ECU AUDI A5 COUPE 2015 Service Manual

Emergency situation s
-The ba ttery ce ll lockin g screws must be
t ightened securely .
- Before you check anyt hing in the engine
compartment, always read and heed all
WARNINGS
c> page 191.
(D Note
Improper hook -u p of jumper cables can r uin
the generator .
- A lways connect POS ITIV E(+ ) to POS ITIV E
( + ), and NEGATIVE( -) to NEGATIVE( -)
gro und post of the battery manager control
unit .
- Check that a ll screw plugs o n the batte ry
ce lls are screwed in firmly . If not, tighten
pl ugs prior to connect ing clamp on negat ive
battery te rminal.
- Please note that the procedure for connect­
i ng a jumper cable as desc ribed above ap ­
plies specifica lly to the case of yo ur vehicle
being jump started . W hen you a re g iving a
j u mp sta rt to another vehicl e, do
not co n­
ne ct the negative ( -) cab le to the negative
( -) t erminal o n the di scharged battery @
c> fig. 187. In stea d, secure ly co nn ect the
nega tive ( -) cab le to either a solid me tal
com ponent that is f irm ly bolted to the en ­
gine block o r to t he engine bloc k itself. I f
the battery that is being charged does not
vent to the outside , escap ing battery gas
could ignite and exp lode!
Towing with a tow truck
General hints
Y o ur Audi requires special handling for towing.
The fo llow ing information is to be used by com ­
mercia l tow truck operato rs who know how to op­
erate their eq uipment safe ly .
- Never tow your Audi, towing will cause dam­
age to the engine and transmiss ion.
- Never wrap the safety chains or winch cables
around the brake lines .
- To pre vent unnecessary damage, your Audi
must be transported with a flat bed truck.
238
- To load the vehicle on to the flat bed , use the
towing loop found in the vehicle tools and at·
tach to the front or rear anchorage
c> page 238 and c:>page 239.
A WARNING
A veh icle being towed is not safe f or passe n­
gers . Never a llow anyone to ride in a ve hicle
be ing towed, fo r any reason .
Front towing loop
Do not install the front towing loop until it is
needed .
Fig. 188 Fro nt b um per: remov ing t he cove r cap
Fig. 18 9 Front b umper: sc rew ing in t he tow ing loop
The towing loo p fits in to the threade d hole locat­
ed on the right side o f the front bum per and cov ­
e red by a small cover when not in use .
.,. Remove the tow ing loop fr om the vehicle tool­
ki t
c> page 225 .
... Press the cover i n by app lyi ng shor t strong
pressure to the bottom part to release it from
the bumper
¢ fig. 188.
... Sc rew the tow ing loop tightly into the th readed
hole as far as it will go
c> fig. 189 and tighten it
w it h the wheel w rench . ..,.

M N
0 l­oo
rl I.O
"' N
"' rl
When it is no longer needed, unscrew the towing
loop and put it back into the vehicle toolkit. Be
sure to have the towing loop stored in the vehicle
at all times .
A WARNING
If the towing loop is not screwed in as far as it
w ill go, the thread can pull out when the vehi­
cle is towed -potential risk of an accident .
Rear towing loop
Do not install the rear towing loop until it is
needed.
Fig. 190 Rear bumper: cover
Fig. 191 Rear bumpe r: Screw ing in towing loop
ID
"' N N ~ 0) IX)
On the r ight side of the rear bumper there is a
threaded hole for the towing loop. The threaded
hole is protected by a cover.
• Remove the towing loop from the vehicle too l­
kit
r::!;>page 225.
• Press the cover in by applying short strong
pressure to the bottom part to re lease it from
the bumper r::!;>fig .190.
• Screw the towing loop tight ly into the threaded
hole as far as it will go
r::!;> fig. 191 and tighten it
with the wheel wrench .
Emergency situations
Unscrew the towing loop again afte r use and in ­
stall the cover in the bumper. Install the cover in
the bumper . Return the tow ing loop to the tool­
k it. Be sure to have the towing loop stored in the
vehicle at all times.
A WARNING
-If the tow ing loo p is not screwed in as far as it
will go, the thread can pull out when the vehi­
cle is towed - potential risk of an accident.
Loading the vehicle onto a flat bed truck
Fig . 192 Vehicle on flat bed t ruck
Front hook up
• Align the vehicle with the centerline of the car
carrier ramp.
"' Attach the winch hook to the front towline eye
prev ious ly installed .
Rear hook up
"'Align the vehicle with the centerline of the car
carrier ramp.
