Toyota Prius Prime (2020 year). Owner's manual — part 9

136

2-2. Charging

■

Hybrid battery (traction battery) warming control (Alaska and
Canada only)
This control operates after the charging cable remains connected to
the vehicle for 3 days and “Traction Battery Heater” automatically
stops. It automatically insulates the hybrid battery (traction battery)
in extremely low temperatures.
● This control stops 31 days after the charging cable is connected,

even if it is still connected to the vehicle.

● When this control operates, timer charging settings are ignored

and charging starts.

■

“Traction Battery Cooler”
When the hybrid battery (traction battery) is hot, this function pro-
tects it by using the vehicle air conditioning to cool it before
charging is carried out.
When the hybrid battery (trac-
tion battery) is above a certain
temperature and the power
switch is turned off, a check
screen is displayed on the
multi-information display that
indicates whether “Traction Bat-
tery Cooler” is implemented.

When “No” is selected, the hybrid battery (traction battery) cooling sys-
tem does not operate.

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in hybrid system

■

“Traction Battery Heater”

●

“Traction Battery Heater” may operate when charging is not being per-
formed.

●

When “Traction Battery Heater” is operating, the charging indicator illumi-
nates.

●

When “Traction Battery Heater” is operating during charging, the charging
time may be longer than normal.

●

If the outside temperature becomes high while “Traction Battery Heater” is
operating, charging may complete earlier than the “Departure” time set.
(

P. 157)

●

“Traction Battery Heater” can be turned on and off in the “Vehicle Settings”
settings on the multi-information display. (

P. 741)

●

“Traction Battery Heater” may operate even when the hybrid battery (trac-
tion battery) is fully charged depending on the temperature of the hybrid bat-
tery (traction battery).
• The remaining charge of the hybrid battery (traction battery) decreases

when “Traction Battery Heater” operates. The charging operation may
start again to charge the hybrid battery (traction battery).

• “Charging Stopped Due to Pulled Charging Connector” may be shown

when the charging connector is removed while recharging. (

P. 185)

138

2-2. Charging

■

“Traction Battery Cooler”

●

When the hybrid battery (traction battery) is above a certain temperature
and the power switch is turned off, a check screen is displayed on the multi-
information display that indicates whether “Traction Battery Cooler” is imple-
mented. Approximately 5 minutes after selecting “Yes” on this screen, sys-
tem operation becomes possible.

●

When charging starts, “Traction Battery Cooler” only operates if the hybrid
battery (traction battery) temperature is hot.

●

The charging indicator is illuminated while “Traction Battery Cooler” is on
standby or operating.

●

“Traction Battery Cooler” is implemented for a maximum of approximately
30 minutes. However, when the “Departure” time is set (

P. 157) and there

is not sufficient time between the current time and the time that charging will
complete, “Traction Battery Cooler” operation time may become shorter.

●

When there is a small amount of remaining charge in the hybrid battery
(traction battery), even if the hybrid battery (traction battery) is hot, “Traction
Battery Cooler” may not be implemented.

●

When the following operations are performed while “Traction Battery Cooler”
is operating, the hybrid battery (traction battery) cooling operation stops.
• A door is opened
• The hood is opened
• The power switch is turned to any mode other than off
• The shift position is changed to any position other than P
• The Remote Air Conditioning System is operated (

P. 522)

• “Charge Now” is implemented (

P. 158)

• The amount of remaining charge in the hybrid battery (traction battery) is

below a certain amount

●

When the power switch is turned off, a check screen is displayed on the
multi-information display that indicates whether “Traction Battery Cooler” is
implemented. This check screen can be turned on and off in the “Meter Cus-
tomize” settings on the multi-information display (

P. 246). However, when

the check screen is set to “Off”, “Traction Battery Cooler” is no longer oper-
ates.

●

“Traction Battery Cooler” uses the power of the hybrid battery (traction bat-
tery) and external power source.
• While “Traction Battery Cooler” is operating, the amount of the remaining

charge of the hybrid battery (traction battery) increases and decreases in
a certain range, and does not increase as in normal charging.

• The operation of “Traction Battery Cooler” is recognized as charging by a

charging equipment. The charging equipment that calculates the fee
according to charging time causes a charging fee.

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2-2. Charging

2

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in hybrid system

Charging tips

To enable the use of EV mode, we recommend systematically
charging the vehicle.

Before leaving home

In order to use EV mode, charge
the hybrid battery (traction battery)
at home before leaving.
The charging timer function
(

P. 157) can be used to set the

system to automatically fully
charge the hybrid battery (traction
battery) before your desired depar-
ture time. It is also possible to set
the air conditioning to make the
interior in a comfortable state
before your desired departure time.

