Driver information system
tional mileage driven or the elapsed days will be shown as negative
numbers . •
On-Board Diagnostic system (OBD)
On-Board Diagnostics
Fig. 9 Location 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 assigned a code. In case of a malfunction, the component
will be identified and the fault stored as a code in the control module
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 refuelling, stop
the vehicle and make sure the fuel filler cap is properly closed
=:> page 199.
In order to make an accurate diagnosis, the stored data can only be
displayed using special diagnostic equipment (generic scan tool for
OBD).
In order to connect the special diagnostic equipment, push the plug
into the Data Link Connector (DLC). The DLC is located to the right of
the hood release =:> fig. 9.
Your authorized Audi dealer or a qualified service station can inter-
pret the code and perform the necessary repair. •
Malfunction Indicator Lamp (MIL)
The Malfunction In dicator Lamp (MIL) ,_. in the instrumen t cluster
=:> page 11, fig . S is part of the On-Board Diagnostic (OBD II) system .
The warning/indicator light illuminates when the ignition is switched
on and goes out after the engine starts and the idle has stabilized.
This indicates 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 illuminat es, the catalytic converter could be damaged.
Continue dr iving
with reduced power (avo iding susta ined high
speeds and/or rapid accelerations) and have the condition corrected .
Contact your authorized Audi dealer.
If the light illuminates, the electronic speed limiter may also be
ma lfu nctioning. For more information =>
page 20, "Electronic speed
limiter" .
An improperly closed fuel filler cap may also cause the MIL light to
illuminate =>
page 199. •
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 less than the
maximum speed of your veh icle . To reduce the risk of sudden tire
fai lure and loss of control if the vehicle is operated at excessive
speeds, your vehicle also has an elect ronic speed limiter. The elec-
tronic speed limiter prevents your vehicle from going faster than the
t ire speed rat ing . For more information=:>
page 231. .,,_
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