Schematic Reference: Radio/Audio System Schematics

Connector End View Reference: Entertainment Connector End Views

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

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 .

1. Audio Prompt Out Circuits open or shorted--Test the Audio Prompt Out circuits for an open, short to ground or short to voltage. Refer to Circuit Testing and Wiring Repairs .
2. Defective Radio--Replace the radio. Refer to Control Module References for replacement, setup, and programming.
3. Defective Amplifier--Replace the amplifier. Refer to Control Module References for replacement, setup, and programming.