine and tions around its vertical axis. the car is started and it cannot be the brakes by generating a torqueCentrifugal forces generated when disengaged. On the contrary, it is which makes the car recover thethe car is cornering are detected by a possible to exclude the ASR system right driving direction.by pressing the related button on thehigh-sensitive side acceleration sen- central console. sor. The ESP main components are theThe ESP stabilizing action is based following: on the signals coming from the steer- The system operations, ing wheel rotation sensors, from the side acceleration sensors and the – an electric-hydraulic control unit in terms of safety, should wheel speed sensors, thus recogniz- processing signals coming from the not make the driver run ing the driving direction selected by various sensors and choosing the useless risks. The driving behav- the driver when turning the steering most appropriate strategy by operat- iour must always be appropriate, wheel. according to the conditions of theing solenoid valves and the engine control unit; The control unit processes each road bed, visibility and traffic. information coming from the sensors Anyway, the driver is held – a sensor detecting the steering responsible for a safe driving. wheel rotation angle;and is able to recognize every single The ESP system helps the driver moment of the car position and to – 4 sensors detecting the rotation control the car in case of tyre gripspeed of each wheel;compare it with the direction the loss, however the forces used by driver is willing to follow. In case of the system to control the car sta- discrepancy, the control unit – a sensor detecting the car rota- instantly selects and controls the bility still depend on the grip tion around a vertical axis; ratio between tyres and road bed. most appropriate actions to make – a sensor detecting side accelera- tion (centrifugal force).the car recover the required direc- tion: it brakes with a different inten- sity one or more wheels and, if nec- essary, reduces the power supplied by the engine. Corrections are con- 190

owners manual Lancia Thesis

owners manual Lancia Thesis - year of production: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 - Lancia Thesis owners manual EN