maintenance TOYOTA PRIUS 2022 Repair Manual

543
PRIUS_OM_OM47F01U_(U)
6-3. Do-it-yourself maintenance
6
Maintenance and care
Air conditioning filter
Turn the power switch off.
Open the glove box and slide
off the damper.
Push in each side of the glove
box to disconnect the claws,
and then slowly and fully open
the glove box while supporting
it.
With the glove box fully open,
slightly lift up the glove box and
pull toward the seat to detach
the bottom of the glove box.
Do not use excessive force if the
glove box does not detach when
lightly pulled. Instead, pull toward
the seat while slightly adjusting the
height of the glove box.
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Replacing the air conditioning filter
1
2
3
4

544
PRIUS_OM_OM47F01U_(U)
6-3. Do-it-yourself maintenance
Remove the filter cover.Unlock the filter cover.
Move the filter cover in the
direction of the arrow, and
then pull it out of the claws.
Remove the filter case.
Remove the air conditioning fil-
ter from the filter case and
replace it with a new one.
The “ UP” marks shown on the fil-
ter should be pointing up.
When installing, rever se the steps listed.
5
1
2
6
7
8

PRIUS_OM_OM47F01U_(U)
5456-3. Do-it-yourself maintenance
6
Maintenance and care
■Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, earl y replacement
may be required. (For scheduled maintenance information, please refer to the
“Scheduled Maintenance Guide” or “Owner’s Manual Supplement”.)
■ If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if nece ssary.
NOTICE
■ When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause da mage to the
system.
■ When removing the glove box
Always follow the specified procedure to remove the glove box ( P. 543). If
the glove box is removed without following the specified procedure, the
hinge of the glove box may become damaged.
■ To prevent damage to the filter cover
When moving the filter cover in the direc-
tion of arrow to release the fitting, pay
attention not to apply excessive force to
the claws. Otherwise, the claws may be
damaged.

546
PRIUS_OM_OM47F01U_(U)
6-3. Do-it-yourself maintenance
Cleaning the hybrid batter y (traction bat-
ter y) air intake vent and filter
Remove the dust from the air
intake vent with a vacuum
cleaner, etc.
Make sure to only use a vacuum to
suck out dust and clogs. Attempt-
ing to blow out dust and clogs
using an airgun, etc. may push it
into the air intake vent. ( P. 5 5 0 )
If dust and clogs cannot be completely removed with the air int ake
vent cover installed, remove t he cover and clean the filter.
Turn the power switch off.
Using a Phillips screwdriver,
remove the clip.
To prevent the fuel economy from being affected, visually
inspect the hybrid battery (traction battery) air intake vent p eri-
odically for dust and clogs. If i t is dusty or clogged or if “Mainte-
nance Required for Traction Battery Cooling Parts See Owner’s
Manual” is shown on the multi-inf ormation display, clean the air
intake vent using the following procedures:
Cleaning the air intake vent
If dust and clogs cannot be completely removed
1
2

PRIUS_OM_OM47F01U_(U)
5476-3. Do-it-yourself maintenance
6
Maintenance and care
Remove the air intake vent
cover.Pull the cover as shown in
the illustration to disengage
the 5 claws, starting from the
claw in the upper right cor-
ner.
Pull the cover toward the
front of the vehicle to remove
it.
Remove the air intake vent fil-
ter. Disengage the 1 claw as
shown in the illustration.
Disengage the 2 claws to
remove the filter from the
cover.
Remove the dust and clogs
from the filter using a vacuum
cleaner, etc.
Make sure to also remove the dust
and clogs from the inside of the air
intake vent cover.
3
1
2
4
1
2
5

548
PRIUS_OM_OM47F01U_(U)
6-3. Do-it-yourself maintenance
Reinstall the filter to the cover.
Engage the filter to the 2
claws as shown in the illus-
tration.
Engage the 1 claw to install
the filter.
Make sure that the filter is not
crooked or deformed when install-
ing it.
Install the air intake vent cover. Insert the tab of the cover as
shown in the illustration.
Push the cover to engage the
5 claws.
Install the clip.
6
1
2
7
1
2
8

