Maserati Gransport Owner's Manual page 114

Engine control system OBDII
This system continuously monitors the
components of the vehicle related to
emissions; it also warns the user about
the deterioration condition of the
components themselves, by means of
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the warning light on the
instrument panel.
The objective is the following:
– keep engine systems operating
efficiently
– indicate when a problem causes an
increase in emissions exceeding the
threshold established by federal
regulations
– indicate the need for replacement of
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deteriorated components.
In addition, the system includes a
diagnostics connector that can be
interfaced with suitable instruments.
114 Use of the engine
This makes it possible to read the error
codes stored in the control unit,
together with a set of specific
parameters for engine operation
diagnostics, in compliance with OBDII
rules.
WARNING: When the ignition key is
turned to the MAR position, if the
warning light does not switch on or if
it switches on while driving, contact
your Authorized Maserati Dealer as
soon as possible.
WARNING: After the problem has been
eliminated, your Authorized Maserati
Dealer personnel is required to
perform tests of the system and if
necessary, also road tests.
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