ECU AUDI A7 2014 Service Manual

2 78 Emergency situations
-When connecting jumper cables, make
sure that they cannot get caught in any
moving parts in the engine compart­
ment.
- Before you check anything in the engine
compartment, always read and heed all
WARNINGS
<=) page 227.
(D Note
Improper hook-up of jumper cables can ru­
in the generator.
- Always connect POSITIVE( +) to POSI­
TIVE(+), and NEGATIVE(-) to NEGATIVE
( - ) ground post of the battery manager
control unit.
- Check that all screw plugs on the battery
cells are screwed in firmly . If not, tighten
plugs prior to connecting clamp on nega­
tive battery terminal.
- Please note that the procedure for con­
necting a jumper cable as described
above applies specifically to the case of
your vehicle being jump started. When
you are giving a jump start to another ve­
hicle , do
not connect the negat ive( -) ca­
ble to the negative( -) terminal on the
discharged battery@<=)
fig. 223. In­
stead, securely connect the negative( -)
cable to either a solid metal component
that is firmly bolted to the engine block
or to the engine block itself. If the bat­
tery that is being charged does not vent
to the outside, escaping battery gas
could ignite and explode!
Emergency towing
with commercial tow
truck
General hints
Your Audi requires special handling for tow­
tng.
The following information is to be used by
commercia l tow truck operators who know
how to operate their equipment safely.
-Never tow your Audi. Towing will cause
damage to the engine and transmission .
- Never wrap the safety chains or winch ca­
bles around the brake lines.
- To prevent unne cessary damage , your Audi
must be transported with a flat bed truck.
- To load the vehicle on to the flat bed, use
the towing loop found in the vehicle tools
and attach to the front or rear anchorage
<=)page 278 and ¢page 279.
.&_ WARNING
=
A vehicle being towed is not safe for pas-
sengers. Never allow anyone to ride in a
vehicle be ing towed, for any reason.
Front towing loop
Only install the front towing loop when it is
needed.
Fig. 224 Front bumper: cover
Fig. 225 Front bumper : in stalling the towing loop
-
The towing loop fits into the threaded hole lo ­
cated on the right side of the front bumper
and covered by a smal l cover when not in use.
.,. Remove the towing loop from the vehicle
tool kit.

280 Emergency situations
@ Tips
Check carefully to make sure the hook-up
is secure before moving the car up the flat­
bed truck ramp.
Vehicle transport
Whenever you have your vehicle transported,
be sure to note the following:
(D Note
Mount the tie-down chains/cables over the
running surface (circumference) of the
tires. Never secure the vehicle by the axle,
the suspension struts or the front or rear
towline eye. For technical reasons, the
pressure in the suspension struts may
change during the transport and this will
adversely affect vehicle handling.
Lifting vehicle
Lifting with workshop hoist and with
floor jack
The vehicle may only be lifted at the lifting
points illustrated.
Fig. 229 Front lift in g po int
Fig. 230 Rear lifti ng point
., Read and heed WARNING c> &, .
~ N 0 6 .., (0
., Activate the vehicle jack mode* in the MMI:
!CARI function button > (Car)* systems con­
trol button>
Servicing & checks> Air susp.:
jack mode > On.
., Locate lifting points ¢ fig . 229 and
¢fig . 230 .
., Adjust lifting arms of workshop hoist or
floor jack to match veh icle lifting points .
., Insert a rubber pad between the floor jack/
workshop hoist and the lifting points .
The vehicle jack mode* must be activated so
that the automat ic adjustment of the Adap­
tive Ai r Suspens ion* does not make it more
difficult to raise the vehicle with the floor
jack .
If you must lift your vehicle with a floor jack
to work underneath, be sure the vehicle is
safely supported on stands intended for this
purpose.
Front lifting point
The lifting point is located on the floor pan re­
inforcement about at the same level as the
jack mounting point
¢fig. 229. Do not lift
the vehicle at the vertical sill reinforcement .
Rear lifting point
The lifting point is located on the vert ical rein­
forcement of the lower sill for the on-board
jack
c!;> fig. 230.
