2014 TOYOTA PRIUS PLUG-IN engine

436
4-2. Maintenance
PRIUS PHV_OM_OM47856U_(U)
General maintenance
Engine compartment
ItemsCheck points
Brake fluidIs the brake fluid at the correct
level? (→P. 4 7 0 )
Engine/power control unit coolant
Is the engine/power control unit
coolant at the correct level?
(→P. 4 6 7 )
Engine oilIs the engine oil at the correct
level? (→P. 4 6 3 )
Exhaust systemThere should not be any fumes or
strange sounds.
Radiator/condenser
The radiator and condenser
should be free from foreign
objects. (→P. 4 6 9 )
Washer fluidIs there sufficient washer fluid?
(→P. 4 7 2 )
Listed below are the general maintenance items that should be per-
formed at the intervals specified in the “Owner’s Warranty Informa-
tion 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.

439
4-2. Maintenance
PRIUS PHV_OM_OM47856U_(U)
4
Maintenance and care
Ve h i c l e e x t e r i o r
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.
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/rear window
wiper
•The wiper blades should not show
any signs of cracking, splitting,
wear, contamination or deforma-
tion.
•The wiper blades should clear the
windshield/rear window without
streaking or skipping.

442
PRIUS PHV_OM_OM47856U_(U)
4-3. 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. 4 7 4 )
•Grease
•Conventional wrench
(for terminal clamp bolts)
Brake fluid level (→P. 4 7 0 )
•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. 4 6 7 )
•“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 Cool-
ant” is pre-mixed with 50% cool-
ant and 50% deionized water.
For Canada:
“Toyota Super Long Life Cool-
ant” is pre-mixed with 55% cool-
ant and 45% deionized water.
•Funnel (used only for adding cool-
ant)

443
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47856U_(U)
4
Maintenance and care
ItemsParts and tools
Engine oil level (→P. 4 6 3 )
•“Toyota Genuine Motor Oil” or
equivalent
•Rag or paper towel
•Funnel (used only for adding
engine oil)
Fuses (→P. 4 9 8 )•Fuse with same amperage rating
as original
Light bulbs (→P. 5 1 0 )
•Bulb with same number and watt-
age rating as original
• Phillips-head screwdriver
•Flathead screwdriver
•Wrench
Radiator and condenser
(→P. 4 6 9 )⎯
Tire inflation pressure (→P. 4 8 9 )•Tire pressure gauge
•Compressed air source
Washer fluid (→P. 4 7 2 )
•Water or washer fluid containing
antifreeze (for winter use)
•Funnel (used only for adding
water or washer fluid)

444
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47856U_(U)
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
●Make sure that the indicator on the “POWER” switch and the “READY”
indicator are both off.
●Keep hands, clothing and tools away from the moving fan.
●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, the electric cooling fans may auto-
matically start to run if the air conditioning is on and/or the coolant tempera-
ture is high. (→P. 4 6 9 )
■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.

462
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47856U_(U)
Engine compar tment
■12-volt battery
→P. 4 7 4
Engine coolant reservoir
(→P. 4 6 7 )
Engine oil level dipstick
(→P. 4 6 3 )
Engine oil filler cap
(→P. 4 6 4 )
Power control unit coolant
reservoir (→P. 4 6 7 )
Brake fluid reservoir
(→P. 4 7 0 )
Fuse box (→P. 4 9 8 )
Radiator (→P. 4 6 9 )
Condenser (→P. 4 6 9 )
Electric cooling fans
Washer fluid tank (→P. 4 7 2 )

463
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47856U_(U)
4
Maintenance and care
Engine oil
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 off the hybrid system, 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.
Flat dipstick: Reinsert the dipstick fully.
Non-flat dipstick: Reinsert the
dipstick fully with its protruding
areas ( in the illustration)
pointing towards the engine.
Holding a rag under the end, pull the dipstick out and check
the oil level.
STEP 1
STEP 2
STEP 3
STEP 4
STEP 4
STEP 5

464
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47856U_(U)
Flat dipstick
Low
Normal
Excessive
The shape of the dipstick may dif-
fer depending on the type of vehi-
cle or engine.
Non-flat dipstick
Low
Normal
Excessive
The shape of the dipstick may dif-
fer depending on the type of vehi-
cle or engine.
Wipe the dipstick and reinsert it fully.
■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.
STEP 6