engine TOYOTA 4RUNNER 2021 (in English) Service Manual

1613-4. Adjusting the steering wheel and mirrors
3
Operation of each component
4RUNNER (U)
■Mirror angle can be adjusted when
Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
Vehicles with a smart key system
The engine switch is in ACCESSORY or IGNITION ON mode.
■ When the mirrors are fogged up
The outside rear view mirrors can be cleared using the mirror d efoggers. Turn
on the rear window defogger to turn on the outside rear view mi rror defog-
gers. ( P. 342, 349)
WARNING
■Important points while driving
Observe the following precautions while driving.
Failure to do so may result in loss of control of the vehicle and cause an
accident, resulting in death or serious injury.
● Do not adjust the mirrors while driving.
● Do not drive with the mirrors folded.
● Both the driver and passenger side mirrors must be extended and properly
adjusted before driving.
■ When a mirror is moving
To avoid personal injury and mirror malfunction, be careful not to get your
hand caught by the moving mirror.
■ When the mirror defoggers are operating
Do not touch the rear view mirror surfaces, as they can become very hot
and burn you.

1633-5. Opening, closing the windows and moon roof
3
Operation of each component
4RUNNER (U)
■The power windows can be operated when
Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
Vehicles with a smart key system
The engine switch is in IGNITION ON mode.
■ Operating the power windows after turning the engine off
Vehicles without a smart key system
The power windows can be operated for approximately 45 seconds even
after the engine switch is turned to the “ACC” or “LOCK” positi on. They can-
not, however, be operated once either front door is opened.
Vehicles with a smart key system
The power windows can be operated for approximately 45 seconds even
after the engine switch is turned to ACCESSORY mode or turned o ff. They
cannot, however, be operated once either front door is opened.
■ Jam protection function
If an object becomes jammed between the window and the window f rame
while the window is closing, window movement is stopped and the window is
opened slightly.
■ Catch protection function
If an object becomes caught between the door and window while the window
is opening, window movement is stopped.

1643-5. Opening, closing the windows and moon roof
4RUNNER (U)■
When the window cannot be opened or closed
When the jam protection function or catch protection function o perates
unusually and the door window cannot be opened or closed, perfo rm the fol-
lowing operations with the power window switch of that door.
● Stop the vehicle. With the engine switch in the “ON” position
*1 or in IGNI-
TION ON mode
*2, within 4 seconds of the jam protection function or catch
protection function activating, continuously operate the power window
switch in the one-touch closing direction or one-touch opening direction so
that the door window can be opened and closed.
● If the door window cannot be opened and closed even when perfor ming the
above operations, perform the following procedure for function initialization.
Turn the engine switch to the “ON” position
*1 or to IGNITION ON
mode
*2.
Pull and hold the power window switch in the one-touch closing direction
and completely close the door window.
Release the power window switch for a moment, resume pulling the
switch in the one-touch closing direction, and hold it there for approxi-
mately 6 seconds or more.
Press and hold the power window switch in the one-touch opening direc-
tion. After the door window is completely opened, continue hold ing the
switch for an additional 1 second or more.
Release the power window switch for a moment, resume pushing th e
switch in the one-touch opening direction, and hold it there fo r approxi-
mately 4 seconds or more.
Pull and hold the power window switch in the one-touch closing direction
again. After the door window is completely closed, continue holding the
switch for a further 1 second or more.
If you release the switch while the window is moving, start aga in from the
beginning.
If the window reverses and cannot be fully closed or opened, have the vehicle
inspected by your Toyota dealer.
*1: Vehicles without a smart key system
*2: Vehicles with a smart key system
■ Door lock linked window operation
●The power windows can be opened and closed using the key or mechanical
key.
* ( P. 111, 507)
● The power windows can be opened using the wireless remote control.
*
(P. 110)
*: These settings must be customized at your Toyota dealer.
■ Customization
Settings (e.g. key linked operation) can be changed.
(Customizable features P. 545)
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2
3
4
5
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1653-5. Opening, closing the windows and moon roof
3
Operation of each component
4RUNNER (U)
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■Closing the windows
● The driver is responsible for all the power window operations, including the
operation for the passengers. In order to prevent accidental op eration,
especially by a child, do not let a child operate the power win dows. It is
possible for children and other passengers to have body parts c aught in
the power window. Also, when riding with a child, it is recomme nded to use
the window lock switch. ( P. 162)
● Check to make sure that all passengers do not have any part of their body
in a position where it could be caught when a window is being o perated.
● When using the key or mechanical key and operating the power wi ndows,
operate the power window after checking to make sure that there is no
possibility of any passenger having any of their body parts cau ght in the
window. Also do not let a child operate window by the key or me chanical
key. It is possible for children and other passengers to get ca ught in the
power window.
● When exiting the vehicle, turn the engine switch off, carry the key and exit
the vehicle along with the child. There may be accidental operation, due to
mischief, etc., that may possibly lead to an accident.
■ Jam protection function
● Never use any part of your body to intentionally activate the j am protection
function.
● The jam protection function may not work if something gets jamm ed just
before the window is fully closed. Be careful not to get any pa rt of your
body jammed in the window.
■ Catch protection function
● Never use any part of your body or clothing to intentionally activate the
catch protection function.
● The catch protection function may not work if something gets caught just
before the window is fully opened. Be careful not to get any pa rt of your
body or clothing caught in the window.

