Schematic Reference: Radio/Audio System Schematics

Connector End View Reference: Entertainment Connector End Views

Perform the 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. Speaker output open--Test the appropriate speaker output circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Important: The radio must be programmed after replacement. Refer to Control Module References in Computer/Integrating Systems.

2. Audio output from the radio is not evident. Test for any AC voltage between the appropriate speaker output circuits at the speaker harness connector, disconnected with the radio volume adjusted to an audible level. If AC voltage is present, replace the speaker. For the speaker testing location, refer to Speaker Replacement Reference . If AC voltage is not present, replace the radio. Refer to Radio Replacement .

1. Speaker output shorted--Test all speaker outputs for a short. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
2. Antenna enable signal/amplifier control signal open--Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Important: The radio must be programmed after replacement. Refer to Control Module References in Computer/Integrating Systems.

3. Faulty radio--Replace the radio. Refer to Radio Replacement .