fprigge wrote:Canadian 2018 model here:
Finaly got some time to play around with the car today. Here are my conclusions of the 'triple procedure'. I used the Mitsubishi MUT-III SE software and a non-mitsubishi J2534 adapter.
1) BMU reset takes about 2 seconds to execute. Not clear to me what it does
2) Cell smothing is just a balancing. Since my cells were within 0.005V, it ran for maybe 10 seconds
3) DBCAM: looked at the numbers, MUT-III confirmed my 32.8Ah capacity I was getting from the dog. (43 000km, 17 months old). I ran the thing and it complained about not charging. Plugged the car in (was down to about 2 bars of battery), re-clicked the item and after 10 seconds it said 'done'. Whaaaat? This is not working? So I shut down the car and as soon as I hit the power button and the dash went dark, the fans started running full blast. The car was running the A/C and the heating at the same time! The radiator fans kicked in quite a bit. I was worried that the car would get too hot in my garage (32*C day), so I sparayed the radiator with my garden hose every 3-4 minutes. The car discharged it's 2 bars in about 20 minutes and continued a good half-hour. Visibly, it is discharging the battery way lower than when driving. Once this madness stopped, it started charging. Took about 5h. Now the dog shows 35.9Ah!
So it did measure 10% more capacity that the calculated degradation. I'll confirm tomorrow on my way to work if this translated to real usable range, as my engine kicks in at the very same spot everyday.
EDIT: Did the same trip as everyday this morning, the engine kicked in 4km later (next highway exit). This is directly inline with the raised capacity. This Ah reported in the dog is no bullshit, this is really what the car uses to determine the "30%" SOC to start the engine.
fprigge thanks for this update. I also have a 2018 Canadian model with only 22,000 km and now at 32.6 Ah. My dealership in Calgary won't entertain doing anything with my battery unless Mitsubishi tells them to. So I will probably have to use your procedure myself. Would be great if you lived close and could assist.