LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2008 >> G37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Audio, Visual & Navigation System) >> Premium Without Navigation >> Function Diagnosis >> Audio System >> Component Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Description

WARNING: This page is about a different car, the 2008 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT DESCRIPTION

Part name Description
Audio unit Controls audio system and satellite radio system functions
Audio amp. Receives power (amp ON) and audio signals from Audio unit and outputs audio signals to each speaker.
Steering wheel audio control switches
  • Audio operation can be operated
  • Steering switch signal is output to audio unit
Front door speakers
  • Outputs audio signal from audio amp.
  • Outputs high, mid and low range sounds
Front tweeters
  • Outputs audio signal from audio amp.
  • Outputs high range sounds
Center speaker
  • Outputs audio signal from audio amp.
  • Outputs high range sounds
Rear door speakers
  • Outputs audio signal from audio amp.
  • Outputs high, mid and low range sounds
Rear door tweeters (crew cab)
  • Outputs audio signal from audio amp.
  • Outputs high range sounds
Subwoofer
  • Outputs audio signal from audio amp.
  • Outputs low range sounds
Satellite radio tuner
  • Receives radio signals from satellite antenna
  • Sends audio signals to Audio unit
Satellite antenna Audio signal (satellite radio) is received and output to Audio unit.