Component Description

Part name	Description
AV control unit	Master unit of MULTI AV system. AV control unit includes audio, hands-free phone, navigation, USB connection, DVD play and vehicle status functions. Integrates hard disk drive (HDD) allowing map data and music data to be stored. Connected to MULTI AV system control units via AV communication. Connected to other vehicle control units via CAN communication to obtain necessary information for vehicle function. Receives steering angle signal via CAN communication from steering angle sensor and controls an expected course line during around view monitor operation. Inputs signals for driving status recognition (vehicle speed, reverse and parking brake). RGB digital image signal and composite image signal are output to front display unit. Transmits image and sound output to video distributor and inputs image switch signal from headrest display units via AV communication. Receives an Intelligent Key identification signal necessary for Intelligent Key interlocking function via hard wire from BCM. Transmits Amp. ON signal to BOSE amp. Update of map data is performed using DVD - ROM.
Display unit	Display image is controlled by AV control unit via serial communication. Receives power from AV control unit. RGB and RGB digital image signals are input from AV control unit. Composite image signals are input from AV control unit. Synchronizing signals are output to AV control unit. Camera image signals are input from around view monitor control unit via video output signal. Touch panel functions can be operated by touching display directly.
BOSE speaker amp.	Receives sound signals from AV control unit and outputs sound signals to each speaker.
Instrument panel tweeter	Outputs high range sound signals from BOSE speaker amp.
Center speaker	Outputs mid and high range sound signals from BOSE speaker amp.
Front tweeter	Outputs high range sound signals from BOSE speaker amp.
Front door speaker	Outputs low, mid and high range sound signals from BOSE speaker amp.
Rear door speaker	Outputs low, mid and high range sound signals from BOSE speaker amp.
Rear side speaker	Outputs low, mid and high range sound signals from BOSE speaker amp.
Subwoofer	Outputs low range sound signals from BOSE speaker amp.
A/C and AV switch assembly	Operation panels are equipped with switches for audio and air conditioner operations. Operation signal is transmitted via AV communication to AV control unit and around view monitor. Disk eject operation signal is performed via hardwire.
Steering switch	Operations for audio, hands - free phone and voice recognition are possible. Steering switch signal (operation signal) is output to AV control unit.
Steering angle sensor	Connected to AV control unit via CAN communication and transmits steering angle sensor signal.
Video distributor	Receives image and sound signals from AV control unit and transmits them to headrest display units. Receives image and sound signals from rear auxiliary input jacks and transmits them to headrest display units. Transmits image and sound signals to headrest display unit and receives image switch signal from headrest display units.
Headrest display units	Composite image signals are input from video distributor. Receives DVD/AUX/USB sound signals from video distributor and transmits them to headphones. Transmits image switch signal to video distributor according to remote control operation. Transmits image switch signal to AV control unit via AV communication according to remote control operation.
Front auxiliary input jacks	Transmits image and sound signals to AV control unit.
Rear auxiliary input jacks	Transmits image and sound signals to video distributor and headrest display units.
Around view monitor control unit	Supplies power to front, rear and side cameras. Superimposes images from each camera and outputs them to display unit. Superimposes guiding line, predicted course line and sonar indicator to camera image that outputs to display unit. Performs reception/transmission of communication signals with cameras. Transmits sonar operation signal from sonar control unit via CAN communication. Receives sonar information from sonar control unit via CAN communication. Transmits data received/transmitted from sonar control unit to AV control unit via CAN communication.
Front camera	Inputs power supply from around view monitor control unit. Outputs image of vehicle front to around view monitor control unit. Performs reception/transmission of communication signal with around view monitor control unit.
Rear view camera	Inputs power supply from around view monitor control unit. Outputs image of vehicle rear to around view monitor control unit. Performs reception/transmission of communication signal with around view monitor control unit.
Side camera LH	Inputs power supply from around view monitor control unit. Outputs image of vehicle LH side to around view monitor control unit. Performs reception/transmission of communication signal with around view monitor control unit.
Side camera RH	Inputs power supply from around view monitor control unit. Outputs image of vehicle RH side to around view monitor control unit. Performs reception/transmission of communication signal with around view monitor control unit.
Sonar control unit	Connected to around view monitor control unit via CAN communication. Receives sonar operation signal from around view monitor control unit via CAN communication. Transmits sonar detection status to around view monitor control unit via CAN communication. Judges warning level according to signals from front and rear sensors.
Front sensors	Detects front obstacle distance and transmits signal to sonar control unit.
Rear sensors	Detects rear obstacle distance and transmits signal to sonar control unit.
Microphone	Used for hands - free phone, voice recognition and INFINITI CONNECTIONS operations. Microphone signal is transmitted to telematics control unit (TCU). Power (Microphone VCC) is supplied from TCU.
Telematics control unit (TCU) (if equipped)	Connected to the AV control unit via a USB harness for sound signal input/output and USB communication. Data is sent to and received from the INFNITI CONNECTIONS data center via the TEL antenna. Inputs TEL voice signal from TEL antenna and outputs it to AV control unit.
TEL antenna (if equipped)	Receives TEL voice signals and outputs them to TCU. Transmits TEL voice signals from TCU.
GPS antenna	GPS signal is received and transmitted to AV control unit.
Antenna amp.	Radio signal received by window antenna is amplified and transmitted to AV control unit. Power (antenna amp. ON signal) is supplied from AV control unit.
Satellite radio antenna (if equipped)	Satellite radio signal is received and transmitted to AV control unit.
USB connector	USB sound and data input signals are transmitted to AV control unit.