1673-5. Opening, closing the windows and moon roof
3
Operation of each component
4RUNNER (U)
From outside the vehicle (vehicles with a smart key system)
Opening (push and hold)
Closing (push and hold)
This operation can only be per-
formed when the electronic key is
within the detection range.
■ The power back window can be oper ated from inside the vehicle when
Vehicles without a smart key system
The engine switch is in the “ON” position.
Vehicles with a smart key system
The engine switch is in IGNITION ON mode.
● The power back window can be opened when the rear window wiper is
working, but the wiper stops working until the window is closed again.
If the power back window is not fully closed, the rear window w iper, washer,
and defogger will not work.
● If the back door is not fully closed, the power back window cannot be
opened using the switch located in the cabin. (It is still poss ible to close the
window.)
● If the back door is opened while the power back window is openi ng or clos-
ing, window operation will stop.
■ The power back window can be operated from outside the vehicle when
(vehicles with a smart key system)
● The engine switch is off.
● The back door is closed.
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2

1683-5. Opening, closing the windows and moon roof
4RUNNER (U)■
Operating the power back window from inside the vehicle after turning
the engine off
Vehicles without a smart key system
The power back window can be operated for approximately 45 seco nds even
after the engine switch is turned to the “ACC” or “LOCK” positi on. It cannot,
however, be operated once either front door is opened.
Vehicles with a smart key system
The power back window can be operated for approximately 45 seco nds even
after the engine switch is turned to ACCESSORY mode or turned off. It can-
not, however, be operated once either front door is opened.
■ Jam protection function
If an object becomes caught between the window and the window f rame, win-
dow travel is stopped and the window is opened slightly.
■ When the power back window does not close normally
If the jam protection function is operating abnormally and a wi ndow cannot be
closed, perform the following operations using the power back window
switch.
● Vehicles without a smart key system: After stopping the vehicle, the window
can be closed by holding the power back window switch in the on e-touch
closing position while the engine switch is turned to the “ON” position.
● Vehicles with a smart key system: After stopping the vehicle, the window
can be closed by holding the power back window switch in the on e-touch
closing position while the engine switch is turned to IGNITION ON mode.
● If the window still cannot be closed even by carrying out the operation
explained above, initialize the function by performing the foll owing proce-
dure.
Hold the power back window switch in the one-touch closing posi tion.
Continue holding the switch for a further 6 seconds after the w indow has
closed.
Hold the power back window switch in the one-touch opening position.
Continue holding the switch for a further 2 seconds after the w indow has
opened completely.
Hold the power back window switch in the one-touch closing posi tion
once again. Continue holding the switch for a further 2 seconds after the
window has closed.
If you release the switch while the window is moving, start aga in from the
beginning.
If the window continues to close but then re-open slightly even after perform-
ing the above procedure correctly, have the vehicle inspected b y your Toyota
dealer.
■ Customization
Settings (e.g. linked operation) can be changed.
(Customizable features P. 545)
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2
3

1693-5. Opening, closing the windows and moon roof
3
Operation of each component
4RUNNER (U)
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■Caution while driving
Keep the back door and back window closed while driving. If the back door
or the back window is left open, the back door may hit nearby o bjects while
driving or luggage may be unexpectedly thrown out, causing an a ccident.
In addition, exhaust gases may enter the vehicle, causing death or a seri-
ous health hazard. Make sure to close the back door and back window
before driving.
■ Closing the power back window
● The driver is responsible for power back window opening and clo sing
operations.
In order to prevent accidental operation, especially by a child , do not let a
child operate the power back window. It is possible for childre n and other
passengers to have body parts caught in the power back window.
● Check to make sure that all passengers do not have any part of their body
in a position where it could be caught when a window is being o perated.
● When using the wireless remote control or key and operating the power
back window, operate the power back window after checking to ma ke sure
that there is no possibility of any passenger having any of the ir body parts
caught in the power back window. Also, do not let a child operate power
back window by the wireless remote control or key. It is possible for chil-
dren and other passengers to get caught in the power back windo w.
● When exiting the vehicle, turn the engine switch off, carry the key and exit
the vehicle along with the child. There may be accidental operation, due to
mischief, etc., that may possibly lead to an accident.
■ Jam protection function
● Never use any part of your body to intentionally activate the j am protection
function.
● The jam protection function may not work if something gets caught just
before the window fully closes.

