Denny
Now if we could pay some junk dealer just a little extra.
Maybe he would cooperate.
Harvey
----- Original Message ----
From: Dennis Fritz <[log in to unmask]>
To: [log in to unmask]
Sent: Fri, August 27, 2010 1:22:47 PM
Subject: SPAM-LOW: Re: [TN] Toyota Corolla recall tied to solder joint
Richard,
Back in March, when the unexplained acceleration issue was on every newscast, we
bought a 2009 Engine Controller for a Toyota Corrola from E-Bay. We could not
get one from dealers or from junkyards, and at first we thought there was a
giant news clampdown from Toyota. However, we found that all electronics
modules from newer car models are pulled out and re-tested to go back into stock
(GM, Ford, Honda, all do the same. ). We were looking for tin whiskers on the
ECM at the SAIC Merrillville IN lab.
We found on the 2009 EC module that Toyota was still using eutectic solder, and
the board was heavily conformal coated. No whiskers possible!! The board was
watermarked "Hitachi", so probably made in Singapore or China. We could not
tell the assembler. But, another article this week about this recall says
Delphi/Delco is involved. I know Delphi has used Hitachi for boards for many
years, so we may have gotten one of these recall boards. I sent our module on
to Chris Mahanna at Robisan, as he wanted to look for another possilbe defect.
Maybe Chris can look for a varistor on the board and see if there are "starter"
cracks.
Of course, the recall is for specific engine/body style Corollas, so maybe we
didn't get a recall board.
Contact me off line if you are interested in any of the other details/pictures
from the Toyota model, or the "whiskers on commercial electronics" activities we
have going on at SAIC, Merrillville.
Denny Fritz
Senior Engineer - SAIC, Inc.
-----Original Message-----
From: Stadem, Richard D. <[log in to unmask]>
To: TechNet <[log in to unmask]>
Sent: Fri, Aug 27, 2010 12:32 pm
Subject: Re: [TN] Toyota Corolla recall tied to solder joint
Lead-free?
-----Original Message-----
rom: TechNet [mailto:[log in to unmask]] On Behalf Of Mike Buetow
ent: Friday, August 27, 2010 10:06 AM
o: [log in to unmask]
ubject: [TN] Toyota Corolla recall tied to solder joint
More Toyota troubles, this time because of a solder joint.
http://www.thecarconnection.com/marty-blog/1048692_toyota-recalls-1-1-mi
lion-corolla-matrix-cars-for-stalling
Mike Buetow
Circuits Assembly
w/m 617-327-4702
>>> The CIRCUITS ASSEMBLY Directory of EMS Companies -- Nearly 2,000
istings -- in Excel -- circuitsassembly.com/cms/ems-directory <<<
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