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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 >> Speakers Inoperative - One or More >> All Speakers on One Channel Inoperative

All Speakers on One Channel Inoperative

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 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. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
  1. Low level audio signal circuit open or shorted-Test all low level audio signal circuits between the radio and audio amplifier for an open or short. Refer to Circuit Testing and Wiring Repairs .
  2. Right channel inoperative with Bose-Test the right rear door speaker output circuits for a short. Refer to Circuit Testing and Wiring Repairs .
  3. No audio output from the amplifier-Replace the amplifier. Refer to Control Module References .
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