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How to tell when the airbags have deployed?
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Mark2465
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Sep 12, 2019, 12:05 PM
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How to tell when the airbags have deployed?
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I'm working on a business idea, related to car safety.
I need to catch the electrical signal, the moment when any airbags were just deployed.
How to do that?
Thanks.
Mark2465
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Hammer Time
Ultimate Carjunky
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Sep 12, 2019, 12:22 PM
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Re: How to tell when the airbags have deployed?
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Connect a lab scope to the air bag wires and crash into a tree is about the only way.
If you intentionally trigger the bag electrically you will corrupt the electrical signal.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Mark2465
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Sep 12, 2019, 12:43 PM
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Re: How to tell when the airbags have deployed?
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Thanks for the fast reply, Hammer, but I certainly do not want to intentionally deploy the airbag.
I want to know when the deployment has occurred. On any vehicle.
Is there some (easy) way to tap into that electrical circuit, for All installed airbags?
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Hammer Time
Ultimate Carjunky
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Sep 12, 2019, 12:47 PM
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Re: How to tell when the airbags have deployed?
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I'm not sure what you are trying to accomplish here but once any bag is deployed, the system is shut down and will not be operational until the bag, the control module and probably the sensor are replaced.
You can probably access the module with a high quality scan tool to look at data but I don't understand what else you are looking for.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Mark2465
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Sep 12, 2019, 1:44 PM
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Re: How to tell when the airbags have deployed?
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I want to know when an electrical signal is sent to an airbag to deploy. Does that make it clearer?
Yes, the airbag and other parts later need to be replaced. That's irrelevant for this project.
Wouldn't there be a signal that goes thru the fuse box, on the fuse that runs the airbags?
(This post was edited by Mark2465 on Sep 12, 2019, 1:46 PM)
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Hammer Time
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Sep 12, 2019, 2:00 PM
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No there wouldn't be. The fuse powers the module. The module fires the bag.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Mark2465
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Sep 12, 2019, 3:15 PM
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Re: How to tell when the airbags have deployed?
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Do you know?: Is there one module per airbag?That is: there might be up to ten modules that I would need to tap into? Is that true?Thanks.
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Hammer Time
Ultimate Carjunky
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Sep 12, 2019, 3:26 PM
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Re: How to tell when the airbags have deployed?
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No, there is only one and the only way you are going to tap into it is with a very expensive scan tool.
Don't even think about messing around with the wiring with the key on. Very dangerous.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Mark2465
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Sep 12, 2019, 4:05 PM
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Re: How to tell when the airbags have deployed?
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Darn. Sounds like I may need to forget about that attribute to this project.Thanks very much for your time and expertise, Hammer.
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Hammer Time
Ultimate Carjunky
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Sep 12, 2019, 4:09 PM
Post #10 of 11
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Re: How to tell when the airbags have deployed?
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Believe me, you don't ever want to mess with a live air bag system. We totally disable the system before we work anywhere around it.
You have to remember, this is basically a mini stick of dynamite that only needs a spark to go off.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Mark2465
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Sep 12, 2019, 6:49 PM
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Re: How to tell when the airbags have deployed?
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Got it. Thanks.
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