2022 TOYOTA BZ4X ECU

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1-4. Theft deterrent system
For safety and security
*: If equipped
■Items to check before locking
the vehicle
To prevent unexpected triggering of
the alarm and vehicle theft, make
sure of the following.
 Nobody is in the vehicle.
 The windows are closed before
the alarm is set.
 No valuables or other personal
items are left in the vehicle.
■Setting
Close the doors and hood, and lock
all the doors using the entry func-
tion or wireless remote control. The
system will be set automatically
after 30 seconds.
The security indicator changes from
being on to flashing when the system is
set.
■Canceling or stopping
Do one of the following to deacti-
vate or stop the alarm.
 Unlock the doors using the entry
function or wireless remote con-
trol.
 Start the EV system. (The alarm
will be deactivated or stopped
after a few seconds.)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Triggering of the alarm
The alarm may be triggered in the fol-
lowing situations: (Stopping the alarm deactivates the
Alarm*
The alarm uses light and
sound to give an alert when an
intrusion is detected.
The alarm is triggered in the
following situations when the
alarm is set:
 A locked door is unlocked or
opened in any way other than
using the entry function or
wireless remote control. (The
doors will lock again automati-
cally.)
 The hood is opened.
The intrusion sensor detects
something moving inside the
vehicle. (An intruder gets in
the vehicle.)
 Vehicles with tilt sensor: The
tilt sensor detects a change of
vehicle inclination.
 Vehicles with glass breakage
sensor: Any of the windows
are broken.
Setting/canceling/stopping
the alarm system

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1-4. Theft deterrent system
alarm system.)
●The doors are unlocked using the mechanical key.
●A person inside the vehicle opens a door or hood, or unlocks the vehicle
using an inside lock button.
●The 12-volt battery is disconnected.
( P.547)
■Alarm-operated door lock
In the following cases, depending on the situation, the door may automatically lock to prevent improper entry into the
vehicle:
●When a person remaining in the vehi-
cle unlocks the door and the alarm is activated.
●While the alarm is activated, a person remaining in the vehicle unlocks the door.
●When recharging or replacing the 12-volt battery.
■The intrusion sensor and tilt
sensor detection
 The intrusion sensor detects
intruders or movement in the
vehicle.
 The tilt sensor detects changes
in vehicle inclination, such as
when the vehicle is towed away.
This system is designed to deter
and prevent vehicle theft but does
not guarantee absolute security
against all intrusions.
■Setting the intrusion sensor
and tilt sensor
The intrusion sensor and tilt sensor
will be set automatically when the
alarm is set. ( P. 7 7 )
■Canceling the intrusion sensor
and tilt sensor
If you are leaving pets or other
moving things inside the vehicle,
make sure to disable the intrusion
sensor and tilt sensor before setting
the alarm, as they will respond to
movement inside the vehicle.
1 Turn the power switch off.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of the system cannot be
guaranteed.
Intrusion sensor (if
equipped) and tilt sensor (if
equipped)

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1-4. Theft deterrent system
For safety and security
2Press the intrusion sensor and
tilt sensor cancel switch.
Press the switch again to re-enable the
intrusion sensor and tilt sensor.
Each time the intrusion sensor and tilt sensor are canceled/set, a message
will be shown on the multi-information display in the instrument cluster.
■Canceling and automatic re-
enabling of the intrusion sensor and tilt sensor
●The alarm will still be set even when the intrusion sensor and tilt sensor are canceled.
●After the intrusion sensor and tilt sen-sor are canceled, pressing the power
switch or unlocking the doors using the entry function (if equipped) or wireless remote control will re-enable
the intrusion sensor and tilt sensor.
●The intrusion sensor and tilt sensor
will automatically be re-enabled when the alarm system is reactivated.
●The intrusion sensor will automatically be canceled when the remote air con-ditioning system is activated.
■Intrusion sensor detection consid-erations
The sensor may trigger the alarm in the
following situations:
●People or pets are in the vehicle.
●A window is open.
In this case, the sensor may detect the
following:
• Wind or the movement of objects such as leaves and insects inside the vehi-cle
• Ultrasonic waves emitted from devices such as the intrusion sensors of other vehicles
• The movement of people outside the vehicle
●Unstable items, such as dangling accessories or clothes hanging on the coat hooks, are in the vehicle.
●The vehicle is parked in a place where extreme vibrations or noises occur,
such as in a parking garage.

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2-2. Charging
Electric Vehicle system
■The charging port lid will be locked when
●In the following cases, the charging port lid will be locked.• The doors are locked with the wireless
remote control • The doors are locked with the smart entry & start system
• The doors are locked with the mechanical key
●The charging port lid will automatically be locked if the security feature locks the doors when the charging port lid is
closed. ( P.186)
●If the charging port lid is closed after
the doors are locked, the charging port lid will not be locked. In that case, after unlocking the doors once, the
charging port lid can be locked by locking the doors.
■Lid lifter
●The charging lid is not closed if the lifter is pushing in before closing the charging lid. In that case, while
unlocking the door, push again and release the lid lifter, and close the
charging lid again.
■Charging port lid open/close detec-
tion switch
When the charging port lid is open, do not touch the charging port lid
open/close detection switch (Position shown in the figure).
If you touch it by mistake, the vehicle
may incorrectly display the opened/closed status of the charging port lid, or the charging connector may
not be able to lock/unlock normally.
■When the charging port lids cannot
be opened
 P. 5 4 1
The illumination/flashing pattern
changes to inform the user of the
charging status in the following
ways.
Charging indicator

