2021 TOYOTA 4RUNNER ECU

372-2. Connectivity settings
2
Basic function
4RUNNER_NAVI_(U)
5Select the desired Bluetooth®
device.
 If the desired Bluetooth
®
phone is not on the list, select
“If you cannot find...” and fol-
low the guidance on the
screen. ( P. 3 8 )
6 Register the Bluetooth
®
device using your Blue-
tooth
® device.
 For details about operating
the Bluetooth
® device, see
the manual that comes with it.
 A PIN code is not required for
SSP (Secure Simple Pairing)
compatible Bluetooth
®
devices. Depending on the
type of Bluetooth
® device
being connected, a message
confirming registration may
be displayed on the Blue-
tooth
® device’s screen. Respond and operate the
Bluetooth
® device according
to the confirmation message.
7 Check that the following
screen is displayed, indicat-
ing pairing was successful (a
Bluetooth
® link has been
established but registration is
not yet complete).
 The system is connecting to
the registered device.
 At this stage, the Bluetooth
®
functions are not yet avail-
able.
8 Check that “Connected” is
displayed and registration is
complete.
 If an error message is dis-
played, follow the guidance
on the screen to try again.
●If a cellular phone does not oper-
ate properly after being con-

382-2. Connectivity settings
4RUNNER_NAVI_(U)nected, turn the cellular phone off
and on and then c
onnect it again.
■Registering from phone
1 Select “If you cannot find…”.
2 Select “Register from
Phone”.
3 Check that the following
screen is displayed, and reg-
ister the Bluetooth
® device
using your Bluetooth
®
device.
 For details about operating
the Bluetooth
® device, see
the manual that comes with it.
 A PIN code is not required for SSP (Secure Simple Pairing)
compatible Bluetooth
®
devices. Depending on the
type of Bluetooth
® device
being connected, a message
confirming registration may
be displayed on the Blue-
tooth
® device’s screen.
Respond and operate the
Bluetooth
® device according
to the confirmation message.
4 Follow the steps in “Register-
ing a Bluetooth
® phone for
the first time” from step 7.
( P.36)
To use the Bluetooth
® audio, it is
necessary to register an audio
player with the system.
Once the player has been regis-
tered, it is possible to use the
Bluetooth
® audio.
This operation cannot be per-
formed while driving.
For details about registering a
Bluetooth
® device:  P. 4 3
1 Turn the Bluetooth
® connec-
tion setting of your audio
player on.
 This function is not available
when the Bluetooth
® connec-
tion setting of your audio
Registering a Bluetooth®
audio player for the first
time

482-2. Connectivity settings
4RUNNER_NAVI_(U)
*: Vehicles equipped with DCMThis function is not available in
some countries or areas.
1 Enable the Wi-Fi® hotspot
function. ( P. 4 9 )
2 Disable the “Hide Access
Point” function. ( P.49)
3 Search for the vehicle access
point using the device you
wish to connect.
 For details about operating the device, refer to the docu-
mentation which came with it.
4 Operate the device to con-
nect it to the vehicle access
point.
 To check the vehicle access
point password, check “Pass-
word”. ( P. 4 9 )
●Hints for connecting to the vehicle
via Wi-Fi® can be displayed.
(  P. 4 9 )
1 Enable the Wi-Fi® hotspot
function. ( P. 4 9 )
2 Enable the “Hide Access
Point” function. ( P. 4 9 )
3 Enter the access point name
(SSID) into the device you
wish to connect and connect
it.
 To check the vehicle access
point password, check “Pass-
word”. ( P. 4 9 )
 The security settings on the
device must be the same as
that displayed for “Security”.
( P.49)
 For details about operating
the device, refer to the docu-
mentation which came with it.
Wi-Fi® Hotspot*
By connecting a device to
the vehicle via Wi-Fi
®, it can
access the internet through
the DCM (Data Communica-
tion Module).
 To use this function, a
Wi-Fi
® hotspot service sub-
scription from AT&T is
required. Connect your
device to the in-vehicle
access point (see instruc-
tions below), or contact the
Customer Experience Cen-
ter at 1-800-331-4331 for
assistance.
Connecting a device to
the in-vehicle access
point
Searching for and con-
necting a device to the
vehicle access point
Connecting a device to the
in-vehicle access point
using the access point
name (SSID)

