Get Do-it-yourself maintenance -> Cleaning the hybrid battery (traction battery) air intake vent and filter Guide for Toyota Prius 4 Door Fourth Generation (2016-2022)

539

6-3. Do-it-yourself maintenance

Cleaning the hybrid battery (traction bat-

tery) air intake vent and filter

To prevent the fuel economy from being affected, visually

inspect the hybrid battery (traction battery) air intake vent peri-

odically for dust and clogs. If it is dusty or clogged or if “Mainte-

nance required for Traction battery cooling parts See owner’s

manual” is shown on the multi-information display, clean the air

intake vent using the following procedures:

Cleaning the air intake vent

Remove the dust from the air

intake vent with

cleaner, etc.

a

vacuum

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. 543)

6

If dust and clogs cannot be completely removed

If dust and clogs cannot be completely removed with the air intake

vent cover installed, remove the cover and clean the filter.

1

Turn the power switch off.

2

Using a Phillips screwdriver,

remove the clip.

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540

6-3. Do-it-yourself maintenance

3

Remove the air intake vent

cover.

1

Pull the cover as shown in

the illustration to disengage

the 5 claws, starting from the

claw in the upper right cor-

ner.

2

Pull the cover toward the

front of the vehicle to remove

it.

4

Remove the air intake vent fil-

ter.

1

Disengage the 1 claw as

shown in the illustration.

2

Disengage the 2 claws to

remove the filter from the

cover.

5

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.

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541

6-3. Do-it-yourself maintenance

6

Reinstall the filter to the cover.

1

Engage the filter to the 2

claws as shown in the illus-

tration.

2

Engage the 1 claw to install

the filter.

Make sure that the filter is not

crooked or deformed when install-

ing it.

7

Install the air intake vent cover.

1

Insert the tab of the cover as

shown in the illustration.

2

Push the cover to engage the

5 claws.

6

8

Using a Phillips screwdriver,

install the clip.

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542

6-3. Do-it-yourself maintenance

■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 the 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 multi-information display

●If this warning message is shown on the multi-information display, remove

the air intake vent cover and clean the filter. (P. 539)

●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 components, 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. 90)

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543

6-3. Do-it-yourself maintenance

NOTICE

■When cleaning the air intake vent

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.

■To prevent damage to the vehicle

●Do not allow water or foreign matter to enter the air intake vent 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 installed.

■If “Maintenance required for Traction battery cooling parts See owner’s

manual” is shown on the multi-information display

6

If the vehicle is continuously driven with the warning message (indicating

that charging/discharging of the hybrid battery [traction battery] 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.

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Do-it-yourself maintenance -> Cleaning the hybrid battery (traction battery) air intake vent and filter for Your Toyota Prius 4 Door Fourth Generation (2016-2022)

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