CarMD or similar device any good?

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me@privacy.net - 23 Apr 2007 19:22 GMT

Anyone have experience or knowledge with one of these
devices?

It cost abt $90 and connect to the data port of your
car and helps diagnose any problems.

My 2000 Mazda Protege check engine light keeps coming
on and the dealer wants $120 JUST to hook the analyzer
up to it!!

see link

http://carmd.com/

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XS11E - 23 Apr 2007 20:18 GMT

> Anyone have experience or knowledge with one of these
> devices?
>
> It cost abt $90 and connect to the data port of your
> car and helps diagnose any problems.

There are a bunch of these things around and they'll all read the code
stored when a fault occurred. Prices vary.

You can probably get the code read at no cost by going to Auto Zone or
other parts house and asking them.

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J Brockley - 25 Apr 2007 04:33 GMT

> Anyone have experience or knowledge with one of these
> devices?
[quoted text clipped - 9 lines]
>
> http://carmd.com/

You could do it for around 20c. The Mazda's I've owned have diagnostics
enabled by looping the TEN and GND terminals in the dianostic connector.
When the ignition is turned on the engine check light will flash the codes.
If it doesn't you may need to monitor across the FEN and B+ terminals with a
voltmeter. An alternative to voltmeter is a LED and 1.2kohm resistor is
series with one leg.

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Chuck - 26 Apr 2007 23:16 GMT

Older Miatas-yes--OBD2 models - NO!

>You could do it for around 20c. The Mazda's I've owned have diagnostics
> enabled by looping the TEN and GND terminals in the dianostic connector.
> When the ignition is turned on the engine check light will flash the codes.
> If it doesn't you may need to monitor across the FEN and B+ terminals with a
> voltmeter. An alternative to voltmeter is a LED and 1.2kohm resistor is
> series with one leg.

> > Anyone have experience or knowledge with one of these
> > devices?
[quoted text clipped - 16 lines]
> voltmeter. An alternative to voltmeter is a LED and 1.2kohm resistor is
> series with one leg.

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