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. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Diagnostic Aids. Component Tests and General Diagnostics

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. Refer to Circuit Testing and Wiring Repairs in Diagnostic Aids. Component Tests and General Diagnostics
* 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. Refer to Circuit Testing and Wiring Repairs in Diagnostic Aids. Component Tests and General Diagnostics
* Speaker output circuit high resistance or shorted to ground-Test the speaker output circuits for high resistance or short to ground. Refer to Circuit Testing and Wiring Repairs in Diagnostic Aids. Component Tests and General Diagnostics
* No audio output from the digital radio receiver-Replace the digital radio receiver.