check engine AUDI A7 2014 Service Manual

_______________________________ I~ n~ d:::: e~x 291
AUTO
automatic climate control ... ... .. .. ..
73
Automatic headlights ............... 44
climate control . . . . . . . . . . . . . . . . . . . . . 70
Auto Lock . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Automatic belt retractor . . . . . . . . . . . . . 143
Automatic climate control
Air vents ... ............. .... .. ....
73
Automatic recirculation ...... .. .. .. .. 74
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 72
Setup . .. ... ...... ............. ... 74
synchron izing ......... ...... .... ... 73
Automatic Shift Lock (ASL) .. .. .. .. .. . 110
Automatic transmission ....... .. .. .. . 109
Automatic Shift Lock (ASL) .......... 110
Driving .... ................ ... ... 111
Emergency mode . . . . . . . . . . . . . . . . . . 114
Emergency release ........ .. .. .. .. . 115
Kick-down .. ............. .... .. ... 113
Manual shift program ....... .. .. .. . 113
Selector lever ............... ... ... 109
Automatic wipers .................... 48
Auto Safety Hotline .......... .. .. .. . 138
Average consumption ....... .. .. .. .. .. 25
Average speed . . . . . . . . . . . . . . . . . . . . . . .
25
Avoid damaging the vehicle .. .. .. .. .. . 206
B
Bag hooks . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Battery ..... .. ................ .... 238
Charging ... ................ ... ... 240
Important warnings ...... .. .. .. .. . 238
Jump starting ............ .... .. ... 276
Location . .. ............. .... .. ... 238
low ..... ... ...... ............. .. 202
Replacing the battery ....... .. .. .. . 241
State of charge ........... .... .. .. . 202
w· t · 1n er operation ......... .. .. .. .. .
Working on the battery .... .. .. .. .. .
Before driving .............. ... ... . .
Blended gasoline 238
238
130
218
Blower (automatic climate control) . . . . . . 73
Blower (climate control) . . . . . . . . . . . . . . . 70
Booster seats ................ ... ... 184
Brake fluid
Changing the brake fluid ............
237
Checking the brake fluid level ........ 237
What is the correct brake fluid level? .. 237
What should I do if the brake fluid warn-
ing light comes on? . .............. .
237
Brake system
Anti- lock braking system .............
20
Brake assist system .............. .. 196
Brake booster .. .. ................. 200
Brake fluid ...... .. ..... .......... 237
Brake fluid specifications for refill and re-
placement ...... .. ...............
237
Brake light defective . . . . . . . . . . . . . . . . 23
Brake pads .. .. .. .... ........... .. 204
Electromechanical parking brake ..... . 79
Fluid reservoir ..... ............... 237
How does moisture or road salt affect the
brakes? . .. .. .. .. .. ...............
200
Warning/indicator lights ........ .. .. . 15
Worn brake pads symbol ............ . 21
braking guard
Settings ... ..... .. ................
93
Braking guard ... .. .... ........... .. . 86
Messages . .. .. .. .. ............... . 93
Break-in period .. .. ... ... ...... ..... 204
Brake pads ...... .. ............... 204
Tires
Bu lbs
C
...... .. .. .. .................
204
275
California Proposition 65 Warning ..... 228
Battery specific .. .. .............. . 239
Capacities .... .. .. .... ............. 283
Engine oil ... .. .. ................. 229
Carbon parts
Cleaning . . . . . . . . . . . . . . . . . . . .
215,216
Car carrier
Transporting your vehicle ......... ..
280
Care ....... .. .. .. ... ............ .. 213
Cargo area ........ .. ............... 136
Cargo net . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Catalytic converter . ............. .. .. 205
Center armrest
Cockpit ... .. .. .. .. . .. .... ........ .
