Passenger seat airbag sensor ?

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Old Mar 25, 2010 | 04:57 PM
  #1  
new2me's Avatar
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Passenger seat airbag sensor ?

So, when I have a passenger in the front that weighs around 115 the sensor thinks it's a child and turns the bags off. I took it into the dealer yesterday and they've had it since and of course can't duplicate the problem. It does it frequently, but not every single time for the whole time there's a passenger. Has anyone else had this problem. The dealer says I can come tomorrow to take a ride with the tech or I can just come get it now. I don't know what to do.
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Old Mar 28, 2010 | 05:55 PM
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acuratech239's Avatar
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From: Amish Country PA
http://tor.in.honda.com/Rjanisis/RJAAI003_205.htm

Hopefully that link works. If not, here's the text:


AIRBAG OFF Indicator Turns On and Off With Front Seat Occupied
Currently Applies To: ’03–08 MDX, ’07–08 RDX, ’05–08 RL, ’05–08 TL, and ’06–08 TSX

PASSENGER AIRBAG OFF INDICATOR PASSENGER’S SEAT WEIGHT SENSOR

The passenger’s front airbag system has weight sensors that are mounted under the seat. If those sensors detect the weight of a front passenger weighing up to approximately 65 lbs (normally an infant in a child seat or a small child), the system automatically turns off the passenger’s front airbag to reduce the chances of an airbag-related injury. When the airbag is turned off, the PASSENGER AIRBAG OFF indicator also comes on.
These seat weight sensors measure just the weight that’s actually on the seat cushion. They’re not measuring the weight of the front passenger’s legs extending to the floor or arms resting on the armrests. Because of the way the airbag system works, a front seat passenger who weighs near the airbag’s cutoff threshold can cause the airbag and the indicator to repeatedly turn on and off just by moving around in the seat and shifting his or her weight. This may cause some service clients to think there’s something wrong
with the airbag system. If you get a vehicle in your shop for this complaint, keep all of this in mind before considering any sort of troubleshooting. If your client isn’t convinced that everything’s OK, a simple demo on how the seat weight sensors work might be helpful. Connect the HDS, and go to the SWS Data List. The front passenger seat is now a digital scale. Sit back squarely in the seat with your feet on the floor and your arms resting on the
armrests. Read the SWS value on the display screen. Since it’s not measuring the weight of your legs and arms, the SWS value will be less than your actual weight. Now, tuck in your arms and legs to focus your weight on the seat cushion. The SWS value will increase to show the added weight measured by the sensors. It’s then easy to see how a passenger in the seat who weighs near the airbag’s cutoff weight might cause the airbag and the indicator to repeatedly turn on and off. If your client has concerns about the safety of the front seat passenger, remind him or her to review the O/M, especially the material about protecting children. The National Highway Traffic and Safety
Administration (NHTSA) recommends that all children age 12 and under be properly restrained in the back seat. During hard braking or in the event of a collision, children riding in the back are less likely to get hurt from hitting interior vehicle parts and are protected from an inflating passenger’s front airbag.
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Old Apr 2, 2010 | 04:13 PM
  #3  
new2me's Avatar
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THank you so much for taking the time to respond. Of course the car didn't do it when I went to take a ride with the technician. I ended up taking the car home. And it does it still every time my 115lb butt sits in the seat, but if I wiggle around re-situate it turns off. It's kind of annoying, but something I can deal with. Thank you for the information!
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Old Apr 3, 2010 | 11:51 AM
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acuratech239's Avatar
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From: Amish Country PA
Glad I could be of help. We have one or two people a month who question us as to why the indicator goes on and off. And typically, I'll show the customer exactly what the Service News suggests us to do, and that of course being to hook up the HDS and show the actual weight on the seat, and how it doesn't include legs and sometimes arms.

Either way, when you took it in, I'm hoping that they at least scanned the SRS system just to make sure there were no DTCs. And assuming there aren't, while I'm sorry it annoys you, there's not much else that can be done!
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Old Oct 15, 2011 | 11:27 AM
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AccordinGB's Avatar
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values?

Any way to determine what the value range is that these senders provide?
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