On-Board Diagnostic system (08D)
Malfunction Indicator Lamp (MIL)
The Malfunction Indicator Lamp (MIU ~ in the instrument cluster
~ page 17, fig. 7 is part of the On-Board Diagnostic (OBD ID system.
The warning/indicator light illuminates when the ignition is
switched on and goes out after the engine starts and the idle has
stabi lized . 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 starts flashing, the catalytic converter could be damaged.
Continue driving
with reduced power (avoiding sustained 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
malfunctioning . For more information~
page 29, "Electronic speed
limiter".
An improperly closed fuel filler cap may also cause the MIL light to
illuminate
~ page 327. •
On-Board Diagnostics
Con tro ls and eq uip
ment
Fig . 16 Location of
Data Link Connector
(D LC )
Driver information display
On-Board Diagnostics monitors the components of your emission
control system. Each monitored component in your engine sys tem
has been assigned a code. In case of a malfunction, the component
wil l be identified and the fault stored as a code in the control
module memory .
The M IL 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 327.
In order to make an accurate diagnosis, the stored data can only be
d isplayed using special diagnostic equipment (generic scan tool for
08D).
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. 16.
Your authorized Audi dealer or qualified workshop can interpret the
code and perform the necessary repair. •
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 vehicle. To reduce the risk of sudden tire
failure and loss of control if the vehicle is operated at excessive
speeds, your vehicle also has an electronic speed limiter. The elec
tronic speed limiter prevents your vehicle from going faster than the
tire speed rating. For more information~
page 359.
If the engine control unit receives faulty vehicle roadspeed signa ls,
the Malfunction Indicator Lamp (MIU will i lluminate . If this
occurs, contact the nearest authorized Audi dealer for assistance. .,.
Vehicle care I I Technical data
Driver information display
& WARNING
Always observe the posted speed limits and adjust your speed to
suit prevailing road, traffic and weather conditions. Never drive
your vehicle faster than the maximum speed rating of the tires
installed. •
Auto Check Control
Introduction
The Auto -Check control monitors the function of certain vehicle
features and components . It simply makes sure these features and
components are working properly . The Auto -Check control works as
long as the ignition is on, as well as whenever the vehicle is driven.
If a component is malfunctioning or if the need for an urgent repair
has been detected, this will appear in the instrument cluster display.
You will also hear an audible warning tone . The displays are color
coded in either red or yellow depending on their level of priority .
A red symbol means
Danger, a yellow symbol indicates Warning. In
certain situations, information message for the driver appear in
addition to the red and yellow symbols.
Function test: automatic transmission
The Auto-Check Control will automatically perform a test each time
you switch on the ignition. With the selector lever in
P or N, the
following message appears in the display:
When stationary apply footbrake while selecting gear.
When you a select a different gear (for example: R, D, etc.), the
message will disappear and the Auto-Check function is displayed.
If there is a malfunction, then the malfunction message will appear
about 15 seconds after the you start the vehicle. At the same time
you will hear a warning tone .•
Driver information messages
Driver information messages are shown in the instrument
cluster display in addition to the red and yellow symbols.
Fig. 17 Instrument
cluster: CHECK button
For example, if the transmission selector lever is not in the P posi
tion when the engine is turned off, the following message appears:
Shift to P, otherwise vehicle can roll away. Doors do not lock if
lever is not in P.
The ignition key can only be removed with the selector in this posi
tion. This and other messages are brought up if a function cannot
be carried out.
Driver messages and red symbols
If a red symbol appears in the display, a driver message can be
shown by pressing the [
CHECK) button.
For example, the symbol for a problem with engine oil pressure
"1::71
appears in the display . If you then press the [ CHECK) button, the
following driver message appears in the display:
Switch off engine and check oil level
The driver message in the display goes out after about 5 seconds.
The driver message can be displayed again by briefly pressing the
!CHECK) button. ..
