LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Audio, Visual, Navigation System (Display Audio With Amplifier)) >> System Description >> Component Parts >> Component Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Description

WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
Part name Description
Audio unit
  • Controls audio, USB connection, AUX IN connection and satellite radio functions.
  • Display unit is built in to audio unit.
Audio amplifier Receives audio signals from audio unit and outputs audio signals to each speaker.
Front tweeters Outputs high, mid and low range audio signals from audio amp.
Front door speakers
Rear tweeters
Rear door speakers
Subwoofer
Steering wheel audio control switches
  • Operations for audio, hands-free phone and voice recognition are possible.
  • Steering switch signal is output to Bluetooth® control unit.
  • Bluetooth® control unit outputs steering switch signal to audio unit.
Microphone
  • Used for hands-free phone operations.
  • Microphone signal is transmitted to Bluetooth® control unit.
  • Power is supplied from Bluetooth® control unit.
Bluetooth® control unit
  • Inputs TEL voice signal from Bluetooth® antenna and outputs it to audio unit.
  • Controlled via AV communication by audio unit.
Bluetooth® antenna Receives TEL voice signal and outputs it to Bluetooth® control unit.
USB interface USB sound and data input signals are transmitted to audio unit.
Satellite antenna Satellite radio signal is received and transmitted to audio unit.
Rod antenna AM/FM signal is received and transmitted to audio unit.