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Do the airbag impact sensors need to be repaced after an airbag deployment?

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Absolutely, and have to have the system checked by a registered repairer as these devices are powered by explosive charges and should not be worked on without the correct equipment and registration

Posted on May 13, 2014

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Why didn't Nissan airbag deploy?


Speed....point of impact.....all make a difference on when an airbag deploys it is possible to have an accident and the airbag will not deploy the sensors have to register an impact of certain size and weight to deploy .....in older cars you are probably glad they did not deploy because they often blacked eyes broke noses and caused Neck injury by the amount of force they deployed at..
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Location airbag sensors on a 2001 Chevy Venture


Not being too familiar with the Chevy venture apart from being in the vacinity of the radiator somewhere the only other option I would of thought is on the front part of a chassis rail where the bumper bolts to my reason being is that you would not want the airbags to deploy from a slow impact but a more fierce impact when damage could start to crush the front part of the chassis then the airbags would be deployed

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Airbags have specific criteria for deployment that determines whether impact was severe enough to deploy bags or whether only 1 stage deployment is needed or may decide impact was minor enough that deployment of airbags could potentially be more dangerous than the actual impact. For instance I was on the expressway last year going 65mph and someone rear ended me at over 100mph. Totaled my Ford Focus, her airbag did not deploy. Over certain speeds depending on the vehicle calibration, and airbag should never deploy. With an impact under a designated speed or over a designated speed a deployment can be dangerous. As long as your airbag light was not on before the crash I'd say your system was working properly and did not malfunction. If your airbag light ever comes on just keep in mind that any airbag malfunction will disable the system and turn on the light

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2007 Tundra. Had accident that pushed in drivers light and deployed airbags. Repaced airbags and airbag light is still on. How do I reset.


With scan tool,but light should reset when truck is started, it runs quick test after starting ,theres a problem in the air bag system,did you replace crash sensors and module tested okay.

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Airbag locations


In the steering wheel and passenger side dash.Due to the age of the vehicle probably doesn't have the curtain "side" airbags.The airbags were designed primarily for head on collisions. Here is some useful information to why the may have not deployed courtesy of http://www.asashop.org/autoinc/dec2001/collision.htm
How Air Bags Work To have a frontal (driver or passenger) air bag deploy, certain criteria must be met. One of these criteria is that the frontal impact must be within a 60-degree window, occurring within 30 degrees from the vehicle's centerline. Another key element is that the crash forces are equivalent to a head-on collision with an immovable barrier at 10-15 miles per hour. Because a typical automobile accident only lasts about 0.125 (1/8th) of a second, air bags deploy within 15 to 20ms after the initial crash impact. To create a protective cushion between the occupant and the vehicle's interior, the air bag inflates at speeds up to 200 mph within approximately 30ms after impact. This allows the occupant to contact a fully inflated bag within approximately 45 to 50ms after the initial crash impact. Approximately 100ms after impact the bag deflates.

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Where are the airbag sensors on a 2002 Malibu? Daughter ran off road, hit ditch & did damage to right front from headlight down....both airbags deployed...is that normal?


Hi, the impact sensors for the air bags are usually located between the headlights more or less at the lowest point of the headlights. It is possible that the air bags will deploy as the impact sensors work with vibration. If the vibration is big enough to activate the sensor the air bags will deploy.

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I totalled my 1999 chevy s-10 and the airbag in the steering wheel didnt go off and i was wondering how to look and see if it was disabled


Do you want to know if the airbag was disabled or if the sensors were disabled? But basically, if the impact was from the side or rear, the airbag won't deploy. If the impact was from the front and went over the front bumper, again, the airbag wouldn't deploy.

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You triggered the impact sensor.(usually on or near the front bumper) It will need to be re-set or replaced, and obviously, you need to replace airbag.

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1 Answer

SRS light blinks 3 times


u will have to replace those vehicle impact sensors...remember some vehicles are different . never had to do it the past doesnt always mean its not the problem now...there is also more than those 2 front impact sensors in that vehicle..i know there are a couple inside the vehicle as well. under the front carpet and seats..the impact sensors inside the car are for ur side impact airbags and can be bad or reading deployed even if they didnt blow..good luck ...

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1994 dodge spirit airbag reset


Airbags should only be installed by a qualified airbag technician after deployment. I HIGHLY suggest you do not try this yourself. If the airbag deployed due to impact the sensors in the point of impact need to be replaced. If you install the SRS incorrectly you may start the car and get a face full of safety. DON'T DO THIS YOURSELF and anyone who suggests you do is not qualified to call himself a responsible technician.

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