AUDIO AND VISUAL SYSTEM

FUNCTION OF MAIN COMPONENTS

Component	Function
Multi-display12	Displays image information received from the radio receiver assembly.
Radio Receiver Assembly	Plays back audio from each audio source, such as radio, CD and Bluetooth audio. Sends image information such as the audio source screen and setting screen to the multi-display. Sends audio signals from each audio source to the speakers.3 Sends audio signals from each audio source to the stereo component amplifier assembly.4 Sends status information of each audio source to the combination meter assembly. *5
Lexus Display Audio Controller (Remote Operation Board)*1	Sends operation signals to the radio receiver assembly.
Remote Touch*2	Sends operation signals to the radio receiver assembly. Provides feedback force to the remote touch knob according to signals received from the radio receiver assembly.
Rear Spoiler Sub-assembly - AM - FM Main	Receives radio broadcasting signals (AM/FM Main).
Window Glass Antenna Wire (Rear) - FM-sub	Receives radio broadcasting signals (FM-sub).
No. 2 Amplifier Antenna Assembly	Amplifies radio broadcasting signals from the radio antenna and sends them to the radio receiver assembly.
Window Glass Antenna Wire (Front) - DAB*6	Receives radio broadcasting signals (DAB).
No. 1 Amplifier Antenna Assembly*6	Amplifies DAB signals from the DAB antenna and sends them to the radio receiver assembly.
Window Glass Antenna Wire (Front) - Digital TV*7	Receives radio broadcasting signals (digital TV).
Television Antenna Assembly*7	Amplifies digital TV signals from the digital TV antenna and sends them to the radio receiver assembly.
Steering Pad Switch Assembly	Sends operation signals, such as volume switch, mode switch, seek switch operation, to the spiral cable with sensor sub-assembly.
Spiral Cable with Sensor Sub-assembly	Sends operation signals from the steering pad switch assembly to the radio receiver assembly.
No. 1 Stereo Jack Adapter Assembly	Sends audio signals to the radio receiver assembly when an auxiliary device is connected.8 Sends audio and/or video signals to the radio receiver assembly when an auxiliary device is connected.1*2 Communicates with the radio receiver assembly via a USB communication line when a USB memory device, portable audio player (USB type) or Apple product is connected.
Map Light Assembly	Houses the telephone microphone assembly.
Telephone Microphone Assembly	Recognizes speech during a hands-free call or voice recognition system operation and sends the audio signal to the radio receiver assembly or telematics transceiver (data communication module)*9.
Combination Meter Assembly	Sends vehicle speed signals to the radio receiver assembly, stereo component amplifier assembly4 or telematics transceiver (data communication module)9. Displays information such as audio status information received from the radio receiver assembly on the multi-information display.5 Sends operation signals to the radio receiver assembly when the audio system is operated via the multi-information display.5
Stereo Component Amplifier Assembly*4	Amplifies audio signals sent from the radio receiver assembly and sends them to the speakers.
Telematics Transceiver (Data Communication Module)*9	Sends a part of audio signals sent from the radio receiver assembly to the speakers. Sends microphone voice signals sent from the telephone microphone assembly to the radio receiver assembly.

*1: Models with Lexus display audio system
*2: Models with navigation system
*3: Models with 6-speaker system
*4: Models with 10-speaker system or 13-speaker system
*5: Models with color type multi-information display
*6: Models with digital audio broadcast (DAB) tuner
*7: Models with digital TV tuner
*8: Models with 6-speaker sound system
*9: Models with G-BOOK system

FUNCTION

Bluetooth Audio System

The functions of the Bluetooth audio system that can be used vary with the version of the Audio/Video Remote Control Profile (AVRCP) supported by the Bluetooth audio player that is being used.

The available Bluetooth audio system functions differ in accordance with each Audio/Video Remote Control Profile (AVRCP) as follows:

Function	Outline	Audio/Video Remote Control Profile (AVRCP)
Function	Outline	Version 1.0	Version 1.3	Version 1.4 or higher
Play	Starts playing the music.	X	X	X
Stop	Stops playing the music.	X	X	X
Pause	Pauses the music.	X	X	X
Track Up/Down	Changes the track.	X	X	X
Fast Up/Down	Fast-forwards or reverses.	X	X	X
Album Up/Down	Changes the album.	-	X	X
Repeat (Single Repeat)	Repeats the selected music.	-	X	X
Random (All Track Random)	Plays all the music in the portable audio device at random.	-	X	X
Scan (All Track Scan)	Scans all the music in the portable audio device.	-	X	X
Music Information	Shows track number, playtime, track name, artist name and album name.	-	X	X
Remaining Battery Level	Shows the remaining battery level of the Bluetooth audio player.	-	X	X
Music List	Shows the music list.	-	-	X