At your destination

Use a public charging station to
charge the hybrid battery (traction
battery).
If there are no charging facilities at
your destination, the hybrid battery
(traction battery) can be charged
using the hybrid battery (traction
battery) charge mode. (

P. 89)

*

After returning home

In order to drive the next time, charge the hybrid battery (traction battery).
Settings the charge schedule allows you to charge the hybrid battery (trac-
tion battery) at the desired time such as late at night or early in the morn-
ing. Furthermore, the charging timer can be set to automatically charge the
hybrid battery (traction battery) every day or at the same time on certain
days. (

P. 157)

*

: When using the hybrid battery (traction battery) charge mode while parked,

make sure that no flammable objects are near the vehicle and the vehicle
is parked in a well-ventilated area. (

P. 97)

This section explains methods for using the charging function
for this vehicle and checking information related to charging.

Systematically charging

1

2

3

140

2-2. Charging

■

Searching charging stations (vehicles with 11.6-inch display)
After applying to Entune, it is possible to use the smartphone application to
search the nearby charging stations.
For details about Entune, refer to http://www.toyota.com/entune/.

Information related to charging can be displayed and checked on the
vehicle’s multi-information display or 11.6-inch display (if equipped).

Refer to P. 265 for details on the screen display for the 11.6-inch display (if
equipped).

■

While charging
When any door is opened
during charging, the current
charging condition and remain-
ing time until charging is com-
plete can be checked.

■

After charging is complete
After charging is complete, the
first time that the hybrid system
is started, a message detailing
the results of the charging is
displayed. Also, a message is
displayed if an operation that
stops charging is performed or
a situation where charging can-
not be performed occurs.

When a message is displayed, follow the instructions displayed on the
screen. (

P. 185)

■

Combination meter display during charging
If approximately 100 seconds elapse after the power switch is turned to ON
mode during charging, the power switch will automatically turn off and the dis-
play will disappear.

Checking information related to charging

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2-2. Charging

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in hybrid system

Things to know before charging

This vehicle has been designed to allow charging from an external
power source using a charging cable for exclusive use with standard
household AC outlets.
However, the vehicle differs greatly from standard household electri-
cal goods in the following ways, and incorrect usage could cause fire
or electric shock, possibly leading to death or serious injury.
● The charging operation is designed to operate at 12A continuously

for the charge duration (up to 5 hours 10 minutes). (

P. 134)

● Charging can be conducted outdoors.
To charge properly, follow the procedure after reading the explanation
below. Charging is intended to be carried out by licensed drivers only
who properly understand the charging procedure.
● Charging should not be carried out by children.
● When charging with a charging equipment, follow the procedures

for using each equipment.

● When charging using a public charging facility, check the setting of

the charging timer function.

• When the charge schedule is registered, temporarily turn off the

function or turn “Charge Now” on. (

P. 164, 166, 174, 175)

• When the charge schedule is set to ON, charging will not start

even if the charging cable is connected. Also, charging fee may
occur due to connection of the charging cable.

Make sure to read the following precautions before connecting
the charging cable to the vehicle and charging the hybrid battery
(traction battery).

Charging precautions

142

2-2. Charging

Before charging, always check the following items.
● The parking brake is applied. (P. 349)
● The headlights are switched off or set to AUTO, and lights such as

the emergency flashers and interior lights etc. are switched off.

If these light switches are turned ON, then these features will consume
electricity, and charging time will increase.

● The power switch is off. (P. 336)

Before charging, make sure that each part of the charging cable is in
good condition. (

P. 120)

■

Safety functions

●

The hybrid system will not start while the charging cable is attached to the
vehicle, even if the power switch is operated.

●

If the charging cable is connected while the “READY” indicator is illumi-
nated, the hybrid system will stop automatically and driving will not be possi-
ble.

●

When the charging cable is connected to the vehicle, the shift position can-
not be changed from P to another position.

■

During charging
The followings occur, however, it does not indicate a malfunction.

●

The charging starting time may differ depending on the state of the vehicle.

●

During charging, the sound of the fan may be heard from the charging
equipment cooling air intake vents. (

P. 145)

●

During and after charging, the rear seat and its surrounding area in which
the charging equipment is installed may get warm.

Confirm the following before charging

Inspecting the charging cable

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2-2. Charging

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in hybrid system

■

Capacity reduction of the hybrid battery (traction battery)
The capacity of the hybrid battery (traction battery) will decline gradually
when the hybrid battery (traction battery) is in use. The rate at which it
declines will differ in accordance with environmental conditions and the way
in which the vehicle is used. Observing the following can help suppress bat-
tery capacity decline.