56
Central locking . ..... ................ 34
Emergency locking .... ......... .. .. . 38
•
•

29 4 Index
Start -Stop -System . . . . . . . . . . . . . . . . . . 81
starting .... ... . ...... ... .. .. .... .. 76
Starting with jumper cab les .. .. .. .. . 276
Stopping . . . . . . . . . . . . . . . . . . . . . . . . . . 77
E ng ine compartmen t ... .... .. .. .... . 229
C losing the hood . ..... ... .. .. .... . 228
Opening the hood ..... ... .. .. .... . 227
Safety instructions ..... ... .. .. .... . 227
Working in the engine compartment . . 227
E ng ine coolan t ... .. ... .... .. .. .. .. . 234
Adding coolant . .. ..... ... .. .. .... . 235
Checking the engine coolant leve l .. .. . 235
Expansion tank . .. ..... ... .. .. .... . 235
M alfunct ion symbo l . . . . . . . . . . . . . . . . . 17
Radi ator f an .... ... .. ...... .. .. .. . 236
T emperature gauge ........ .... ..... 11
Eng ine oil ... ... .. ..... ... .. .. .... . 229
Adding .... ... . ...... ... .. .. .... . 232
Addit ives . .... .... .... ....... .. .. . 232
Ch ang ing .. .... .. ... .. .. .. .. .. ... 233
Check ing the eng ine o il level .. .. .... . 232
Ind ications and cond it ions req uiring ex -
tra checking .................. .... 232
I nd icator light . . . . . . . . . . . . . . . . . . . . . 18
O il cons umption . .. ... .... .. .. .. .. . 23 1
O il grades .... .... .... ... .... .. .. . 229
P ressu re mal function . ... .. .. ... ... .. 18
Recomm ended oil check int ervals . ... . 232
Sensor def ective . . . . . . . . . . . . . . . . . . . . 22
Specification and viscos ity .. .. .. .... . 229
E ng ine sound ...... ....... .. .. .. .. . 102
Eng ine speed limitat ion ...... ... .. .... 22
Engin e start-stop mode
refer to Start-Stop-System . .. .. .. .. . . 83
E ng ine start sys tem (ind icator lights) .. . . 18
E nv ironment
Break- in period .............. ... ... 204
Cata lytic conve rter ........... ... ... 205
Di ese l pa rticul ate fi lter .. .. .. .. .. .. . 205
Di sp osing of yo ur vehicle batte ry .. ... 24 1
D riving a t high speeds ... .. .. .. .... . 20 7
D riving to minimize pollu tion and noise 206
Fu el . .... .. ... .. ..... ... .. .. .... . 221
Fue l economy ... .. ... .... .. .. .. .. . 206
Leaks unde r your veh icle ..... .. .... . 227
Le tting the ve hicle stand and warm up . 207
Prope r disposal of dra ined brake flu id . 23 7 Proper disposal of d
rained eng ine cool -
ant . ... .. .... .. .. ... ..... ... .. .. 235
Proper d isposal of d rained eng ine
o il . . . . . . . . . . . . . . . . . . . . . . . . . 232, 233
Recycling used engine oil . ....... .... 232
U nleaded fuel .. .. ................ . 218
What s hould I do with an old battery? . 241
Event Data Recorde r (EDR) . . . . . . . . . . . . 196
E xhaus t tai l pipes
C leaning .. .. .. . .......... ... ... .. 214
Expansion tank .. .. .......... ...... . 235
Exterior lighting ... .. ... ..... ... .. .. . 44
E xte rior mi rrors
Adjus ting . .. .. .. .. .... .... ....... . SO
D imming . ..... .. .. ... ..... ... .. .. . 51
Heating ... .... .. ... .. ..... .... . .. . SO
E xterior tempera ture display ........... 24
F
Fastening
Booster seats . . . . . . . . . . . . . . . . . . . . . 184
Co nvertib le child safety seats ........ 182
I n fan t seats . .. .. ....... ...... .... 181
Floor mats .. .. .. .. ...... ....... .... 135
F oot peda ls ..... .. .. ... ..... ... .. .. 135
Fo r the sake of the environment
Gasoli ne fumes and the env ironme nt .. 221
Red ucing engine noise by early upshift-
i ng ....... .. .. .. .. ............... . 11
Ref ueling ..... .. ... .. ..... .... . .. 221
Saving f uel by early ups hifting ... .. .. . 11
Fo ur-zone automatic climate control . .. . 72
Front a irbags
Descrip tion .. .. . .. ........ ... ..... 153
How they work . .. .......... ...... . 159
Frontal col lisions and the laws of p hysics 141
Front seats . . . . . . . . . . . . . . . . . . . . . . . . . 53
Adjus ting . .. .. .. ........... .. .. .. 132
C hild rest rain ts in the front seat . ... .. 151
Fuel Additives ...... .. ..... ........... . 218