Driver messages and yellow symbols
If a yellow symbol appears in the display, a driver message is also
displayed automatically.
For example, the symbol appears in the display, indicating low
windshield washer fluid level. The following message also appears:
Please top up washer fluid
The driver message disappears after a few seconds. The driver
message can be displayed again by briefly pressing the
I CH ECK]
button. •
Red symbols
A red symbol means DANGER.
-Pull off the road.
- Stop the vehicle.
Turn off the engine.
Fig . 18 Display: engine
coolant level warning
(priority 1)
- Check the malfunctioning system. Contact your autho
rized Audi dealer or a qualified workshop for assistance.
Red symbols indicate a priority 1 malfunction -Danger!
Con tro ls and eq uip
ment
Driver information display
With a priority 1 malfunction, a large symbol appears in the center
area of the display => fig. 18. When the symbol appears,
three
warning tones sound in succession. The symbol continues to blink
until the malfunction has been repaired.
If there are
more than one priority 1 malfunctions, the symbols
appear one after the other for about 2 seconds.
An additional driver message can also be displayed by briefly
pressing the
! CHECK ] button.
The red symbols mean:
0
BRAKE
[ i] Tips
Alternator malfunction
USA models:
Brake system malfunction
Canada models:
Brake system malfunction
Engine coolant level too
low/engine coolant temperature
too high
Engine oil pressure too low
Faulty steering
Faulty ignition switch
=> page32
=> page 32
=> page32
=> page33
=> page 33
=> page 34
=> page 34
• If the warning/indicator light BRAKE (USA models)/ © (Canada
models) in the instrument cluster flashes, there is a brake system
malfunction. By pressing the
I CH ECK] button, you can bring up a
driver message which explains the malfunction in more detail.
Please note
=> page 32. ..
Vehicle care
I I irechnical data
Driver information display
• Speed warnings threshold 1 8 (USA modelsl/8 (Canada
models) and threshold
2 e , (USA modelsl/ 8 (Canada models) are
also shown as red symbols. The warning is always shown as a small
symbol in the upper area of the display=>
page 38. •
Alternator malfunction 0
If the O symbol in the instrument panel display flashes, then there
is a malfunction in the alternator or the vehicle electronics. A
warning to the driver will appear, too. The driver warning goes out
after about
5 seconds, but it can be brought up at any time by
pressing the
( CHECK ] button again.
Usually, you can still drive to the next dealership. Turn off all but the
most necessary electrical consumers, since these drain the vehicle's
battery.
0 Note
If the _t warning symbol (coolant system malfunction) also lights
up on the instrument panel during the trip=>
page 33, then you
have to stop immediately and turn off the engine. The coolant pump
is not working anymore -danger of damage to the engine! •
Brake system malfunction
A malfunction in the brake system must be repaired as
soon as possible.
If the warning/indicator light BRAKE (USA models)/ (©)
(Canada models) in the instrument cluster flashes, there is
a brake system malfunction. By pressing the [ CHECK]
button, you can bring up a driver message which explains
the malfunction in more detail.
Stop vehicle and check brake fluid level
-Pull off the road.
- Stop the vehicle.
- Turn off the engine.
- Check the brake fluid level=>
page 341.
-Contact your nearest authorized Audi dealer or qualified
workshop if necessary.
Warning! Fault in ABS brake system. Contact
workshop
- Drive carefully to the nearest authorized Audi dealer or
qualified workshop and have the malfunction corrected
=> & .
If the ABS system malfunctions, the ABS warning/indicator light illu
minates together with the brake system malfunction warning/indi
cator light=>& .
& WARNING
• Always observe the warnings in => page 324, "Engine compart
ment", before opening the hood and checking the brake fluid .
• Driving with low brake fluid is a safety hazard. Stop the car and
get professional assistance .
• USA models: If the BRAKE warning light and the .-..-warning
light come on together, the rear wheels could lock up first under
hard braking. Rear wheel lock-up can cause loss of vehicle control
and an accident . Have your vehicle repaired immediately by your
authorized Audi dealer or a qualified workshop. Drive slowly and
avoid sudden, hard brake applications.
