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 U1C

* 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. Refer to Speaker Replacement Reference.

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. Refer to Digital Radio Receiver Replacement and Digital Radio Receiver Setup. Programming and Relearning
* No digital radio audio output from the radio-Replace the radio. Refer to Radio Replacement.