1713-5. Opening, closing the windows and moon roof
3
Operation of each component
4RUNNER (U)
■The moon roof can be operated when
Vehicles without a smart key system
The engine switch is in the “ON” position.
Vehicles with a smart key system
The engine switch is in IGNITION ON mode.
■ Operating the moon roof after turning the engine off
Vehicles without a smart key system
The moon roof can be operated for approximately 45 seconds even after the
engine switch is turned to the “ACC” or “LOCK” position. They c annot, how-
ever, be operated once either front door is opened.
Vehicles with a smart key system
The moon roof can be operated for approximately 45 seconds afte r the
engine switch is turned to ACCESSORY mode or turned off. It can not, how-
ever, be operated once either front door is opened.
■ Jam protection function
If an object is detected between the moon roof and the frame wh ile the moon
roof is closing or tilting down, travel is stopped and the moon roof opens
slightly.
■ To reduce moon roof wind noise
When the moon roof is opened automatically, it will stop slightly before the
fully open position. Driving with the moon roof in this position can help reduce
wind noise.
■ Sunshade
The sunshade can be opened and closed manually. However, the su nshade
will open automatically when the moon roof is opened.

1723-5. Opening, closing the windows and moon roof
4RUNNER (U)■
When the moon roof does not close normally
Perform the following procedure:
●If the moon roof closes but then re-opens slightly
Stop the vehicle.
Press and hold the “SLIDE (open/close)” switch in the close position.
*1
The moon roof will close, reopen and pause for approximately 10 sec-
onds.
*2 Then it will close again, tilt up and pause for approximately 1 sec-
ond. Finally, it will tilt down, open and close.
Check to make sure that the moon roof is completely closed and then
release the switch.
● If the moon roof tilts down but then tilts back up
Stop the vehicle.
Press and hold the “UP” switch
*1 until the moon roof moves into the tilt
up position and stops.
Release the “UP” switch once and then press and hold the “UP” s witch
again.
*1
The moon roof will pause for approximately 10 seconds in the tilt up posi-
tion.
*2 Then it will adjust slightly and pause for approximately 1 second.
Finally, it will tilt down, open and close.
Check to make sure that the moon roof is completely closed and then
release the switch.
*1: If the switch is released at the incorrect time, the procedure will have to
be performed again from the beginning.
*2: If the switch is released after the above mentioned 10 second pause, automatic operation will be disabled. In that case, press and h old the
“UP” or “DOWN” switch, and the moon roof will tilt up and pause for
approximately 1 second. Then it will tilt down, open and close. Check to
make sure that the moon roof is completely closed and then release the
switch.
If the moon roof does not fully close even after performing the above proce-
dure correctly, have the vehicle inspected by your Toyota deale r.
■ Moon roof open reminder function
An alarm will sound when the driver’s door is opened with the m oon roof not
fully closed and the engine switch off.
■ Door lock linked moon roof operation
●The moon roof can be opened and closed using the key or mechani cal key.
*
(P. 111, 507)
● The moon roof can be opened using the wireless remote control.
*
( P. 110)
*: These settings must be customized at your Toyota dealer.
1
2
3
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2
3
4

1733-5. Opening, closing the windows and moon roof
3
Operation of each component
4RUNNER (U)■
Customization that can be configured at Toyota dealer
Settings (e.g. key linked operation) can be changed.
(Customizable features P. 545)
WARNING
Observe the following precautions.
Failure to do so may cause death or serious injury.
■Opening the moon roof
● Do not allow any passengers to put their hands or heads outside the vehi-
cle while it is moving.
● Do not sit on top of the moon roof.
■ Closing the moon roof
● The driver is responsible for moon roof opening and closing ope rations.
In order to prevent accidental operation, especially by a child , do not let a
child operate the moon roof. It is possible for children and ot her passen-
gers to have body parts caught in the moon roof.
● Check to make sure that all passengers do not have any part of their body
in a position where it could be caught when the moon roof is being oper-
ated.
● When using the key or mechanical key and operating the moon roof, oper-
ate the moon roof after checking to make sure that there is no possibility of
any passenger having any of their body parts caught in the moon roof.
Also, do not let a child operate moon roof by the key or mechan ical key. It
is possible for children and other passengers to get caught in the moon
roof.
● When exiting the vehicle, turn the engine switch off, carry the key and exit
the vehicle along with the child. There may be accidental operation, due to
mischief, etc., that may possibly lead to an accident.
■ Jam protection function
● Never use any part of your body to intentionally activate the j am protection
function.
● The jam protection function may not work if something gets caught just
before the moon roof fully closes.