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Mazda
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2009
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6 L4-2.5L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Car-Navigation Unit
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Device Code 09
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Error Code 21
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No.5 Sound Break-Up Or Poor Sound Quality
No.5 Sound Break-Up Or Poor Sound Quality
NO.5 SOUND BREAK-UP OR POOR SOUND QUALITY [ENTIRE AUDIO SYSTEM]
Troubleshooting Hints:
Diagnostic procedure
Step 1-Step 8:
Step 9: