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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 >> One Speaker Inoperative

One Speaker 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. 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 open or shorted-Test the appropriate speaker output circuits from the audio amplifier for an open or short. Refer to Circuit Testing and Wiring Repairs .
  2. No audio output from the amplifier-Test for any AC voltage between the appropriate speaker output circuits at the speaker harness connector, disconnected with the radio volume adjusted to an audible level. If AC voltage is present, replace the speaker. Refer to Speaker Replacement Reference . If no AC voltage is present, replace the amplifier. Refer to Control Module References .
  3. Defective speaker-Replace the inoperative speaker. Refer to Speaker Replacement Reference .
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