check engine AUDI TT ROADSTER 2014 Service Manual

steadily reduced the scope of maintenance
and repairs which can be carried o ut by vehicle
owners.
Also, safe ty and en vironment al con­
cerns p lace very strict limits on the nature of
repairs and adjustments to engine and trans­
miss io n parts which an owner can perform .
Maintenance, adjustments and repa irs usua lly
require special tools, testing dev ices and oth­
er equipment availab le to specially trained
workshop personne l in order to assure proper
pe rformance, reliab ility and safety of the vehi­
cle and its many systems .
Improper ma intenance, adjustments and re­
pa irs can impair the operation and reliability
of your vehicle and even void your vehicle war­
ranty. Therefore, p roof of servic ing in accord­
ance w ith the maintenance schedule may be a
condition for upholding a poss ible war ran ty
claim made within the warranty period .
Above all, operational safety can be adversely
affected, creating unnecessary risks for you
and your passengers .
If in doubt about any serv icing, have it done
by your authorized Audi dealer or any othe r
p roperly equipped and q ualified works hop .
We strong ly urge you to give yo ur auth o rized
Aud i dea ler the opportuni ty to perform all
schedu led maintenance and necessary repairs .
Your dea ler has the facilities, original parts
and tra ined spec ialists to keep your vehicle
running properly.
Performing limit ed ma inten anc e yourself
The fo llow ing pages describe a limited num­
ber of proced ures which can be pe rformed on
your vehicle with ordina ry too ls, should the
need arise and trained personnel be unavaila­
ble. Before performing any of these proce­
dures, always t horoughly read a ll of the app li­
cable text and carefully follow the instruc ­
tions given . Always rigorously obse rve the
WARNINGS provided.
Befo re you check anything in the engine
c ompartm ent, a lway s re ad and heed all
WARN INGS ~
A and ~ A in Working in the
engine compartment on page 165.
Con sumer In formation 22 7
_& WARNING
- Ser ious personal injury may occur as a re­
sult of improperly performed mainte­
nance, ad justments or repa irs .
- Always be extremely careful when work­
ing on the vehicle . Always follow com­
monly accep ted safety pract ices and gen­
era l common sense. Never r is k personal
inju ry.
- Do not attempt any of the maintenance,
checks or repairs descr ibed o n the fol­
lowing pages if you are not fully fam ilia r
with these or othe r procedures with re­
spect to the vehi cle, or are uncertain how
to p roceed .
- Do not do any work without the proper
too ls and equipment. Have the necessa ry
wo rk done by your authorized A udi deal­
er or another proper ly equipped and
qualified wor kshop.
- The engine compartment of any motor
veh icle is a potentially hazardous area.
Never reach into t he area around or
touch the rad iator fan. It is temperature
contro lled and can switch on suddenly -
even when the engine is off and the igni­
tion key has been removed. The rad iator
f a n switches on a utomat ica lly when the
coo lant reaches a certain tempera ture
an d will continue to run until the coo lant
tem perature drops .
- Always remove the ign ition key before
anyone gets under the vehicle.
- Always support your veh icle with safety
stands i f it is necessary to work under ­
neath the vehicle. The jack s upplied with
the vehicle is not adequate for this pur­
pose and cou ld collapse causing serio us
personal injury.
- I f you must work underneath the vehicle
with the wheels on t he ground, a lways
make sure the vehicle is on leve l ground,
that the wheels a re a lways securely
blocked a nd that the engine cannot be
started. •
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228 Con sum er Inf ormation
-Always make sure the transmission se­
lector lever is in "P" (Park position) and
the hand brake is firmly applied.
@ For the sake of the environment
- Changing the engine settings wi ll ad ­
versely affect em iss ion levels . This is det­
rimental to the environment and increas­
es fuel consumption .
- Always observe environmental regula­
tions when dispos ing of old engine oil,
used brake fluid, dirty engine coolant,
spent batteries or worn out tires.
