Engine TOYOTA YARIS 2012 3.G Repair Manual

227
4-2. Maintenance
4
Maintenance and care
■
Reset the maintenance data (except Canada)
After the required maintenance is performed according to the maintenance
schedule, please reset the maintenance data.
To reset the data, follow the procedures described below:
Switch the display to the trip meter “A” when the engine is running.
(Page 133)
Turn the engine switch to the “LOCK” position.
While pressing the display change button ( Page 133), turn the
engine switch to the “ON” position (do not start the engine because
reset mode will be canceled). Continue to press and hold the button
until the trip meter displays “000000”.
■ Allow inspection and repairs to be performed by a Toyota dealer
● Toyota technicians are well-trained specialists and are kept up to date
with the latest service information. They are well informed about the
operations of all systems on your vehicle.
● Keep a copy of the repair order. It proves that the maintenance that has
been performed is under warranty coverage. If any problem should arise
while your vehicle is under warranty, your Toyota dealer will promptly
take care of it.
CAUTION
■If your vehicle is not properly maintained
Improper maintenance could result in serious damage to the vehicle and
possible serious injury or death.
■ Handling of the battery
●Engine exhaust, some of its constituents, and a wide variety of automobile
components contain or emit chemicals known to the State of California to
cause cancer and birth defects and other reproductive harm. Work in a
well ventilated area.
● Oils, fuels and fluids contained in vehicles as well as waste produced by
component wear contain or emit chemicals known to the State of Califor-
nia to cause cancer and birth defects or other reproductive harm. Avoid
exposure and wash any affected area immediately.
● Battery posts, terminals and related accessories contain lead and lead
compounds which are known to cause brain damage. Wash your hands
after handling. ( P. 249)

228
4-2. Maintenance
General maintenance
Engine compartment
ItemsCheck points
Battery Check the battery fluid and
connections. (
P. 249)
Brake fluid Is the brake fluid at the correct
level? (
P. 248)
Engine coolant Is the engine coolant at the
correct level? (
P. 246)
Engine oil Is the engine oil at the correct
level?
(P. 242)
Exhaust system There should not be any fumes or
strange sounds.
Radiator/condenser The radiator and condenser
should be free from foreign
objects.
(P. 247)
Washer fluid Is there sufficient washer fluid?
(P. 252)
Listed below are the general maintenance items that should be
performed at the intervals specified in the “Owner’s Warranty
Information Booklet” or “Owner’s Manual Supplement/Scheduled
Maintenance Guide”. It is recommended that any problem you notice
should be brought to the attention of your Toyota dealer or qualified
service shop for advice.

231
4-2. Maintenance
4
Maintenance and care
Vehicle exterior
ItemsCheck points
Doors • Do the doors operate smoothly?
Engine hood • Does the engine hood lock sys-
tem work properly?
Fluid leaks • There should not be any signs of
fluid leakage after the vehicle has
been parked.
Tire • Is the tire inflation pressure cor-
rect?
• The tires should not be dam- aged or excessively worn.
• Have the tires been rotated according to the maintenance
schedule?
• The wheel nuts should not be loose.
CAUTION
■ If the engine is running
Turn the engine off and ensure that there is adequate ventilation before per-
forming maintenance checks.

233
4
Maintenance and care
4-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the correct
procedures as given in these sections.
ItemsParts and tools
Battery condition ( P. 249)
•Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp bolts)
• Distilled water
Brake fluid level ( P. 248)
• FMVSS No.116 DOT 3 or SAE
J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant level ( P. 246)
• “Toyota Super Long Life Coolant”
or similar high quality ethylene
glycol-based non-silicate,
non-amine, non-nitrite and
non-borate coolant with long-life
hybrid organic acid technology.
Except Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 50% coolant
and 50% deionized water.
Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 55% coolant
and 45% deionized water.
• Funnel (used only for adding engine coolant)
Engine oil level P. 242)
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)

234 4-3. Do-it-yourself maintenance
CAUTION
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions:
■When working on the engine compartment:
● Keep hands, clothing and tools away from the moving fan and engine
drive belt.
● Be careful not to touch the engine, radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil and other fluids may also be hot.
● Do not leave anything that may burn easily, such as paper and rags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or the bat-
tery. Fuel and battery fumes are flammable.
● Be extremely cautious when working on the battery. It contains poisonous
and corrosive sulfuric acid.
ItemsParts and tools
Fuses (P. 274)• Fuse with same amperage rating
as original
Light bulbs (P. 286)
• Bulb with same number and watt-
age rating as original
• Phillips-head screwdriver
• Flathead screwdriver
• Wrench
Radiator and condenser (P. 247)
Tire inflation pressure ( P. 261)• Tire pressure gauge
• Compressed air source
Washer fluid (P. 252)
• Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)

235
4-3. Do-it-yourself maintenance
4
Maintenance and care
CAUTION
■
When working near the electric cooling fan or radiator grille
Be sure the engine switch is off.
With the engine switch on, the electric cooling fan may automatically start to
run if the air conditioning is on and/or the coolant temperature is high.
( P. 247)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air. Also, a backfire could cause a fire in the engine com-
partment.

239
4-3. Do-it-yourself maintenance
4
Maintenance and care
CAUTION
■
When raising your vehicle
Make sure to observe the following precautions to reduce the possibility of
death or serious injury:
●When using a floor jack, follow the instructions of the manual provided with
the jack.
● Do not use the jack that was supplied with your vehicle.
● Do not put any part of your body underneath the vehicle when it is sup-
ported only by the floor jack.
● Always use floor jack and/or automotive jack stands on a solid, flat, level
surface.
● Do not start the engine while the vehicle is supported by the floor jack.
● Stop the vehicle on level, firm ground, firmly set the parking brake and shift
the shift lever to P (vehicles with an automatic transmission) or R (vehicles
with a manual transmission).
● Make sure to set the floor jack properly at the jack point.
Raising the vehicle with an improperly positioned floor jack will damage
the vehicle and may cause the vehicle to fall off the floor jack.
●Lift up the vehicle using a floor jack
such as the one shown in the illustra-
tion.
●Do not jack the vehicle at the suspen-
sion. The suspension may be dam-
aged.Suspension
Front

241
4-3. Do-it-yourself maintenance
4
Maintenance and care
Engine compar tment
Fuse boxes (P. 274)
Engine oil filler cap ( P. 243)
Battery ( P. 249)
Brake fluid reservoir ( P. 248)
Radiator ( P. 247)Condenser ( P. 247)
Electric cooling fan
Engine coolant reservoir ( P. 246)
Engine oil level dipstick ( P. 242)
Washer fluid tank ( P. 252)

242 4-3. Do-it-yourself maintenance
Engine oilWith the engine at operating temperature and turned off, check the oil
level on the dipstick.
■ Checking the engine oil
Park the vehicle on level ground. After warming up the engine
and turning it off, wait more than 5 minutes for the oil to drain
back into the bottom of the engine.
Holding a rag under the end, pull
the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully.
Holding a rag under the end, pull the dipstick out and check
the oil level.
Wipe the dipstick and reinsert it fully. Low
Full

243
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Adding engine oil
If the oil level is below or near
the low level mark, add engine
oil of the same type as that
already in the engine.
Make sure to check the oil type and prepare the items needed before
adding oil.
Remove the oil filler cap by turning it counterclockwise.
Add engine oil slowly, checking the dipstick.
Install the oil filler cap by turning it clockwise.
Engine oil selection P. 346
Oil quantity
(Low  Full)1.6 qt. (1.5 L, 1.3 lmp.qt.)
Item
Clean funnel