Alfa Romeo ALFA 159 2010, Owner'S Handbook Manual

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083-128 Alfa 159 GB 3-12-2009 14:09 Pagina 115
EOBD SYSTEM
The objective is:
If when fitting the key
(for versions/markets,
into the ignition device,
to keep system efficiency under con-
where provided)
the warning light
U
trol;
does not turn on or if, while
to warn when a fault causes emission
travelling it turns on glowing
The EOBD system (European On Board levels to increase;
steadily or flashing, contact Al-
Diagnosis) allows continuous diagnosis
to warn of the need to replace dete- fa Romeo Authorized Services
of the components of the car correlat-
riorated components. as soon as possible. Warning
ed with emissions.
light U operation can be
The system also has a diagnostic con-
It also alerts the driver, by turning on the
checked by means of special
nector that can be interfaced with ap-
warning light U on the instrument pan-
equipment by traffic agents. Al-
propriate tools, which makes it possible
el (on certain versions together with the
ways comply with the traffic
to read the error codes stored in the con-
message on the display) (see section
regulations in force in the coun-
trol unit, together with a series of spe-
“Warning lights and messages”), when
try where you are travelling.
cific parameters for engine operation
these conditions are no longer in peak
and diagnosis. This check can also be
conditions.
carried out by the traffic police.
IMPORTANT After eliminating the in-
convenience, to check the system com-
pletely, Alfa Romeo Authorized Services
are obliged to run a bench test and, if
necessary, road tests which may also
call for a long journey.
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