B lended gaso line ........ .... ...... 218
Cur rent co nsumption .... ....... .... . 25
E conomy messages (e fficiency p rogram) 2 7
Fuel fi lle r flap emergency release ... .. 223
Fuel fi ller neck ... .. .... .... ... .. .. 220
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . 12

300 Index
Starting from rest . . . . . . . . . . . . . . . . . . . . 80
Starting off with a tra iler ... ... .. .. .. . . 80
Starting the engine .......... .. .. .. .. 76
Steer ing
Electrically adjustable steering whee l .. 75
Manually adjustable steering whee l .. .. 75
also refer to Electro -mechanical power
assist . ...... ................... . 201
Steer ing whee l
Easy entry feature ......... ... .... .. 76
Indicator light . . . . . . . . . . . . . . . . . . . . . 18
Steering whee l heating ..... ... .. ... . 74
Steering wheel column
Adj usting e lectr ically ...... .. .. .. .. . . 75
Adjusting manually ........ ... .. .. .. 75
Steer ing wheel w ith tiptronic ... .. .. .. . 113
Steps for determining correct load limit . 252
Stopping the engine . . . . . . . . . . . . . . . . . . 77
Storage . . . . . . . . . . . . . . . . . . . . . . . . 60, 64
S tronic transmission Launch Control Program ............ 114
S tron ic (automatic transmission) . .... . 109
Sunroof . .. ................... .... .. 42
Sun shade ... ................ ..... .. 48
Sun visors . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Symbols
refer to Warning/indicator lights ...... 12
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 12, 24
Tail lights
C leaning ................ .... ..... 214
TOI clean diesel
refer to Ad Blue .. ...... .... ... .. .. . 223
Technical data .............. ... .. .. . 282
Technical modifications ..... .. .. .... . 288
Temperature d isplay ...... .. .... .. .. .. 24
Tether anchors ..................... 192
Tether strap . ... ......... ... .. .. ... 192
Textiles Cleaning . .. ............. .. .. .. ... 216
The first 1,000 miles (1,500 km) and after-
wards ..... .. ................ ..... . 204
Three-zone climate control .. .. .. .. .. . . 70
Tie-downs . . . . . . . . . . . . . . . . . . . . . 66, 137 T
ips for the environment
Saving fuel . ..... ................ .. 63
t iptron ic (automatic transmission) 109, 113
Tire pressure .... ................... 249
T ire pressure monitoring system ....... 261
Loss of air pressure ................ 262
Malfunction ..... ................ . 262
Resetting tire pressures ......... .... 263
T ires ....... .. .. .. ............... .. 243
Service life .... .. ............. .... 253
Speed rating letter code ............ 255
Tire manufacturing date ............ 255
Tire specifications ............... .. 255
Tread depth ...................... 253
Uniform tire quality grading ..... .... 257
Winter tires ..... ... ........... ... 258
Tires and vehicle load limits ........ ... 251
T ires and wheels
Checking tire press ure ........ .. .. .. 249
Cold tire inflation pressure ....... ... 247
Dimensions . ..... ................ . 254
General notes .... ................ . 243
G lossary of tire and loading terminolo-
gy ....... .. .. .. .. ............... 244
Low aspect ratio tires ............. .. 260
New tires and wheels ........ ... .. .. 254
Replac ing ... .. .. ....... ...... .. .. 255
Snow chains ..... ... ........... ... 259
T ires and veh icle load limits ..... .... 251
Wheel bolts .................. .... 260
Winter tires ...... ................ 258
Tire service life .. .. ..... ..... ... .. .. 253
Too ls ..... ... .. .. ................ . 264
T orn or frayed safety belts ............ 143
Towing Tow truck procedures ........ ... .. .. 278
TPMS Tire pressure monitoring system . .. .. 262
T rai le r towing . .. .. ............... .. 209
Operating instructions .............. 209
Parking system ... ................ . 127
Technical requirements . . . . . . . . 209,210
Trai ler towing tips ................. 211
T rain (transport ing you r vehicle) . .. .. .. 280
Transmission .. .. .. ....... ...... .... 109
Transmission malfunction (indicator
light) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114