So the new firmware worked then?
In the 2005 Insight I converted there is the extra OEM foam piece that sits below the OEM IMA battery. For that Insight the MCM and BCM rest on it (under the LTO batteries) and the MCM and BCM don't touch any part of the chassis. But the car works totally fine, no CEL.Just remember in your layout efforts that the BCM/MCM cases operate at electrical ground potential in the OEM.
No, not really. They do in the OEM configuration. My concern is that dangerous collision situations don't get set up. IF the BCM/MCM cases actually were at chassis ground potential, AND they were near the battery tops with no insulation between, then that could be a dangerous combination in a roll-over situation. The use of aluminum threads to anchor the packs (as I have done), seems a bit weak in that scenario. But I suppose none of us are going to do DOT level collision testing so all such questions are just speculationAre you saying the two computers NEED to touch the chassis?
I thought I did reveal the theory. Safety is all just conjecture with these conversions. We don't really know for sure how effective any configuration really is. We can make judgementsIt would also be nice to hear the thoughts and theory behind such acertions. That way I (we) can make informed decisions.
Yes, it is a good piece of information to have. If I had thought it through, I would have realized that the BCM/MCM cases are effective Faraday shields.