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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Reduced Volume - One or More Speakers >> Speakers - Reduced Volume

Speakers - Reduced Volume

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
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 .
  1. Speaker output circuit high resistance-Test the appropriate speaker output circuits from the audio amplifier for high resistance. Refer to Circuit Testing and Wiring Repairs .
  2. Low level audio circuit open-Test the appropriate low level audio circuit between the radio and audio amplifier for an open. Refer to Circuit Testing and Wiring Repairs .
  3. Defective speaker-Replace the appropriate speaker. Refer to Speaker Replacement Reference .
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