2011 TOYOTA AYGO check engine

224IN CASE OF AN EMERGENCY
If the cause of the battery discharging is
not apparent (for example lights left on)
you should have it checked at any
authorized Toyota dealer or repairer, or
another duly qualified and equipped
professional.
If the first start attempt is not success-
ful...
Check that the clamp on the jumper
cables are tight. Recharge the discharged
battery with the jumper cables connected
for several minutes and restart your en-
gine in the normal way.
If another attempt is not successful, the
battery may be depleted. Have it checked
at any authorized Toyota dealer or repair-
er, or another duly qualified and equipped
professional.If your engine stalls while driving...
1. Reduce your speed gradually, keeping
a straight line. Move cautiously off the
road to a safe place.
2. Turn on your emergency flashers.
3. Try starting the engine again.
If the engine will not start, see “If your
vehicle will not start” on page 220 in this
Section.
CAUTION
If the engine is not running, the pow-
er assist for the brakes will not work
so braking will be much harder than
usual.
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If your engine stalls while
driving

IN CASE OF AN EMERGENCY225
If engine speed does not increase when
the accelerator pedal is depressed, there
may be a problem somewhere in the elec-
tronic throttle control system.
At this time, vibration may occur. Howev-
er, if you depress the accelerator pedal
more firmly and slowly, you can drive your
vehicle at low speeds. Have your Toyota
checked by any authorized Toyota dealer
or repairer, or another duly qualified and
equipped professional, as soon as pos-
sible.
Even if the abnormality of the electronic
throttle control system is corrected during
low speed driving, thesystem may not be
recovered until the engine is stopped and
the engine switch is turned to “ACC” or
“LOCK” position.
CAUTION
Be especially careful to prevent erro-
neous pedal operation.
If your high engine coolant temperature
warning light flashes to indicates over-
heating, if you experience a loss of
power, or if you hear a loud knocking
or pinging noise, the engine has prob-
ably overheated. You should follow this
procedure...
1. Pull safely off the road, stop the ve-
hicle and turn on your emergency
flashers. Put the transmission in “N”
(multi−mode manual transmission), or
neutral (manual transmission) and ap-
ply the parking brake. Turn off the air
conditioning if it is being used.
2. If coolant or steam is boiling out of the
radiator or reservoir, stop the engine.
Wait until the steam subsides before
opening the hood. If there is no coolant
boiling over or steam, leave the engine
running and make sure the electric
cooling fan is operating. If it is not,
turn the engine switch off.
CAUTION
To help avoid personal injury, keep
the hood closed until there is no
steam. Escaping steam or coolant is
a sign of very high pressure.
3. Look for obvious coolant leaks from the
radiator, hoses, and under the vehicle.
However, note that water draining from
the air conditioning is normal if it has
been used.
CAUTION
When the engine is running, keep
hands and clothing away from the
moving fan and engine drive belts.
AYGO WE 99E37E11 02.18
If you cannot increase engine
speed (vehicles with multi−mode
manual transmission or vehicle
stability control system)
If your vehicle overheats

226IN CASE OF AN EMERGENCY
4. If the coolant is leaking, stop the en-
gine immediately. Call any authorized
Toyota dealer or repairer, or another
duly qualified and equipped profession-
al, for assistance.
5. If there are no obvious leaks, check
the coolant reservoir. If it is dry, add
coolant to the reservoir while the
engine is running. Fill it about half full.
For the coolant type see “Coolant type
selection” on page 267 in Section 7−2.
CAUTION
Do not attempt to remove the radiator
cap when the engine and radiator are
hot. Serious injury could result from
scalding hot fluid and steam blown
out under pressure.
6. After the engine coolant temperature
has cooled to normal, again check the
coolant level in the reservoir. If
necessary, bring it up to half full again.
Serious coolant loss indicates a leak in
the system. You should have it
checked as soon as possible at any
authorized Toyota dealer or repairer, or
another duly qualified and equipped
professional.1. Reduce your speed gradually, keeping
a straight line. Move cautiously off the
road to a safe place well away from
the traffic. Avoid stopping on the center
divider of a highway. Park on a level
spot with firm ground.
2. Stop the engine and turn on your
emergency flashers.
3.Manual transmission:
Firmly set the parking brake and put
the transmission in reverse.
Multi−mode manual transmission:
Securely apply the parking brake and
turn the engine switch “ON”. After the
operation, shift the shift lever to “M(1)”,
“E(1)” or “R”.
4. Have everyone get out of the vehicle
onthesideawayfromtraffic.
5. Read the following instructions thor-
oughly.
CAUTION
When jacking, be sure to observe the
following to help reduce the possibil-
ity of death or serious injury:
DFollow jacking instructions.
DDo not put any part of your body
under a vehicle supported by a
jack. Otherwise, death or serious
injury may occur.
DDo not start or run the engine while
your vehicle is supported by the
jack.
DStop the vehicle on a level firm
ground, firmly set the parking brake
and put the transmission in reverse.
Block the wheel diagonally opposite
to the one being changed if neces-
sary.
AYGO WE 99E37E11 02.18
If you have a flat tire—

IN CASE OF AN EMERGENCY237
Proper equipment will help ensure that
your vehicle is not damaged while being
towed. Commercial operators are generally
aware of the state/provincial and local
laws pertaining to towing.
Your vehicle could be damaged if it is
towed incorrectly. Although most operators
know the correct procedure, it is possible
to make a mistake. To avoid damage to
your vehicle, make sure the following pre-
cautions are observed. If necessary, show
this page to the tow truck driver.
TOWING PRECAUTIONS:
Use a safety chain system for all towing,
and abide by the state/provincial and local
laws. The wheels and axle on the ground
must be in good condition. If they are
damaged, use a towing dolly.
(a) Towing with wheel lift type truck
From front—Release the parking brake.
NOTICE
When lifting wheels, take care to en-
sure adequate ground clearance for
towing at the opposite end of the
raised vehicle. Otherwise, the bumper
and/or underbody of the towed vehicle
may be damaged during towing.
From rear—
DManual transmission:
We recommend using a towing dolly
under the front wheels. If you do not
use a towing dolly, place the engine
switch in the “ACC” position and put
the transmission in neutral.
DMulti−mode manual transmission:
We recommend using a towing dolly.
The towing dolly is set up under the
front wheels. If you do not use the
towing dolly (or if it is not available),
first turn the engine switch “ON” and
shift the shift lever to “N”. Make sure
that the gear is in the “N” position by
checking the gear position indicator.
Multi−mode manual transmission only:
After shifting the shift lever to the “N”
position, always make sure that the gear
is actually disengaged and is in neutral by
pushing the vehicle by hand or other
means. In case the gear can not be put
in neutral, turn the engine switch from the
“OFF” to “ON” position, and operate the
shift lever once from “N” to “E”, “M” or
“R”, then back to “N” again. Then turn the
engine switch from the “ON” to “OFF”
position. These procedures may help put
the gear in neutral. If the gear still can
not be put in neutral, you can not tow
without a towing dolly.
NOTICE
Do not tow with the key removed or
in the “LOCK” position when towing
from the rear without a towing dolly.
The steering lock mechanism is not
strong enough to hold the front
wheels straight.
(b) Using a flat bed truck
AYGO WE 99E37E11 02.18

242IN CASE OF AN EMERGENCY
MS41065
5. Tighten the front towing eyelet securely
using a wheel bolt wrench.
CAUTION
When installing theeyelet on the ve-
hicle, be sure to tighten the eyelet
securely. If the eyelet is loose, it may
come off when being towed resulting
in death or serious injury.
MS41053b
In case the shift lever lock is not re-
leased and the shift lever cannot be
moved even though the engine switch
is turned to the “ON” position, follow
the procedures below:
1. Turn the engine switch to the
“LOCK” or “ACC” position. Make
sure the parking brake is applied.
2. To push the link, insert a flathead
screwdriver to the hole. The lever
can be operated while the link is
being pushed.
3. Shift into the “N” position.
4. While fully depressing the brake ped-
al, turn the engine switch “ON”.
5. Check that the gear position indica-
tor lamp indicates “N” or check the
gear position is neutral by the fol-
lowing way:
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If you cannot shift
multi−mode manual
transmission shift lever

IN CASE OF AN EMERGENCY243
DAfter shifting the shift lever to the “N”
position, always make sure that the
gear is actually disengaged and is in
neutral by pushing the vehicle by hand
or other means. In case the gear can
not be put in neutral, turn the engine
switch from the “OFF” to “ON” position,
and operate the shift lever once from
“N” to “E” or “R”, then back to “N”
again. Then turn the engine switch
from the “ON” to “OFF” position. These
procedures may help put the gear in
neutral. If the gear still can not be put
in neutral, you can not tow with cables
or chains.
6. Start the engine while depressing the
brake pedal.
Be sure to have the system checked any
authorized Toyota dealer or repairer, or
another duly qualified and equipped pro-
fessional, as soon as possible.
If you lose your keys
You can purchase a new key at any
authorized Toyota dealer or repairer, or
another duly qualified and equipped
professional, if you can give them the
key number and key.
Even if you lose only one key, contact
any authorized Toyota dealer or repairer,
or another duly qualified and equipped
professional, to make a new key. If you
lose all your keys, you cannot make new
keys; the whole engine immobilizersystem
must be replaced.
See the suggestion given in “Keys” on
page 10 in Section 1−2.
Wireless remote control key—
You can use the wireless remote control
system with the new key. Contact any
authorized Toyota dealer or repairer, or
another duly qualified and equipped pro-
fessional, for detailed information.
If your keys are locked in the vehicle and
you cannot get a duplicate, many autho-
rized Toyota dealers, repairers or other
duly qualified and equipped professionals
can still open the doors for you, using
their special tools. If you must break a
window to get in, we suggest breaking the
smallest side window because it is the
least expensive to replace. Be extremely
cautious to avoid cuts from the glass.
AYGO WE 99E37E11 02.18

MAINTENANCE REQUIREMENTS255
Note, however, that some maintenance
tasks require special tools and skills.
These are best performed by qualified
technicians. Even if you’re an experienced
do−it−yourself mechanic, we recommend
that repairs and maintenance be
conducted by an authorized Toyota dealer
or repairer, or another duly qualified and
equipped professional. Any authorized
Toyota dealer or repairer will keep a
record of maintenance, which could be
useful should you ever require Warranty
Service. Should you choose to select a
qualified and equipped professional other
than an authorized Toyota repairer to
service or maintain your vehicle, we
recommend that you request that a record
of maintenance be kept.
The service interval for scheduled main-
tenance is determined by the odometer
reading or time interval, whichever
comes first, shown in the schedule.
Rubber hoses (for cooling and heater
system, brake system and fuel system)
should be inspected by a qualified tech-
nician in accordance with the Toyota
maintenance schedule.
They are particularly important mainte-
nance items. Have any deteriorated or
damaged hoses replaced immediately.
Note that rubber hoses will deteriorate
with age, resulting in swelling, chafing or
cracks.Be on the alert for changes in perfor-
mance, sounds, and visual tip−offs that
indicate service is needed. Some impor-
tant clues are as follows:
DEngine missing, stumbling, or pinging
DAppreciable loss of power
DStrange engine noises
DA leak under the vehicle (however, wa-
ter dripping from the air conditioning
after use is normal.)
DChange in exhaust sound (This may
indicate a dangerous carbon monoxide
leak. Drive with the windows open and
have the exhaustsystem checked im-
mediately.)
DFlat−looking tire; excessive tire squeal
when cornering; uneven tire wear
DVehicle pulls to one side when driving
straight on a level road
DStrange noises related to suspension
movement
DLoss of brake effectiveness; spongy
feeling brake or clutch pedal; pedal al-
most touches floor; vehicle pulls to one
side when braking
DEngine coolant temperature continually
higher than normal
If you notice any of these cues, take your
vehicle to any authorized Toyota dealer or
repairer, or another duly qualified and
equipped professional, as soon as pos-
sible. It probably needs adjustment or re-
pair.
CAUTION
Do not continue driving with the ve-
hicle unchecked. It could result in se-
rious vehicle damage and possibly
personal injury.
AYGO WE 99E37E11 02.18
Does your vehicle need
repairing?

DO−IT−YOURSELF MAINTENANCE: Introduction261
NOTICE
zRemember that battery and ignition
cables carry high currents or volt-
ages. Be careful not to accidentally
cause a short circuit.
zAdd only “Toyota Super Long Life
Coolant” or similar high quality eth-
ylene glycol based non−silicate,
non−amine, non−nitrite, and non−bo-
rate coolant with long−life hybrid
organic acid technology to fill the
radiator. “Toyota Super Long Life
Coolant” is a mixture of 50% cool-
ant and 50% deionized water.
zIf you spill some of the coolant, be
sure to wash it off with water to
prevent it from damaging any parts
or paint.
zDo not allow dirt or anything else
to fall through the spark plug holes.
zDo not pry the outer electrode of a
spark plug against the center elec-
trode.
zUse only spark plugs of the speci-
fied type. Using other types will
cause engine damage, loss of per-
formance or radio noise.
zIf you spill brake fluid, be sure to
wash it off with water to prevent it
from damaging any parts or paint.
zDo not drive with the air cleaner
filter removed, or excessive engine
wear could result. Also backfiring
could cause a fire in the engine
compartment.
zBe careful not to scratch the glass
surfaces with the wiper frames.
zWhen closing the engine hood,
check to see that you have not for-
gotten any tools, rags, etc.
Positioning a floor jack
MS71009a
Do not jack up
Do not jack upDo not jack up
Do not jack up
Front of
vehicle
When jacking up your vehicle with the
floor jack, position the jack correctly as
shown in the illustrations.
Jack position
................
Front—Front suspension member
Rear—Transport hook
Support position and Cantilever−type
jack position
.................
CAUTION
When jacking, be sure to observe the
following to help reduce the possibil-
ity of personal injury:
DWhen using a floor jack, follow the
instructions of the manual provided
with the jack.
DDo not put any part of your body
under the vehicle supported by the
floor jack. Always use floor jack
and/or automotive jack stand on a
solid, flat, level surface. Personal
injury may occur.
DDo not start or run the engine while
your vehicle is supported by the
floor jack.
AYGO WE 99E37E1102.18