2007 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE

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 Controls audio system functions.
Steering wheel audio control switches
  • Each audio operation can be operated.
  • Steering switch signal (operation signal) is output to audio unit.
Front door speakers
  • Outputs audio signal from audio unit.
  • Outputs high, mid and low range sounds.
Tweeters
  • Outputs audio signal from audio unit.
  • Outputs high range sounds.
Rear door speakers
  • Outputs audio signal from audio unit.
  • Outputs high, mid and low range sounds.
Bluetooth control unit
  • Receives signals from the audio unit.
  • Outputs display signals.
Display unit
  • Receives and displays signals from the Bluetooth control unit (with Bluetooth) or audio unit (without Bluetooth).
  • Displays audio system information.
Subwoofer amp.
  • Receives and amplifies sound signal from audio unit.
  • Outputs amplified sound signal to the subwoofers.
Subwoofers
  • Outputs audio signal from subwoofer amp.
  • Outputs low range sounds.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.