Alfa Romeo 159 Manuale Proprietario
115
SAFETY
DEVICES
W
ARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
CAR
MAINTENANCE
TECHNICAL
SPECIFICA
TIONS
INDEX
CORRECT USE
OF THE CAR
DASHBOARD
AND
CONTROLS
115
EOBD SYSTEM
(for versions/markets,
where provided)
where provided)
The EOBD system (European On Board
Diagnosis) allows continuous diagnosis
of the components of the car correlat-
ed with emissions.
Diagnosis) allows continuous diagnosis
of the components of the car correlat-
ed with emissions.
It also alerts the driver, by turning on the
warning light
warning light
U on the instrument pan-
el (on certain versions together with the
message on the display) (see section
“Warning lights and messages”), when
these conditions are no longer in peak
conditions.
message on the display) (see section
“Warning lights and messages”), when
these conditions are no longer in peak
conditions.
If when fitting the key
into the ignition device,
the warning light
into the ignition device,
the warning light
U
does not turn on or if, while
travelling it turns on glowing
steadily or flashing, contact Al-
fa Romeo Authorized Services
as soon as possible. Warning
light
travelling it turns on glowing
steadily or flashing, contact Al-
fa Romeo Authorized Services
as soon as possible. Warning
light
U operation can be
checked by means of special
equipment by traffic agents. Al-
ways comply with the traffic
regulations in force in the coun-
try where you are travelling.
equipment by traffic agents. Al-
ways comply with the traffic
regulations in force in the coun-
try where you are travelling.
The objective is:
❒ to keep system efficiency under con-
❒ to keep system efficiency under con-
trol;
❒ to warn when a fault causes emission
levels to increase;
❒ to warn of the need to replace dete-
riorated components.
The system also has a diagnostic con-
nector that can be interfaced with ap-
propriate tools, which makes it possible
to read the error codes stored in the con-
trol unit, together with a series of spe-
cific parameters for engine operation
and diagnosis. This check can also be
carried out by the traffic police.
nector that can be interfaced with ap-
propriate tools, which makes it possible
to read the error codes stored in the con-
trol unit, together with a series of spe-
cific parameters for engine operation
and diagnosis. This check can also be
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.
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.
083-128 Alfa 159 GB 3-12-2009 14:09 Pagina 115