2021 TOYOTA PRIUS ECU

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BASIC FUNCTION
2
2. CONNECTIVITY SETTINGS
1. REGISTERING/CONNECTING Bluetooth® DEVICE
1Turn the Bluetooth® connection setting
of your cellular phone on.
 This function is not available when
Bluetooth® connection setting of your cel-
lular phone is set to off.
2Press the “MENU” button.
3Select “Phone” .
Operations up to this point can also be
performed by pressing the switch on
the steering wheel.
4Select “Yes” to register a phone.
5When this screen is displayed, search
for the device name displayed on this
screen on the screen of your
Bluetooth
® device.
For details about operating the Bluetooth®
device, see the manual that comes with it.
 To cancel the registration, select
“Cancel” .
6Register the Bluetooth® device using
your Bluetooth
® device.
 A PIN-code is not required for SSP
(Secure Simple Pairing) compatible
Bluetooth
® devices. Depending on the
type of Bluetooth® device being con-
nected, a message confirming registra-
tion may be displayed on the Bluetooth
®
device’s screen. Respond and operate the
Bluetooth® device according to the confir-
mation message.
REGISTERING A Bluetooth®
PHONE FOR THE FIRST TIME
To use the hands-free system, it is
necessary to register a Bluetooth
®
phone with the system.
Once the phone has been registered, it
is possible to use the hands-free sys-
tem.
This operation cannot be performed
while driving.
For details about registering a
Bluetooth
® device: P.59
When an Apple CarPlay connection is
established, Bluetooth
® functions of
the system will become unavailable
and any connected Bluetooth
® devices
will be disconnected.

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2. CONNECTIVITY SETTINGS
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For details about operating the Bluetooth®
device, see the manual that comes with it.
 To cancel the registration, select
“Cancel” .
4Register the Bluetooth® device using
your Bluetooth
® device.
 A PIN-code is not required for SSP
(Secure Simple Pairing) compatible
Bluetooth
® devices. Depending on the
type of Bluetooth® device being con-
nected, a message confirming registra-
tion may be displayed on the Bluetooth
®
device’s screen. Respond and operate the
Bluetooth® device according to the confir-
mation message.
5Check that the screen is displayed
when registration is complete.
 The system waits for connection requests
coming from the registered device.
 At this stage, the Bluetooth
® functions are
not yet available.
6Check that “Connected” is displayed
and registration is complete.
 If displayed, select “OK” to complete the
registration process.
 If an error message is displayed, follow
the guidance on the screen to try again.
1Display the “Bluetooth* Setup” screen.
( P.58)
2Select “Remove” .
3Select the desired device.
4Select “Yes” when the confirmation
screen appears.
5Check that a confirmation screen is
displayed when the operation is com-
plete.
*: Bluetooth is a registered trademark of Bluetooth SIG, Inc.
DELETING A Bluetooth®
DEVICE
INFORMATION
● When deleting a Bluetooth® phone, the
contact data will be deleted at the same
time.

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2. CONNECTIVITY SETTINGS
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TROUBLESHOOTING
If you are experiencing difficulties with Apple CarPlay, check the following table.
SymptomSolution
An Apple CarPlay connection
cannot be established.
Check if the device supports Apple CarPlay.
Check if Apple CarPlay is enabled on the connected device.
For details, refer to https://www.apple.com/ios/carplay/
.
Check if “Apple CarPlay” on the “Projection Settings”
screen is set to on. ( P.74)
Check if the Lightning cable bei ng used is certified by Apple
Inc., and if it is securely connected to the device and USB
port.
When the iPhone is connected using a USB hub, etc., an
Apple CarPlay connection may not be established. Connect
the lightning cable to USB the port directly.
After checking all of the above, t ry to establish an Apple Car-
Play connection. ( P.68)
When an Apple CarPlay connec-
tion is established and a video is
being played, the video is not dis-
played, but audio is output
through the system.
As the system is not designed to play video through Apple
CarPlay, this is not a malfunction.
Although an Apple CarPlay con-
nection is established, audio is
not output through the system.The system may muted or the volume may be low. Increase
the system volume.
The Apple CarPlay screen has
artifacts and/or audio from Apple
CarPlay has noise.
Check if the Lightning cable being used to connect the de-
vice to the system is damaged.
To check if the Lightning cable is damaged internally, con-
nect the device to another system, such as a PC, and check
if the device is recognized by the connected system. (The
device should begin char ging when connected.)
After checking all of the above, t ry to establish an Apple Car-
Play connection. ( P.68)
The map display of the Apple
CarPlay Maps app cannot be en-
larged or contracted with pinch
multi-touch gestures.As the Apple CarPlay Maps app is not compatible with pinch
multi-touch gestures, this is not a malfunction.

