2022 TOYOTA BZ4X ECU

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2-2. Charging
■If “Charging Stopped Check Charging Source” is shown
Likely causeCorrection procedure
Problem in power supply from
external power source
Check the following items.
• The plug is securely inserted.
• Extension cord is not used and electrical socket
is not overloaded.
• The remote switch is not off.
• Connected to a dedicated power line.
• Power outage has occurred or not.
• The power indicator on the CCID (Charging Cir-
cuit Interrupting Device) is illuminated.
• The circuit breakers have not tripped.
If all of the above conditions are met, the electrical
socket may be malfunctioning. Contact an electri-
cian and request an inspection.
Furthermore, if the error warning indicator on the
CCID (Charging Circuit In terrupting Device) is
flashing, there may be electrical leakage. Contact
any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
If charging cannot be performed, even though
there is no problem with the power source path,
there may be a malfunction in the system. Have the
vehicle inspected by any authorized Toyota retailer
or Toyota authorized repairer, or any reliable
repairer.
Charging is stopped by AC
charger
Depending on the specifications of charger,
charging may be canceled by an interruption of
power supply.
Charging may be stopped by the following.
Refer to charger handling methods.
• The charging stop button of charger is pressed.
• Charger with off timer function canceled charging
• Charger that is not compatible with the charging
schedule function of the vehicle
• Check if it is possible to charge with the AC
charging cable equipped with the vehicle. If
charging cannot be carried out even when using
the genuine AC charging cable, contact any
authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.

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3-1. Instrument cluster
*1: These lights come on when the
power switch is turned to ON to indi-
cate that a system check is being
performed. They will turn off after the
EV system is started, or after a few
seconds. There may be a malfunc-
tion in a system if the lights do not
come on, or turn off. Have the vehi-
cle inspected by any authorized
Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
PCS warning light*1, 2
( P.283)
(*4)
Cruise control indicator
( P.316)
(*4)
Dynamic radar cruise control
indicator ( P.307)
(*4)
LDA indicator (P.302)
(*4)
Speed limiter indicator (if
equipped) ( P.318)
BSM outside rear view mirror
indicators*1, 5 (if equipped)
( P.324, 328, 343)
LDA OFF indicator*2
( P.302)
(*4)
LTA indicator (P.294)
Driving assist information
indicator*1, 2 ( P.324, 343,
348, 352)
Toyota parking assist-sensor
OFF indicator*1, 2 (if
equipped) ( P.333)
(Flashes)
Slip indicator*1 (P.407)
VSC OFF indicator*1, 2
( P.407)
Charging cable indicator
( P. 1 1 7 )
Smart entry & start system
indicator*3 ( P.243)
“READY” indicator ( P.243)
Parking brake indicator
( P.254)
Brake hold standby indica-
tor*1 ( P.257)
Brake hold operated indica-
tor*1 ( P.257)
Low outside temperature
indicator *7 ( P.173)
Security indicator ( P. 7 5 ,
77)
“PASSENGER AIR
BAG” indicator*1, 6
( P.47)
Eco mode indicator ( P. 4 0 1 )
Snow Mode indicator (if
equipped) ( P.401)
Downhill assist control sys-
tem indicator (if equipped)
( P.406)
Grip Control indicator (if
equipped) ( P.406)
Grip Control set speed indi-
cator (if equipped) ( P.406)
Regeneration Boost indicator
( P.251)
(*8)
SNOW/DIRT mode indicator
(if equipped) ( P.406)
(*8)
D.SNOW/MUD mode indica-
tor (if equipped) ( P.406)

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4-2. Opening, closing and locking the doors
Before driving
4-2.Opening, closing and lo cking th e d oors
■Smart entry & start system
Carry the electronic key to enable
this function.
1 Grip the front door handle or
rear door handle (some models)
to unlock the doors.*
Make sure to touch the sensor on the
back of the handle.
The doors cannot be unlocked for 3
seconds after the doors are locked.
2 Touch the lock sensor (the
indentation on the side of the
door handle) to lock all the
doors.
Check that the door is securely locked.
*: The door unlock settings can be
changed.
■Wireless remote control
1 Locks all the doors
Check that the door is securely locked.
Press and hold to close the windows.*
2 Unlocks all the doors
Press and hold to open the windows.*
*: These settings must be customized
at any authorized Toyota retailer or
Toyota authorized repairer, or any
reliable repairer.
■Switching the door unlock function
It is possible to set which doors the entry function unlocks using the wireless remote control.
1 Turn the power switch off.
2 Cancel the intrusion sensor and tilt
sensor of the alarm system to pre- vent unintended triggering of the alarm while changing the settings. (if
equipped) ( P. 7 8 )
3 When the indicator light on the key
surface is not on, press and hold
or for approximately 5 sec-
onds while pressing and holding .
The setting changes each time an oper-
ation is performed, as shown below.
(When changing the setting continu-
ously, release the buttons, wait for at
least 5 seconds, and repeat step 3.)
Side doors
Unlocking and locking the
doors from the outside

