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vehicle, particularly the engine, and main -
taining its value. Even if the mileage driven
is low, the maximum period of one year
from one service to the next must not be ex-
ceeded.
@
Tips
The informat ion in the Service Rem inder re-
mains stored even when the vehicle battery is
disconnected.
On Board
Diagnostic
System
(OBD)
Malfunction Indicator Lamp (MIL)
The Malfunction Indicator Lamp (MIL)
¢..ift
in the
instrument cluster is part of the On-Board Diag-
nostic (OBD II) system .
The warning/indicator
light illuminates when the
ignition is switched on and goes out after the en-
gine starts and the idle has stabilized. This indi-
cates that the MIL is working properly .
If the light does not go out after the engine is
started, or illuminates while you are driving, a
malfunction may exist in the engine system.
If
the light illuminates, the catalytic converter
could be damaged.
Continue driving with reduced power (avoiding
sustained high speeds and/or rapid accelera-
tions) and have the condition corrected. Contact
your authorized Audi dealer.
If the light illuminates, the electronic speed lim-
iter may also be malfunctioning.
For more infor-
mation¢ page 27, Electronic speed limiter.
An improperly closed fuel filler cap may also
cause the MIL light to illuminate ¢
page 190.
Driver
in fo rma t ion system
On-Board Diagnostics
Fig. 17 Locatio n of Data Link Connector (DLC)
On-Board Diagnostics monitors the components
of your emission control system. Each monitored
component in your engine system has been as-
signed a code. In case of a malfunction, the com-
ponent will be identified and the fault stored as a
code in the control modu le memory.
The MIL light may also illuminate if there is a
leak in the on-board fuel vapor recovery system.
If the light illuminates after a refueling, stop the
vehicle and make sure the fuel f iller cap is prop-
erly closed ¢ page 190.
In order to make an accurate diagnosis, the stor-
ed data can only be displayed using special diag-
nostic equipment (gener ic scan tool for OBD).
In order to connect the special d iagnost ic equip-
ment, push the p lug into the Data Link Connector
(DLC). The DLC is located to the right of the hood
release ¢ fig. 17.
Your authorized Audi dealer or qualified work-
shop can interpret the code and perform the nec-
essary repair.
.&,
WARNING
Do not use the diagnostic connector for per-
sonal use. Incorrect usage can cause malfunc-
tions, which can increase the risk of a colli-
sion!
Electronic speed limiter
Your vehicle may be factory equipped with tires
that are rated for a maximum speed of 130 mph
(210 km/h). This is may be less than the maxi-
mum speed of your vehicle . To reduce the risk of .,.
27
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