Speakers Inoperative - All

SPEAKERS INOPERATIVE - ALL

SCHEMATIC REFERENCE: Radio/Audio System Schematics
CONNECTOR END VIEWS REFERENCE: Entertainment Connector End Views

DIAGNOSTIC SYSTEM CHECK - VEHICLE
Always perform the Diagnostic System Check - Vehicle before proceeding with these diagnostic procedures. Refer to Diagnostic System Check - Vehicle in Vehicle DTC Information. Diagnostic System Check - Vehicle

ALL SPEAKERS INOPERATIVE

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.

All Radios
1. Battery positive voltage circuit to the amplifier open-Test the battery positive voltage circuit to the amplifier for an open.
2. Ground circuit to the amplifier open-Test the ground circuit to the amplifier for an open.
3. No audio output from the amplifier-Replace the amplifier.

IMPORTANT: The following procedure assumes all speakers are operative for all modes of operation except digital radio.

With RPO U2K and U57
1. Audio signal circuit shorted-Test the audio signal circuits for a short.
2. No audio output from the digital radio receiver-Replace the digital radio receiver.
3. No digital radio audio output from the radio-Replace the radio.

IMPORTANT: The following procedure assumes all speakers are operative for all modes of operation except rear digital video disc (DVD) audio selected as source for vehicle speakers.

With RPO U42 and U57
1. Audio signal circuit shorted-Test the audio signal circuits for a short.
2. No audio output from the disc player and video display-Replace the disc player and video display.
3. No rear DVD audio output from the radio-Replace the radio.