●

Avoid parking the vehicle in areas with a high temperature under direct sun-
light when the hybrid battery (traction battery) is fully charged.

●

Avoid accelerating and decelerating frequently and suddenly when EV driv-
ing.

●

Avoid frequent driving near the top speed for EV driving. (

P. 95)

●

Leave a low level of charge in the hybrid battery (traction battery) when
leaving the vehicle undriven for a long period of time.
After confirming that EV mode has switched to HV mode, turn the power
switch off.

●

Use the charging timer function as much as possible in order to fully
charge the hybrid battery (traction battery) immediately before starting
off. (

P. 157)

Also, if the hybrid battery (traction battery) capacity reduces, the distance that
can be driven in EV mode decreases. However, vehicle performance does
not significantly become worse.

■

When the remaining charge of the hybrid battery (traction battery) is low
after charging
In the following situations, the remaining charge of the hybrid battery (traction
battery) after charging completes may be less than normal in order to protect
the system (the EV driving range after the battery is fully charged may be
shorter).

*

●

Charging is carried out when the outside temperature is low or high

●

Charging is carried out immediately after high-load driving or in extreme
heat

When none of the above situations apply and there is a drastic drop in the
remaining charge of the hybrid battery (traction battery) after charging com-
pletes, have the vehicle inspected by your Toyota dealer.

*

: When this occurs, even if the remaining charge display of the hybrid battery

(traction battery) shows that it is fully charged, the remaining charge rapidly
decreases faster than normal.

■

When the charging amount sent to the hybrid battery (traction battery)
decreases
When the amount of power supplied by the charging equipment is low or
operation of the “Traction Battery Heater”, etc., reduces the charging power
sent to the hybrid battery (traction battery), the charging amount sent to the
hybrid battery (traction battery) may decrease.

144

2-2. Charging

■

Certification
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference

that may cause undesired operation.

WARNING

■

Caution when charging
People with implantable cardiac pacemakers or cardiac resynchronization
therapy-pacemakers should not carry out the charging procedure. Ask
someone else to do it.

●

Do not approach the charging equipment and charging cable while
charging.
Charging procedure may affect the operation of such devices.

●

Do not remain in the vehicle during charging.
Charging procedure may affect the operation of such devices.

●

Do not enter the vehicle even to take something out of the luggage com-
partment.
Charging procedure may affect the operation of such devices.

■

When the charging cable is connected to the vehicle
Do not operate the shift lever.
In the unlikely event that the charging cable has been damaged, the shift
position may change from P to another position and the vehicle could move,
possibly leading to an accident.

NOTICE

■

Precautions when handling charging cable
Make sure to observe the following precautions. Failure to observe these
precautions may result in damage to the charging cable and charging inlet.

●

Insert the charging connector straight into the charging inlet.

●

After inserting the charging connector, do not apply excessive force to or
twist the connector. Also, do not lean on the connector or hang any objects
from it.

●

Do not step on or trip over the charging cable.

●

Vehicles with smart lid & connector locking system: Before removing the
charging connector, make sure that it is unlocked. (

P. 152)

●

After removing the charging cable, promptly return it to its proper location.

●

After removing the charging connector, securely install the charging inlet
cap.

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2-2. Charging

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in hybrid system

NOTICE

■

Charging equipment cooling air intake vents

●

Do not block the air intake vents with seat covers or luggage

●

If the air intake vents are clogged with dust, clean them with a vacuum
cleaner

●

Do not allow water or foreign matter to enter the air intake vents

●

Do not spill large amounts of water near the air intake vents
If water is spilled, have the vehicle inspected by your Toyota dealer and do
not charge the hybrid battery (traction battery) before the inspection.

The grilles under the rear seats are the
cooling air intake vents for the charging
equipment installed under the seats.
Make sure to observe the following pre-
cautions regarding the cooling air intake
vents. Failure to observe these precau-
tions may result in a charging system
malfunction.

146

2-2. Charging

How to charge

P. 142

Prepare the charging cable.
Insert the charging cable into
the outlet of the external power
source.

Make sure to hold the body of the
plug and insert it firmly into the out-
let.
Check that the power indicator on
the CCID (Charging Circuit Inter-
rupting Device) is illuminated. (If it
is not illuminated, refer to P. 180)
In order to reduce the load on the
outlet and plug, when inserting the
plug, use a string, etc. to hang the
CCID (Charging Circuit Interrupting
Device) on a hook or equivalent.

