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Home >> Mazda >> 2013 >> 5 Grand Touring >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Symptom Troubleshooting [Entire Audio System] >> No.6 Volume Increases/Decreases While Driving The Vehicle [Entire Audio System] >> Diagnostic Procedure

Diagnostic Procedure

STEP INSPECTION ACTION
1
  • Does the ALC turn on?
 Yes Go to the next step.
No Replace the audio unit.
(See AUDIO UNIT REMOVAL/INSTALLATION .)
2
  • Turn off the ALC.
  • Does the sound change while driving the vehicle?
 Yes Replace the audio unit.
(See AUDIO UNIT REMOVAL/INSTALLATION .)
No The system is normal.
Explains the ALC to the customer.
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