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2. RADIO OPERATION
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IF THE SATELLITE RADIO TUNER MALFUNCTIONS
When problems occur with the XM tuner, a message will appear on the screen. Re-
ferring to the table below to identify the problem, take the suggested corrective ac-
tion.
MessageExplanation
“Ck Antenna”
The XM antenna is not connected. Check whether the XM antenna
cable is attached securely.
A short circuit occurs in the antenna or the surrounding antenn a ca-
ble. See a Toyota certified dealer for assistance.
“Ch Unauth”
You have not subscribed to XM Satellite Radio. The radio is bei ng
updated with the latest encryption code. Contact XM Satellite R adio
for subscription information. When a contract is canceled, you can
choose “Ch 000” and all free-to-air channels.
The premium channel you selected is not authorized. Wait for ab out
2 seconds until the radio returns to the previous channel or “C h 001”.
If it does not change automatically, select another channel. To listen
to the premium channel, contact XM Satellite Radio.
“No Signal”The XM signal is too weak at the current location. Wait until y our ve-
hicle reaches a location with a stronger signal.
“Loading...”The unit is acquiring audio or program information. Wait until the unit
has received the information.
“Ch Off Air”The channel you selected is not b roadcasting any programming. Se-
lect another channel.
-----There is no song/program title or artist name/feature associate d with
the channel at that time. No action is required.
“Ch Unavail”
The channel you selected is no longer available. Wait for about 2
seconds until the radio returns to the previous channel or “Ch 001”.
If it does not change automatic ally, select another channel.

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1. PHONE OPERATION (HANDS-FREE SYSTEM FOR CELLULAR PHONES)
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1Display the phone top screen.
(P.170)
2Select the “Contacts” tab and select
the desired contact.
3Select the desired number.
4Check that the “Call” screen is dis-
played.
INFORMATION
● When making a call to the same number
continuously, only the most recent call is
listed in call history.
● When a phone number registered in the
contact list is received, the name is dis-
played.
● Number-withheld calls are also memo-
rized in the system.
● International phone calls may not be
made depending on the type of cellular
phone you have.
● The list should group together consecu-
tive entries with the same phone number
and same call type. For example, two
calls from Kay Rowles’s mobile would
be displayed as follows: Kay Rowles (2)
● By pressing the switch on the
steering wheel, a call to the latest history
item can be made.
BY CONTACTS LIST
Calls can be made by using contact
data which is transferred from a regis-
tered cellular phone. ( P.173)
Up to 2500 contacts (maximum of 4
phone numbers and e-mail addresses
per contact) can be registered in the
contact list.

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3. WHAT TO DO IF...
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In other situations
: For details, refer to the owner’s manual that came with the c ellular phone.
SymptomLikely causeSolution
Page
Cellular
phoneThis
system
The Bluetooth® con-
nection status is dis-
played at the top of
the screen each time
the power switch is in
ACCESSORY or ON
mode.
Connection confir-
mation display on
this system is set to
on.To turn off the display,
set connection confir-
mation display on this
system to off.
64
Even though all con-
ceivable measures
have been taken, the
symptom status does
not change.
The cellular phone
is not close enough
to this system.Bring the cellular
phone closer to this
system.

The cellular phone
is the most likely
cause of the symp-
tom.
Turn the cellular phone
off, remove and rein-
stall the battery pack,
and then restart the
cellular phone.

Enable the cellular
phone’s Bluetooth®
connection.

Stop the cellular
phone’s security soft-
ware and close all ap-
plications.

Before using an appli-
cation installed on the
cellular phone, careful-
ly check its source and
how its operation might
affect this system.
