Diesel Data: Automotive Repair

Audio System Sound Is Weak Or Distorted (Display Is Normal)




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

Audio system sound is weak or distorted (display is normal)

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.

1. Check for sound in each mode (AM, FM, XM, and disc).

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, amplifier, and each speaker.�

NO -

Speakers all work, sound quality is poor.�

- If sound is poor only with XM radio, or the XM radio does not function, go to poor or no sound with XM radio Poor or No Sound With XM Radio (Audio Unit Does Display XM Channels).
- If the sound is poor only with AM or FM, go to poor AM/FM radio reception or interference Poor AM Or FM Radio Reception Or Interference.
- If sound is poor in all modes, go to sound quality diagnosis Audio System Sound Quality Diagnosis.