Audio System Symptom Troubleshooting - Audio system sound is weak or distorted (display is normal)
Audio system sound is weak or distorted (display is normal)

1.
Problem verification:

Problem verification
?1.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?2.
Turn on the audio unit, and check for sound in each mode (AM/FM and CD).

Is there sound from the speakers, and is the sound quality normal in each mode?

     
YES
     
     
     
Intermittent failure, the system is OK at this time. Check for loose connections at the audio unit and each speaker.?
     
NO: Sound is weak or distorted in AM/FM mode; with navigation
     
     
     
     
NO: Sound is weak or distorted in AM/FM mode; without navigation (with touch screen)
     
     
     
     
NO: Sound is weak or distorted in AM/FM mode; without navigation (without touch screen)
     
     
     
     
NO: Sound is weak or distorted in CD mode
     
     
     
     
NO: Sound is weak or distorted in all modes