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4-2. Opening, closing and locking the doors
For vehicles with alarm: To prevent unin-
tended triggering of the alarm, unlock
the doors using the wireless remote
control and open and close a door once
after the settings have been changed. (If
a door is not opened within 30 seconds
after is pressed, the doors will be
locked again and the alarm will automat-
ically be set.)
In a case that the alarm is triggered,
immediately stop the alarm. ( P.77)
■Locking the front doors from the outside without a key
1 Move the inside lock button to the lock position. ( P.188)
2 Close the door while pulling the door
handle.
The door cannot be locked if the power switch is in ACC or ON, or the electronic
key is left inside the vehicle.
The key may not be detected correctly and the door may be locked.
■Impact detection door lock release
system
In the event that the vehicle is subject to a strong impact, all the doors are
unlocked. Depending on the force of the impact or the type of accident, however, the system may not operate.
■Operation signals
The emergency flashers flash to indicate that the doors have been locked/unlocked. (Locked: once;
Unlocked: twice)
A buzzer sounds to indicate that the win- dows are operating.
■Security feature
If a door is not opened within approxi- mately 30 seconds after the vehicle is unlocked, the security feature automati-
cally locks the vehicle again.
■When the door cannot be locked by the lock sensor on the surface of the door handle
When the door cannot be locked even if the lock sensor on the surface of the door handle is touched by a finger, touch
the lock sensor with the palm. When gloves are being worn, remove the gloves.
■Open door warning buzzer
If an attempt to lock the doors is made
when a door is not fully closed, a buzzer sounds continuously for 5 seconds. Fully close the door to stop the buzzer,
and lock the vehicle once more.
■Setting the alarm (if equipped)
Locking the doors will set the alarm sys- tem. ( P.77)
Multi-information
display/BeepUnlocking function
(Left-hand drive vehicles)
(Right-hand drive vehicles)
Exterior: Beeps 3 times
Interior: Pings once
Holding the driver’s
door handle unlocks
only the driver’s
door.
Holding the front
passenger door
handle or rear door
handle (vehicles
with lock sensor)
unlocks all the
doors.
Exterior: Beeps twice
Interior: Pings once
Holding a front door
handle or rear door
handle (vehicles
with lock sensor)
unlocks all the
doors.

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4-2. Opening, closing and locking the doors
WARNING
■Operating the back door
Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in death or serious injury.
●Remove any heavy loads, such as snow and ice, from the back door before opening it. Failure to do so
may cause the back door to sud- denly shut again after it is opened.
●When opening or closing the back door, thoroughly check to make sure the surrounding area is safe.
●If anyone is in the vicinity, make sure they are safe and let them
know that the back door is about to open or close.
●Use caution when opening or clos-ing the back door in windy weather as it may move abruptly in strong
wind.
●Vehicles without power back door:
The back door may suddenly shut if it is not opened fully. It is more diffi-cult to open or close the back door
on an incline than on a level sur- face, so beware of the back door unexpectedly opening or closing by
itself. Make sure that the back door is fully open and secure before using the luggage compartment.
●Vehicles with power back door: The back door may suddenly shut if it is not opened fully, while on a steep
incline. Make sure that the back door is secured before using the luggage
compartment.
●When closing the back door, take
extra care to prevent your fingers, etc., from being caught.
●When closing the back door, make sure to press it lightly on its outer surface. If the back door handle is
used to fully close the back door, it may result in hands or arms being caught.
●Do not pull on the back door damper stay (vehicles without
power back door) ( P.192) or back door spindle (vehicles with power back door) ( P.200) to close the
back door, and do not hang on the back door damper stay (vehicles without power back door) or back
door spindle (vehicles with power back door).Doing so may cause hands to be
caught or the back door damper stay (vehicles without power back door) or back door spindle (vehicles
with power back door) to break, causing an accident.

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4-2. Opening, closing and locking the doors
Before driving
■Smart entry & start system
Carry the electronic key to enable
this function.
1 Unlocks all the doors
The doors cannot be unlocked for 3
seconds after the doors are locked.
2 Locks all the doors
Check that the door is securely locked.
■Wireless remote control
 P. 1 8 5
■Door lock switch
 P. 1 8 8
■Open
Raise the back door while pressing
up the back door opener switch.
■Close
Lower the back door using the back
door handle, and make sure to
push the back door down from the
outside to close it.
■Luggage compartment light
●The luggage compartment light turns on when the back door is opened.
●If the luggage compartment light is left on when the power switch is turned off, the light will go off automatically
after 20 minutes.
■If the back door opener is inopera- tive
The back door can be unlocked from the
WARNING
●If a bicycle carrier or similar heavy object is attached to the back door,
it may suddenly shut again after being opened, causing someone’s hands, arms, head or neck to be
caught and injured. When installing an accessory part to the back door, using a genuine Toyota part is rec-
ommended.
Unlocking and locking the
back door from the outside
Unlocking and locking the
back door from the inside
Opening/closing the back
door (vehicles without
power back door)