• Canada models: If the brake warning light
warning light come on together, the rear wheels could lock up
first under hard braking. Rear wheel lock-up can cause loss of _.,
Driver message appears and does not go out again
If this driver notification appears after the ignition is turned on or
while driving and does not go out again , the battery's state of
charge is not in the optimal range . Starting capability is restricted.
Have the battery checked by an authorized Audi dealer as soon as
possible .•
Worn brake pads )
Brake pads!
If the warning light illuminates, immediately contact your autho
ri zed Audi dealer or qualified workshop to have all brak e pads
inspected. On USA models the warning light .,...,,. comes on together
with the warning light
BRAKE. Both sets of brak e pads on an axl e must
always be replaced at the same time.
& WARNING
Driving with bad brakes can cause a collision and serious personal
injury.
• If the warning light and the warning light
BRAKE21 with the
message Brake pads! comes on in the instrument cluster display,
immediately contact your authorized Audi dealer or qualified
workshop to have all brake pads checked or replaced if
necessary. •
Headlight range control defective )
' Headlight range control defective !
If the symbol illuminates , the dynamic headlight range control is no
longer working properly. Have the system checked and repaired at
your authorized Audi dealer. •
21 BRAKE: USA models only
Controls and equip
ment
Driver information display
Engine oil level ~
~ Please check oil level
When the symbol illuminates, check the engine oil level as soon as
possible=>
page 335. Top off the oil at your earliest opportunity
=>
page 336. •
Engine oil sensor defective -
Oil level! Sensor defective
If the symbol illuminates, contact your authorized Audi dealer and
have the oil sensor inspected. Until you have this done, check the oil
level each time you refuel just to be on the safe side=>
page 335. •
Applies to vehi cles : wit h engi ne spee d lim itation
Engine speed limitation f,,.
Engine speed maximum XXXX RPM
The I symbol illuminates when there is an engine control malfunc
tion . The indicator light in the instrument cluster also illumi
nates. The engine speed is limited to the speed displayed in the
driver information system. Keep in mind that the engine speed will
not exceed the value displayed in the driver information system, for
example when downshifting .
Please go to an authorized Audi dealer or other qualified workshop
to have the malfunction repaired. •
Applies to vehic les : with Ada ptive ligh t
Adaptive Light defective ~l
' Adaptive Light defective
I • •
Speed warning 1: setting a speed limit
Warning threshold 1 is set by the ( CHECK) button.
Storing the maximum speed
- Drive at the desired maximum speed .
Fig. 20 CHECK button
in the instrument
cluster
- Briefly press the (CHECK ] button => fig. 20.
Resetting the maximum speed
- Drive the vehicle at a speed of at least 3 mph
(5 km/h)
- Press the
I CHECK] button for more than 2 seconds.
The speed warning symbol 8 (USA modelsl/ 0 (Canada models) will
appear briefly in the display when you release the [ CHECK] button
to indicate that the maximum speed has been stored successfully .
The maximum speed remains stored until it is changed by pressing
the [ CHECK] button again briefly or until it is deleted by a lengthy
push on the button . •
Con tro ls and eq uip
ment
Driver information display
Speed warning 2 : setting a speed limit
Warning threshold 2 is set, changed and deleted in the
MM/.
Fig. 21 MMI display :
Set warning threshold
2
Switching speed warning on and off
- Press the (CAR] function button.
- Select
Instrument cluster. The Instrument cluster menu
appears => fig. 21.
- Select Speed warning
On to switch on the warning
threshold or
Off to turn off the warning threshold.
Setting and adjusting the warning threshold
- Press the
I CAR I function button.
- Select
Instrument cluster. The Instrument cluster menu
appears.
- Select the second item in the
Speed warning menu . The
submenu
Speed threshold appears=> fig. 21.