Lifting with vehicle jack
Refer to¢ page 268 .
A WARNING
-To reduce the risk of serious injury and
veh icle damage.
- Always lift the vehicle only at the spe­
cial workshop hoist and floor jack lift
points illustrated¢
fig. 229 and
¢ fig. 230.
-Failure to lift the veh icle at these
points could cause the vehicle to tilt or
fall from a lift if there is a change in ve­
hicle weight distribution and balance.
This might happen, for example, when
-

28 6 Con sum er Inf ormation
comp lexity of today's automobi les, have
steadi ly reduced the scope of maintenance
and repairs which can be carried out by vehicle
owners.
Also, s afety an d e nvir onm ent al con­
cerns place very strict limits on the nature of repairs and adjustments to engine and trans ­
miss ion pa rts which an owner can perform .
Maintenance, adjustments and repa irs usua lly
require special tools, testing devices and oth­
er equipment avai lab le to specially trained
workshop personnel in order to assure proper
performance, 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 reliab ility
of your vehicle and even void your vehicle war­ ranty. Therefo re , proof of servici ng in accord­
ance w it h the ma intenance sched ule may be a
condition for upholding a possible warranty
claim made within the warran ty period.
Above all, operational safety can be adve rsely
affected, c reating unnecessary risks for you
and your passengers.
If in doubt about any serv icing, have it done
by your author ized Audi dealer or any other
p roperly equipped and qualified workshop .
We strong ly urge you to give your authorized
Audi dealer the opportunity to perform all
schedu led maintenance and necessary repairs .
Your dea ler has the facilities, or iginal parts
and tra ined spec ialists to keep your vehicle
running properly .
Performing lim it e d m aint en anc e y ourself
The fo llowing pages describe a limited num­
ber of procedures which can be performed on
you r vehicle with ordinary too ls, shou ld the
need arise and trained personnel be unavaila­
ble. Before performing any of these proce­
dures, always thoroughly read all of the app li­
cable text and ca refully follow the instruc­
tions given. Always rigorously obse rve the
WARNINGS p rovided .
Before you ch eck anything in th e engin e
compartme nt, alway s read an d heed all WARNINGS
¢ & a
nd ¢ & in Working in the
engine comportment on page
22 7 .
A WARNING
--Serious personal in jury may occur as a re-
sult of improperly performed mainte­ nance, adjustments or repa irs.
- Always be extremely careful when work­
ing on the vehicle. Always follow com­
monly accepted safety pract ices and gen­
eral common sense. Never r isk personal
in jur y.
- Do not attempt any of the maintenance,
checks or repairs descr ibed o n the fol­
lowing pages if you are not fu lly fam iliar
with these or other procedures with re­ spect to the ve hicl e, or are uncerta in how
to proceed .
- Do not do any work withou t the proper
too ls and equipment . Have the necessary
work done by your authorized A udi deal ­
er or anothe r properly equipped and
qualified workshop.
- The engine compar tment o f any motor
vehicle is a potentially hazardous area. Never reach into the area around or
touch the rad iator fan. It is temperature
control led and can sw itch on suddenly -
even when the engine is off . The radiator
fan switches on automatically when the
coo lant reaches a ce rtain temperature
and will cont inue to ru n until the coo lant
tempera ture drops.
- Always sw itch off the ignition before any­
one gets under the vehicle.
- Always support your veh icle with safety
s tands if it is necessary to work under­
neath the vehicle. The j ack s upp lied with
the vehicle is not adequate for this pur­
pose and cou ld co llapse causing serio us
pe rsonal injury .
- If you must work underneath the vehicle
wit h the wheels on the ground, a lways
make sure the vehicle is on leve l ground,
that the wheels are a lways secure ly
blocked and that t he engine cannot be
started .

