Alfa Romeo 156 owners manual page 183

text version of content this owner's manual page from owners manual to the vehicle Alfa Romeo 156, year of production 1997 - 2006:

WARNING LIGHT ON EOBD SYSTEM If, when the ignition key INSTRUMENT PANEL is turned to MAR, the U When the ignition key is turned to MAR,The EOBD system (European On Board Di-warning light does not the dial warning light comes on but mustagnosis) allows continuous diagnosis of thecome on or if, when driving, it á components of the car correlated with emis-lights up and emits a fixed light or go out after a few seconds.sions. a flashing one (together with the If the warning light does not go out, or if itIt also alerts the driver, by turning on themessage + symbol shown by the stays on (together with the message + sym-warning light U on the instrument paneldisplay), contact an Alfa Romeo bol on the display and the coming on of the Authorized Service Station as soon (together with the message + symbol unning, ASR button led) when the vehicle is r as possible. The operation of the contact Alfa Romeo Authorized Services.shown by the display), when these condi-warning light can also be tions are no longer in peak conditions.U The flashing of the warning lamp when the checked by means of special equip- vehicle is running indicates the actuation ofThe objective is the following:ment available to the traffic con- – to keep under control the efficiency oftrol officers. Comply with the reg- GETTING TO KNOW YOUR CARthe VDC system.the system; ulations in force in country where VDC system failure warning – to indicate when a malfunction causesyou drive your car. an increase in the emissions beyond the In the event of a failure the VDC system threshold established by European regula- disengages automatically and the áwarn-tions; ing light on the instrument cluster turns on– to indicate the need to replace the de-WARNING After the problem has beel glowing steadily (together with the messageteriorated components.resolved, to completely check the system, + symbol shown on the display and the com-The system also has a diagnostic connec-the Alfa Romeo Authorized Services must ing on of the ASR button led).tor, which can be interfaced with adequate in-carry out tests on a test bench and, if nec- In the event of a VDC system failure the essary, road tests that could be long. ror codes storedstruments, that enables the er car behaves like a vehicle not fitted with thisin the control unit to be read, together with system: in any case it is advisable to con- ning the a series of specific parameters concer tact Alfa Romeo Authorized Services as soonoperation and diagnosis of the engine. This as possible. check can also be made by the traffic con- trol agents. 182

owners manual Alfa Romeo 156

owners manual Alfa Romeo 156 - year of production: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 - Alfa Romeo 156 owners manual EN