Audio Distortion - One or More Speakers

AUDIO DISTORTION - ONE OR MORE SPEAKERS

SCHEMATIC REFERENCE: Radio/Audio System Schematics in Vehicle DTC Information.

DIAGNOSTIC SYSTEM CHECK - ENTERTAINMENT SYSTEM
Always perform the Vehicle Diagnostic System Check before proceeding with these diagnostic procedures. Refer to Diagnostic System Check - Vehicle. Diagnostic System Check - Vehicle

SPEAKER(S) - REDUCED VOLUME/AUDIO DISTORTION

IMPORTANT: The following information lists the most probable cause of the concern to the least probable cause. If the list leads to the replacement of a component, always inspect for a poor connection before proceeding with replacement.

With RPO UW4 and UZ6
- Speaker output circuit high resistance - Test the appropriate speaker output circuits for high resistance.
- Defective speaker - Replace the appropriate speaker.

IMPORTANT: The following procedure assumes all speakers are operative for all modes of operation except digital radio.

With RPO U2K
- Audio common circuit open - Test the audio common circuit for an open.
- No audio output from the digital radio receiver - Replace the digital radio receiver.
- No digital radio audio output from the radio - Replace the radio.