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Discussion Starter #1
Can anyone help me with an issue that is driving me crazy!
From the speaker system i am encountering large boomy bangs and crackles which are close to deafening.
This has nothing to do with the radio volume and even when the radio is off it still occours.
I belive its relative to the ANC system.
Can anyone talkmme through how i can disconect the anc system without disrupting the radio.
thanks
 

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If you suspect an issue with the ANC control unit, diagnose the problem via this method:

DIAGNOSIS
1. Start the vehicle.
2. Turn the radio on, and make sure it operates normally.
3. Turn the radio off.
4. Press and hold the preset buttons number 1 and number 6, then press the VOL push PWR button.
The audio system enters its diagnostic mode and Diagnosis (or Diag) appears on the display.
Release the preset buttons.
5. Press the number 1 preset button. ANC ON appears on the display.
6. Press the number 1 preset button again to turn the ANC OFF. You should hear a humming noise
coming from the speakers for about 60 seconds.
NOTE:
• To turn the humming off, press the number 1 preset button to turn the ANC ON, and wait for the hum to stop.
Press the number 1 preset button again to turn the ANC OFF.
• Repeatedly pressing the number 1 preset button
cycles the audio unit ANC ON and ANC OFF, but the ANC control unit won’t hum until the ignition
switch is turned to LOCK (0) and ON (II), and you
put the audio system back into Diagnosis mode.
• When the ignition switch is turned to LOCK (0)
and ON (II) again, the audio system defaults to
its ANC ON mode.
 
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