- Undeployed airbag modules and preten­
s ioners might be classified as Perchlo­
rate Material -spec ial handling may ap ­
ply, see www .dtsc.ca .gov/hazardous­
waste/perch lorate . When the veh icle or
parts of the restrai nt system in cl uding
airbag modules safety bel ts with preten­
s ioners are scrapped, all applicable laws
and regulations must be observed. Your
a uthorized Aud i dea ler is familiar w ith
these requirements and we recommend
that you have your dealer perform this
serv ice for you .
Additional accessories,
modifications and
parts replacement
Additional accessories and parts
replacement
Always consult an authorized Audi dealer be­
fore purchasing accessories .
Your vehicle incorporates the latest safety de­
sign features ensuring a high standard of
ac­
tive and passive safety .
T his safety could be compromised by non -ap­
proved changes to the veh icle. For this reason ,
if parts have to be replaced , please observe
the following points when installing addition­
a l accessories:
Approved Audi accessor ies and genuine Audi
parts are ava ilable from a uthorized Aud i dea l­
e rs. These dea
lers a lso have the necessary facili­
ties, tools and trained specialists to install the
parts and accessories proper ly .
A WARNING
=
Using the wrong spare parts or using non-
approved accessories can cause damage to
the veh icle and ser ious perso na l injury .
- Use on ly accessories express ly approved
by Audi and genuine Audi spare parts
- These parts and accessories have been
specia lly designed to be used on your ve­
h icle .
- Never install accessor ies such as tele­
phone crad les or beverage ho lders on a ir­
bag covers or within the airbag deploy ­
ment zones . Do ing so will increase the
risk of injury if a irbags are triggered in an
accident!
- Before you check anything in the engine
compa rtment, always read and heed a ll
WARNINGS
i=;, page 165 .
(D Note
-If items other than genu ine Audi spare
parts, add-on equipment and accessory
items are used o r if repair wo rk is not
performed accord ing to specified meth­
ods, this can resu lt in seve re damage to
your vehicle's engine and body (such as
corrosion) and adversely affect yo ur vehi­
cle's warranty.
- The innovat ive a luminium concept of
your Audi TT means that all servicing, re­ pairs or other work on the vehicle body
must be carr ied out exclusive ly by an
Audi workshop.
- If emergency repairs must be performed
elsewhere, have the veh icle examined by
an authorized Audi dealership as soon as
poss ible .
- The manufac turer cannot be held liable
for damage wh ich occurs due to failure
to comply with these stipulations .

230 Index
A
A/C operation . . . . . . . . . . . . . . . . . . . . . . . 71
Accessories . . . . . . . . . . . . . . . . . . . . . . . . 228
Acoustic park assist ........ .. .. .. .. . . 80
Adaptive light . . . . . . . . . . . . . . . . . . . 21, 49
Adding Eng ine coolant .............. ... .. .
Engine oil .. ..... ........... ... .. .
Windshield washer fluid ... .. .. .... .
Additional accessories
Addit ives
Engine oil . ...... ......... ... .... .
Adjustab le steer ing column ...... .. ... .
