AUDI TT COUPE 2017 User Guide

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(D Note
Never drive until the tank is completely emp­
ty. The irregular supply of fuel that results
from that can cause engine misfires . Uncom­
busted fuel will then enter the exhaust sys­
tem. This can cause overheating and damage
to the catalytic converter .
Indicator lights
Description
The indicator lights in the instrument cluster
blink or turn on. They indicate functions or mal­
functions.
With some indicator lights, messages may ap­pear and warning signals may sound. The indica­
tor lights and messages in the display can be cov­
ered by other displays. To show them again, se­ lect the tab for the indicator lights and messages
using the multifunction steering wheel
c;, page 19. If there are several malfunct ions,
you can display them one at a time using the
thumbwheel.
Some ind icator lights in the display can display in
several colors .
Overview
Some indicator lights turn on briefly as a function
check whe n you switch the ign ition on . These sys­
tems are marked with a
,I in the following tables.
If one of these indicator lights does not turn on,
there is a ma lfunction in that system.
Red indicator lights
---------------
US A models :
Brake system ./ c;, page 10
Canada models:
Brake system ./ c;, page 10
USA models : electromechanical
parking brake¢
page 11
Canada models: electromechanical
parking brake¢
page 11
Cooling system
<=>page 12
Instruments and indicator lights
Engine oil pressure
c;,page 12
Alternator
¢ page 13
Engine stop while driving
¢page 13
Safety be lt
c;, page 13 c;, page 13
Electromechanical steering./
c;,page 91
Steering lock
¢page 13
Central indicator light
c;,page 14
Engine start system
c;,page 14
Transmission malfunction
c;, page 68
Rear spoiler
c;,page 92
Yellow indicator lights
Electronic Stabilization Contro l (ESC)
,I c;, page 14
Electronic Stabilization Control (ESC)
./ c;, page 14
USA models: anti-lock braking sys­
tem (ABS)./
c;, page 14
Canada models: anti-lock braking
system (ABS) ./
c;, page 14
Safety systems ,I
c;,page 15
USA models:
Brake pads c;, page 15
Canada models:
Brake pads c;, page 15
Electromechanical parking brake
c;,page 11
Tire pressure monitoring system../
<=>page 273
Tire pressure monitoring system
<=>page 273
9

Instruments and indicator lights
Engine control
c::> page 15
Emi ssions control system
c::> page 15
Engine speed limitat io n
c::> page 15
Engine oil level
c::> page 15
Engine oil senso r
c::> page 16
Battery charge
c::> page 13
Tank system
c::> page 16
Washer fluid level
c::> page 16
W indshield wipe rs
c::> page 16
Remote control key
c::> page 58
Battery in remote control key
c::> page 27
Bulb failure ind icator *
c::> page 16
Headlight range control system
c::> page 17
Adaptive light*
c::> page 17
- Light/
rain sensor*
• c::> page 17
Transmiss ion
c::> page 68 0
. . I I
~-e ... , . , ,.
I .
©-e .... , .. ,
&
Central indicator light
c::> page 14
@!
Electromechan ical steer ing./
c::> page 91
;
Adapt ive dampers*
c::> page 17
10
Rear spoiler
c::> page 92
Other indicator lights
- T
ur n signals
Ii ii c::> page 17
y>))
D
Rea r safety be lt./
c::> page 13
USA mod els : cru ise cont rol system*
c::> page 70
C anada models : cruise control sys ­
tem *
c::> page 70
Active lane assist*
c::> page 73
Conven ience key
c::> page 59
Electromechanica l park ing brake
c::> page 11
Active lane assist*
¢ page 73
Audi side assist *
c::>page 78
Transm iss io n
c::> page 68
Electromechan ica l park ing brake
c::> page 11
Rear safety belt./
c::> page 13
Rear safety belt./
c::> page 13
USA models: speed warn ing sys­
tem"
c::> page 70
Canada models: speed warn ing sys­
tem*
c::> page 70
High beams
<=:> page 37
BRAKE /{(JJ) Brak e sys te m
If this indicato r light turns on, there is a malfunc-
tion in the b rake system .
.,.

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1111 (USA models ) /. (Canada models )
Brakes : stop vehicle and check brake fluid level
St op the veh icle and check the bra ke f lu id level.
See an au thorize d Au di dealer o r aut ho rize d Au di
Service Faci lity for assistance if necessary .
