2009 TOYOTA YARIS SEDAN Discharged battery

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1-6. Theft deterrent system
1
Before driving
n
Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure
of the following.
lNobody is in the vehicle.
l The windows are closed before the alarm is set.
l No valuables or other personal items are left in the vehicle.
n Triggering of the alarm
The alarm may be triggered in the following situations.
(Stopping the alarm deactivates the system.)
lA person inside the vehicle opens a door, the trunk or hood.
l The battery is recharged or replaced when the vehicle is locked.
n When the battery is disconnected
Be sure to deactivate the alarm system.
If the battery is discharged before deactivating the alarm system, the alarm
may be triggered when the battery is reconnected.

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3-3. Using the interior lights
Interior lights list
nIlluminated entry system
When the interior light switch is in the DOOR position, the interior light auto-
matically turns on/off according to whether the doors are locked/unlocked
and whether the doors are open/closed and the engine switch position.
n To prevent the battery from being discharged
If the interior light remains on when the door is not fully closed and the inte-
rior light switch is in the DOOR position, the light will go off automatically
after 20 minutes.
n Customization that can be co nfigured at Toyota dealer
Settings (e.g. The time elapsed before lights turn off) can be changed.
(Customizable features →P. 354)
Interior light (→P. 193)
Personal lights ( →P. 193)

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3-5. Other interior features
3
Interior features
Power outlet (if equipped)
nThe power outlet can be used when
The engine switch is in the ACC or ON position.
NOTICE
nTo avoid damaging the power outlet
Close the power outlet lid when the power outlet is not in use.
Foreign objects or liquids that enter the power outlet may cause a short cir-
cuit.
n To prevent the fuse from being blown
Do not use an accessory that uses more than 12 V 10 A.
n To prevent the battery from being discharged
Do not use the power outlet longer than necessary when the engine is not\
running.
The power outlet can be used for 12 V accessories that run on less
than 10 A.

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4-2. Maintenance
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which
include OBD (On Board Diagnostics) checks. The OBD system moni-
tors the operation of th e emission control system.
nIf the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere
in the emission control system. Your vehicle may not pass the I/
M test and may need to be repaired. Contact your Toyota dealer
to service the vehicle.
n Your vehicle may not pass the I/M test:
lWhen the battery is disconnected or discharged
Readiness codes that are se t during ordinary driving are
erased.
Also, depending on your driving habits, the readiness codes
may not be completely set.
l When the fuel tank cap is loose
The malfunction indicator lamp comes on as a temporary mal-
function and your vehicle may not pass the I/M test.
n When the malfunction indicator lamp goes off after several
driving trips
The error code in the OBD system will not be cleared unless the
vehicle is driven 40 or more times.
n If your vehicle does not pass the I/M test
Contact your Toyota dealer to prepare the vehicle for re-testing.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Key batter y
Replace the battery with a new one if it is discharged.
nYou will need the following items:
lFlathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with plastic tape.)
l Lithium battery CR2016
n Replacing the battery
Remove the cover.
Remove the module.
Remove the battery cover and
the depleted battery.
Insert a new battery with the
“+” terminal facing up.

258 4-3. Do-it-yourself maintenance
nIf the key battery is discharged
The following symptoms may occur.
lThe wireless remote control will not function properly.
l The operational range is reduced.
n Use a CR2016 lithium battery
lBatteries can be purchased at your Toyota dealer, jewelers, or camera
stores.
l Replace only with the same or equivalent type recommended by your
Toyota dealer.
l Dispose of used batteries according to the local laws.
CAUTION
nRemoved battery and other parts
Keep away from children.
These parts are small and if swallowed by a child they can cause choking.
NOTICE
nFor normal operation after replacing the battery
Observe the following precautions to prevent accidents.
lAlways work with dry hands.
Moisture may cause the battery to rust.
l Do not touch or move any other components inside the remote control.
l Do not bend either of the battery terminals.

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5-2. Steps to take in an emergency
If the engine will not start
If the engine still does not start after following the correct starting
procedure ( →P. 106) or releasing the steering lock (→P. 106), confirm
the following points.
n The engine will not start even when the starter motor oper-
ates normally.
One of the following may be the cause of the problem.
lThere may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
l The engine may be flooded.
Try to restart the engine once more following correct starting
procedures.
l Vehicles with engine immobilizer system: There may be a
malfunction in the engine immobilizer system.
( → P. 5 8 )
n The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at
a low volume.
One of the following may be the cause of the problem.
lThe battery may be discharged. ( →P. 318)
l The battery terminal connec tions may be loose or corroded.

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When trouble arises
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5-2. Steps to take in an emergency
n
The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem.
l One or both of the battery terminals may be disconnected.
l The battery may be discharged. ( →P. 318)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.