Maserati Ghibli 2021 Owner's Manual page 271

CAUTION!
•
Prolonged driving with the MIL
on could cause further damage to
the emissions control system. It
could also affect fuel economy and
driveability. The vehicle must be
serviced before any emissions tests
can be performed.
•
If the MIL is flashing while the
engine is running, severe catalytic
converter damage and power loss
will soon occur. Immediate service
at an Authorized Maserati Dealer is
required.
Emissions Inspection and
Maintenance Programs
In some localities, it may be a legal
requirement to pass an inspection of
your vehicle's emissions control system.
Failure to pass could prevent vehicle
registration. For states that require an
Inspection and Maintenance (I/M),
this check verifies the "Malfunction
Indicator Light " is functioning
and is not on when the engine is
running, and that the OBD II system is
ready for testing.
Normally, the OBD II system will be
ready. The OBD II system may not be
ready if your vehicle was recently
serviced, recently had a dead battery
or a battery replacement. If the OBD
II system should be determined not
ready for the I/M test, your vehicle may
fail the test.
To check if your vehicle's OBD II system
is ready, you must do the following:
• Press the ignition device to the RUN
position, but do not crank or start the
engine.
• As soon as you press the ignition
device to turn the engine On, you
will see the MIL remain illuminated
for 15 seconds, this is a normal bulb
check.
• Approximately 15 seconds later, one
of two things will happen:
- The MIL will remain
illuminated and a message error will
appear on your instrument cluster.
This means that your vehicle's OBD II
system is not ready and you should
not proceed to the I/M station.
- The MIL will turn Off. This
means that your vehicle's OBD II
system is ready and you can proceed
to the I/M station.
If your OBD II system is not ready, you
should see an Authorized Maserati
Dealer or repair facility. If your vehicle
was recently serviced or had a battery
failure or replacement, you may need
to do nothing more than drive your
vehicle as you normally would in order
Maintenance and Care
for your OBD II system to update. A
recheck with the above test routine
may then indicate that the system is
now ready.
Regardless of whether your vehicle's
OBD II system is ready or not, if the
MIL is illuminated during normal
vehicle operation you should have
your vehicle serviced before going to
the I/M station. The I/M station can fail
your vehicle because the MIL
on with the engine running.
Spare Parts
Use of genuine Maserati parts for
normal or scheduled maintenance
and repairs is highly recommended to
ensure excellent performance.
Damage or failures caused by
non-genuine spare parts used for
maintenance and repairs will not
be covered by the manufacturer's
warranty.
Dealer Service
An Authorized Maserati Dealer has
the qualified service personnel,
special tools, and equipment to
perform all service operations in an
expert manner. Service Manuals are
available which include detailed
service information for your vehicle.
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