Reduced Volume - One or More Speakers

REDUCED VOLUME - ONE OR MORE SPEAKERS

DIAGNOSTIC SYSTEM CHECK
Always perform the Entertainment System Diagnostic System Check before proceeding with these diagnostic procedures. Refer to Diagnostic System Check - Radio/Audio System. Diagnostic System Check

SPEAKER(S) - REDUCED VOLUME

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.

RPO U66
1. Speaker output circuit high resistance. Test the appropriate speaker output circuits for high resistance.
2. Low level audio circuit open. Test the appropriate low level audio circuit for an open.
3. Defective speaker - Replace the appropriate speaker.

RPO U57
1. Speaker output circuit high resistance, open, or shorted. Test the appropriate speaker output circuits for high resistance, open or short.
2. Defective speaker - Replace the appropriate speaker.

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

WITH RPO U2K
1. Audio common circuit open. Test the audio common circuit for an open.
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.