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OPERATION
Each time the ignition key is turned to the
STOP position the Alfa Romeo CODE sys-
tem deactivates the functions of the engine
electronic control unit.
Each time the car is started turning the
ignition key to MAR, the Alfa Romeo
CODE control unit sends a recognition
code to the engine control unit to deacti-
vate the inhibitor. The code is crypted and
variable between over four billion possible
combinations, and it is sent only if the sys-
tem control unit has recognised the code
transmitted from the key which contains
an electronic transmitter, through an aeri-
al wound around the ignition switch.
If the code has not been recognised cor-
rectly, the Alfa Romeo CODE warning light
(Y) on the cluster turns on.
In this case, the key should be moved to
the STOP position and then back to
MAR; if the lock continues, possibly try
again with the other key provided with the
car. If it is still not possible to start the car,
follow the instructions given in the "In an
emergency" chapter and then contact Alfa
Romeo Authorised Services.
IMPORTANT Every key has its own
code, which must be memorised by the
system control unit. To memorise new
keys, up to a maximum of eight, apply
solely to Alfa Romeo Authorised Services
taking with you all the keys in your pos-
session, the CODE card, a personal identi-
ty document and the car's ownership doc-
uments.
The codes of any keys not
presented during the mem-
orising
procedure
erased. The reason for this is to en-
sure that any lost or stolen keys
cannot be used to start the engine.
IMPORTANT Turning on of the Alfa
Romeo CODE warning light (Y) when
travelling with the ignition key at MAR:
1) If the warning light turns on, this
means that the system is running a self-
test (for example for a voltage drop). At
the first stop, it will be possible to test the
system: switch off the engine turning the
ignition key to STOP; then turn the igni-
tion key to MAR: the warning light turns
on and should go off in about one second.
If the warning light stays on, repeat the
procedure described previously leaving the
key at STOP for over 30 seconds. Should
the inconvenience persists, contact Alfa
Romeo Authorised Services.
are
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