492-2. Connectivity settings
2
Basic function
4RUNNER_NAVI_(U)
1Press the “MENU” button.
2 Select “Setup”.
3 Select “Wi-Fi
*”.
*:Wi-Fi® is a registered trademark
of Wi-Fi Alliance
®.
4 Select the desired item to be
set.
Select to enable/disable the
Wi-Fi
® hotspot function.
( P. 5 0 ) Select to check/change the
access point password.
(
P.50)
Select to display hints for
connecting to the vehicle via
Wi-Fi
®.
Select to make the access
point searchable/unsearch-
able.
Select to check/change the
security protocol of the
access point (for authentica-
tion and encryption). ( P.51)
Select to change the access
point name (SSID). ( P.51)
Select to change the Wi-Fi
®
connection channel (within
the 2.4GHz frequency band).
( P.51)
●If any settings have been
changed, it will be necessary to
reset the Wi-Fi
® system to com-
plete the changes. To reset the
Wi-Fi
® system, select “Yes” on the
pop-up displayed after changing
the settings.
Changing the Wi-Fi® set-
tings
A
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512-2. Connectivity settings
2
Basic function
4RUNNER_NAVI_(U)
1Select “Security”.
2 Select the desired security
protocol.
1 Select “Access Point Name”.
2 Enter the desired access
point name (SSID) and select
“OK”.
1 Select “Channel”.
2 Check that the following
screen is displayed.
Select to change the chan-
nel selection to auto-
matic/manual.
When “Manual” is selected,
select to change the channel. 1
Set “Select Channel” to
“Manual”.
2 Select “Channel Number”.
3 Enter the desired channel
number and select “OK”.
 Channels 1 through 11 can be
selected.
●If a connected device is taken out
of the Wi-Fi® connection area, the
connection will be severed.
●If the vehicle is d riven out of the
cellular communic ation coverage
area, connecting to the internet
via the Wi-Fi
® hotspot will not be
possible.
●If a Bluetooth® device is used
while a device is connected using
the Wi-Fi
® hotspot function, the
communication speed may
decrease.
●If the vehicle is near a radio
antenna, radio station or other
source of strong radio waves and
electrical noise, communication
may be slow or impossible.
Changing the security pro-
tocol
Changing the access point
name (SSID)
Selecting a Wi-Fi
® connec-
tion channel
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●Use Wi-Fi® devices only when
safe and legal to do so.

522-2. Connectivity settings
4RUNNER_NAVI_(U)
The condition of Wi-Fi® connec-
tion appears on the right upper
side of the screen. ( P. 1 6 )
 Communication standards
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n (2.4GHz)
 Security
WPA™
WPA2™
• WPA™ and WPA2™ are trade- marks of Wi-Fi Alliance
®.WA R N I N G
●Your audio unit is fitted with
Wi-Fi® antennas. People with
implantable cardiac pacemak-
ers, cardiac resynchronization
therapy-pacemakers or implant-
able cardioverter defibrillators
should maintain a reasonable
distance between themselves
and the Wi-Fi
® antennas.
The radio waves may affect the
operation of such devices.
●Before using Wi-Fi® devices,
users of any electrical medical
device other than implantable
cardiac pacemakers, cardiac
resynchronization ther-
apy-pacemakers or implantable
cardioverter defib rillators should
consult the manufacturer of the
device for information about its
operation under the influence of
radio waves.
Radio waves could have unex-
pected effects on the operation
of such medical devices.
Conditions displayed with
Wi-Fi
® icon
Specifications

572-3. Apple CarPlay/Android Auto
2
Basic function
4RUNNER_NAVI_(U)
If you are experiencing difficulties with Apple CarPlay/Android Auto,
check the following table.
Troubleshooting
SymptomSolution
An Apple Car-
Play/Android Auto con-
nection cannot be
established.
Check if the device supports Apple CarPlay/
Android Auto.
Check if Apple CarPl ay/Android Auto is
enabled on the connected device.
Check if that the Androi d Auto application is
installed to the device to be connected.
For details, refer to
Apple CarPlay: https: //www.apple.com/ios/
carplay/.
Android Auto: https://w ww.android.com/auto/
.
For available countries or areas for Apple Car-
Play, refer to https://w ww.apple.com/ios/
feature-availability/#apple-carplay.
Check if “Apple CarPla y”/“Android Auto” of
“Projection Settings” on the general settings
screen is set to on. ( P. 6 0 )
Check if the USB cable be ing used is securely
connected to the device and USB port.
Check that the device is connected directly to
the USB port of the system and not connected
to a USB hub.
For Apple CarPlay: Check if the Lightning cable
being used is certified by Apple and check if Siri
is enabled.
After checking all of the above, try to establish
an Apple CarPlay/Android Auto connection.
(  P.53, 54)
When an Apple CarPlay/
Android Auto connection
is established and a video
is being played, the video
is not displayed, but audio
is output through the sys-
tem.
As the system is not designed to play video
through Apple CarPlay/Android Auto, this is not
a malfunction.

682-4. Other settings
4RUNNER_NAVI_(U)
Select to enter the name of a
dealer member. (P. 6 8 )
Select to set the location.
( P. 6 8 )
Select to enter the phone
number. ( P.68)
Select to delete the dealer
information displayed on the
screen.
Select to set the displayed
dealer as a destination.
( P. 9 1 )
1 Select “Dealer” or “Contact”.
2 Enter the name and select
“OK”.
1 Select “Location”.
2 Scroll the map to the desired
point ( P.74) and select
“Enter”.
1 Select “Phone #”.
2 Enter the phone number and
select “OK”. The security system can be set
to on by entering a security code
(4-digit number).
When set to on, the system will
become inoperative once the
electrical power source is dis-
connected until the security
code is entered.
1
Display the vehicle settings
screen. ( P. 6 6 )
2 Select “Valet Mode”.
3 Enter the 4-digit personal
code and select “OK”.
4 Enter the same 4-digit per-
sonal code again and select
“OK”.
 The system will request that
you input the security code
again to confirm that you
remember it correctly.
 When valet mode activates,
the system stops and a secu-
rity code (4-digit number)
standby screen is displayed.
●If the 4-digit personal code is for-
gotten, please contact your Toyota
dealer.
Editing dealer or contact
name
Editing the location
Editing phone number
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