Airbag connection / signal?

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Ray - 29 Aug 2004 13:01 GMT

I've recently seen a mini Mpi airbag and the electrical connector that is
inside the steering wheel.

I noticed that the connector did not appear to have any form of
'reverse-connection' protection. It is a 2-way connector and it looked like
it would fit the airbag connector normal and 'upside down'.

This left me to wonder what kind of signal is going to the airbag. Is it a
DC voltage, or perhaps AC?
Is the airbag input protected against reverse-connection?

Anybody here who knows this?

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Bye, Ray

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Graham W - 29 Aug 2004 15:44 GMT

> I've recently seen a mini Mpi airbag and the electrical connector that is
> inside the steering wheel.

Real Minis don't have airbags - they have rubber cones or hydroelastic
displacers!

You might try alt.autos.newmini

> I noticed that the connector did not appear to have any form of
> 'reverse-connection' protection. It is a 2-way connector and it looked like
[quoted text clipped - 5 lines]
>
> Anybody here who knows this?

Since all it does is fire teh airbag, chances are it's not polarity
sensitive.

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Jono Barspeed - 29 Aug 2004 17:14 GMT

Dont be so quick in refering people to alternative groups, Mini's have had
airbags fitted as standard since the early 90's for some markets and in the
UK since the late 90's.

jono

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> > I've recently seen a mini Mpi airbag and the electrical connector that is
> > inside the steering wheel.
[quoted text clipped - 16 lines]
> Since all it does is fire teh airbag, chances are it's not polarity
> sensitive.

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drew - 29 Aug 2004 21:46 GMT

>> I've recently seen a mini Mpi airbag and the electrical connector that is
>> inside the steering wheel.
[quoted text clipped - 18 lines]
> Since all it does is fire teh airbag, chances are it's not polarity
> sensitive.

The MPI (Multi Point Injection) Minis did have airbags, seatbelt
pretensioners and side impact bars, so trying alt.autos.newmini is
probably a waste of time.....

Can't help with the problem though ;-)

Drew

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Tim - 29 Aug 2004 22:35 GMT

re-read Graham, it is a real Mini, a 1.3Mpi Rover Mini which did have an
airbag OK, so don't blast until you have the facts OK,,,BINIs are one thing
but to dis a Mini owner is quite somthing else ...geeezzzeeee

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Ray - 01 Sep 2004 21:26 GMT

It is indeed a Rover mini, multipoint injection build in 2000 (the last year
of production).
But I guess that it could indeed be a 'fire' signal, not polarity sensitive.
Thanks for that thought.

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Bye, Ray

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drew - 04 Sep 2004 01:02 GMT

> It is indeed a Rover mini, multipoint injection build in 2000 (the last year
> of production).
> But I guess that it could indeed be a 'fire' signal, not polarity sensitive.
> Thanks for that thought.

Well, you could always connect it to a digital storage oscilloscope and
then drive the car into a wall ;-) just make sure your scope triggers,
as I doubt you would get chance to repeat the experiment......

Drew.

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