Diagnostic System Check - Entertainment System
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Always perform the Entertainment System Diagnostic System Check before proceeding with these diagnostic procedures. Refer to Diagnostic System Check - Radio/Audio System .
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.
With RPO UQ3
- Low level audio circuit open - Test the appropriate low level audio circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
- Defective speaker - Replace the appropriate speaker. Refer to Speaker Replacement Reference .
IMPORTANT:
The following procedure assumes all speakers are operative for all modes of operation except digital radio.
With RPO U2K or U2L
- Audio common circuit open - Test the audio common circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
- Left or right audio circuit open - Test the left and right audio common circuits for opens. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.