- Set the warning threshold you want.
Vehicle care I I Technical data
Driver inf ormati on displ ay
Warning threshold 2 can be adjusted within a speed range of 18 to
125 mph (30 to 200 km/h) . Settings can be adjusted in intervals of 6
mph (10 km/h) each. •
Trip computer
Introduction
The trip computer gives you information on current and
average fuel mileage, average speed, fuel range and
driving time.
Fig . 22 T rip computer
d isp lay: Aver age f uel
m ileage
The following driving information is continuously evaluated by the
trip computer and can be disp layed sequential ly in the instrument
cluster display .
Fuel ran ge
The estimated cruising range in miles (km) appears in the display.
This tells you how far your vehicle will be able to trave l on the
current tank of fuel and with the same driving sty le. The display
changes in increments of 6 miles (10 km).
The cru ising range is ca lculated based on the fuel consumption for
the last 18 miles (30 kml. If you drive conservatively, the cruising range will increase.
A ve ra g e fu el m ilea ge
The average fuel economy in MPG (1/100 km) since you las t cleared
the memory appears in this display. You can use this disp lay to
adjust your driving technique to achieve a desired mileage.
C urr ent fu el mi leage
The instantaneous fuel consumption in m iles per gallon {1/100 km)
is shown in this display. You can use this disp lay to adjust your
driving technique to achieve a desired mileage .
Fuel consumption is recalculated at intervals of 33 yards (30
meters). When the vehicle is stationary, the most recent fuel
consumption is displayed.
A ver age s peed
The average speed in mph (km/h) s ince the last time the display was
reset appears in the display .
Elapse d tim e
The length of time that you have been driving since you last reset
the memory appears in this display.
[ i ] T ip s
• Fuel consumptions (average and current), range and speed are
displayed in metric units on Canadian models.
• All stored values will be lost if the vehicle battery is
disconnected. •
Driver information display
In addition, all the values in the single -trip or the total -trip memory
can be deleted simultaneously.
[ i ] Tips
All stored values will be lost if the vehicle battery is disconnected. •
MMI settings
Basic settings for the trip computer can be made in the
MM/.
Fig. 25 MMI display :
Trip computer
Setting values to zero
-Press the I CAR I function button.
- Select
Instrument cluster.
-Select Trip computer 1 or Trip computer 2.
-Select Reset to delete all the values in the memory
~ fig. 25.
Displaying and hiding driver information
-Press the I CAR I function button.
- Select
Instrument cluster.
- Selec t Trip computer 1 or Trip computer 2.
-Select, for example, Fuel range On to turn on the display
or
Off to turn the display off.
All values in the single-trip or the total-trip memory can be reset to
zero simu ltaneously in the MMI. In addition you can determine what
driving information from the trip computer shou ld be shown in the
instrument cluster display . If one of the pieces of driver information
is turned
off, that driver in formation will not be shown in the display.
The information will continue to be calculated by the trip computer
and can be turned back
on at any time. •
Tire pressure monitoring system
General notes l )
Each tire, including the spare (if provided), should be checked
monthly when co ld and inflated to the inflation pressure recom
mended by the vehicle manufacturer on the vehicle placard or tire
inflation pressure label. (If your vehicle has tires of a different size
than the size indicated on the vehicle placard or tire inflation pres
sure label, you should determine the proper tire inflation pressure
for those tires.)
As an added safety feature, your vehicle has been equipped with a
tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly
under-inf lated . Accordingly, when the low tire pressure telltale illu
minates, you should stop and check your tires as soon as possible,
and inflate them to the proper pressure. Driving on a significantly
under -inflated tire causes the tire to overheat and can lead to tire
failure. Under-inflation also reduces fuel efficiency and tire tread
life, and may affect the vehicle's handling and stopping ability.
Please note that the TPMS is not a substitute for proper tire mainte
nance, and it is the driver's responsibility to maintain correct tire .,_