X: Applicable
-: Not applicable

The functions of the Bluetooth audio system are shown in the following table:

Function		Outline
Set Bluetooth Audio Player	Registering a Bluetooth Audio Player	In order to use the Bluetooth audio system with a Bluetooth audio player, it is necessary to register it to the audio head unit. Once a Bluetooth audio player is registered, the Bluetooth audio system connects automatically. The user can register up to 21 or 52, *3 Bluetooth audio players.
	Deleting a Bluetooth Audio Player	The user can delete a Bluetooth audio player.
	Connecting a Bluetooth Audio Player	Enables the user to select whether to connect to a Bluetooth audio player automatically or manually. If a Bluetooth audio player has been registered and automatic connection is enabled, the Bluetooth audio player will be connected automatically.
Change Settings of Bluetooth Audio	Selecting a Bluetooth Audio Player	If the user has registered a second Bluetooth audio player, either one can be selected for connection.
	Displaying a Bluetooth Audio Player*2	The user can view the information of the Bluetooth audio player on the system.
	Changing the Connection Method*2	Enables the user to select the connection method. With this function, the user determines whether to make a connection from the audio head unit to the Bluetooth audio player or from the Bluetooth audio player to the audio head unit.
	Displaying the Bluetooth Audio Setting	The user can see the Bluetooth audio information settings on the system.
	Changing the Device Name or Passcode	The user can change a device name or a passcode.
	Initializing the Bluetooth Audio Settings	The user can initialize the settings.

*1: Models with 6-speaker sound system
*2: Models with Lexus display audio system or navigation system
*3: The maximum number of Bluetooth devices that can be registered (including Bluetooth phones and Bluetooth audio players).

Bluetooth Hands-free System

Bluetooth is a short-distance, high-speed wireless data communication system that uses the 2.4 GHz frequency band prescribed by the Bluetooth SIG (Special Interest Group).
This system enables drivers to place or receive phone calls without operating a cellular phone.
The Bluetooth hands-free system is included in the audio head unit.

The major hands-free functions are shown in the following table:

Function			Audio System
Function			6-speaker Sound System	Lexus Display Audio System	Navigation System
Calling with Bluetooth Phone	By Dial Pad		X	X	X
	By Contacts		X*1 (20 Items)	X*2 (2500 Items)	X*2 (2500 Items)
	By Call History*3		X (5 Items)	X 45 Items4/30 Items5	X 45 Items4/30 Items5
	By Call History*3	Dialed Number	X (5 Items)	X6 (15 Items4/10 Items*5)	X6 (15 Items4/10 Items*5)
		Received Call	X (5 Items)	X6 (15 Items4/10 Items*5)	X6 (15 Items4/10 Items*5)
		Missed Call	-	X6 (15 Items4/10 Items*5)	X6 (15 Items4/10 Items*5)
		All Call History	-	X	X
	By Speed Dial*3		X (6 Items)	-	-
	By Favorites*3		-	X (15 Items)	X (15 Items)
	By Voice Recognition*3	Dialing by Name	-	X*7	X*8
		Dialing by Phone Number	-	X*7	X*8
		Dialing by Voice Tag	X*9	X*10	X*11
	112 Emergency Call*3		-	-	X*4
	By Point Of Interest (POI) Call		-	-	X
	By Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail	Reception Screen*3	-	X*12	X*13
		Mail Screen*3	-	X*12	X*13
		Text Messages	-	X*12	X*13
Receive with Bluetooth Phone/Talk on Bluetooth Phone	Receiving Call*3	Received Manually	X	X	X
	Receiving Call*3	Refused	X	X	X
	Interrupt Call*3		X	X	X
	Tone Sending	By Dial	-	X	X
	Tone Sending	By Registered Number*3	X	X	X
Receive and Reply Message with Bluetooth Phone	Receive Message*3		-	X*12	X*13
Receive and Reply Message with Bluetooth Phone	Replying (Quick Reply)*3		-	X*12	X*13
Recognition/Connection	Registering Bluetooth Phone		X (6 Bluetooth Phones)	X (5 Bluetooth Phones)	X (5 Bluetooth Phones)
	Connecting Bluetooth Phone	Connected Automatically*3	X	X	X
	Connecting Bluetooth Phone	Connected Manually*3	X	X	X
Setting	Setting Automatic Connection		-	X	X

