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March 2010

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Subject:
From:
Steve Gregory <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Steve Gregory <[log in to unmask]>
Date:
Thu, 18 Mar 2010 18:43:33 -0400
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text/plain
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Hi Bob,

You're probably getting flooded with requests, but I would like them as
well.

Thanks a bunch!

Steve Gregory

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bob Landman
Sent: Thursday, March 18, 2010 5:43 PM
To: [log in to unmask]
Subject: Re: [TN] More on Toyota

Yes, it's a whitewash job, IMHO. I invited Dr Gilbert to our weekly  
tin whiskers telecon last week.  He was very humble and forthcoming on  
what he knew and what he did not know.

He shared pictures of the APP (accelerator pedal module) which has SMT  
resistors and caps and a small SOIC package that converts two  
redundant Hall sensors that the magnets attached to the pedals move  
by.  That results in a 1-4Vdc signal.  Tin plated connector soldered  
to the board.  Plenty of locations for whisker shorts to do what  
Toyota's so-called expert said "can't possibly happen".

If you would like to see the pictures and his technical report I'd be  
happy to share them with you.

Bob Landman
H&L Instruments, LLC

Sent from my iPhone

On Mar 18, 2010, at 12:48 PM, Chris Mahanna <[log in to unmask]>  
wrote:

> Has anyone else reviewed the Toyota slideshow and related PR on the  
> Dr. Gilbert debunking?
>
>
http://pressroom.toyota.com/pr/tms/document/Exponent_ProfGilbert_8Mar10.pdf
>
> As part of their "defense" they have totally laid-out the fault tree  
> and required sequencing.
> Assuming that it is an under-hood box, with a little material and  
> process information (like finish, solder, laminate, compliant pin?)  
> it appears to me to likely be a quick FA.
> The fact that there is complete silence about any (IMO obvious) FA  
> hypothesis is very intriguing.
>
> Although I have no specific information!, I think it highly unlikely  
> that Toyota doesn't know the root (electronic) cause for at least  
> some of them.
> If Michael Pecht or one of my competitors has their hands on a  
> faulty unit the public should know the answer soon enough.  If not,  
> it probably means tort beat quality one more time (aren't they  
> supposed to work in consort!?)
>
> I think it will be very interesting to see how the legislators and  
> regulators handle such a situation.
>
> Chris
>
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