2022 TOYOTA BZ4X ECU

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2-2. Charging
■Locking the charging connec-
tor
The AC charging connector will be
automatically locked when inserting
it into the AC charging inlet.
■Unlocking the charging con-
nector
The AC charging connector will be
unlocked when the doors are
unlocked using the smart entry &
start system or wireless remote
control.
The AC charging connector locks
when connected and unlocks when
the door is unlocked, so lock-
ing/unlocking the AC charging con-
nector does not necessarily
correspond to locking/unlocking the
door.
If the door is unlocked and the AC
charging connector is locked, you
can unlock it by doing the following:
• When using the smart entry &
start system, lock the door once
and then unlock it again.
(→P.185)
• When using the wireless remote
control, press the unlock button
to unlock the door. (→P.185)
■AC charging connector lock func-
tion
If the AC charging connector is locked/unlocked repeatedly, it may not
work temporary due to protect the sys- tem by AC charging system. In this case, wait for a while before connecting
the AC charging connector to AC charging inlet again.
The AC charging connector lock func-
tion does not guarantee that theft of the AC charging cable will be prevented, and is not necessarily effective for all
mischiefs.
■Security function for unlocking
If the AC charging connector is not removed within approximately 30 sec-
onds after the vehicle is unlocked, the security function automatically locks the connector again.
■Unlocking the AC charging connec-
tor during charging
If the AC charging connector is unlocked during charging, charging will be
stopped. Once the security function ( P.77) works, charging may not restart automatically. In this case, remove the
AC charging connector* and insert it again.*: When the AC charging connector is
removed, the charging schedule will
be updated. ( P.134)
■When the AC charging connector cannot be inserted into the AC
charging inlet
Check that the connector lock pin is not lowered.
If the connector lock pin is lowered, the connector lock is operating. Unlock the doors using the smart entry & start sys-
Locking and unlocking
AC charging connector
The AC charging connector
will be locked when it is con-
nected to the AC charging
inlet, preventing the AC
charging cable from being dis-
connected while charging.
Locking and unlocking the
AC charging connector

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2-2. Charging
to the wall with screws.
3 Unlock the doors and open the
charging port lid. ( P. 9 5 )
The charging inlet light will illumi-
nate.
4 Open the AC charging inlet cap.
5 Remove the charging connec-
tor cap and secure it to the
cable.
6 Make sure to hold the body of
the charging connector and
insert it firmly and fully into the
AC charging inlet.
When connecting the charging connec- tor into the AC charging inlet, make sure that the identification symbols are
the same.
When the charging connector is inserted straight as far as possible, it
will automatically lock.
Check that the charging indicator illumi- nates. If the charging indicator does not
illuminate, the charging connector is not
locked.*

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2-2. Charging
Electric Vehicle system
The “Charging Settings” screen will be
displayed.
4 Press or of the meter control
switches to select “Charging Limit”,
and then press .
The “Charging Limit” screen will be dis- played.
5 Select “Full”, “90%”, “80%”, “70%”,
“60%” or “50%” and then press .
●Setting operations on multimedia
1 Select .
2 Select “Vehicle customize”.
3 Select “Charging”.
4 Select “Charging limit”.
5 Select “Full”, “90%”, “80%”, “70%”, “60%” or “50%”.
If the setting is changed during DC charging, charging may stop due to the operation of the DC charger timer and
the traction battery cannot be fully charged.
■Protection function of AC charging inlet overheating
By installing a temperature sensor to the AC charging inlet, prevents parts from melting when the temperature rises due
to foreign matter entering the charging connector.
When a certain temperature increase is
detected, charging is stopped immedi- ately.
After this, when the power switch is off,
a message will be displayed on the multi-information display ( P.160)
WARNING
■When charging
Observe the following precautions.
Failure to do so may cause an unex- pected accident, resulting in death or serious injury.
●Connect to a power source suitable for charging. ( P.112)
●Check that the AC charging cable, plug and socket are free of foreign matter.
●Before charging, check that the AC charging inlet is not deformed,
damaged or corroded, and check that the inlet is free of foreign mat-ter such as dirt, snow and ice.
If there is dirt or dust in these areas, remove completely before inserting the charging connector.
●Before inserting the charging plug into the charger, make sure there is
no dirt or dust on the terminal areas. If there is dirt or dust in these areas, remove completely before
inserting the charging plug.
●Do not get the terminals of the AC
charging inlet wet.
●Only use sockets where the plug
can be securely inserted.
●Do not bundle or wind the AC
charging cable while charging, as doing so may result in overheating.
●Do not touch the terminals of the charging connector and AC charging inlet with a sharp metal
objects (needles, etc.,) or hands, or short them with foreign objects.