X: Operates
-: Not applicable
*1: A total of 20 items can be registered regardless of the number of Bluetooth phones registered.
*2: It is possible to have up to 2500 items per telephone (Bluetooth phone).
*3: Can be performed while driving.
*4: Models for Europe
*5: Except models for Europe
*6: Except models for Australia and China
*7: Models for Australia
*8: Models for Europe, Australia and China and destination package for South Africa
*9: Models for Europe and Australia
*10: Except models for Australia
*11: Except models for Europe, Australia and China and destination package for South Africa
*12: Models for Europe and Australia
*13: Models for Europe and Australia and destination package for South Africa

The hands-free functions of the 6-speaker sound system are shown in the following table. However, for safety, some functions may not be selectable when the vehicle is being driven.

Function			Outline
Calling with a Bluetooth Phone	By Contacts		The user can make a call by using the contact data that has been transferred from the connected cellular phone. The user can register up to 20 items in the contact list.
	By Call History*1	Dialed Number	The user can make a call by selecting a previously dialed number. The system remembers up to 5 dialed numbers. If more than 5 numbers have been dialed, the oldest number will no longer be remembered.
	By Call History*1	Received Call	The user can make a call by selecting the telephone number of a received call. When a call is received, the system will remember the last 5 numbers. If more than 10 calls have been received, the oldest number will no longer be remembered.
	By Speed Dial*1		The user can make a call using a registered phone number by pressing the function buttons (1 to 6) of the radio receiver assembly.
	By Voice Recognition (Dialing by Voice Tag)1, 2		The user can make a call by saying a registered voice tag.
Receiving a Call using a Bluetooth Phone*1			When a call is received, the phone number or registered caller name is displayed on the radio receiver assembly with a sound.
Talking on a Bluetooth Phone*1			While the user is talking on the phone, the phone number or registered caller name is displayed on the radio receiver assembly.
Changing Bluetooth Phone Settings	Volume Settings		The user can set the volume.
	Contact List Settings		Transferring a telephone number: The user can transfer telephone numbers from the Bluetooth phone to the system.
			Registering the telephone number: Up to 20 items can be registered in the contact list. The user can register phone numbers using the following methods: Using dialed numbers and received calls. Inputting phone numbers using the menu control buttons of the radio receiver assembly.
			Deleting speed dial: The user can delete the speed dials registered to the function buttons (1 to 6) of the radio receiver assembly.
Setting a Bluetooth Phone	Bluetooth Phone Registration		In order to use the hands-free function of a Bluetooth phone, it is necessary to register it in the radio receiver assembly. Once a Bluetooth phone is registered, it hands-free function connects automatically. The user can register up to 6 Bluetooth phones.
	Bluetooth Phone Selection		When 2 or more registered Bluetooth phones are in the cabin, it is necessary to select which phone to use to prevent the lines from being crossed. Only the selected phone is available for use as a hands-free phone. The phone registered last is automatically selected.
	Bluetooth Information Confirmation		The user can check the information of the Bluetooth phone on the radio receiver assembly.
	Changing the Passkey		The user can change the passkey of the radio receiver assembly.
	Deleting a Bluetooth Phone		The user can delete a registered Bluetooth phone.

*1: Can be operated while driving.
*2: Models for Europe

The hands-free functions of the Lexus display audio system are shown in the following table. However, for safety, some functions may not be selectable when the vehicle is being driven.

