Schematic Reference: Radio/Audio System Schematics
Connector End Views Reference: Entertainment Connector End Views
Always perform the Vehicle Diagnostic System Check before proceeding with these diagnostic procedures. Refer to Diagnostic System Check - Vehicle in Vehicle DTC Information.
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 Wiring Systems.
Important: The following procedure assumes all speakers are operative for all modes of operation except digital radio.