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2-2. Charging
Electric Vehicle system
WARNING
●Do not apply a load to the AC charging cable and plug-cord (such
as wrapping the AC charging cable around the CCID (Charging Circuit Interrupting Device) and the
charging connector).
●Do not use or leave the AC
charging cable in situations where a load is applied to the socket and the plug (such as when the CCID
(Charging Circuit Interrupting Device) is hanging in the air without contacting the ground).
NOTICE
■Precautions when handling AC charging cable
Make sure to observe the following
precautions. Failure to observe these precautions may result in damage to the AC charging cable and AC
charging inlet.
●Insert the charging connector
straight into the AC charging inlet.
●After inserting the charging connec-
tor, 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 AC
charging cable.
●Before removing the charging con-
nector, make sure that it is unlocked. ( P. 1 1 0 )
●After removing the AC charging cable, promptly return it to its proper location.
●After removing the charging con-nector, securely install the AC
charging inlet cap.
■When using the AC charging cable and related parts
 P. 1 2 1
■Precautions for low tempera- tures
In low temperatures, the AC charging cable and plug-cord may become hard. Therefore, make sure to not
apply excessive force when they are hard. If excessive force is applied to the hardened AC charging cable and
plug-cord, they may be damaged.

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2-2. Charging
Electric Vehicle system
When the error warning indicator is illuminated or flashing, temporarily remove the
plug from the socket and then reconnect it to check if the erro r indicator turns off.
If the error warning indicator turns off, charging is now possi ble.
If it does not turn off, perform the correction procedure in th e following chart.
StatusPower indicatorError warning
indicatorDetails/Correction procedure
Charging sys-
tem error
Not illuminatedNot illuminated
or illuminated
An electrical leakage is
detected and charging is can-
celed, or there is a malfunc-
tion in the AC charging cable.
 Consult any authorized
Toyota retailer or Toyota
authorized repairer, or any
reliable repairer.
IlluminatedFlashes
Plug tempera-
ture detection
malfunction
FlashesFlashes
There is a malfunction in the
plug temperature detection
part.
 Consult any authorized
Toyota retailer or Toyota
authorized repairer, or any
reliable repairer.
Plug tempera-
ture increase
detection
FlashesNot illuminated
An increase in the tempera-
ture of the plug is detected
due to an improper connec-
tion between the socket and
plug.
 Check that the plug is
securely connected to the
socket

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2-2. Charging
Electric Vehicle system
4Insert the release key into the
release slot of the CCID
(Charging Circuit Interrupting
Device).
Insert the release key in the direction
shown in the illustration.
5 With the release key fully
inserted into the release slot of
the CCID (Charging Circuit
Interrupting Device), turn the
plug-cord connector nut of the
plug-cord to remove the cord.
After the plug-cord is removed, remove
the release key.
Do not leave the vehicle alone with the plug-cord removed. If the plug-cord is
not installed, water or other foreign mat- ter may enter the CCID (Charging Cir-cuit Interrupting Device), resulting in a
malfunction.
6 Align the protrusion of the CCID
(Charging Circuit Interrupting
Device), with the groove of the
plug-cord, insert the plug-cord
into the CCID (Charging Circuit
Interrupting Device), and then
turn the plug-cord connector nut
of the plug-cord to install it.
Make sure that there are no foreign objects attached to the connection before installing the plug-cord. Remove
any foreign objects if they are attached. Otherwise, water or other foreign mat-ter may enter the CCID (Charging Cir-
cuit Interrupting Device), resulting in a malfunction.
Turn the plug-cord connector nut of the
plug-cord in the opposite direction of removal until a click sound is heard and the plug-cord is secured.
7 Install the plug-cord connector
cap and release key to the plug-
cord that has been removed.
Securely install the release key to the plug-cord connector cap to prevent it from being lost. Also, make sure that
the release key does not fall out of the plug-cord connector cap accidentally.
Store the plug-cord in a safe, clean and
dry place.
WARNING
■When replacing the plug-cord (if equipped)
Check the following points regularly.
Failure to do so may cause an unex- pected accident, resulting in death or
serious injury.

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2-2. Charging
For safety, inspect the AC charging
cable on a routine basis.
WARNING
●Do not replace the plug-cord with wet hands.
Also, do not replace in a place that is rainy or wet.
●Do not replace the plug-cord when the plug and/or charging connector are connected.
●Do not leave the CCID (Charging Circuit Interrupting Device) with the
plug-cord removed.
●Check whether there are any local
BEV-charging regulations in place, and adhere to them.
●Make sure that there are no foreign objects attached to the connection when installing the plug-cord to the
CCID (Charging Circuit Interrupting Device).
●When replacing the plug-cord, firmly turn the nut of the plug-cord until a click sound can be heard.
●When replacing the plug-cord, make sure to use the release key.
●Do not replace the plug cord in Nor-way.
NOTICE
■Precautions for the plug-cord (if equipped)
Do not use the plug-cord for any use other than charging this vehicle. Doing so may cause the plug-cord to
be damaged.
Inspecting the AC charging
cable
WARNING
■Routine inspection
Check the following points regularly.
Failure to do so may cause an unex- pected accident, resulting in death or serious injury.
●The AC charging cable, plug, charging connector, CCID (Charging Circuit Interrupting
Device), etc., have not been dam- aged
●The socket has not been damaged.
●The plug can be securely inserted
into the socket.
●The plug does not get extremely hot
during use
●The tip of the plug has not been
deformed.
●The plug is not dirtied by dust, etc.
Remove the plug from the socket before inspecting it. If any abnormali-ties are found in the AC charging
cable as a result of the inspection, immediately stop use and consult any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.