Open the charging port lid.
(

P. 111)

The charging inlet light will illumi-
nate.

This section explains the procedure for charging the hybrid bat-
tery (traction battery) with the equipped charging cable.
When using a charging station, make sure to check the opera-
tion instructions on the charging station.

When the charge schedule is registered, make sure “Charge Now”
is turned on before charging. (

P. 166, 175)

Confirm the following before charging

When charging

1

2

Charging inlet light

3

147

2-2. Charging

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in hybrid system

Remove the charging inlet cap
and secure it as shown in the
illustration.

Remove the protective cap of
the charging connector and
secure it to the cable.

Insert the charging connector
into the charging inlet.

Align the guide position on the bot-
tom of the charging connector, and
push the charging connector
straight into the charging inlet as
far as possible.
Once a “click” sound is heard,
check that the charging connector
is securely locked.

4

5

6

148

2-2. Charging

Confirm that the charging indi-
cator is illuminated.

Charging will not start if the
charging indicator does not illumi-
nate when the charging connector
is inserted. (

P. 181)

If the charging indicator is flashing,
the charge schedule is registered.
(

P. 149)

If the error warning indicator on the CCID (Charging Circuit Interrupting
Device) flashes during charging, check P. 118 and follow the correction
procedure.

Vehicles with smart lid & con-
nector locking system:
When you wish to lock the
charging connector, carry an
electronic key and press the
charging connector lock switch.

The charging connector will be
locked by the smart lid & connector
locking system. After the charging
connector is locked, the charging
connector cannot be unlocked by
pressing the charging connector
lock switch if the electronic key is
not in detection area of charging
port lid. (

P. 291)

The charging indicator will turn off when charging is completed.

7

8

149

2-2. Charging

2

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in hybrid system

■

During charging

●

The surface of the CCID (Charging Circuit Interrupting Device) may become
hot, but this does not indicate a malfunction.

●

Depending on radio wave conditions, interference may be heard on the
radio.

●

The current charging condition and the estimated time until charging will
complete can be checked on the multi-information display or 11.6-inch dis-
play (if equipped). (

P. 140, 271)

●

During charging, the hybrid battery (traction battery) status indicator illumi-
nates and flashes, and changes according to the charging amount.
(

P. 112)

■

If the charging indicator flashes after connecting the charging cable
The charge schedule (

P. 157) is registered and charging cannot be per-

formed. To cancel charging using the timer and start charging, perform any of
the following procedures.

●

Turn “Charge Now” on (

P. 166, 175)

●

While the charging indicator is flashing, remove and reconnect the charging
connector within 5 seconds

■

When the charging connector cannot be inserted into the charging inlet
(vehicles with smart lid & connector locking system)
P. 127

150

2-2. Charging

Vehicles with smart lid & con-
nector locking system:
When the charging connector is
locked, carry an electronic key
and press the charging connec-
tor lock switch.

The

charging

connector

is

unlocked by the smart lid & con-
nector locking system.
Carrying an electronic key and moving near the charging inlet will cause
the charging inlet light to illuminate.

Pull the charging connector
towards you while pressing the
latch release button.

If the charging connector is discon-
nected during charging (while the
charging indicator is on), charging
will be interrupted.

Attach the charging connector
cap.

Attach the charging inlet cap
and close the charging port lid.

After charging

1

2

3

4

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2-2. Charging

2

Plug-

in hybrid system

Remove the plug from the out-
let when the charging equip-
ment will not be used for a
prolonged period of time.

Hold the body of the plug when
removing.
Make sure to put the cable away
immediately after disconnecting.
(

P. 155)

When leaving the plug inserted, inspect the plug and connector once a
month to check if dirt or dust has accumulated.

■

Charging time
P. 134

■

Safety function
If the latch release button is pressed, charging will not begin even if the
charging cable is connected.
Also, charging will be stopped if the latch release button is pressed and held
for several seconds during charging. When restarting charging, reinsert the
charging connector after pulling it out, and check that the charging indicator
illuminates.

■

When the outside temperature is low or high
The level shown on the remaining charge display (

P. 229) may drop slightly

when the power switch is turned to ON mode, even if charging has been com-
pleted and the hybrid battery (traction battery) is fully charged. However, this
does not indicate a malfunction.

■

Charging time may increase
P. 135

■

While charging
When the power switch is turned to ON mode and the energy monitor dis-
plays, the charging connector is displayed on the energy monitor and the flow
of electricity during charging is displayed (

P. 221). Also, when the charging

connector is locked,

is displayed.

*

*

: Vehicles with smart lid & connector locking system only

5