Latest IMA Software Update - Drving Impressions
Yesterday I had had the airbag recall done and I also asked for the latest IMA software update about which Honda sent letters to owners.
I've had the previous updates done a couple of years ago, and those drastically improved the battery management and I was mostly happy with them (the car was terrible before that, constantly draining and recharging the battery instead of keeping it at more optimal levels).
This latest update I am not sure if it is an improvement overall or not. I think it is, but I have some concerns. Here is why.
In terms of drivability, I think it is a good one - the battery is more eager to assist on acceleration and it also regenerates harder. This results in more eager and brisk acceleration and more energy is recaptured during deceleration. The battery is kept more aggressively in the middle to 3/4 full, as it should, which I think is good too. However, I think the battery is being used more than before with this update, which is not necessarily good for it. Hopefully, the use being more in the middle of the SoC range, meaning less swing between too charged and too discharged would compensate for the increased use, so overall life won't be affected much (while drivability is better).
Can't tell if fuel economy is any different, my consumption varies way too much due to where and how I drive to be able to tell for sure. Seems similar enough to before in typical situations though.
I find it harder after the update to find a sweet spot where the batter neither assists nor regenerates. The car seems more eager to get battery assist or to start charging the battery. I would prefer to have some "dead zone" or whatever we could call it, where the car would use only the gas engine and not use or try to charge the battery, but that seems harder to find than before.
FYI, when I picked-up the car the battery showed completely empty (which I'm sure it wasn't). It charged itself after a few miles to completely full, then settled to it's normal 3/4 full or so as an average. Took probably 5 miles to get to that point after the service.
2011 Honda Insight Base
Last edited by Kocho; 04-06-2017 at 09:12 PM.