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Home >> Mazda >> 2016 >> 6 Touring, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> On-Board Diagnostic - Audio Amplifier >> DTC U3000-49: Audio Amplifier Internal Malfunction >> Diagnostic Procedure

Diagnostic Procedure

Step Inspection Action
1 PERFORM INSPECTION OF AUDIO AMPLIFIER DTCs 
  • Clear the DTC from the audio amplifier memory.
  • Perform an inspection of the audio amplifier DTCs.

    (See DTC INSPECTION [AUDIO AMPLIFIER] .)

  • Is the same DTC displayed?
Yes Replace the audio amplifier, then go to the next step.
(See AUDIO AMPLIFIER REMOVAL/INSTALLATION .)
No Go to the next step.
2 VERIFY IF OTHER DTCs DISPLAYED 
  • Are any other DTCs displayed?
Yes Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [AUDIO AMPLIFIER] .)
No DTC troubleshooting completed.