battery TOYOTA YARIS 2017 Workshop Manual

4878-2. Steps to take in an emergency
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When trouble arises
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Touch the Toyota emblem side
of the electronic key to the
engine switch.
The engine switch will turn to IGNI-
TION ON mode.
When the smart entry & start sys-
tem is deactivated in customization
setting, the engine switch will turn
to ACCESSORY mode.
Firmly depress the brake pedal (Multidrive) or clutch pedal (manual
transmission) and check that (green) turns on.
Press the engine switch.
In the event that the engine still cannot be started, contact any autho-
rized Toyota dealer or repairer, or another duly qualified and equipped
professional.
■ Stopping the engine
Shift the shift lever to P (Multidrive) or N (manual transmission) and press the
engine switch as you normally do when stopping the engine.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 402)
■ Changing engine switch modes
Release the brake pedal (Multidrive) or clutch pedal (manual transmission)
and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is
pressed. ( P. 186)
■ When the electronic key does not work properly
Make sure that the smart entry & start system has not been deactivated in the
customization setting. If it is off, turn the function on.
(Customizable features: P. 524)
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4888-2. Steps to take in an emergency
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If the vehicle batter y is discharged
If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your vehicle by following the
steps below.
Open the hood. ( P. 362)
Connect the jumper cables according to the following procedure:
1KR-FE engine
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can also call any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
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4898-2. Steps to take in an emergency
8
When trouble arises
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Connect a positive jumper cable clamp to the positive (+) battery
terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
positive (+) battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery termi-
nal on the second vehicle.
Connect the clamp at the other end of the negative cable to a
solid, stationary, unpainted metallic point away from the battery
and any moving parts, as shown in the illustration.
1NR-FE engine
Connect a positive jumper cable clamp to the positive (+) battery
terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
positive (+) battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery termi-
nal on the second vehicle.
Connect the clamp at the other end of the negative cable to a
solid, stationary, unpainted metallic point away from the battery
and any moving parts, as shown in the illustration.
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4908-2. Steps to take in an emergency
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1ND-TV engine
Connect a positive jumper cable clamp to the positive (+) battery
terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
positive (+) battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery termi-
nal on the second vehicle.
Connect the clamp at the other end of the negative cable to a
solid, stationary, unpainted metallic point away from the battery
and any moving parts, as shown in the illustration.
Start the engine of the second vehicle. Increase the engine speed
slightly and maintain it at that level for approximately 5 minutes to
recharge the battery of your vehicle.
Vehicles with a smart entry & start system: Open and close any of
the doors of your vehicle with the engine switch off.
Maintain the engine speed of the second vehicle and turn the
engine switch to “ON” position (vehicles without a smart entry &
start system) or IGNITION ON mode (vehicles with a smart entry &
start system), then start the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper cables in
the exact reverse order from which they were connected.
Once the engine starts, have the vehicle inspected at any authorized
Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional as soon as possible.
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4918-2. Steps to take in an emergency
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When trouble arises
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■Starting the engine when the battery is discharged (vehicles with a
Multidrive)
The engine cannot be started by push-starting.
■ To prevent battery discharge
● Turn off the headlights and the audio system while the engine is off.
● Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic.
■ Charging the battery
The electricity stored in the battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of cer-
tain electrical appliances. If the vehicle is left for a long time, the battery may
discharge, and the engine may be unable to start. (The battery recharges
automatically during driving.)
■ Precautions when the battery is discharged (vehicles with a smart entry
& start system)
● In some cases, it may not be possible to unlock the doors using the smart
entry & start system when the battery is discharged. Use the wireless
remote control or the mechanical key to lock or unlock the doors.
● The engine may not start on the first attempt after the battery has recharged
but will start normally after the second attempt. This is not a malfunction.
● The engine switch mode is memorized by the vehicle. When the battery is
reconnected, the system will return to the mode it was in before the battery
was discharged. Before disconnecting the battery, turn the engine switch off.
If you are unsure what mode the engine switch was in before the battery dis-
charged, be especially careful when reconnecting the battery.

4928-2. Steps to take in an emergency
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WARNING
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flam-
mable gas that may be emitted from the battery:
● Make sure each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with anything other than the intended ter-
minal.
● Do not allow the + and - clamps of the jumper cables to come into contact
with each other.
● Do not smoke, use matches, cigarette lighters or allow open flame near
the battery.
■ Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while
related parts contain lead and lead compounds. Observe the following pre-
cautions when handling the battery:
● When working with the battery, always wear safety glasses and take care
not to allow any battery fluids (acid) to come into contact with skin, clothing
or the vehicle body.
● Do not lean over the battery.
● In the event that battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention
can be received.
● Always wash your hands after handling the battery support, terminals, and
other battery-related parts.
● Do not allow children near the battery.
■ To prevent damage to the vehicle
Do not pull- or push-start the vehicle as the three-way catalytic converter
(gasoline engine) or catalytic conv erter (diesel engine) may overheat and
become a fire hazard.
NOTICE
■ When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fans or engine drive belt.

5159-1. Specifications
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Vehicle specifications
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*: The fluid capacity is the reference quantity. If replacement is necessary,
contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
Ignition system (gasoline engine only)
Spark plug
MakeDENSO SC16HR11
Gap1.1 mm (0.043 in.)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
Battery
Specific gravity reading
at 20 C (68F):
1.250 — 1.290 Fully charged
1.160 — 1.200 Half charged
1.060 — 1.100 Discharged
Charging rates
Quick charge
Slow charge
15 A max.
5 A max.
Multidrive
Fluid capacity*6.4 L (6.8 qt., 5.6 Imp.qt.)
Fluid typeToyota Genuine CVT Fluid FE
NOTICE
■ Multidrive fluid type
Using Multidrive fluid other than “T oyota Genuine CVT Fluid FE” may cause
deterioration in shift quality, locking up of your transmission accompanied
by vibration, and ultimately damage the transmission of your vehicle.

5279-2. Customization
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Vehicle specifications
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WARNING
■During customization
As the engine needs to be running during customization, ensure that the
vehicle is parked in a place with adequate ventilation. In a closed area such
as a garage, exhaust gases including harmful carbon monoxide (CO) may
collect and enter the vehicle. This may lead to death or a serious health
hazard.
NOTICE
■ During customization
To prevent battery discharge, ensure that the engine is running while cus-
tomizing features.

5289-3. Items to initialize
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Items to initialize
*1: Diesel engine only
*2: If equipped
The following item must be initialized for normal system opera-
tion in cases such as after the battery is reconnected, or mainte-
nance is performed on the vehicle.
ItemWhen to initializeReference
Engine oil mainte-
nance data*1After changing engine oil P. 372
Tire pressure
warning system*2
• When rotating the tires on vehicles
with differing front and rear tire
inflation pressures
• When changing tire pressure (such
as when changing traveling speed)
• When changing the tire size
P. 383

530What to do if... (Troubleshooting)
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What to do if... (Troubleshooting)
●If you lose your keys, new genuine keys can be made by any authorized
Toyota dealer or repairer, or another duly qualified and equipped profes-
sional. ( P. 105)
●If you lose your electronic keys, the risk of vehicle theft increases signifi-
cantly. Contact any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional immediately. ( P. 113)
●Is the key battery weak or depleted? (P. 402)
●Vehicles with a smart entry & start system:
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 186)
●Vehicles with a smart entry & start system:
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of the radio
wave. ( P. 105, 130)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. ( P. 11 9 )
If you have a problem, check the following before contacting any
authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened