Alfa Romeo 166 Specifications download pdf (Page 114)

113

EOBD SYSTEM

(

optional for versions/

markets where applicable

)

The EOBD system (European On Board

Diagnosis) allows continuous diagnosis of

the components of the car correlated with

emissions.

This system continuously monitors the

components of the vehicle related to e-

missions; it also indicates, when the

U

warning light comes on on the instrument

panel, that the components in question

are in poor condition.

IMPORTANT After the problem has

been resolved, to completely check the

system, the Alfa Romeo Authorized Ser-

vice Station must carry out tests on a test

bench and, if necessary, road tests that

could be long.

If, when the ignition key

is turned to MAR, the

U

warning light does

not come on or if, when driving, it

lights up and emits a fixed light

or a flashing one, contact an Alfa

Romeo Authorized Service Station

as soon as possible. Warning

light

U

operation can be checked

by means of special equipment

by traffic agents. Always comply

with the traffic regulations in

force in the country where you

are travelling.

The objective is the following:

– to keep under control the efficiency of

the system;

– to warn when a fault causes emission

levels to increase;

– to indicate the need to replace the

deteriorated components.

The system also has a diagnostic con-

nector that can be interfaced with appro-

priate tools, which makes it possible to

read the error codes stored in the control

unit, together with a series of specific pa-

rameters for engine operation and diag-

nosis. This check can also be carried out

by the traffic police.

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