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Sherlock Ohms

Brake Lights Were on the Blink

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JimT@Future-Product-Innovations
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Blogger
Re: auto diagnostics
JimT@Future-Product-Innovations   1/10/2013 12:46:34 AM
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That's reasonable and sound advice;  but I think you are picturing something entirely different than the actual application I was troubleshooting.  It wasn't mounting a motherboard on a chassis (i.e. like a computer tower or cabinet card rack); the situation was a mini transceiver with a diecast under casing, designed by the OEM for direct PCB mounting.  The host PCB is intended to be handheld portable size, about 3 inches in length typically.  So you might imagine why the detecting the failure mode was so elusive; because the design was in complete conformance with the developer's kit recommendations.  (which now, is quite clear, illustrates its a potential failure mode waiting to happen).

Cadman-LT
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Platinum
Without the dealer
Cadman-LT   1/12/2013 12:21:17 PM
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At least you were smart enough to fix it without going to the dealer who would have charged you a fortune...which is what they want!

notarboca
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Gold
Re: auto diagnostics
notarboca   1/22/2013 1:10:49 PM
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3drob--publishing the technical specs and code for components will be a sure advantage to consumers.  I don't think the average Joe will need them, while us DIYers will become more adaptable at working on these formerly "unfixable" problems.

William K.
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Platinum
Re: auto diagnostics
William K.   2/4/2013 10:20:12 PM
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Publishing the explanations for those fault codes could be quite useful. I sold a car with the caveat "No guarrantee that it will get you home" because it would periodically die, often while running at 25 or 35MPH. No cough or sputter, just all at once no engine power. The new owner, a friend who purchased it understanding that it had a problem, eventually found that the "processor reset" code message was brought about by a very intermittent short circuit to ground of the power supply feed terminal, inside one of the fuel injectors. But how was that cryptic statement going to be traced to a short circuit leading to the reset?

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More Blogs from Sherlock Ohms
Sherlock Ohms highlights stories told by engineers who have used their deductive reasoning and technical prowess to troubleshoot and solve the most perplexing engineering mysteries.
Sherlock Ohms highlights stories told by engineers who have used their deductive reasoning and technical prowess to troubleshoot and solve the most perplexing engineering mysteries.
Sherlock Ohms highlights stories told by engineers who have used their deductive reasoning and technical prowess to troubleshoot and solve the most perplexing engineering mysteries.
Sherlock Ohms highlights stories told by engineers who have used their deductive reasoning and technical prowess to troubleshoot and solve the most perplexing engineering mysteries.
Sherlock Ohms highlights stories told by engineers who have used their deductive reasoning and technical prowess to troubleshoot and solve the most perplexing engineering mysteries.
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