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Rain Wiping Sensors - How good do they work on your D3?

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Old 01-16-2014, 04:50 AM   #1
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Default Rain Wiping Sensors - How good do they work on your D3?

I have to say mine do not work good at all. I think these are basically worthless on my car. They don't work after starting the car in reverse, don't work until moving forward and going 5-10 MPH the first time.

Then there is the rain sensing part....it is terrible at this. It either doesn't work, or it works too well, i.e. not intermittent. The other day when it was raining, because they were going too fast, I put it on speed 1 (low speed) and the wipers even changed speeds (speeding up and down) on occasion. What is with that?

And the "sensor adjustability" doesn't seem to effect anything except when you change the setting it wipes it at least once.

Can I just get another setting of "intermittent" where I set the duty cycle?

My wife's old ML 350 had rain sensing wipers, and that thing worked incredibly well.

Does anybody know if you can turn the rain wiping sensor off with vag-com and just have an old school "I'll control them thank you" wipers?

Thanks!
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Old 01-16-2014, 04:59 AM   #2
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I haven't been terribly pleased with the functionality on either of our cars. In fact, I've de-selected the function with Vagcom and just have it working as traditional intermittent wipe. Much better, IMO.
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Old 01-16-2014, 05:10 AM   #3
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Is this on your 2011 A4 or 2006 A6? Or do you have a D3? Is it easy enough to do on the D3?
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Old 01-16-2014, 06:13 AM   #4
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Is this on your 2011 A4 or 2006 A6? Or do you have a D3? Is it easy enough to do on the D3?
Both A4 and A6. I assume it could be done on your car. You will need Vagcom.
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Old 01-16-2014, 06:27 AM   #5
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Never had an issue on mine. They always seemed perfectly timed. Maybe check to see if anything is interfering with the sensor.
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Old 01-16-2014, 07:22 AM   #6
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Mine too, they're just great.
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Old 01-16-2014, 07:25 AM   #7
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Mine are not perfect but not that useless either. There is transparent seal. Expensive, but may improve functionality.
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Old 01-16-2014, 07:38 AM   #8
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Ours too are not perfect - got confused recently during some fog, and were wiping at a much faster rate than required. In 'typical' rain situations, the frequency is just about perfect.

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Old 01-16-2014, 12:19 PM   #9
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Mine works as advertised but not perfect. I really prefer manual mode if it exist. I don't remember seeing anything on the boards about turning the feature off.
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Old 01-16-2014, 03:56 PM   #10
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I haven't been terribly pleased with the functionality on either of our cars. In fact, I've de-selected the function with Vagcom and just have it working as traditional intermittent wipe. Much better, IMO.
I tried everything with vag-com, I don't think you can turn them off on a D3.
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Old 01-16-2014, 04:22 PM   #11
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Paul, I kinda stumbled upon it. it's not in an obvious place. Let me back track this weekend and see where I got this screen capture...it's probably the Central Convenience module:

Click the image to open in full size.
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Old 01-17-2014, 03:57 AM   #12
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Paul, I kinda stumbled upon it. it's not in an obvious place. Let me back track this weekend and see where I got this screen capture...it's probably the Central Convenience module:

Click the image to open in full size.
Interesting! I wonder what the Highway Light function, that doesn't activate until 90mph, is? Most of us aren't driving that fast (well, at least not during the winter with snowy/icy roads).
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Old 01-17-2014, 04:13 AM   #13
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Interesting! I wonder what the Highway Light function, that doesn't activate until 90mph, is?
I've got that activated on my car, though I can't notice anything for the reason you've mentioned.

There's another thread on this...not sure if I can find it.

The theory is that the shape of the low beams changes for greater reach as you travel faster. IIRC, it kicks in around 72mph and maxes out at 90. Maybe you'd notice it if it were very dark.
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Old 01-17-2014, 04:16 AM   #14
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Old 01-17-2014, 05:29 AM   #15
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Paul, I kinda stumbled upon it. it's not in an obvious place. Let me back track this weekend and see where I got this screen capture...it's probably the Central Convenience module:

Click the image to open in full size.
Thanks for the info! How do you get to that screen shot? Under coding? Adaptation? I have never seen anything like that.
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Old 01-17-2014, 05:46 AM   #16
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Yes, Coding > Long Coding brings you to that view.
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Old 01-17-2014, 06:02 AM   #17
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Thanks....I will try that. I assume it is the control module that when I did the output tests it did the tests on the wipers.
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Old 01-17-2014, 01:13 PM   #18
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I tried logging in again and could not find any control modules that had a "long coding" option. I am running the latest of VCDS...is there any trick to this?
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Old 01-17-2014, 01:54 PM   #19
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I think mine works extremely well, when little rain, it's slow, and when it rains hard, it's fast. Is it what it supposed to do? I seldom use the speed switch any more.

Cheers,

Louis
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Old 01-17-2014, 03:59 PM   #20
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Went out again tonight....the only modules that I found long coding as a default were:

01 Engine
0E Media Player
11 Engine II
31 Engine other
19 CAN Gateway

Is there a way to get the other modules to show long coding? These did not have anything to do with the wipers.

I did clean the windshield very well above the sensor (which I never saw before) and will see how they work during the next rains.
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