TOYOTA COROLLA 2019 Owners Manual (in English)

4217-2. Maintenance
7
Maintenance and care
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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.
● When the battery is disc onnected or discharged
Readiness codes that are set duri ng ordinary driving are erased.
Also, depending on your driving habits, the readiness codes may
not be completely set.
● When the fuel tan k cap is loose
The malfunction indicator lamp comes on indicating a temporary
malfunction and your vehicle m ay not pass the I/M test.
The error code in th e OBD system will not be cleared unless the vehi-
cle is driven 40 or more times.
Contact your Toyota dea ler to prepare the vehicle for re-testin g.
Emission inspection and maintenance (I/M)
programs
Some states have vehicle emission inspection programs which
include OBD (On Board Diagnos tics) checks. The OBD system
monitors the operation of t he emission control system.
If the malfunction indicator lamp comes on
Your vehicle may not pass the I/M test in the following situations:
When the malfunction indicator l amp still remains on after sev-
eral driving trips
If your vehicle does not pass the I/M test

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7-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
Battery condition ( P. 437)
•Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp bolts)
Brake fluid level ( P. 435)
• 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. 433)
• “Toyota Super Long Life Coolant”
or a similar high quality ethylene
glycol-based non-silicate, non-
amine, non-nitrite and non-borate
coolant with long-life hybrid
organic acid technology
For the U.S.A.:
“Toyota Super Long Life Coolant”
is pre-mixed with 50% coolant and
50% deionized water.
For 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. 430)
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses (P. 458)• Fuse with same amperage rating
as original

4237-3. Do-it-yourself maintenance
7
Maintenance and care
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Light bulbs(P. 461)
• Bulb with same number and watt-
age rating as original
• Phillips-head screwdriver
• Flathead screwdriver
• Wrench
Radiator/condenser (P. 435)
Tire inflation pressure ( P. 448)• Tire pressure gauge
• Compressed air source
Washer fluid (P. 439)
• Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding
water or washer fluid)
WARNING
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 eng ine
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 r ags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or t he 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

4247-3. Do-it-yourself maintenance
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WARNING
■When working near the electric cooling fan or radiator grille
Vehicles without a smart key system: Be sure the engine switch is off. With
the engine switch in the “ON” position, the electric cooling fan may automat-
ically start to run if the air conditioning is on and/or the co olant temperature
is high. ( P. 435)
Vehicles with a smart key system: Be sure the engine switch is off. With the
engine switch in IGNITION ON mode, the electric cooling fan may automat-
ically start to run if the air conditioning is on and/or the co olant temperature
is high. ( P. 435)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, flui d 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.

4257-3. Do-it-yourself maintenance
7
Maintenance and care
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Pull the hood lock release lever.
The hood will pop up slightly.
Pull up the auxiliary catch lever
and lift the hood.
Hold the hood open by inserting
the support rod into the slot.
Hood
Release the lock from the inside of the vehicle to open the hood.
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4267-3. Do-it-yourself maintenance
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WARNING
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly, it may open while the vehic le is in motion
and cause an accident, which may result in death or serious inj ury.
■ After installing the sup port rod into the slot
Make sure the rod supports the hood securely preventing it from falling
down onto your head or body.
NOTICE
■ When closing the hood
Be sure to return the support rod to its clip before closing th e hood. Closing
the hood with the support rod not clipped could cause the hood to bend.

4277-3. Do-it-yourself maintenance
7
Maintenance and care
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◆Front
◆RearTake out the jack attachment.
Positioning a floor jack
When using a floor jack, follow the instructions in the manual
provided with the jack and pe rform the operation safely.
When raising your vehicle with a floor jack, position the jack cor-
rectly. Improper placement may damage your vehicle or cause
injury.
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4287-3. Do-it-yourself maintenance
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Set the jack attachment on
the floor jack and position the
jack.
Before raising the vehicle,
make sure that the floor jack
is positioned so that the pro-
trusion on the jack attach-
ment fits securely into the
hole of the jack point.2
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WARNING
Make sure to set the protrusion on the
jack attachment properly into the hole of
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.

4297-3. Do-it-yourself maintenance
7
Maintenance and care
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Engine compartment
Washer fluid tank (P. 439)
Engine oil filler cap ( P. 431)
Engine oil level dipstick ( P. 430)
Brake fluid reservoir ( P. 435) Battery
( P. 437)
Fuse box ( P. 458)
Electric cooling fan
Engine coolant reservoir ( P. 433)
Condenser ( P. 435)
Radiator ( P. 435)1
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4307-3. Do-it-yourself maintenance
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With 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 dra in
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 th e
oil level.
Low
Normal
Excessive
The shape of the dipstick
may differ depending on the
type of vehicle or engine.
Wipe the dipstick and reinsert it fully.
Engine oil
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