1111 (USA models) /. (Canada models )
Warning! No brake booster
If brake assist (brake booster) is not wor king , you
h ave to use m uc h mo re fo rce whe n braking the
ve hicl e. See an a uthorized Aud i dea le r or author­
iz ed A udi Servi ce Fa ci lity for assistan ce.
1111 (USA mod els ) /. (Canada models )
Brakes : malfunction ! Stop vehicle safely
If the ABS indicator light fl]) (U SA mode ls) /
ti] (Canada models), the ESC indicator light DJ ,
and the brake system ind icator light 1111 (USA
models)
I . (Canada mode ls) t urn on and th is
message appea rs, the n the ABS, ESC a nd b raking
d istr ibu tio n ar e m alfu nctioning
c:::> _& .
Drive to you r a uthorized Aud i deale r or a uthor­
i zed A udi Service Fac ility immediately to have the
mal funct ion cor recte d
c:::> &.
1111 (USA models) /. (Canada models) Park­
ing brake: malfunction! Safely stop vehicle .
Please contact Service
- If the indicator light and the message appear
when the vehicl e is stationary or after switch­
ing the ignition on ,
check if you can release the
par king b rake. If you ca nnot re lease the par k­
ing br ake, see yo ur autho riz ed Aud i deale r or
a utho rize d Aud i Serv ice Fa cility . If yo u ca n re­
l ease the park ing br ake and t he mess age s till
appea rs, see an au thorized A udi dealer or au­
t h o rized Audi Serv ice Facility immediately to
have the malfunction cor rected .
-If the indicator light and message appear while
driving ,
the hill start assist or emergency b rak­
ing function may be malfunctioning. It may not
be poss ible to set the parking brake or release
i t once it has been set . Do not park your veh icle
on h ills. See a n author ized Audi dealer or au­
thorized Aud i Serv ice Facility fo r ass ista nce.
(USA models): if the
1111 and EiJ indicator
lights tu rn on together, have the brake system
Instruments and ind icator lights
chec ke d imme diately by an au thori zed A udi deal ­
er or authorized Aud i Service Faci lity
c:::> page 15.
T he re is al so a wa rn ing tone w hen the lights tu rn
on .
_& WARNING
-Read and fo llow the warnings in
c:::> page 244, Working in the engine com­
partment
befo re opening the hood and
checking the brake fluid level.
- I f the b rake system indicator li ght does not
turn off or it turns on w hile driving, the
b rake fl uid leve l in the reservo ir is too low,
a nd this increases the risk of a n accident .
S to p t he vehicle and do not co nti nu e d riv­
i n g . See an aut horize d Au di dea le r o r au­
t h oriz ed A udi Se rvi ce Fa cility for assi stan ce.
- I f the b rake system i ndicator light turns on
t oge ther wit h the ABS and E SC indi cato r
lig hts, t he A BS/ES C reg ulat ing fu nction m ay
be mal funct ion in g . Fu nct ions th at sta bilize
the vehicle are no longe r available. This
could c ause the rear of the vehicle to
swe rve, wh ic h increases the risk that the ve ­
h icle will s lide. Drive ca refully to the nearest
author ized Audi dealer or author ized A udi
Serv ice Faci lity and have the mal function
corrected .
PARK/(®)/~ Electromechanical parking
brake
If t he - (U SA mo dels) I. (C an ada models)
indica tor light turns on, t he pa rking brake was
set .
- (USA models) I. ( Canada models) Park­
ing brake: caution! Vehicle parked too steep
If the indicato r ligh t blin ks and the message ap­
pe ars, there is not e noug h braking powe r to se­
cur e the ve hicl e. T he br akes have ove rhe ate d. Th e
vehicle could roll away even o n a sm all i ncline.
- (USA models ) /. (Canada models)
Please press brake pedal to release parking
brake
11

Instruments and indicator lights
To release the parking brake, press the bra ke
pedal and p ress th e ~ button at the same time,
or start driv ing with h ill start ass ist
c::> pag e 61,
S tarting from a s top.
1ij Parking brake: malfunction! See owner's
manual
T here is a malfunc tion in the park ing b rake. Dr ive
to an a uthor ized Audi dealer or au thor ized A udi
Serv ice Facility immediately to have the mal func ­
tion cor rected.
Ii.I Parking brake: malfunction! Safely stop ve ·
hicle. Please contact Service
There is a malfunc tion in the park ing brake . Dr ive
to an author ized Audi dealer or author ized A udi
S erv ice Fa cil ity immedi ately to have t he m alfunc­
tion correc ted .
IB;J:t:);JJJ~ (USA models ) / Ii] (Canada models)
Please release parking brake.
Re lease the par king brake if t his message ap­
pea rs .
11;1;!:t :);tJJ~ (USA models ) 111] (Canada models )
Parking brake auto release unavailable
If th is message appears, press the brake pedal
fi rst an d then re lease the pa rking bra ke .
ltl;!:t:);tJ:OusA models) / Ii] (Canada models)
Parking brake: caution! Vehicle parked too
steep
If th e i ndic ator lig ht blinks and t he m es sage ap ­
pe ars, the re is not eno ugh br aking power to se­
cure the vehicle . The bra kes have overheated. The
ve hicle co uld roll away eve n on a small incline .
ltl;!:t:);JJJ~ (USA models) t Ii] (Canada models)
Parking brake is applied
If t his message appears, press the bra ke pedal
f ir st a nd the n release the pa rk ing bra ke if neces ­
sa ry.
@ Tips
For add it iona l information on the park ing
bra ke, see
c::, page 60.
12
_L Cooling system
• Turn off engine and check coolant level
The coolant level is too low .
Do not continue dr iv ing and switch the en gine
off. Check the coolant level
c::, page 250 .
-If the coo lant level is too low, add coolant
c::, page 2 50. Only continue driving once the in­
dicator light turns off.
• Coolant temperature : too high . Let engine
run with vehicle stationary
Let t he engine ru n at idle fo r a few mi nutes to
cool off, until t he in dic ator lig ht tur ns off .
- If the ind icator light does not tu rn off , do no t
con tinue drivi ng the veh icle. See an authoriz ed
Aud i de aler o r au th ori zed Audi Serv ice Facili ty
for a ssistance.
.&_ WARNING
- Never ope n the hood if you ca n see or hea r
s team or coo la nt escaping from t he en gine
compa rtment. This increases the risk of
burns. Wait until you no longer se e or h ear
steam or coo lant escaping.
- The engine compa rtment in any vehicle can
be a dan gerous a rea. Stop the engine and
allow it to cool befo re wor king in the engine
compa rtment . Always follow the informa­
tion fo und in
c::, pag e 244, Working in the
e ngine compartment .
(D Note
Do not continue driving if the . indicator
li ght tur ns on as this increases the risk of en·
g ine damage.
"l!:1': Engine oil pressure
• Turn off engine. Oil pressure too low
Stop the engine and do not co nti nu e driving.
Check the eng ine oi l level
c::, page 248 .
-If the eng ine o il level is too low, add engine oil
c::, page 248 . Only continue driving once the in-
dicator light turns off. .,,.

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-If the engine oil level is correct and the indica­
tor light still blinks , turn the engine off and do
not continue driving. See an authorized Audi
dealer or authori zed Audi Service Facility for as­
sistance.
The oil pressure warning is not an oil level in­
dicator. Always check the oil level regularly.
0 Generator/vehicle battery
• Electric system: malfunction! Battery is not
being charged
T here is a malfunction in the alternator or the ve­
hicle electrical system.
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately. Turn off all un­
necessary electrical equipment because it will
drain the battery . See your authori zed Audi deal­
er or authorized Audi Service Facility if the bat­
tery charge level is too low .
(•) Electrical system: low battery charge. Bat·
tery will be charged while driving
The starting ability may be impaired.
If this message turns off after a little while , the
vehicle battery charged enough while driving.
If the message does not turn off, have an author­
ized Audi dealer or authorized Audi Service Facili­
ty repair the malfunction.
~ Engine stop while driving
• Engine stopped: no power steering or brake
servo possible
There is a malfunction in the engine or in the fuel
supply system .
More force is needed to steer and brake the mov­
ing vehicle when the engine is stopped. If the ve­
hicle is rolling , try to bring it to a stop off to the
side from moving traffic. See an authorized Audi
dealer or authorized Audi Service Facility for as­
sistance .
Instruments and indicator lights
A WARNING
-
If the engine stops while driving, you will
need to use more force to brake the vehicle .
This increases the risk of an accident . There
will still be power steering if the ignition is
switched on while the vehicle is rolling and
there is sufficient battery charge. Otherwise,
you must use greater force when steering.
~ Front safety belt
The. indicator light stays on until the driver's
and front passenger's* safety belts are fastened.
Above a certain speed, there will also be a warn­ ing tone.
