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 followed by the appropriate test for that condition. If the list leads to the replacement of a component, always inspect for a poor connection before proceeding with the replacement. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Left Front Low Level Audio Signal circuit open - Test the left front low level audio signal circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Right Front Low Level Audio Signal circuit open - Test the right front low level audio signal circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

1. Speaker output from Amplifier open or shorted to voltage - Test the appropriate speaker output for an open or short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
2. Defective speaker - Replace the appropriate speaker. Refer to Speaker Replacement Reference .
3. Defective Amplifier - Replace the Amplifier. Refer to Control Module References in Computer/Integrating Systems for Replacement, Setup or Programming.

Audio ouput from radio open - Test the appropriate output from the radio for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.