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2-2. Charging
Electric Vehicle system
Multimedia operation: P. 1 4 0
■Charging schedule
●The charging schedule cannot be set while driving.
●A maximum of 15 charging schedules can be registered.
If the charging mode is set to “Start-
Stop” and the start time and stop time are set to the same time, charging will be performed for 24 hours from the start
time.
The charging schedule function can not be used when using DC charging.
■To make sure that the charging
schedule function operates cor- rectly
Check the following items.
●Adjust the clock to the correct time ( P.178)
●The calendar is set to the correct date ( P.178)
●Check that the power switch is turned off
●After registering the charging sched-ule, connect the AC charging connec-
tor
The charging start time is determined
based on the charging schedule at the
time that the AC charging connector
was connected.
●Connect the AC charging connector
before the start time
When the charging mode is set to
“Start”, if you connect the AC charging
connector after the set start time, the
next charging schedule will be refer-
enced.
When the charging mode is “Start-Stop”,
if you connect the AC charging connec-
tor after the start time, charging will start
immediately and charging will be per-
formed until the stop time.
●After connecting the AC charging con- nector, check that the charging indica-tor of the charging port flashes
( P. 9 7 )
●Do not use an socket that has a power
cut off function (including a timer func- tion)
Use an socket that constantly supplies
electricity. For sockets where the power
is cut off due to a timer function, etc.,
charging may not be carried out accord-
ing to plan if the power is cut off during
the set time.
■When the AC charging connector remains connected to the vehicle
●When the charging mode is set to “Start”, even if multiple consecutive
charging schedules are registered, the next charge will not be carried out according to the charging schedule
until the AC charging connector is removed and reconnected after charging completes. Also, when the
traction battery is fully charged, charging according to the charging schedule will not be carried out.
●If the charging stop time is reached before the traction battery is fully
charged and the charging mode is set to “Start-Stop”, the nearest charging schedule after the stop time is
updated as the next charging sched- ule, and charging is repeated until the battery is fully charged.
■When charging schedules are
ignored
When the following operations are per- formed while the charging schedule is

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2-2. Charging
Electric Vehicle system
Solar roof
Solar ECU
Traction battery
Information related to the solar
charging system can be checked
on the multi-information display and
multimedia.
Meter control switches ( P.176)
Multi-information display
Multimedia
Multi-information display
1 Press or of the meter
control switches to select .
2 Press or of the meter
control switches to select solar
charging screen.
Current power generation
Mileage with power generation*
*: Mileage with power generation from
the end of the previous drive to the
current state. These values are cal-
culated by converting the power gen-
erated into driving distance, and may
differ from the actual driving distance.
When optional tires are installed, the
displayed value may differ from the
actual driving distance.
Multimedia
 Energy screen
1 Press .
2 Press “Solar charging”.
If a screen other than the desired one is displayed, select “Energy” on the
Displaying information
related to the solar charging
system

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2-2. Charging
Electric Vehicle system
Building breaker is tripped and power is
cut off
Check that the breaker is connected and
if there is no malfunction, check if the
vehicle can be charged through another
socket.
If charging is possible, the first socket
may have a malfunction. Contact the
building or facility manager, or an electri-
cian.
Short circuit between CCID (Charging
Circuit Interrupting Device) and plug
Immediately stop charging and contact
any authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
AC charging connector is not securely
connected to AC charging inlet
Check the connection status of the AC
charging connector.
• When connecting the AC charging
connector, insert the AC charging con-
nector securely.
• After connecting the AC charging con-
nector, check that the charging indica-
tor of the charging port is turned on.
If the charging indicator of the AC
charging port does not illuminate, even
though the AC charging connector is
securely connected, there may be a mal-
function in the system. Immediately stop
charging and contact any authorized
Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Traction battery is already fully chargedWhen the traction battery is fully
charged, charging is not performed.
The AC charger does not operatePlease contact the facility manager when
there is a problem with AC charger.
Likely causeCorrection procedure

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2-2. Charging
Electric Vehicle system
■DC charging does not start
When DC charging cannot be performed normally
Likely causeCorrection procedure
The DC charging connector is not prop-
erly connected to the vehicle.
Check the connection status of the DC
charging connector and be sure that it is
locked.
If the DC charging does not start, even
though the DC charging connector is
securely connected, there may be a mal-
function with the DC charger or charging
system.
The DC charging connector is not
securely locked.
• If there is a malfunction with the DC
charger, contact the charging station
manager.
• If there is not a malfunction with the
DC charger, there may be a malfunc-
tion in the system. Contact any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
• If there is an error in the connection
status due to the weight of the connec-
tor, disconnect the connector and then
reconnect it. Lift and hold the connec-
tor in place for about 3 seconds after
reinserting it until it locks.
If the connector still does not lock,
check if it can be charged with another
DC charger.

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2-2. Charging
Electric Vehicle system
■If “Charging Stopped Due to Pulled Charging Connector” is shown
*: Electricity is consumed when operating battery heater (P.114), the Remote Air
Conditioning System ( P.427).
■If “Charging Complete Limited Charge Due to Battery Temp” is
shown
Likely causeCorrection procedure
AC charging connector is removed while
AC chargingWhen the AC charging connector is
removed while AC charging, charging
stops. If you want to fully charge the trac-
tion battery, reconnect the AC charging
connector.
After the traction battery is fully charged,
the AC charging connector is removed
while the traction battery is being
recharged again because electricity-con-
suming functions* have been used and
the remaining charge is now reduced.
AC charging connector is not securely
connected
Check the connection status of the AC
charging connector.
• When connecting the AC charging
connector, insert the AC charging con-
nector securely.
• After connecting the AC charging con-
nector, check that the charging indica-
tor of the charging port is turned on.
If charging cannot be carried out, even
though the proper procedures were fol-
lowed, have the vehicle inspected by any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
AC charging connector was unlocked
while AC charging
When the AC charging connector is
unlocked while AC charging, charging
stops. To continue charging, reconnect
the AC charging connector.
Likely causeCorrection procedure
Charging was stopped to protect the
traction battery as it continued to remain
hot for a certain period of time.
Allow the traction battery to cool down
and perform charging again if the
charging amount has not reached the
desired amount.