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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> On-Board Diagnostic - Audio Amplifier >> DTC U3000-49; Audio Amplifier Internal Malfunction >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY IF MALFUNCTIONING LOCATION IS AUDIO AMPLIFIER DEPENDING ON REPEATABILITY 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.