Adjusting front seats ....... .. .. .. .. . . 173
170
180
228
170 73
60
Adj usting steering column ... .... .... .. 73
Adjusting the seats ............... ... . 61
Advanced Airbag System Children 131
Components ............. .. .. .... . 115
Front airbags . ............. .. .... . 113
H ow the components work together . . 117
Monitoring .... ... ... .... .. .. .. .. . 119
Weight -se nsing mat ...... .. .. .. .. . 131
Airbag system . . . . . . . . . . . . . . . . . 109, 128
Care . .. .. .. ............... .. .... . 122
Ch ild restra ints .............. ... .. . 132
Components (front airbags) .. .. .. .. . 115
Danger of fitting a child safety seat on
the front passenger seat . . . . . . . . . . . . 110
Disposal ................ .. .. .... . 122
Fr ont airbags ..................... 113
How do the front airbags work? .. ... . 118
How many airbags does my vehicle
have? ... .. ............. .. .. .. ... 115
Important safety instructions on the knee airbag system ..... .. .. .. .. .. . 126
Important things to know ...... .. .. . 109
Indicator l ight .... ... .... .. .. .. .. . 119
Knee airbags ............. .. .. .. .. . 124
Monitoring ... ............. .. .... . 119
PASSENGER AIR BAG OFF light .. ..... 120
Repairs .... ................ ..... . 122
Side airbags . . . . . . . . . . . . . . . . . . . . . . 126
Warning/indicator lights ............. 15
When must the system be inspected? 119
A lcantara
C leaning ... .. .............. ..... . 158 All-wheel drive
.... ............. .... 147
Winter tires ..... ................ . 196
Alternator .. .... .. ............. .... . 16
Anti-free ze
refer to Eng ine cooling system . .. .. .. 172
Anti -lock brake system . . . . . . . . . . . . . . . 142
Warning/indicator lights ............. 18
Anti-s lip regulation ............. .... 142
Anti-theft systems Anti -theft alarm system ............. 38
Electronic immobilizer .......... .. .. . 33
Ashtray ... ..... .. .. .............. .. 64
Asterisk What does it mean when something is
marked with an asterisk? . . . . . . . . . . . . . . 6
Audi magnet ic r ide . . . . . . . . . . . . . . . 21, 80
Description . . . . . . . . . . . . . . . . . . . . . . . . 80
Indicator light . .. .. ........... .. .. . 21
Audi Service Repair Manuals and Li tera-
ture 226
Automatic be lt retractor ............ . 104
Automat ic convert ible top
closing
. .. .. .. .. ............. .. .. . 43
opening .. .. .. .. ................ .. 43
Automat ic transmission . . . . . . . . . . . . . . . 82
Driving Notes . . . . . . . . . . . . . . . . . . . . . . 84
Emergency program ........... .. .. . 87
Emergency release ............. .. .. . 87
Ignit ion key safety lock ........... .. . 74
Kick-down ..... .. ................ .. 86
Launch Control Program ............. 86
Se lector lever lock . . . . . . . . . . . . . . . . . . 83
Se lector lever positions ......... .. .. . 82
Tiptronic .. .... .. ............. .... . 85
T iptronic controls on the steering wheel 86
Auto Safety Hotline ................ .. 99
Average fuel mileage ............ .... . 23
Average speed . . . . . . . . . . . . . . . . . . . . . . . 23
Avoid damaging the vehicle ........ ... 151
B
Battery ...................... 175,178
Charg ing .. .... .. ............. .... 179
Checking battery acid level .......... 178
Connecting . ..... ................ . 175
Disconnecting 175

Important warnings ... ... .. .. .. .. . 177
Location 177
Low ... .. .. .. ... ....... ... .. .. .. . 147
Replacing the battery ........... .. . 176
State of charge . . . . . . . . . . . . . . . . . . . . 147
W inter operation . . . . . . . . . . . . . . . . . . 17 5
Wo rking on the battery . . . . . . . . . . . . . 177
Before driving . . . . . . . . . . . . . . . . . . . . . . . 92
Blended gasoline .......... .. .. .. ... 16 1
Boost . .... .. ................. .. .... 26
Booster seats . .... ..... ... .. .. .. ... 137
Boost pressure ind icator ........... ... 26
Brake fl uid
Changing the brake fluid ... .. .. .. .. .
175
Checking the brake fluid level . ....... 174
What is the correct brake flu id level? .. 174
What should I do if the brake fl uid warn-
ing light comes o n? ................
174
Brake system ... ........... .. .. .. ... 174
Anti-lock brake system ........ ... ... 18
Brake ass ist system ........... ... .. 142
Brake fl uid ................. ... ... 174
Brake fluid spec ifi cat ions for refill and re­
p lacemen t . . . . . . . . . . . . . . . . . . . . . . .
17 5
Brake ligh t de fect ive ................ 20
Brake pads . . . . . . . . . . . . . . . . . . . . . . . 150
General i nformation ... ... .. .. .. .. . 145
How does the moisture or road sa lt affect
the brakes? . ............. .... .. .. .