29 2 Index
Certification ...... ..... ... .. .. .... . 288
Changing a wheel .............. .. ... 266
Changing engine oi l ........ .. .. .. .. . 233
Chec king
Engine coolant leve l .... ... .. .. .... . 235
Tire pressure ... .. ..... ... .. .. .... . 249
Ch ild restra ints
Da nger of us ing ch ild restra ints in the
front seat . . . . . . . . . . . . . . . . . . . . . . . . 151
Where can I get additional information
about child restraints and their use? .. 193
Ch ild restra int system anchors ... ..... 189
Ch ild safety .. ..... ........ .. .. .... . 175
Convertible locking retractor . . . . . . . . . 186
Important safety instructions for using
ch ild safety seats ........... .. .. .. . 179
I mportant th ings to know when dr iving
with ch ildren . ............. .. .... . 175
Tether anchors .................... 192
Tether straps .. ... ...... ... .. .... . 192
Ch ild safety lock
Rear doors . .............. ... .. .... 40
Child safety seats .............. .... . 181
Boo ster se ats . . . . . . . . . . . . . . . . . . . . . 184
Convertible child seats ............. 182
Conve rtible locking retractor ......... 186
H ow do I properly install a child safety
seat in my vehicle? ...... .. .. .. .. .. . 179
I nfant sea ts ............. .. .. .. .. . 181
I nstall ing .... ............. ...... . 186
I nstalling a child restraint using the
L ATCH system .. .. ..... ... .. .. .... . 191
LATCH system ... .. .... ... .. .. .. .. . 19 1
Lower anchorages ............ .... . 190
Mount ing and releasing the anchorage
hook .. .. .. ... .... ...... ... ... .. . 191
Safety instructions . . . . . . . . . . . . . . . . . 179
Unused safety belts on the rear seat .. 181
C igarette lighter . . . . . . . . . . . . . . . . . . . . . 59
C le a ning .. .. .. . .......... .. .. .. .. . 213
Climate control Air vents ... ... .... ...... ... ... .. .. 71
Climate controls . . . . . . . . . . . . . . . . . . . . . 69
C limate con trol system
Supp lementary hea ter ... .. .. .. .... . . 74
Climate control (four-zone)
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 72 Climate control (three
-zone)
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 70
Clock .............................. 28
Closing Rear lid ........................... 38
Sl id ing/tilting sunroof ............. .. 42
Co ld tire inflation pressure ..... ... .. .. 247
Coming home ... .. ............. .... . 46
Compact spare tire .............. .... 265
Compartments . . . . . . . . . . . . . . . . . . . . . . 60
Compliance . . . . . . . . . . . . . . . . . . . . . . . . 288
Consumer Information . . . . . . . . . . 138, 285
Consumption (fuel) ... .......... .. .. . 25
Co ntacting NHTSA . ................ . 138
Controls Cleaning . ..... .. .. ... ..... ... .. .. 215
Co nvenience key . . . . . . . . . . . . . . . . . . . . . 36
Star ting the engine ............ .. .. . 76
Stopping the eng ine (START ENG IN E
STOP button) . . . . . . . . . . . . . . . . . . . . . . 77
Switching the ignition on .... ... .. .. . 76
Un locking and locking vehicle ......... 36
Converti ble child sa fe ty seats ..... .... 182
Co nvertib le locking retractor
Activati ng .... .... ............... . 188
Deact ivat ing . .. .. .......... ...... . 188
U si ng to secu re a child safety seat 1.86, 188
Coolant
refer to Engine coolant ............ . 234
Cooling mode (automatic climate control) 72
Cooling mode (climate control) ......... 70
Cruise contro l
Changi ng speed .. .. ... ....... ... .. . 85
Presett ing your speed ............... 85
Switching off .. .................... 85
Switch ing on . .. .. ... .......... .. .. . 84
Warning/ind icator lights ........ .. .. . 24
(upholder .. .. ... . .. .... .... ... .. .. . 60
C u rve light . ..... .. ... .. ..... .... . .. 102
Cylinder on demand System ........... 27
D
Data recorder ... ................... 196