@ Tips
For additional information on safety belts,
see
c::> page 189.
C l~ Rear safety belt
Applies to : vehicles with rear safety belt detection
The respective indicator light will turn on briefly
when a safety belt on the rear seats is fastened
or unfastened .
111-If this indicator light turns on briefly, the
safety belt on the rear seat is not fastened.
II-If this indicator light turns on briefly, the
safety belt on the rear seat was fastened.
• -If this indicator light blinks, the safety belt
was unfastened while driving. Above a certain
speed, there will also be a warning tone .
(D Tips
For additional information on safety belts,
see
¢page 189.
~ - Steer ing lock
• Steering: malfunction! Please stop vehicle
There is a malfunction in the electronic steering
lock. You cannot turn the ignition on.
Do
not tow your vehicle because it cannot be
steered. See an authorized Audi dealer or author-
ized Audi Service Facility for assistance.
1111>
13

Instruments and indicator lights
f!II Steering lock: malfunction! Please contact
Service
There is a malfunction in the elect ronic stee ring
lo ck.
Dr ive to an authorized Aud i dea ler or aut horized
Aud i Serv ice Facility immediately to have the
malfunct io n corrected.
_& WARNING
Do not tow your veh icle when there is a mal­
function in the electronic steering lock -this
increases the risk of an accident.
i'.t Central indicator light
If the . or U indicator light turns on, check
the message in the instrument cluster .
©-Engine start system
• Engine start system: malfunction! Please
c ontact Service
Do not switch the ign it ion off because you may
not be able to switch it on aga in.
D rive to an a uthorized Audi dea le r or a uthorized
Aud i Service Facility immediately to have the
malfunct ion corrected.
II! Engine start system: malfunction! Plea se
c ontact Service
There is a malfunction in the eng ine start ing sys ­
tem.
Dr ive to an a uthorized Aud i dea le r or authorized
Aud i Serv ice Facility immediately to have t he
malfunc tion corrected.
f!. I~ Electronic stabilization control (ESC)
and
( 8 ) anti-lock braking system (ABS)
.
If the DJ indicato r light b links w hile driving, the
E SC or ASR (Anti-S lip Reg ulation) is actively reg u­
lating.
I f the
DJ indicato r light turns on, the system has
switched the ESC off . In this case, you can switch
the ignition off and then on to switch the ESC on
14
again. The in dicator light t urns of f when the sys ­
tem is functioning fully.
Stabi lization control (ESC ): sport . Warning! Re ­
duced stab ility
If the II ind icator light turns o n, ESC sport
mode was switched on using the
I.a OFF I button
~ page 89. You can turn the ESC on aga in by
press the
I ~ OFF ! button ag ain.
Stabilization control (ESC ): off. Warn ing! Re­
duced stability
If the 11 ind icator light turns on, the ESC was re­
str icted or sw itched off using the
I .$ OF F I butto n
~ page 89. The message ESC OFF also appea rs .
You can t urn the ESC o n aga in by p ress t he
l.13 OFF I but to n aga in.
The system switches on when the ignit ion is
switched on . The
II ind icator light turns off
whe n the system is fu nctioning fu lly .
Stabili zation cont rol (ESC ): malfunct ion! See
owner's manual
Stab ilization control (ESC / ABS ): malfunction!
See owner's manual
ABS: malfunction! See owner 's manual
I f the DJ ind ic a tor light and t he A BS indica to r
li gh t
tJ:]) (U SA mode ls)/ riJ (C anada models)
turn on and this message appears, there is a mal ­
function in the ABS system or electronic differen­
tia l lock. Th is also causes the ESC to malfunction.
The brakes still function with their normal power,
but ABS is not active .
Drive to an authorized A udi dealer or authorized
Audi Se rvice Facility immediate ly to have the
malfunction corrected .
_& WARNING
If the 1111 (USA models) • (Canada mod­
e ls) brake system indicator light turns on to ­
ge ther with the ABS and ESC ind icator lights ,
the ABS/ESC regula ting func tion may have
failed. F unctions tha t stabili ze the vehicle a re
no longer ava ilabl e. This could c ause the vehi­
cle to swerve, which inc reases the risk that
the vehicle will slide . Drive ca refully to the
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nearest authorized Audi dealer or authorized
Audi Service Facility and have the malfunction
corrected.
@ Tips
For additional information on ESC and ABS,
see
~ page 88.
(0) Brake pads
EiJ Brake pads: wear limit reached. You can con­
tinue driving. Please contact Service
The brake pads are worn.
