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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 614 (Audio, Visual, Navigation System) >> Base Audio >> Function Diagnosis >> Hands-Free Phone System >> Component Description
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Component Description

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT DESCRIPTION

Part name Description
Audio unit
  • Receives telephone voice signal from Bluetooth control unit.
  • Sends telephone voice signals to the speakers.
Front door speaker Receives telephone voice signals from the audio unit.
Tweeter
Steering wheel audio control switches
  • Start a voice recognition session.
  • Answer and end telephone calls.
  • Adjust the volume level.
Microphone Sends voice signals to Bluetooth control unit.
Bluetooth control unit
  • Controls hands-free phone functions.
  • Receives display signals from audio unit.
  • Outputs display signals to the display unit.
Display unit
  • Receives display signals from Bluetooth control unit.
  • Displays audio system information.
Bluetooth antenna Sends telephone voice signal to bluetooth control unit.