Audio Distortion - One or More Speakers

Audio Distortion - One or More Speakers

Diagnostic System Check - Radio,Stereo and Compact Disc System

Always perform the Vehicle Diagnostic System Check before proceeding with these diagnostic procedures. Refer to Diagnostic System Check - Vehicle. Initial Inspection and Diagnostic Overview

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 or shorted to ground-Test the speaker output circuits for high resistance or short to ground.
* Defective speaker-Replace the appropriate speaker. Refer to Speaker Replacement - Front Lower, Speaker Replacement - Front Upper, or Speaker Replacement - Rear (Sedan).

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.
* Speaker output circuit high resistance or shorted to ground-Test the speaker output circuits for high resistance or short to ground.
* No audio output from the digital radio receiver-Replace the digital radio receiver. Refer to Digital Radio Receiver Replacement (Extended Sedan) Digital Radio Receiver Replacement (Sedan) and Digital Radio Receiver Setup.
* No digital radio audio output from the radio-Replace the radio. Refer to Radio Replacement.