145
Malfunct ion . . . . . . . . . . . . . . . . . . . . . . . 14
Warn ing/ indicato r lights ....... ... ... 14
Wo rn brake pads symbol ....... ... ... 19
Brea k-in pe riod ... .. .... ... .. .. .... . 150
Brake pads . ............. .... .. ... 150
Tires
Bulbs
C
Ca lifo rnia Proposit io n 65 Wa rning
150
2 16
166
B att ery specific .......... .. .. .. .. . 178
Capac it ies ......................... 224
Carbon parts
Clean ing . . . . . . . . . . . . . . . . . . . .
157, 158
Care .. .. .. .. .. .. ........... .. .. ... 155
Cargo area
refer to Luggage compartment . . . . . . . . 97
Cata lytic converter .................. 151
Inde x 231
CD changer ... .... .. . .. .. ..... ... .. . 66
Certif ication ...... .. ............... 229
Changing a flat tire . ............. .. .. 209
Ch ang ing engine oil ................. 171
Checking
Battery ac id level ............. .... .
178
Engine coolant level ........... .... . 173
Checking t ire pressure ............... 187
Child res train t
Danger of using child res train ts in the
front seat
110
Child rest rain ts
Where can I ge t addi tional in format io n
abo ut child res train ts and the ir use? ..
1 4 1
Child safety .............. .......... 130
Convertible locking retractor ......... 138
Important safety instructions for using
c hi ld safety seats . .. .. ......... .. ..
133
Important t hings to know whe n driving
with children .. .... . ... ...... ... ..
130
Child safety seat .... ........... .... . 135
Convertib le locking retractor ......... 138
Installing . .. .. .. ................. 138
Child safety seats
Booster seats .. .. .. ...............
137
Co nve rtib le child seats ... ... ..... .. 135
How do I properly install a child safety
. h' l ? 133 sea t m my ve 1c e ................. .
Infan t seats . .. .. .... ........... ..
135
Safety instr uctions . .. .. ..... ... .. .. 133
Cigarette lighter ... .. . .. .. ... ..... .. . 65
Cleaning ..... .. ...... ............. 155
C limate controls . .. .. ........... .... . 68
A/C opera tion .. .. .... ............. . 71
Air distribution . . . . . . . . . . . . . . . . . . . . . 70
Air recircu lation mode . . . . . . . . . . . . . . . 71
Automat ic mode ... .. .. .... ... .. .. . 71
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Defrost . .. .. .. .. .. ............... . 71
Economica l use .. .. . .. .. ... ..... .. . 72
Fan ................... ........... 69
Heated seats . . . . . . . . . . . . . . . . . . . . . . 72
Heating ... .. .. .. .... ........... .. . 68
Pollu tant fi lter . . . . . . . . . . . . . . . . . . . . . 68
Rea r window defogger .. ..... ... .. .. . 71
Switc hing on and off .... .... ... .. .. . 69
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E
Efficiency program ...... ... .. .. .. .. .. 27
F ue l economy messages ... .. .. .. .. .. 27
Memory leve ls . . . . . . . . . . . . . . . . . . . . . 23
Other equ ipment .. ....... .. .. .. .. .. 2 7
E lapsed t ime . .. .... .... ... .. .. .. .. .. 23
E lectro -mechanical power assist . . . 17, 146
El ectronic differential lock (EDL) . ... ... 142
Warn ing/ indicato r lights ... .. ...... .. 18
E lect ro nic immobilize r . . . . . . . . . . . . 12, 33
Electro nic power control
EPC warning/ind icator light .. ... .... . 19
El ectro nic speed limite r .. ... .. .. .. .. .. 31
E lec tronic Stabilization Control ( ESC) .. . 142
War ning/ indicator ligh ts ... .. .. .. .. .. 18
E mergency fla sher . . . . . . . . . . . . . . . . . . . 51
War ning/ indicato r lights ............ . 21