Function			Outline
Calling with a Bluetooth Phone	By Dial Pad		The user can make a call by inputting a telephone number.
	By Contacts		The user can make a call by using the contact data that has been transferred from the user's cellular phone. The user can register up to 2500 items in the contact list.
	By Call History*1		The user can make a call by selecting a telephone number from all call history. However, the number of telephone numbers in the call history that the user can use is limited while driving.
	By Call History12	Dialed Number	The user can make a call by selecting a previously dialed number. The system will remember up to 153/104 dialed numbers. If more than 153/104 calls have been made, the oldest number will be overwritten by the new number.
		Received Call	The user can make a call by selecting a received call number. The system will remember up to 153/104 received call numbers. If more than 153/104 calls have been received, the oldest number will be overwritten by the new number.
		Missed Call	The user can make a call by selecting a missed call number. The system will remember up to 153/104 missed call numbers. If more than 153/104 calls have been missed, the oldest number will be overwritten by the new number.
		All Call History	The user can make a call by selecting a telephone number from all call history. However, the number of telephone numbers in the call history that the user can use is limited while driving.
	By Favorites*1		The user can make a call by using a registered contact selected from the contact list, dialed numbers or received calls.
	By Voice Recognition (Dialing by Name)15		The user can make a call by saying a name registered in the contact list.
	By Voice Recognition (Dialing by Phone Number)15		The user can make a call by saying a desired number.
	By Voice Recognition (Dialing by Voice Tag)16		The user can make a call by saying a registered voice tag.
	By Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail (reception screen)17		The user can make a call by operating a switch when "Call" or the off hook icon is displayed on the incoming message screen.
	By Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail (mail screen)17		The user can make a call by operating a switch when the off hook icon is displayed on the mail screen.
	By Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail (text messages)*7		The user can make a call by operating a switch when a telephone number is displayed in blue in a text message.
Receiving a Call using a Bluetooth Phone*1			When a call is received, the incoming call screen is displayed with a sound.
Talking on a Bluetooth Phone*1			While the user is talking on the phone, the talking screen is displayed.
Changing Bluetooth Phone Settings	Favorites Registration		The user can register contacts, dialed numbers or received calls. Up to 15 favorite contacts can be registered.
	Volume Settings		The user can set the volume.
	Contact List Settings		Transferring a telephone number: The user can transfer telephone numbers from the Bluetooth phone to the system. Up to 2500 items (up to 4 numbers and 4 e-mail addresses per entry) can be registered in the contact list.
			Automatically transferring a telephone number: When a PBAP compatible phone is connected, the phonebook data of the phone can be automatically transferred.
			Registering phone numbers: The user can register phone numbers in the contact list.*8
			Adding data to the contact list: The user can add data to the contact list.*8
			Editing data: The user can edit the registered data.*8
			Deleting data: The user can delete the data.*8
	Screen Settings		Receiving call display: The user can change the receiving call display setting.
			Contact data and call history data transfer condition: The user can select whether a message is displayed or not after contact data and call history data are transferred.
			The Bluetooth connection status at startup: When the power switch is turned on (ACC) or on (IG) and a Bluetooth phone is automatically connected, the connection check will be displayed.
			Initializing the settings: The user can initialize the settings.
Registering and selecting a Bluetooth phone	Bluetooth Phone Registration		In order to use the hands-free function of a Bluetooth phone, it is necessary to register it in the radio receiver assembly. Once a phone is registered, the hands-free function connects automatically. The user can register up to 5 Bluetooth phones.*9
	Bluetooth Phone Selection*1		When 2 or more registered Bluetooth phones are in the cabin, it is necessary to select which phone to use. Only the selected phone is available for use as a handsfree phone. The phone registered last is automatically selected.
	Bluetooth Information Confirmation and Editing		The user can set, change and initialize the information of the Bluetooth phone displayed on the screen.
	Deleting a Bluetooth Phone		The user can delete a registered Bluetooth phone from the audio head unit.
Bluetooth Phone Message*7	Checking Message		Transmits the messages (Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail) received on the Bluetooth phone to the audio head unit. The following functions are available for the transmitted messages. Display of message text. Reading out of a message.1 Calling a Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail message sender's phone number.1
	Reply Message*1		Replies to a message (Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail) received on the Bluetooth phone.
	Editing Reply Message		Edits the reply.
	Displaying Mail List*1		Displays the list of received messages (Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail). However, the number of received messages in the list that the user can view is limited while driving.

*1: Can be performed while driving.
*2: Except models for Australia and China
*3: Models for Europe
*4: Except models for Europe
*5: Models for Australia
*6: Except models for Australia
*7: Models for Europe and Australia
*8: PBAP non-compatible phone, or PBAP compatible phone with the automatic telephone number transfer function set to off
*9: The maximum number of Bluetooth devices that can be registered (including Bluetooth phones and Bluetooth audio players).

The hands-free functions of the navigation system are shown in the following table. However, for safety, some functions may not be selectable when the vehicle is being driven.

