Disguised scan tool

[steve ravet]

That's an interesting idea.  Would the BCM from a particular car only
understand the ECM from the same one?

If nothing else the BCM code would contain the info for converting ECM
values to real world values.

--steve

Shannen Durphey wrote:
> 
> I just realized that GM is making scan tools that the average joe can
> get cheap.  They happen to look like the BCM in upscale cars.  Most of
> these read the data stream off the same serial data line as the scan
> tool, and most give access to test functions that aftermarket scan
> tools won't.  tTo make a real trick unit, get the wiring for the Olds
> with the CRT, and find out if there's a special video driver there
> that can be ordered separately.  That car displayed several data
> parameters at once.  After that, you'd need to find a small tv screen
> and be all set.  Fred B, you've played with this one.  Any chance for
> the idea?
> Shannen
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-- 
Steve Ravet
steve.ravet at arm.com
Advanced Risc Machines, Inc.
www.arm.com
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