Mazda3 2005 Air Bags failed to open after frontal crash

[Benfolio]

Modern airbag systems need at least TWO sensors to detect a crash severe enough to deploy the bags. Or in the case of this car, the front sensor and the SAS module.

 

[gwai1o]

hmmm...Arent government crash test done @ 35mph? I'm not sure on this but most cars I see crash tested have @ least minimal exterior cabin deformation (I know the intorior was a bit tore up in the original pic) the outside of the car in question looks in absolute perfect condition along with the front quarter. I realize that they basically scewered the 3 with a knife, but of they were going over 35mph, there should be more damage..

Were the brakes applied when you realized you were going to get into an accident? slowing you down just enough before PoI to void the airbags?

If you ran into it @ full speed, wtf? I'm not trying to be rude and or insensitive but do you have bad vision or were you drunk? did you not realize you were not in your lane anymore?

something is not adding up. again, i am not trying to be an ass because that looked like a scary accident, and I'm glad you guys are ok, but you are being very vague on the whole thing..

 

[sano]

air bag sensors are not desiged to " sense" anything,it's not a sensor it's a simple switch.

you have a magnet holding a gold plated ball with current going through.when you crash the forces cause the ball to come off the magnet making an incomplete circuit. in order for the airbag to actually go off,you have to have a minimun of 2 of these switches go off simultaneously

False. Old air bag systems used switches. These are the kind in which you could rear end someone at 5mph and your air bags would blow in your face. Newer systems used accelerometers to detect how fast you're decelerating. Note that you need a high rate of deceleration to make the airbags go off.

I don't think any new car has an old switch style airbag system. Most new cars have a seperate computer to calculate whether or not the airbags go off.

 

[know_no_limits]

False. Old air bag systems used switches. These are the kind in which you could rear end someone at 5mph and your air bags would blow in your face. Newer systems used accelerometers to detect how fast you're decelerating. Note that you need a high rate of deceleration to make the airbags go off.

I don't think any new car has an old switch style airbag system. Most new cars have a seperate computer to calculate whether or not the airbags go off.

Then how do side impact airbags on my new 3 work?? I almost never drive the darn thing side ways...

 

[sano]

Then how do side impact airbags on my new 3 work?? I almost never drive the darn thing side ways...

I would assume the same way.

 

[Saint-Knight]

wait people...has been any accident on the car before???
If it had , then it might be that the guy who fixed it didn't connect them or airbags were blewn before!!!

 

[TheMAN]

hmmm...Arent government crash test done @ 35mph? I'm not sure on this but most cars I see crash tested have @ least minimal exterior cabin deformation (I know the intorior was a bit tore up in the original pic) the outside of the car in question looks in absolute perfect condition along with the front quarter. I realize that they basically scewered the 3 with a knife, but of they were going over 35mph, there should be more damage..

Were the brakes applied when you realized you were going to get into an accident? slowing you down just enough before PoI to void the airbags?

If you ran into it @ full speed, wtf? I'm not trying to be rude and or insensitive but do you have bad vision or were you drunk? did you not realize you were not in your lane anymore?

something is not adding up. again, i am not trying to be an ass because that looked like a scary accident, and I'm glad you guys are ok, but you are being very vague on the whole thing..

maybe in the US... but that's 31mph IIRC.... didn't you read the thread? the car is a NON-US SPEC, meaning it has NON-US safety equipment! The parts are ECE compliant and ECE testing is different than DOT's... it's also at 50km/h

 

[know_no_limits]

I would assume the same way.

If I were to get T-boned in an intersection, do you think my forward speed would decrease fast enough to make my side airbags deploy? Are all the Airbags in the car set to deploy at the same time, every time? That doesnt make any sense.

 

[orphman]

If I were to get T-boned in an intersection, do you think my forward speed would decrease fast enough to make my side airbags deploy? Are all the Airbags in the car set to deploy at the same time, every time? That doesnt make any sense.

they work a littel dif. he's talking about front impact sensors... a side impact will measure a dif. g force from a perpendicular angle... to the front