Function			Outline
Calling with a Bluetooth Phone	By Dial Pad		The user can make a call by inputting a telephone number.
	By Contacts		The user can make a call by using the contact data that has been transferred from the user's cellular phone. The user can register up to 2500 items in the contact list.
	By Call History*1		The user can make a call by selecting a telephone number from all call history. However, the number of telephone numbers in the call history that the user can use is limited while driving.
	By Call History12	Dialed Number	The user can make a call by selecting a previously dialed number. The system will remember up to 153/104 dialed numbers. If more than 153/104 calls have been made, the oldest number will be overwritten by the new number.
		Received Call	The user can make a call by selecting a received call number. The system will remember up to 153/104 received call numbers. If more than 153/104 calls have been received, the oldest number will be overwritten by the new number.
		Missed Call	The user can make a call by selecting a missed call number. The system will remember up to 153/104 missed call numbers. If more than 153/104 calls have been missed, the oldest number will be overwritten by the new number.
		All Call History	The user can make a call by selecting a telephone number from all call history. However, the number of telephone numbers in the call history that the user can use is limited while driving.
	By Favorites*1		The user can make a call by using a registered contact selected from the contact list, dialed numbers or received calls.
	By Voice Recognition (Dialing by Name)15		The user can make a call by saying a name registered in the contact list.
	By Voice Recognition (Dialing by Phone Number)15		The user can make a call by saying a desired number.
	By Voice Recognition (Dialing by Voice Tag)16		The user can make a call by saying a registered voice tag.
	112 Emergency Call Support13		The user can make a call the 112 emergency call service by operating a switch displayed on the dial pad screen.
	By Point of Interest (POI)		The user can make a call by operating a switch when "Call" is displayed on the navigation screen.
	By Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail (reception screen)17		The user can make a call by operating a switch when "Call" or the off hook icon is displayed on the incoming message screen.
	By Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail (mail screen)17		The user can make a call by operating a switch when the off hook icon is displayed on the mail screen.
	By Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail (text messages)*7		The user can make a call by operating a switch when a telephone number is displayed in blue in a text message.
Receiving a Call using a Bluetooth Phone*1			When a call is received, the incoming call screen is displayed with a sound.
Talking on a Bluetooth Phone*1			While the user is talking on the phone, the talking screen is displayed.
Changing Bluetooth Phone Settings	Favorites Registration		The user can register contacts, dialed numbers or received calls. Up to 15 favorite contacts can be registered.
	Volume Settings		The user can set the volume.
	Contact List Settings		Transferring a telephone number: The user can transfer telephone numbers from the Bluetooth phone to the system. Up to 2500 items (up to 4 numbers and 4 e-mail addresses per entry) can be registered in the contact list.
			Automatically transferring a telephone number: When a PBAP compatible phone is connected, the phonebook data of the phone can be automatically transferred.
			Registering phone numbers: The user can register phone numbers in the contact list.*8
			Adding data to the contact list: The user can add data to the contact list.*8
			Editing data: The user can edit the registered data.*8
			Deleting data: The user can delete the data.*8
	Screen Settings		Receiving call display: The user can change the receiving call display setting.
			Contact data and call history data transfer condition: The user can select whether a message is displayed or not after contact data and call history data are transferred.
			The Bluetooth connection status at startup: When the power switch is turned on (ACC) or on (IG) and a Bluetooth phone is automatically connected, the connection check will be displayed.
			Initializing the settings: The user can initialize the settings.
Registering and Selecting a Bluetooth Phone	Bluetooth Phone Registration		In order to use the hands-free function of a Bluetooth phone, it is necessary to register it in the radio receiver assembly. Once a phone is registered, the hands-free function connects automatically. The user can register up to 5 Bluetooth phones.*9
	Bluetooth Phone Selection*1		When 2 or more registered Bluetooth phones are in the cabin, it is necessary to select which phone to use. Only the selected phone is available for use as a handsfree phone. The phone registered last is automatically selected.
	Bluetooth Information Confirmation and Editing		The user can set, change and initialize the information of the Bluetooth phone displayed on the screen.
	Deleting a Bluetooth Phone		The user can delete a registered Bluetooth phone from the audio head unit.
Bluetooth Phone Message*7	Checking Message		Transmits the messages (Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail) received on the Bluetooth phone to the audio head unit. The following functions are available for the transmitted messages. Display of message text. Reading out of a message.1 Calling a Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail message sender's phone number.1
	Reply Message*1		Replies to a message (Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail) received on the Bluetooth phone.
	Editing Reply Message		Edits the reply.
	Displaying Mail List*1		Displays the list of received messages (Short Message Service (SMS)/Multimedia Messaging Service (MMS)/e-mail). However, the number of the received messages in the list that the user can view is limited while driving.

*1: Can be performed while driving.
*2: Except models for Australia and China
*3: Models for Europe
*4: Except models for Europe
*5: Models for Europe, Australia and China and destination package for South Africa
*6: Except models for Europe, Australia and China and except destination package for South Africa
*7: Models for Europe and Australia and destination package for South Africa
*8: PBAP non-compatible phone, or PBAP compatible phone with the automatic telephone number transfer function set to off
*9: The maximum number of Bluetooth devices that can be registered (including Bluetooth phones and Bluetooth audio players).

DIAGNOSIS
1. On models with the Lexus display audio system or navigation system, for details on the procedure required to enter the Service Menu screen, refer to the Repair Manual.