"' Attach the winch hook to the rear towline eye
previously installed .
@ Tips
Check carefully to make sure the hook-up is
secure before moving the car up the flatbed
truck ramp.
239

M N
i? co ,...., \!) 1.1'1
N 1.1'1 ,....,
today's automobiles, have steadily reduced the
scope of maintenance and repairs which can be
carried out by veh icle owners .
Also , s afety a nd
en viro nm enta l
concerns place very strict limits
on the nature of repa irs and adjustments to en­
g ine and transmission parts which an owner can
perform.
Maintenance, adjustments and repairs usua lly re­
qu ire spec ial tools, testing devices and other
equ ipment available to specially trained work­
shop perso nnel in order to assure proper per­
formance, reliab ility and safety of the vehicle and
its many systems.
Improper ma intenance, adjustments and repairs
can impair the operation and reliability of your
vehicle and even void your vehicle warranty .
Therefore, proof of se rv icing in accordance with
the m aintenance schedule may be a condi tion for
upho ld ing a possib le warranty cla im made w ith in
the warranty period .
Above all, operational safety can be adversely af­
fected, creating unnecessary r isks fo r you and
your passengers.
I f in doubt about any servicing, have it done by
your author ized Audi dealer or any prope rly
equ ipped and qua lified workshop. We st rongly
urge you to give your authorized Audi dealer the
opport unity to perform all sched uled mainte­
nance and necessary repairs. Your dealer has the
fac ilities, origina l parts and trained specialists to
keep yo ur vehicle runn ing properly.
P e rforming lim it e d ma inten anc e y ours elf
The fo llowing pages describe a limited number of
proced ures which can be performed on yo ur vehi­
cle with ordinary tools, should the need arise and
trained personne l be unavailable. Before per­
forming any of these procedures, always thor­
oughly read all of the applicable text and careful­
ly follow the instructions g iven . Always rigorously
observe the
W ARNINGS prov ided .
Before you check an ything in the engine com ­
partm ent, always r ead and h eed all WARNING S
c:> .&. and c:> .&. in Working in the engine comport­
ment on page 191.
C o nsum er information
A WARNING
- Ser ious personal injury may occur as a result
of improperly performed maintenance, ad­
justments or repairs.
- Always be extremely careful when work ing
on the vehicle. Always follow commonly ac­
cepted safety practices and general com­ mon sense. Never ris k personal injury.
- Do not attempt any of the maintenance,
checks or repairs descr ibed on the following
pages if you are not fully familia r wi th these
or other procedures w ith respect to the vehi­
cle, or a re unce rtain how to proceed .
- Do not do any work without the proper tools
a nd eq uipment. Have the necessary work
done by your authorized Audi dealer or any
properly equipped and qualified workshop.
- The engine compa rtment o f any motor vehi­
cle is a potentially hazardous area. Neve r
reach into the area around or touch the radi­
ator fan. It is temperature controlled and
can switch on suddenly - even when the en­
g ine is off and the ignition key has been re­
moved. The rad iator fan switches on auto­
mat ically when the coo lant reaches a certain
temperature and will continue to run unt il
the coolant temperature d rops.
- Always remove the ign ition key befo re any­
one gets under the vehicle.
- Always support your veh icle with safety
stands if it is necessary to work underneath
the vehicle. The jack supplied w ith the vehi ­
cle is no t adequ ate for this purpose and
could collapse caus ing serious personal in­
jury.
- If you m ust wor k underneath t he vehicle
with the wheels on the ground, a lways make
sure the vehicle is on level ground, that the
wheels are a lways secure ly blocked and that
the engine cannot be started.
- Always make sure the transmission se lector
lever (automatic transmiss ion) is in "P"
(Park position) or Neutral (manua l transm is-
sion) and the park brake is firmly applied. .,.
