Section 202 (Audio System - Diagnosis)
WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
- Precaution
- Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Identification Of Noise Source
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnostic Start-Up/Finish
- System Check Mode (DTC Check)
- System Check Mode (DTC Clear/Recheck)
- Data List/Active Test
- Diagnostic Trouble Code Chart
- Pressing Power Switch Does Not Turn On System
- Radio Broadcast Cannot Be Received (Poor Reception)
- Cd Cannot Be Inserted/Played Or Cd Is Ejected Right After Insertion
- Cd Cannot Be Ejected
- Abnormal Noise Occurs
- Cd Sound Skips
- Poor Sound Quality In All Modes (Low Volume)
- Cassette Tape Cannot Be Inserted Or Played
- Cassette Tape Cannot Be Ejected
- Sound Quality Is Bad Only When Playing Tape
- Tape Is Tangled Due To Incorrect Tape Speed Or Auto-Reverse Malfunction
- Power Source Circuit (Radio Receiver ASSY)
- Power Source Circuit (Stereo Component Tuner)
- Power Source Circuit (Stereo Component Amplifier ASSY)
- Power Source Circuit (Audio And Rear A/C Control SW)
- Speaker Circuit
- Amp Sound Signal Circuit (Radio Receiver ASSY - Amp)
- Amp Sound Signal Circuit (Radio Receiver ASSY - Stereo Component Tuner)
- Speed Signal Circuit (Stereo Component Amplifier ASSY)
- Mute Signal Circuit (Radio Receiver ASSY - Stereo Component Amplifier ASSY)
- Mute Signal Circuit (Radio Receiver ASSY - Stereo Component Tuner)
- Steering Pad Switch Circuit
- AVC-LAN Circuit (Stereo Component Amplifier ASSY - Stereo Component Tuner)
- AVC-LAN Circuit (Stereo Component Amplifier ASSY - Audio And Rear A/C Control SW)
- AVC-LAN Circuit (Radio Receiver ASSY - Gateway Ecu)
- AVC-LAN Circuit (Radio Receiver ASSY - Stereo Component Tuner)