Page 337 of 512

3376-2. Maintenance
6
Maintenance and care
AVALON_HV_U (OM41451U)
■Repair and replacement
It is recommended that genuine Toyota parts be used for repairs to ensure
performance of each system. If non-Toyota parts are used in replacement or if
a repair shop other than a Toyota dealer performs repairs, confirm the war-
ranty coverage.
■ Reset the maintenance data
After the required maintenance is performed according to the maintenance
schedule, please reset the maintenance data.
To reset the data, follow the procedure described below:
Turn the power switch off with the trip meter A reading shown. ( P. 93)
While pressing the trip meter reset knob ( P. 93), turn the power switch to
ON mode
Continue to press and hold the knob 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 cove rage. 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 death or serious injury.
■ Handling of the 12-volt 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.
● 12-volt battery posts, terminals and related accessories contain lead and
lead compounds which are known to cause brain damage. Wash your
hands after handling. ( P. 358)
1
2
3
Page 338 of 512
3386-2. Maintenance
AVALON_HV_U (OM41451U)
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. 356)
Engine/power control unit coolant
Is the engine/power control unit
coolant at the correct level?
(P. 353)
Engine oilIs the engine oil at the correct level?
(P. 350)
Exhaust systemThere should not be any fumes or
strange sounds.
Radiator/condenser
The radiator and condenser should
be free from foreign objects.
(P. 355)
Washer fluidIs there sufficient washer fluid?
(P. 357)
Luggage compartment
ItemsCheck points
12-volt batteryCheck the connections. ( P. 358)
Page 339 of 512
3396-2. Maintenance
6
Maintenance and care
AVALON_HV_U (OM41451U)
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 theshift 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. 459)
• Does the brake pedal have the correct amount of free play? (P. 459)
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.
Page 340 of 512
3406-2. Maintenance
AVALON_HV_U (OM41451U)
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
Page 341 of 512
3416-2. Maintenance
6
Maintenance and care
AVALON_HV_U (OM41451U)
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 damaged 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 showany signs of cracking, splitting,
wear, contamination or deforma-
tion.
• The wiper blades should clear the windshield without streaking or
skipping.
CAUTION
■If the hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ventilation
before performing maintenance checks.
Page 342 of 512

3426-2. Maintenance
AVALON_HV_U (OM41451U)
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
Page 343 of 512

343
6
Maintenance and care
AVALON_HV_U (OM41451U)
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 condition (P. 358)
• Grease
• Conventional wrench
(for terminal clamp bolts)
Brake fluid level ( P. 356)
• 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. 353)
• “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 cool- ant)
Engine oil level ( P. 350)
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Page 344 of 512
3446-3. Do-it-yourself maintenance
AVALON_HV_U (OM41451U)
Fuses(P. 379)• Fuse with same amperage rating
as original
Light bulbs (P. 390)
• Bulb with same number and watt-
age rating as original
• Phillips-head screwdriver
• Flathead screwdriver
• Wrench
Radiator and condenser ( P. 355)
Tire inflation pressure ( P. 369)• Tire pressure gauge
• Compressed air source
Washer fluid(P. 357)
• Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)
ItemsParts and tools