Audio System Symptom Troubleshooting Index
Symptom
Diagnostic Procedure
Also Check for
Poor AM or FM radio reception or interference
Aftermarket FM modulator
Loose antenna mounting nut
Audio unit will not turn on (No information display and no sound)
 
No sound is heard from all the speakers (display is normal)
Aftermarket amplifier or speakers
Audio system sound is weak or distorted (display is normal)
Fader and balance positions
Disc recording level
Aftermarket amplifier or speakers
Auxiliary input sound is low or cannot be heard
Auxiliary stereo cables compatibility
Auxiliary accessory volume
Radio preset memory is lost
Internal error
Audio unit button does not work
Check the connector for poor connections or loose terminals between the audio unit and the audio panel
Audio disc does not load
 
Damaged disc (scratches, fingerprints, marks, and distorted)
Track/File format not supported
Audio disc does not eject
 
Damaged disc (distorted)
Disc with a label
Audio disc does not play
 
Damaged disc (scratches, fingerprints, and marks)
Audio disc skips
 
Damaged disc (scratches, fingerprints, and marks)
Tire pressure (over-inflated), disc smudged, or scratched
Audio remote switch does not work properly (audio unit buttons work)
 
USB device does not function
USB device compatibility (see the Owner's Manual)
Bluetooth audio does not work
 
Bluetooth phone compatibility (see the Owner's Manual)
Audio unit button illumination does not work
 
Display does not dim or brighten with dimmer