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately to have the
brake pads checked.
Applies to: USA models
The EiJ indicator light turns on together with the
11111 indicator light
.!f Safety systems
The El indicator light monitors the safety sys­
tems.
Safety system
If them indicator light turns on or blinks, there
is a malfunction in a safety system .
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately to have the
malfunction corrected.
_& WARNING
Have the safety systems inspected immedi­
ately. Otherwise, there is a risk that the sys­
tems may not activate during a collision,
which increases the risk of serious injury or death.
c±:, Engine control
-
If the II indicator light turns on if there is a mal­
function in the engine control.
Drive slowly to an authorized Audi dealer or au­
thorized Audi Service Facility to have the engine
checked.
Instruments and indicator lights
o Malfunction indicator lamp (MIL)
The malfunction indicator lamp (MIL) is part of
the On Board Diagnostic system (OBD II). The
¢'4 c;ymbol turns on when the ignition is switched
on and turns off again once the engine is started
and running at a steady idle speed. This indicates
that the MIL is functioning correctly.
The indicator light turns on if there is a malfunc­
tion in the engine electronics. See an authorized
Audi dealer or authorized Audi Service Facility to have the malfunction corrected .
For additional information, see
c::> page 17.
!?i Engine speed lim itation
Applies to: vehicles with engine speed limitation
(II maximum engine speed: XXXX rpm
The engine speed is automatically limited to the
speed displayed in the driver information system.
This protects the engine from overheating .
The engine speed limitation deactivates once the
engine is no longer in the critical temperature
range and you have released the accelerator ped­
al once.
If the engine speed limitation was activated by
an engine control malfunction, the
II indicator
light also turns on. Make sure the engine speed
does not go above the speed displayed, for exam­
ple when downshifting. Drive to an authorized
Audi dealer or authorized Audi Service Facility im­
mediately to have the malfunction corrected.
~ .. Engine oil level (min. )
II Please check oil level
You may continue driving for the time being.
Check the engine oil level as soon as possible
c::> page246.
-If the engine oil level is too low, add engine oil
~page 248.
- If the engine oil level is correct and the indica­
tor light still turns on, drive at low engine
speed to an authorized Audi dealer or author­
ized Audi Service Facility .
15

Instruments and indicator lights
'1=1";.. Engine oil sensor
• Oil level sy stem : malfunction! Plea se con­
tact S ervic e
The senso r to check the engine oil level has
fa iled. Drive to an au thorized Aud i dea le r or a u­
thor ized Audi Se rvice Facil ity immediate ly to have
the ma lfun ction co rrected.
II O il l ev el sen sor : oil chang e nece ssar y. Plea se
con tact Service
The engine oil leve l is too high.
Drive to an a uthorized Audi dea ler or authorized
Aud i Serv ice Facility immediately to have the
malfunct ion corrected.
CJ) Note
Refer to the description in the Owner's Man­
ual ¢
page 248, Checking the engine oil level
and adding engine oil.
Bl Tank system
00] Pl ea se refuel
If the indicator lig ht turns on for the first time
and the message appears, there are about 1.9
ga l (7 L) of fue l left in the tank.
D Plea se refuel immediately
If the ind icator lig ht turns on the message ap­
pea rs, the fue l tank is almos t empty. Refuel the
veh icle immed iate ly.
D Tan k system : ma lfun ction! Plea se contact
Servic e
If the indicator light turns on and th is message
appears, there is a malfunction in the tank sys­
tem.
Drive to an authorized Aud i dealer or authorized
Aud i Serv ice Facility immediately to have the
malfunct io n corrected.
@ For the sake of the environment
Fuel should never enter the sewer system or
come into contact w ith the ground.
16
(D Tips
More information on refueling is available on
page ¢
page 241 .
~ Washer fluid level
m Please add washe r fluid
Fill the washer fluid for the windshie ld washer
system and the headlight washer system* when
the ignit ion is switched off¢
page 253.
@wind shield wipers: malfunction! P lease
conta ct Se rvice
There is a ma lfunction with the windsh ield wip­
ers .
Drive to an authorized A udi dealer or authorized
Audi Service Facility immediate ly to have the
malfunction corrected .
. ·: If the II ind icator light turns on, a bulb has
failed. The message indicates the location of the
bulb .
Replace the bulb immediately.
