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Date:         Sun, 14 Sep 2014 07:09:26 -0300
Reply-To:     Roy Nicholl <RNicholl@NBNET.NB.CA>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Roy Nicholl <RNicholl@NBNET.NB.CA>
Subject:      Re: ECU: burned parts. PICS (Jetta Engine in Vanagon)
Comments: To: Raymond Markett <raym02@YAHOO.COM>
In-Reply-To:  <E562A659-A3F8-44B9-B9BD-490FB2C02339@yahoo.com>
Content-Type: text/plain; charset=us-ascii

If they were adhering to IEEE 200-1975 (in effect at the time), BT would be battery and there would be no ambiguous 'B's

'B' can also be used for a 'blower' (or 'motor'), but that is also unlikely in this instance. Is the schematic for the ECU available someplace?

Given that ECUs are endangered, does the list knowledge know if anyone has attempted to transfer the functionality into software - which could be run on a rather inexpensive embedded system? Obviously such a solution would be costly as there would be insufficient demand to scale, but it would make it possible to add an OBD interface to the Vanagon :-O. ... of course, it would probably be more effective to simply add a Subaru flat-four with its proven computer control system.

On 14-Sep-2014, at 05:45, Raymond Markett wrote:

> Wow! It looks like reversed polarity or a short caused a high current and burned the components. R usually stands for resistor, D for diode and C for capacitor. B usually stands for battery but that doesn't make sense in this case. I would guess that B202 is a inductor or coil. L usually stands for coil on U. S. schematics, but maybe VW uses B for the B field associated with a coil. > > Sent from my iPhone > >> On Sep 13, 2014, at 9:40 PM, Neil N <musomuso@GMAIL.COM> wrote: >> >> Hi all. >> >> As promised, the gory details. Images of my partially fried ECU: >> >> https://picasaweb.google.com/musomuso/Motronic29ECUBurnedPartsEngineStillRan >> >> Can anyone take a guess at what this part is, or was? ;) >> >> B202 shown here: http://tinyurl.com/qxeceae >> >> My close up shots are usually better. Sorry for poor quality images. I >> generally don't use my good camera while in the shop. >> >> Neil. >> >> -- >> Neil n >> >> Blog: tubaneil.blogspot.ca >> >> '88 Westy http://tinyurl.com/c8rlw6p >> >> '81 VanaJetta 2.0 "Jaco" http://tubaneil.googlepages.com/ >> >> Vanagon VAG *Gas* inline-VR Engine Swap Group: >> >> http://tinyurl.com/d7gd5ej


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