PRIUS_OM_OM47F01U_(U)
5496-3. Do-it-yourself maintenance
6
Maintenance and care
■Scheduled maintenance of the air intake vent is necessary when
In some situations such as when the vehicle is used frequently or in heavy
traffic or dusty areas, the air intake vent may need to be cleaned more regu-
larly. For details, refer to the “Scheduled Maintenance Guide” or “Owner’s
Manual Supplement”.
■ Cleaning the air intake vent
●Dust in the air intake vent may interfere with the cooling of t he hybrid battery
(traction battery). If charging/discharging of the hybrid battery (traction bat-
tery) becomes limited, the distance that the vehicle can be driven using the
electric motor (traction motor) may be reduced and the fuel economy may
be reduced. Inspect and clean the air intake vent periodically.
● Improper handling of the air intake vent cover and filter may result in dam-
age to them. If you have any concerns about cleaning the filter, contact your
Toyota dealer.
■ If “Maintenance Required for Traction Battery Cooling Parts See Owner’s
Manual” is shown on the mu lti-information display
● If this warning message is shown on the multi-information displ ay, remove
the air intake vent cover and clean the filter. ( P. 546)
● After cleaning the air intake vent, start the hybrid system and check that the
warning message is no longer shown.
It may take approximately 20 minutes after the hybrid system is started until
the warning message disappears. If the warning message does not disap-
pear, have the vehicle inspected by your Toyota dealer.
WARNING
■When cleaning the air intake vent
● Do not use water or other liquids to clean the air intake vent. If water is
applied to the hybrid battery (traction battery) or other compo nents, a mal-
function or fire may occur.
● Before cleaning the air intake vent, make sure to turn the power switch off
to stop the hybrid system.
■ When removing the air intake vent cover
Do not touch the service plug located near the air intake vent. ( P. 92)

550
PRIUS_OM_OM47F01U_(U)
6-3. Do-it-yourself maintenance
NOTICE
■When cleaning the air intake vent
■ To prevent damage to the vehicle
● Do not allow water or foreign matter to enter the air intake ve nt when the
cover is removed.
● Carefully handle the removed filter so that it will not be damaged. If the fil-
ter is damaged, have it replaced with a new filter by your Toyota dealer.
● Make sure to reinstall the filter and cover to their original positions after
cleaning.
● Do not install anything to the air intake vent other than the exclusive filter
for this vehicle or use the vehicle without the filter installe d.
■ If “Maintenance Required for Traction Battery Cooling Parts See
Owner’s Manual” is shown on the multi-information display
If the vehicle is continuously driven with the warning message (indicating
that charging/discharging of the hybrid battery [traction batte ry] may
become limited) displayed, the hybrid battery (traction battery ) may mal-
function. If the warning message is shown, clean the air intake vent immedi-
ately.
When cleaning the air intake vent, make
sure to only use a vacuum to suck out
dust and clogs. If a compressed air blow
gun, etc. is used to blow out dust and
clogs, the dust or clogs may be pushed
into the air intake vent, which may affect
the performance of the hybrid battery
(traction battery) and cause a malfunc-
tion.

551
PRIUS_OM_OM47F01U_(U)
6-3. Do-it-yourself maintenance
6
Maintenance and care
Wiper insert replacement
■Windshield wiper blade removal and installation
While securely supporting
the wiper blade connection
by hand, press the lock knob
to release the lock, and then
pull out the wiper blade.
Align the wiper blade with the
connecting portion of the
wiper arm, and then slide it in
the direction it was removed
from.
After installing the wiper blade,
check that the connection is
locked.
■
Wiper insert replacement Pull the wiper insert until it
protrudes from the slit on the
back of the wiper blade.
When replacing the wiper inser t, perform the following proce-
dure to operate each wiper.
Windshield wipers
1
2
1

552
PRIUS_OM_OM47F01U_(U)
6-3. Do-it-yourself maintenance
Pull out the end of the wiper
insert from the slit, and then
pull out the rest of the wiper
insert.
When installing a new wiper
insert, perform the procedure
in reverse.
After installation, check that the
end of the wiper insert is
installed all the way to the end of
the cap.
Slide the rear window wiper
arm head cap.
Move the wiper blade until a
click sound can be heard and
the claw detaches, and then
remove the wiper blade from
the wiper arm.
2
3
Rear window wiper (if equipped)
1
2