Vehicle light s: malfunction! Please contact
Ser vice
There is a m alfu nction in the headlights or the
li gh t sw itch. Dr ive to an a uthor ized Audi dealer or
a uth orized Aud i Serv ice Facili ty immedia tely to
have the malfunction cor rected.
_& WARNING
- Light bulbs a re under p ressure and can ex­
plode when b ulbs are replaced, wh ic h in­
creases the risk of injury .
- With gas -discharge lamps* (xenon head­
lights), the high-vo ltage component must
be handled appropriately. Otherw ise, there
is a risk of fatal injury .

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~(D Headlight range control system
Iii Headlight range control : malfun ction! See
owner' s manual
There is a malfunction in the headlight range
control system, which may ca use g lare fo r othe r
d rivers.
Drive to an aut horized Aud i dea le r o r a uthorize d
Aud i Service Facility immediately to have t he
malfunct ion corrected .
§0 Audi adaptive light
Appl ies to: ve hicles with Audi adaptive light
l;J Audi adaptive light: malfunction! See own­
er's manual
There is a malfunc tion in the adapt ive lig hts . T he
h eadligh ts still f unction.
Drive to an authorized Aud i dea ler or authorized
Aud i Service Fac ility immediately to have t he
mal funct ion corrected .
~ Light/rain sensor
El Automatic headlights: malfunction! See
owner 's manual
El Automatic wipers: malfunction! See owner's
manual
The light/rain sensor is malfunct io ni ng .
The low beams remain switched on at all times
for safety reasons when the light switch is in the
AUTO position. You can continue to tur n the
lights on and off using the light switch. You can
still cont rol a ll w iper functions that are inde ­
pendent of the ra in sensor .
Drive to an authori zed Aud i dea le r or a uthori zed
Aud i Service Facility immediately to have the
malfunct ion corrected .
; Adaptive dampers
A ppl ies to: ve hicles w ith Audi drive select
B Suspension : malfunction! You may continue
driving
There is an adaptive damper malf unct ion.
Instruments and ind icator lights
D rive to an au thori zed A udi dealer or au tho rized
Audi Se rvice Facility immed iate ly to have the
malfunction corrected.
¢i ¢ Turn signals
If the . or 1B indicator light blinks, a turn sig­
nal is turned on . If both indicato r lights a re blink­
i ng, the emergency flashers are on .
On-Board Diagnostic
system (OBD)
Malfunction indicator lamp (MIL)
The malf u nction ind icator lamp ( MIL) ¢4 in t he
i ns trument cluste r is pa rt of the On Board D iag­
nost ic System (OB D II).
The wa rning/indicator lig ht tu rns on when the ig­
nition is switched on and turns off once the en­
gine is started a nd is r unning in idle at a s table
spe ed . T his ind icates t hat the MIL is f unct io ni ng
c or rectly.
If the lig ht does not turn off after start ing the
engine or t urns o n while drivi ng, this may ind i­
cate there is a malfunction in the eng ine . If the
i ndica to r tur ns o n, the cata lytic conve rter m ay be
d am aged .
Drive
with reduced engine performance (avo id
high speeds for extended per iods of t ime and/o r
fast accele rat ion) and have the ma lfu nction cor­
rec ted . See an aut hor ized A udi de aler or au thor­
i z ed Audi Service F acili ty.
T he in dicator may turn on if the e lectro nic speed
li mi ter is faulty. For ad dit io nal informa tio n, see
~ page 70, Ele ct ronic speed limite r.
17

Instrumen ts and ind icator ligh ts
On-Board Diagnostics
F ig. 4 Loc ation of D ata Link Connector (OLC)
On-Board Diagnostics monitors the components
of your emission control system. Eac h monitored
component in your engine system has been as­
signed a code . In case of a ma lfunction, the com­
ponent w ill be identified and the fa ult stored as a
code in the control module memory.
The MIL light may also ill uminate if there is a
leak in the on-board fuel vapor recovery system .
18
In order to make an accurate diagnosis, the stor­
ed data can only b e display ed using special diag­
nostic equipment (gener ic scan tool for OBD) .
In order to connect the special d iagnost ic equip­
ment, push the plug into the Data Link Connector
(DLC). The DLC is located to the right of the hood
release
~ fig. 4.
Your a utho rized Aud i dea ler or a qua lified service
station can interpret the code and perform the
necessary repair.
A WARNING
Do not use t he diagnostic connector for per­
sonal use. Incorrect usage can cause malfunc­
tions, which can increase the risk of a co lli­
sion!
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