Emergency locking . ..... ... .. .. .... .. 37
E me rgency opera tion
Conve rtible top ........ .. .. .. .. .. .. 44
Rear lid . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
E mergency sta rting . ....... .. .. .. .. . 217
Emergen cy towing ..... .. .. .. .. .. .. . 219
Energy management ....... .. .. .. .. . 14 7
B attery power . . . . . . . . . . . . . . . . . . . . 1 49
D river notification ..... ... .. .. .. .. . 149
E ng ine
C hec king and fill ing locations . .. .. .. . 167
Coolan t .. .. .... .. . .... .. .... .. .. . 172
D ata . ..... .. .. .. .. .... ... .. .. .. . 225
Hood .. .. .. .. .. .. .. .... ... .. .. ... 165
Starting . . . . . . . . . . . . . . . . . . . . . . 73, 74
Startingwith jumpercab les .. .. .. .. . 21 7
Stopping . .. ............. .... .. .. .. 75
E ng ine compartmen t ..... .. .. .. .. .. . 16 7
Safety ins tructions ..... ... .. .. .. .. . 165
Wo rking in the engine compartment .. 165
E ng ine cooling system ...... .. .. .. .. . 17 2
Adding cool ant ........... .. .. .. .. . 173
Chec king the eng ine coolan t leve l .. .. . 173
M alfunct ion . . . . . . . . . . . . . . . . . . . . . . . 17
Radiator fan . . . . . . . . . . . . . . . . . . . . . . 17 4
T emperature ga uge .... ... .. .. .. .. .. 11
E ng ine hood
C losing .. .. ............. .... .. ... 165
H ow to release the hood ... .. .. .. .. . 165
Inde x 233
Engine o il . ... .... .. . .. .. ..... ... . .
167
Adding ... .. .. .... . ... ...... ... . . 170
Additives . ... .. .. .. . .. ... .... ... . . 170
Changi ng ... .. .. ........ ........ . 171
Checking the engine oil leve l ....... . . 170
Ind ications and conditions requir ing ex -
t ra checking ... .. .. . .. ... ... .. .. . . 170
Oil consumpt ion ... ............... . 169
Oil g rades . .. .. .. .. . ... .......... . 16 7
Recommende d oi l che ck intervals . .. . . 170
Spec ificat ion and viscosity .... ... .. . . 167
Temperature display . .. ..... ... .. .. . 26
Engine o il leve l .. .. .. ............... . 20
Engine o il pressure (ma lfunction) .. .. .. .
16
Engine o il sensor defective ......... .. . 20
E ngine o il temperature indicato r ...... . . 26
Engine speed limitation ... .... ... .. .. . 19
En vir onment
Br eak-in per iod . .. .... .... ..... .. .. 150
C atalytic converter . .. .. ..... ... .. .. 151
Disposing of your vehic le battery ... .. 176
Driving at high speeds .. ..... ... .. .. 153
Driving to minimi ze po llution and noise 152
Fuel ...... .. .. .. .. .. .... ....... .. 163
Fuel economy . . . . . . . . . . . . . . . . . . . . . 152
Leakage from your vehicle ........... 165
Letting the vehicle stand a nd warm up . 153
Proper disposal of dra ined brake flu id . 175
P roper disposal of d ra ined eng ine cool-
an t ...... .. .. .. ................. 173
Proper disposal of d rained eng ine
oi l .. ... .. .. .. .... . ... ...... 170,171
Recycling used engine oil ..... ... .. .. 170
Un leaded fuel .. .. .. ............... 161
Wha t shou ld I do with an o ld bat tery? . 176
E PC
refer to E lect ronic power control ... ... 19
ESC (E lectronic Stab ilizat io n Control)
Wa rning/ind icator lights ... ..... .. .. . 18
Event Da ta Recorder (EDR) .......... .. 142
E xhaus t tai l pipes
Cleaning . ... .... .. . .. .. ..... ... .. 157
Expansion tank . . . . . . . . . . . . . . . . . . . . . 173
Exterior m irrors
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . 52
Dimming .. .. .. .... .......... ...... 53
Heating ..... .. .... .......... ...... 52
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