AUDIO AND VISUAL SYSTEM


  1. FUNCTION OF MAIN COMPONENTS

    Component Function
    Multi-display Assembly Displays image information received from the radio receiver assembly.
    Remote Touch (Remote Operation Controller Assembly)

    • Sends operation signals to the radio receiver assembly.

    • Vibrates the touchpad to provide feedback according to signals received from the radio receiver assembly.
    Radio Receiver Assembly

    • Plays back audio from each audio source, such as radio, CD and Bluetooth audio.*1

    • Plays back audio from each audio source, such as radio, CD, DVD and Bluetooth audio.*2

    • 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

    • Controls the audio system based on processed hand-writing input signals*5 or operation signals using the touchpad of the remote touch (remote operation controller assembly).

    • Controls the audio system and multi-display based on the signal received from the remote touch (remote operation controller assembly), and sends the feedback signal to the remote touch (remote operation controller assembly).

    • Sends a startup signal to the navigation ECU when the audio system started.*6

    • Sends the status information of each audio source and hands-free system to the combination meter assembly.

    • Receives operation signals from the combination meter assembly to change the audio source, make a call or take a call based on the audio source and hands-free system settings set on the multi-information display.

    • Sends microphone voice signals sent from the telematics transceiver (data communication module) to the navigation ECU.*7

    • Sends microphone voice signals to the navigation ECU.*6*8

    • Is equipped with a 2.4 GHz frequency band wireless LAN and can communicate with a wireless clients via Wi-Fi.*9

    • Is equipped with a 2.4 GHz frequency band wireless LAN and can communicate with a Miracast device via Wi-Fi (P2P mode).*10

    • Sends and receives content information from the application server through a Bluetooth connected smartphone.*11

    • Using the built-in application player, operates and displays applications that are installed on the Bluetooth connected smartphone.*11

    • When utilizing audio content, outputs the sound from applications to the stereo component amplifier assembly.*11

    • Is equipped with an application player to run applications.*11
    Navigation ECU*6 Enables the use of navigation function when installed to the radio receiver assembly.*12

    Window Glass Antenna Wire (Rear)*13


    • AM

    • FM

    		 Receives radio broadcasting signals (AM/FM).

    Window Glass Antenna Wire (Rear)*14


    • AM

    • FM

    • DAB

    		 Receives radio broadcasting signals (AM/FM/DAB).
    No. 1 Amplifier Antenna Assembly Amplifies radio broadcasting signals from the radio antenna and sends them to the radio receiver assembly.
    Digital Audio Broadcasting Antenna Assembly*14 Amplifies DAB signals from the DAB antenna and sends them to the radio receiver assembly.

    Window Glass Antenna Wire (Quarter)*14


    • DAB

    • DAB Antenna Amplifier

    • Receives radio broadcasting signals (DAB).

    • Amplifies DAB signals from the DAB antenna and sends them to the radio receiver assembly.

    Window Glass Antenna Wire (Quarter)*15


    • Digital TV

    • Digital TV Antenna Amplifier

    • Receives radio broadcasting signals (digital TV).

    • Amplifies digital TV signals from the digital TV antenna and sends them to the navigation ECU.

    Navigation Antenna Assembly*16


    • GPS Antenna

    		 Receives signals from GPS satellites and transmits these signals to the radio receiver assembly*17 or navigation ECU*6.
    Steering Pad Switch Assembly Sends operation signals from switches such as the volume switch, mode switch, seek switch, telephone switch and voice switch, 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.
    Map Light Assembly Houses the manual (SOS) switch.*18
    Telephone Microphone Assembly

    • Receives the user's voice through the microphone module.

    • Recognizes speech during voice recognition system operation and sends the audio signal to the radio receiver assembly*8 or telematics transceiver (data communication module)*7.
    No. 1 Stereo Jack Adapter Assembly

    • Sends audio signals to the radio receiver assembly when an auxiliary device is connected.

    • 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.

    • By connecting a smartphone with Lexus Enform apps installed via a USB cable, communicates with the radio receiver assembly via a USB communication line.*11
    Combination Meter Assembly

    • Sends vehicle speed signals to the radio receiver assembly, stereo component amplifier assembly*4, telematics transceiver (data communication module)*18 and navigation ECU*6.

    • Displays the status information of each audio source and hands-free system which is received from the radio receiver assembly on the multi-information display.

    • Sends operation signals to the radio receiver when the audio source and hands-free system settings are set on the multi-information display.
    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)*7*18

    • Sends a part of audio signals sent from the radio receiver assembly to the front No. 2 speaker assembly RH.

    • Sends microphone voice signals sent from the telephone microphone assembly to the radio receiver assembly.*7

    *1: Models for Europe and China with Lexus display audio system

    *2: Except models for Europe and China with Lexus display audio system

    *3: Models for Europe with Lexus display audio system

    *4: Except models for Europe with Lexus display audio system

    *5: Models for Europe and China and destination packages for Israel, Cyprus and Caucasus

    *6: Models with navigation ECU

    *7: Models for China with navigation system

    *8: Except models for China with navigation system

    *9: Models with Wi-Fi communication function

    *10: Models with Miracast function

    *11: Models for Australia

    *12: Models with navigation system

    *13: Except models with Digital Audio Broadcast (DAB) tuner

    *14: Models with Digital Audio Broadcast (DAB) tuner

    *15: Models with digital TV tuner

    *16: Except models for China with Lexus display audio system and destination package for South Korea

    *17: Except models with navigation ECU

    *18: Models with manual (SOS) switch

  2. DIAGNOSIS


    1. For details on the procedure required to enter the Service Menu screen, refer to the Repair Manual.