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 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.

1. Front Low Level Audio Signal shorted--Test the Left or Right Front Low Level Audio Signal for a short to ground or to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
2. Defective Radio--Replace the Radio. Refer to Control Module References in Computer/Integrating Systems for Replacement, Setup and Programming.
3. Defective Amplifier--Replace the amplifier. Refer to Control Module References in Computer/Integrating Systems for Replacement, Setup and Programming.

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.

1. Front Low Level Audio Signal shorted--Test the Left or Right Front Low Level Audio Signal for a short to ground or to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
2. Rear Low Level Audio Signal shorted--Test the Left or Right Rear Low Level Audio Signal for a short to ground or to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
3. Center Channel Low Level Audio Signal shorted--Test the Center Channel Low Level Audio Signal for a short to ground or to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
4. Subwoofer Low Level Audio Signal shorted--Test the Subwoofer Low Level Audio Signal for a short to ground or to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
5. Defective Radio--Replace the radio. Refer to Control Module References in Computer/Integrating Systems for Replacement, Setup and Programming.
6. Defective Amplifier--Replace the amplifier. Refer to Control Module References in Computer/Integrating Systems for Replacement, Setup and Programming.