Date disp lay . ..... .. .... .... ... .. .. . 28
Daytime run ning lights ........... .. .. . 44

298 Index
Proper seating position
Front passenger ....... ... .. .. .... . 132
Occupants . .... ... .... ... .. .. .... . 131
Rea r passenger s . . . . . . . . . . . . . . . . . . . 133
P rotec ting 215
Q
quattro
re fer to All-wheel dr ive 201
Question What happens to unbelted occupants? 141
Why safety be lts? . . . . . . . . . . . . . . . . . 140
R
Radiator fan ........... .... .... .... 236
Radio clock . .... .. ..... ... .. .. .... .. 28
Ra in/ lig ht sensor
H ead lig hts ... ... .. .. .... .. .. .. .. .. 44
I n termi ttent (win dshield wipe rs) .. .... 48
Sensor defective . . . . . . . . . . . . . . . . . . . . 23
Range (fuel level) ... .... ... .. .. .. .. .. 25
Reading lights .... .. ... .. .. .. .. .. .. .. 4 7
Rear fog lights . .... .... ..... .. .. .. .. 44
Rear lid Automatic operation . . . . . . . . . . . . . . . . 38
E me rgency release . . . . . . . . . . . . . . . . . . 40
Rea r light
De fe ct ive . . . . . . . . . . . . . . . . . . . . . . . . . 23
Rear she lf . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Rear spoiler .. ... ... .... ... .. .. .. .. . 199
Rea r view came ra
refer to P a rk ing systems ... .. .. 117,118
Rear view mirror . ... .... ... .. .. .... .. 51
Rear window heating (a utomat ic cl imate
control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Rea r window heating (clim ate contro l) ... 71
Recirculation mode (automatic climate
control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Recirculation mode (climate control) . . . . 70
Refue lling . ...... .. ... .... .. .. .. .. . 221
Remote cont rol
Garage door opener (HomeL in k) . .. ... 128
Unlocking and locking ... .. .. .. .... . . 35
Repa ir manua ls .. ... .... ... .. .. .. .. . 285 Repairs
Airbag system 165
Rep lacing
Fuse s ... .. .. .. .. ........ .... ... .. 272
Light bu lbs .. .. .. ...... ..... .. .... 275
T ires and wheels ... ... ..... ... .. .. 255
Windshie ld wiper b la d es ..... .... . .. . 49
Repo rting Safety Defects ..... .... .. .. 138
Rese t button .. .. .. .... ... .. .. .. .. .. . 27
Retractor . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3
Reve rsible mat .. .. ... .. .. ... ..... .. . 67
Rims Cleaning .. .. .. .. .. .... .. .. ... .... 214
Roof rack . .. .. .. . .......... ... ... .. . 62
Load ing ... .... .. .. ... .. ... ... .. .. . 63
Roof weight ..... .. .... .... ... .. .. . 63
s
SA FE .... .. .. .. . .......... ... ... .. . 27
Safe driv ing habits . .......... ...... . 130
Saf ety be lt pos ition . . . . . . . . . . . . . . . . . 144
S afety be lt height adjustment . . . . . . . 146
Safe ty be lts wo rn by pregnant women . 14S
Safety be lt pre tensioner ... .... ... .. .. 147
Service and disposal . .. ..... .... . .. 147
Safety be lt p retensioners
P re sense . . . . . . . . . . . . . . . . . . . . . . . . 194
Safety be lt s . . . . . . . . . . . . . . . . . . . . . . . . 143
Cleaning ...... .. ..... ........... . 215
Danger to passengers who do not wear a
safety belt ...... ................ . 141
Fasten ing . .. .. .. ... .......... .... 143
Heig ht adj ustmen t ............. .. .. 146
Improper ly wo rn ... .... .... ... .. .. 146
Not wor n ..... .. .. ... ..... ... .. .. 141
Safety be lt position . . . . . . . . . . . . . . . . 144
Safety inst ru ctions ............. .... 143
Securing child safety seats ...... .. .. 186
Spec ial considerations for pregnant
women ....... .. .. ... ........... . 145
Un fastening . .. .. ..... ........... . 145
Warning/ind icator light .... ..... .. .. 140
Wa rning light . . . . . . . . . . . . . . . . . . . . . . 17
Why YOU MUST wea r them .... .. .. .. 140
Worn p roperly ... .. .... .... ... .. .. 142
Safety belt tens ioner
drive select .. .. .. ... .. ........... . 102