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#1 Old 02-27-2012, 10:38 AM
Sublime1199
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Location of rain sensing sensor

Hi guys, I just bought a 2011 Mopar 11 with the rain sensing option. Where is the sensor located? Is it that sensor located under the rear view mirror?
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#2 Old 02-27-2012, 12:11 PM
GLHS837
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I believe so. Easy to test with a spray bottle

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#3 Old 02-27-2012, 12:23 PM
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I believe so. Easy to test with a spray bottle
Thanks. I was driving to work this morning and it started to sprinkle but the wipers did not come on even though I have the setting turned on. It then occurred to me that my radar detector might be blocking the sensor so I will have to do some testing when I get home tonight.
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#4 Old 02-27-2012, 05:48 PM
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The wiper switch needs to be in the intermittent position for the auto wipers to work, see page 200 in the owners manual

Last edited by YatBob; 02-27-2012 at 06:05 PM.
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#5 Old 02-28-2012, 08:43 AM
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OHHHH DUH! Thanks, I was able to get it working :-)
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The wiper switch needs to be in the intermittent position for the auto wipers to work, see page 200 in the owners manual
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#6 Old 02-28-2012, 09:06 AM
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If I'm not mistaken (which I very well could be), It takes 6-8 'sweeps' of the wipers to put an AWD car into AWD if it was previously in RWD. Not sure if this is the same? Or are you saying if the wipers are left in the intermittent mode (maybe lowest setting?) there is an actual external sensor that detects water that would automatically start the wipers?


I know the 'humidity sensor' is inside the vehicle and relates to HVAC actuation, specifically the front/and maybe rear defroster activation while in auto climate control mode... hmmm.....

2011 R/T AWD, factory order. 4627 lbs. Best ET/MPH, 9/21/11- 13.462@103.636 (sea level corrected). Bandimere Speedway, 5800ft above sea level. Fastest stock '11 AWD? (Not stock now- Jet 180 stat, BBK 85mm w/port match, Frankentake, figuring out exhaust...) Have NOT run modded YET
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#7 Old 02-29-2012, 08:31 AM
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Or are you saying if the wipers are left in the intermittent mode (maybe lowest setting?) there is an actual external sensor that detects water that would automatically start the wipers?
That's the way it works, the sensor is behind/built in the rear view mirror, the only issue I have is that the turn on headlights with wiper function is hit or miss with the auto function, sometimes it works sometimes not
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#8 Old 03-05-2012, 10:16 AM
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Ah cool! I think that's what the small "clear/opaque" square is behind the rear view mirror. Must be a photosensor that either detects the light/dar transition of the wipers passing (initially), or that is sensititive enough to actually detect droplets of water on the windshield....anyway, very cool! I was wondering what that square was, LOL
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#9 Old 03-05-2012, 07:58 PM
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I've noticed that it will detect rain falling down, but not if I am driving through a mist. I am wondering if it is actually the tiny circle near the wiper blade pivot point, which would be shielded from mist.
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