2016 TOYOTA AVALON HYBRID maintenance

3326-2. Maintenance
AVALON_HV_U (01999-07002)
General maintenance
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/Sched-
uled 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.
Engine compartment
ItemsCheck points
Brake fluidIs the brake fluid at the correct
level? ( P. 348)
Engine/power control unit coolant
Is the engine/power control unit
coolant at the correct level?
(P. 345)
Engine oilIs the engine oil at the correct level?
(P. 342)
Exhaust systemThere should not be any fumes or
strange sounds.
Radiator/condenser
The radiator and condenser should
be free from foreign objects.
(P. 347)
Washer fluidIs there sufficient washer fluid?
(P. 349)
Luggage compartment
ItemsCheck points
12-volt batteryCheck the connections. ( P. 350)

3336-2. Maintenance
6
Maintenance and care
AVALON_HV_U (01999-07002)
Vehicle interior
ItemsCheck points
Accelerator pedal
• The accelerator pedal shouldmove smoothly (without uneven
pedal effort or catching).
Hybrid transmission “Park” mecha-
nism• When parked on a slope and the
shift lever is in P, is the vehicle
securely stopped?
Brake pedal
• Does the brake pedal movesmoothly?
• Does the brake pedal have appro-
priate clearance from the floor? (P. 443)
• Does the brake pedal have the
correct amount of free play? (P. 443)
Brakes
• The vehicle should not pull to one
side when the brakes are applied.
• The brakes should work effec-
tively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor when the
brakes are applied.

3346-2. Maintenance
AVALON_HV_U (01999-07002)
Head restraints• Do the head restraints movesmoothly and lock securely?
Indicators/buzzers• Do the indicators and buzzersfunction properly?
Lights• Do all the lights come on?
Parking brake
• Moves smoothly?
• When parked on a slope and theparking brake is on, is the vehicle
securely stopped?
Seat belts
• Do the seat belts operatesmoothly?
• The seat belts should not be dam- aged.
Seats• Do the seat controls operate prop-erly?
Steering wheel
• Does the steering wheel rotatesmoothly?
• Does the steering wheel have the
correct amount of free play?
• There should not be any strange sounds coming from the steering
wheel.
ItemsCheck points

3356-2. Maintenance
6
Maintenance and care
AVALON_HV_U (01999-07002)
Vehicle exterior
ItemsCheck points
Doors/trunk• Do the doors/trunk operatesmoothly?
Engine hood• Does the engine hood lock systemwork properly?
Fluid leaks
• There should not be any signs offluid leakage after the vehicle has
been parked.
Tires
• 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.
Windshield wipers
• The wiper blades should not show
any signs of cracking, splitting,
wear, contamination or deforma-
tion.
• The wiper blades should clear the windshield without streaking or
skipping.
WARNING
■If the hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ventilation
before performing maintenance checks.

3366-2. Maintenance
AVALON_HV_U (01999-07002)
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 12-volt battery is disconnected 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 tank cap is loose
The malfunction indicator lamp comes on indicating a temporary
malfunction and your vehicle may not pass the I/M test.
The error code in the OBD system will not be cleared unless the vehi-
cle is driven 40 or more times.
Contact your Toyota dealer to prepare the vehicle for re-testing.
Emission inspection an d 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 the 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 lamp still remains on after sev-
eral driving trips
If your vehicle does not pass the I/M test

337
6
Maintenance and care
AVALON_HV_U (01999-07002)
6-3. 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
12-volt battery condi-
tion (P. 350)• Grease
• Conventional wrench
(for terminal clamp bolts)
Brake fluid level (P. 348)
• FMVSS No.116 DOT 3 or SAE J1703 brake
fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/power control
unit coolant level (P. 345)
• “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.
“Toyota Super Long Life Coolant” is pre-mixed
with 50% coolant and 50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
(P. 342)• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( P. 374)• Fuse with same amperage rating as original
Light bulbs (P. 377)
• Bulb with same number and wattage rating as
original
• Phillips-head screwdriver
• Flathead screwdriver
• Wrench
Radiator and con-
denser ( P. 347)
Tire inflation pressure
( P. 364)• Tire pressure gauge
• Compressed air source
Washer fluid
(P. 349)
• Water or washer fluid containing antifreeze (for
winter use)
• Funnel (used only for adding water or washer fluid)

3386-3. Do-it-yourself maintenance
AVALON_HV_U (01999-07002)
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
●Make sure that the “READY” indicator is off.
● Keep hands, clothing and tools away from the moving fan and engine
drive belt.
● Be careful not to touch the engine, power control unit, 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. Fuel fumes
are flammable.
■ When working near the electric cooling fans or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, t he electric cooling fans may automati-
cally start to run if the air conditioning is on and/or the coolant temperature
is high. ( P. 347)
■ 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.

3396-3. Do-it-yourself maintenance
6
Maintenance and care
AVALON_HV_U (01999-07002)
Pull the hood lock release lever.
The hood will pop up slightly.
Pull up the auxiliary catch lever
and lift the hood.
Hood
Release the lock from the inside of the vehicle to open the hood.
1
2
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 vehicle is in motion
and cause an accident, which may result in death or serious injury.