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Old Jun 29, 2022 | 03:46 AM
  #1  
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SCtopdown
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From: OH
Default Audio muted

I searched the forum for this problem and didn't see anything like it.
After audio was working just fine on the way to the store, when I got back in the car, everything on the display appeared to be working fine except there was no sound coming from the speakers. It didn't matter what audio source I was using. When I turned the volume ****, nothing happened - not even on the top line of the display where it normally drops down and shows the volume level. I turned off the vehicle and back on with no change. Let it sit overnight and checked it again, and everything is back to normal. Has anyone experienced this kind of behavior before?

2010 IS350C (new to me in May 2022)
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Old Jun 30, 2022 | 05:43 AM
  #2  
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DUDLON
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Originally Posted by SCtopdown
I searched the forum for this problem and didn't see anything like it.
After audio was working just fine on the way to the store, when I got back in the car, everything on the display appeared to be working fine except there was no sound coming from the speakers. It didn't matter what audio source I was using. When I turned the volume ****, nothing happened - not even on the top line of the display where it normally drops down and shows the volume level. I turned off the vehicle and back on with no change. Let it sit overnight and checked it again, and everything is back to normal. Has anyone experienced this kind of behavior before?

2010 IS350C (new to me in May 2022)
Hi,
Is your phone connected to your
car stereo via Bluetooth ?
Did the malfunction go away
by itself?
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Old Jun 30, 2022 | 05:53 AM
  #3  
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SCtopdown
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From: OH
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Yes, phone was connected by bluetooth, however, note that the audio source made no difference. It did the same thing with BT, FM, AUX. And the problem did correct itself.
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Old Jun 30, 2022 | 08:41 AM
  #4  
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JRcanuck
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Joined: Jun 2020
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From: Toronto Ont
Default

Originally Posted by SCtopdown
I searched the forum for this problem and didn't see anything like it.
After audio was working just fine on the way to the store, when I got back in the car, everything on the display appeared to be working fine except there was no sound coming from the speakers. It didn't matter what audio source I was using. When I turned the volume ****, nothing happened - not even on the top line of the display where it normally drops down and shows the volume level. I turned off the vehicle and back on with no change. Let it sit overnight and checked it again, and everything is back to normal. Has anyone experienced this kind of behavior before?

2010 IS350C (new to me in May 2022)
did you hear a popping sound when you turned the radio on and then silence? There’s an audio amp in the right rear passenger side fender. There’s also pressure flaps in the right rear fenders that corrode and allow moisture in, attacking the audio amp. You can search for these topics as they are heavily discussed in the IS2 forum.
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Old Jul 6, 2022 | 02:13 PM
  #5  
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SCtopdown
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From: OH
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Thanks for pointing me to the IS2 thread. I have not heard the popping sound, but other behavior sounds like what is described over there. I have checked and my rubber flaps are completely missing, so I have ordered a new set.
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Old Aug 9, 2022 | 11:03 AM
  #6  
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SCtopdown
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From: OH
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Posting an update:
I installed the new air vents in the trunk. Also determined that the woofer in the driver door was blown, so replaced that component in both doors with an aftermarket speaker. So far, so good!
Thanks to @JRcanuck for pointing me in the right direction!
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Old Aug 9, 2022 | 03:45 PM
  #7  
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JRcanuck
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Joined: Jun 2020
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From: Toronto Ont
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Originally Posted by SCtopdown
Posting an update:
I installed the new air vents in the trunk. Also determined that the woofer in the driver door was blown, so replaced that component in both doors with an aftermarket speaker. So far, so good!
Thanks to @JRcanuck for pointing me in the right direction!
further to the flaps, replacement should also eliminate any rotten egg exhaust smell you may noticed under WOT with windows and/or sunroof open. Those open flaps allow exhaust gas to enter the cabin.
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