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4-2. Opening, closing and locking the doors
Before driving
WARNING
■Back door closer
●In the event that the back door is
left slightly open, the back door closer will automatically close it to the fully closed position. It takes
several seconds before the back door closer begins to operate. Be careful not to catch fingers or any-
thing else in the back door, as this may cause bone fractures or other serious injuries.
●Use caution when using the back door closer as it still operates when
the power back door system is can- celed.
■Power back door
Observe the following precautions when operating the power back door.
Failure to do so may cause death or serious injury.
●Check the safety of the surrounding
area to make sure there are no obstacles or anything that could cause any of your belongings to get
caught.
●If anyone is in the vicinity, make
sure they are safe and let them know that the back door is about to open or close
●If the power back door system is turned off while the back door is
operating automatically, the auto- matic operation is stopped. The back door then has to be operated
manually. Take extra care when on an incline, as the back door may open or close unexpectedly.
●If the operating conditions of the power back door are no longer met, a buzzer may sound and the back
door may stop opening or closing. The back door then has to be oper-ated manually. Take extra care
when on an incline, as the back door may open or close abruptly.
●On an incline, the back door may suddenly shut after it opens. Make sure the back door is fully open and
secure.
●In the following situations, the
power back door may detect an abnormality and automatic opera-tion may be stopped. In this case,
the back door has to be operated manually. Take extra care in this sit-uation, as the back door may open
or close suddenly.
• When the back door contacts an
obstacle
• When the 12-volt battery voltage
suddenly drops, such as when the power switch is turned to ON or the EV system is started during auto-
matic operation
●If a bicycle carrier or similar heavy
object is attached to the back door, the power back door may not oper-ate, causing itself to malfunction, or
the back door may suddenly shut again after being opened, causing someone’s hands, arms, head or
neck to be caught and injured. When installing an accessory part to the back door, ask any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer for details.
■Jam protection function
Observe the following precautions.
Failure to do so may cause death or serious injury.
●Never use any part of your body to
intentionally activate the jam pro- tection function.

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4-2. Opening, closing and locking the doors
Before driving
and immobilizer system from operating
properly. (Ways of coping: P.542)
●When the electronic key battery is
depleted
●Near a TV tower, electric power plant,
gas station, radio station, large dis- play, airport or other facility that gen-erates strong radio waves or electrical
noise
●When carrying a portable radio, cellu-
lar phone, cordless phone or other wireless communication device
●When the electronic key is in contact with, or is covered by the following metallic objects
• Cards to which aluminum foil is attached• Cigarette boxes that have aluminum
foil inside • Metallic wallets or bags• Coins
• Hand warmers made of metal • Media such as CDs and DVDs
●When other wireless keys (that emit radio waves) are being used nearby
●When carrying the electronic key together with the following devices that emit radio waves
• Another vehicle’s electronic key or a wireless key that emits radio waves• Personal computers or personal digi-
tal assistants (PDAs) • Digital audio players• Portable game systems
●If window tint with a metallic content or metallic objects are attached to the
rear window
●When the electronic key is placed
near a battery charger or electronic devices
●When the vehicle is parked in a pay parking spot where radio waves are emitted
■Note for the entry function
●Even when the electronic key is within the effective range (detection areas),
the system may not operate properly in the following cases:
• The electronic key is too close to the
window or outside door handle, near the ground, or in a high place when the doors are locked or unlocked.
• The electronic key is on the instru- ment panel, luggage room, floor, or in the door pockets or glove box when
the EV system is started or power switch modes are changed.
●Do not leave the electronic key on top of the instrument panel or near the door pockets when exiting the vehicle.
Depending on the radio wave recep- tion conditions, it may be detected by the antenna outside the cabin and the
door will become lockable from the outside, possibly trapping the elec-tronic key inside the vehicle.
●As long as the electronic key is within the effective range, the doors may be
locked or unlocked by anyone. How- ever, only the doors detecting the electronic key can be used to unlock
the vehicle.
●Even if the electronic key is not inside
the vehicle, it may be possible to start the EV system if the electronic key is near the window.
●The doors may unlock if a large amount of water splashes on the door
handle, such as in the rain or in a car wash when the electronic key is within the effective range. (The doors will
automatically be locked after approxi- mately 30 seconds if the doors are not opened and closed.)
●When the lock operation is performed using the lock sensor, recognition sig-
nals will be shown up to two consecu- tive times. After this, no recognition signals will be given.
●If the wireless remote control is used to lock the doors when the electronic
key is near the vehicle, there is a pos- sibility that the door may not be unlocked by the entry function. (Use
the wireless remote control to unlock the doors.)
●Touching the door lock sensor while wearing gloves may delay or prevent