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Home >> Infiniti >> 2011 >> FX50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Audio, Visual, Navigation System (CROSSCABRIOLET)) >> BOSE Audio Without Navigation >> System Description >> Component Parts >> Component Description
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Component Description

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
PARTS DESCRIPTION CHART

Part name Description
AV control unit
  • Integrates flash memory allowing music data to be stored.
  • It is the master unit of the MULTI AV system, and it is connected to each control unit by communication. It operates each system according to communication signals from the AV control unit.
  • The AV control unit includes the audio, rear view monitor, USB connection and vehicle information functions.
  • It is connected to ECM and combination meter via CAN communication to obtain necessary information for the vehicle information function.
  • It is connected to BCM via CAN communication transmitting/receiving for the vehicle settings function.
  • It inputs the illumination signals that are required for the display dimming control.
  • It inputs the signals for driving status recognition (vehicle speed, reverse and parking brake).
  • It supplies power to the rear camera.
  • Amp. ON signal and sound signal are transmitted to BOSE amp.
  • TEL voice signal is input from TEL adapter unit.
Display unit
  • Display image is controlled by the serial communication from AV control unit.
  • It receives the power (signal VCC and inverter VCC) from the AV control unit and operates.
  • RGB image signal is input from AV control unit (RGB, RGB area and RGB synchronizing).
  • Composite image signals (auxiliary input and camera images) are input from AV control unit.
  • Synchronizing signal (HP, VP) is output to AV control unit.
BOSE amp.
  • Inputs roof status signal from soft top control unit.
  • Inputs sound signal from AV control unit, and outputs sound signal to each speaker.
Front door woofer
  • Outputs sound signal from BOSE amp.
  • Outputs sound (low range).
Rear squawker
  • Outputs sound signal from BOSE amp.
  • Outputs sound (high and mid range).
Front Twiddler®
  • Outputs sound signal from BOSE amp.
  • Outputs sound (high and mid range).
  • Deliver spacious, balanced sound with a stable center image
Center speaker
  • Outputs sound signal from BOSE amp.
  • Outputs sound (high and mid range).
Woofer
  • Composed of two woofers and a woofer amp.
  • Inputs power (amp. ON signal) and sound signal from BOSE amp.
  • Outputs sound (low range).
Multifunction switch
  • Operation panel is equipped with the centralized switch where audio and auxiliary input, etc. operations are integrated.
  • Connected with preset switch via harness, and operation signal is transmitted to AV control unit via AV communication.
Preset switch
  • Operation panel is equipped with the centralized switch where audio and air conditioner, etc. operations are integrated.
  • Connected with multifunction switch via harness, and operation signal is transmitted to AV control unit via AV communication.
  • The disk ejection operating signal is performed by hardwire.
Rear view camera
  • Camera power supply is input from AV control unit.
  • The image of vehicle rear view is transmitted to AV control unit.
Steering angle sensor It is connected to the AV control unit and transmits the steering angle sensor signal via CAN communication.
Steering switch
  • Operations for audio and hands-free phone are possible.
  • Steering switch signal (operation signal) is output to AV control unit.
Microphone
  • Used for hands-free phone operation.
  • Microphone signal is transmitted to TEL adapter unit.
  • Power (Microphone VCC) is supplied from TEL adapter unit.
Auxiliary input jacks Image signal and sound signal of auxiliary input are transmitted to AV control unit.
Antenna base A radio antenna base integrated with radio antenna amp. and satellite radio antenna is adopted.
ANTENNA AMP.
  • Radio signal received by rod antenna is amplified and transmitted to AV control unit.
  • Power (antenna amp. ON signal) is supplied from AV control unit.

    SATELLITE RADIO ANTENNA

  • Receives satellite radio waves and outputs it to Satellite radio tuner.
Satellite radio tuner
  • Inputs the satellite radio signal from satellite radio antenna and outputs the sound signal to the AV control unit.
  • It is controlled with the AV control unit and serial communication (communication signal and request signal).
TEL adapter unit
  • Inputs the TEL voice signal from TEL antenna and outputs it to the AV control unit.
  • It is connected with the AV control unit via AV communication and controlled with the AV control unit.
  • Inputs roof status signal from soft top control unit.
TEL antenna
  • Receives the TEL voice signal and outputs it to the TEL adapter unit.
  • TEL antenna is unified with a TEL adapter unit.
USB connector Sound signal of USB input is transmitted to AV control unit.