245

Index
Child safety sea ts
Booster seats . . . . . . . . . . . . . . . . . . . . . . . 159
Convertible c hild seats . . . . . . . . . . . . . . . 157
Danger of using ch ild restra ints in the front
sea t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
H ow do I proper ly install a child safety seat
i n my ve hicle? ... ... .. ... ..... .. .. .. . 154
I nfant seats . . . . . . . . . . . . . . . . . . . . . . . . 156
L A T CH sys tem . . . . . . . . . . . . . . . . . . . . . . . 165
S afety ins tructions . . . . . . . . . . . . . . . . . . . 154
Unused safety belts on the rear seat . . . . 156
Ch ild seats . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Secur ing . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . . . 60
C le ani ng . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Climate contro l system . . . . . . . . . . . . . . . . . 68
Automatic recirculation . . . . . . . . . . . . . . . . 7 1
Supp lementary heater . . . . . . . . . . . . . . . . . 7 1
synch ron izing . . . . . . . . . . . . . . . . . . . . . . . . 7 1
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
C losing
Sun blind . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
C losing/openi ng
at the loc k cylinde r. . . . . . . . . . . . . . . . . . . . 36
by remote con tro l . . . . . . . . . . . . . . . . . . . . 34
with the cen tral locking switch . . . . . . . . . . 35
with the convenience key . . . . . . . . . . . . . . . 34
Com ing home . . . . . . . . . . . . . . . . . . . . . . . . . 45
Compact spare t ire . . . . . . . . . . . . . . . . . . . . 225
also refer to Spare tire . . . . . . . . . . . . . . . . 225
Compartments . . . . . . . . . . . . . . . . . . . . . . . . 61
Compass in the mir ro r . . . . . . . . . . . . . . . . . . 52
Comp liance . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Consumer informa tion . . . . . . . . . . . . . . . . . 2 44
Consumer I nformat ion . . . . . . . . . . . . . . . . . 119
Contacting N HTSA
119
Conven ience key
I ndic ator l igh ts . . . . . . . . . . . . . . . . . . . . . . 76
S tarting engine (STAR T ENGINE S TO P bu t-
ton) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Stopping the engine (S TAR T ENGINE STOP
button) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Sw itching on ignition . . . . . . . . . . . . . . . . . . 75
u nl ocking/locking . . . . . . . . . . . . . . . . . . . . 34
Conven ience opening/ closing . . . . . . . . . . . . 39
Convert ible ch ild safety s eats . . . . . . . . . . . 157
250
Convertib le locking retractor
Activating . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Deact ivat ing . . . . . . . . . . . . . . . . . . . . . . . . 163
U sing t o secure a child safety seat . . . . . . 162
C oolant system . . . . . . . . . . . . . . . . . . . . . . . 196
Cooling mode (automat ic climate control) . . 69
Cooling System Expansion tank... .. ............... .. 197
Corner ing l igh t . . . . . . . . . . . . . . . . . . . . . . . . 44
Cruise contro l
Changi ng speed . . . . . . . . . . . . . . . . . . . . . . 81
P resett ing your speed . . . . . . . . . . . . . . . . . 81
Swit ching off . . . . . . . . . . . . . . . . . . . . . . . . 81
Swi tchin g on . . . . . . . . . . . . . . . . . . . . . . . . . 80
C ruisi ng range . . . . . . . . . . . . . . . . . . . . . . . . . 24
( up holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
D
Data recor der . . . . . . . . . . . . . . . . . . . . . . . . 169
Date disp lay . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Daytime runn ing lig hts. . . . . . . . . . . . . . . 44 , 45
De clarat io n of compliance
Adap tive cruise control . . . . . . . . . . . . . . . 2 47
Audi s ide ass ist . . . . . . . . . . . . . . . . . . . . . 24 7
Ce ll phone package . . . . . . . . . . . . . . . . . . 247
Convenience key . . . . . . . . . . . . . . . . . . . . . 247
E lectronic immob ilizer. . . . . . . . . . . . . . . . 247
Homelink universal remote control . . . . . 247
Remote contro l key . . . . . . . . . . . . . . . . . . 247
Defect ive light bu lb wa rning . . . . . . . . . . . . . 21
Defrost ing (windows) . . . . . . . . . . . . . . . . . . . 70
Dete rm ining correct load limit .... .... .. 219
D igi tal cloc k . . . . . . . . . . . . . . . . . . . . . . . . . . 12
D igital compass . . . . . . . . . . . . . . . . . . . . . . . 52
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . 242
D imm ing t he rearv iew m irror . . . . . . . . . . . . 48
Doors emergency lock ing . . . . . . . . . . . . . . . . . . . . 36
D river informat ion system . . . . . . . . . . . . . . . 23
En hanced shift indicator . . . . . . . . . . . . . . . 2 7
Open door or front lid warning . . . . . . . . . . 23
Outs ide tempe ratu re disp lay . . . . . . . . . . . . 23
Sound system display . . . . . . . . . . . . . . . . . 23
D river seat
refer to Seating position . . . . . . . . . . . . . . 113
D rivi ng econom ica lly . . . . . . . . . . . . . . . . . . 179

Index
Recirculation mode (automatic climate con-
trol) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . .
188
Release lever for hood . . . . . . . . . . . . . . . . . 191
Remote control
Garage door opener (Homelink) . . . . . . . . .
41
Remote control key .......... .... ... .. . . 32
Personalizing . . . . . . . . . . . . . . . . . . . . . . . . 32
un locking/locking . . . . . . . . . . . . . . . . . . . . 34
Remote rear lid release 37
Repair manuals . . . . . . . . . . . . . . . . . . . . . . . 244
Repairs
Airbag system . . . . . . . . . . . . . . . . . . . . . .
142
Replacement key . . . . . . . . . . . . . . . . . . . . . . 32
Replacing bulbs 235
Replacing w iper blades . . . . . . . . . . . . . . . . . 51
Reporting Safety Defects . ....... .. . 119, 120
Reset button . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Retractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Right hand drive . . . . . . . . . . . . . . . . . . . . . . . 46
Rims
Roof rack
. . .. .. ................. .. ....
Roof load .. .. .. ... ... ... .... .. .. ... .
219
62
63
Roof weight . . . . . . . . . . . . . . . . . . . . . . . . . 63
s
SAFE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Safe driving habits . . . . . . . . . . . . . . . . . . . . 112
Safe lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Safety
Airbag system .... ........... .. .. .. .
Belts
. . .. .. .. ... ... .... ..... .. .. .. .
Cargo
129
121
118
Correct seating position . . . . . . . . . . . . . . 113
Pedalarea .. .. ............... .. .. ... 117
Safety belt position . . . . . . . . . . . . . . . . . . . 125
Safety belts worn by pregnant women 126
Safety belt pretensioner
Service and disposal . . . . . . . . . . . . . . . . .
127
Safety belts .. .. ............... .. . 121, 124
Danger to passengers who do not wear a
safety belt . . . . . . . . . . . . . . . . . . . . . . . . .
122
Fastening . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Improperly worn . . . . . . . . . . . . . . . . . . . . 126
Not worn ....................... ... 122
Safety belt position . . . . . . . . . . . . . . . . . . 125
256
Safety instructions . . . . . . . . . . . . . . . . . . . 123
Securing child safety seats . . . . . . . . . . . . 160
Spec ial considerations for pregnant wom-
en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
126
Unfastening . . . . . . . . . . . . . . . . . . . . . . . . 126
Warning/indicator light . . . . . . . . . . . . . . . 121
w · r h arnrng 1g t . . . . . . . . . . . . . . . . . . . . . . . . 16
Worn properly . . . . . . . . . . . . . . . . . . . . . . 123
Safety belt warning light . . . . . . . . . . . . . . . 121
Safety comp liance sticker . . . . . . . . . . . . . . 241
Safety equ ipment . . . . . . . . . . . . . . . . . . . . . 112
Safety features for occupant restraint and
protection . . . . . . . . . . . . . . . . . . . . . . . . . . .
112
Safety gu idel ines
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
54
Safety instructions
Engine compartment ................ .
191
for side curtain airbags . . . . . . . . . . . . . . . 150
for using child safety seats . . . . . . . . . . . . 154
for using safety belts . . . . . . . . . . . . . . . . . 123
Monitoring the Advanced Airbag System 141
Seat adjustment
Head restraints
Seat belt s
115
refer to Safety belts . . . . . . . . . . . . . . . . . . 121
Seat heating . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Seating capacity
Seating position
121
Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Front passenger . . . . . . . . . . . . . . . . . . . . . 114
How to adjust the front seats . . . . . . . . . . 114
Incorrect seat position . . . . . . . . . . . . . . . . 116
Occupants ... .. .. .. .. ........... .. .. 113
Rear passengers . . . . . . . . . . . . . . . . . . . . . 115
Seats
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
Adjusting in the MMI . . . . . . . . . . . . . . . . . . 56
Convenience side view . . . . . . . . . . . . . . . . . 56
Correct seating position . . . . . . . . . . . . . . 113
Driver 's seat . . . . . . . . . . . . . . . . . . . . . . . . . 54
Fo ldi ng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Front passenger's seat . . . . . . . . . . . . . . . . . 55
Number of seats . . . . . . . . . . . . . . . . . . . . 121
Power easy entry function . . . . . . . . . . . . . . 56
Safety guidelines . . . . . . . . . . . . . . . . . . . . . 54
Seat symmetry . . . . . . . . . . . . . . . . . . . . . . . 56
Seat ventilation . . . . . . . . . . . . . . . . . . . . . . . 70