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by coulomb
Wed Oct 24, 2018 6:47 pm
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 143
Views: 22181

Re: my Miev will not charge

kiev wrote: A worn out aux can prevent READY.

If it's been sitting idle in the workshop for months, even a new auxiliary battery could die, or at least require a good long charge.

That would be worth checking for sure.
by coulomb
Wed Oct 24, 2018 5:28 am
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 302
Views: 17068

Re: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter

Coulomb has suggested using a natural cure silicone sealant "silastic". That's neutral cure, as in neutral pH. The kind that cures with acetic acid is of course acidic, which in addition to the corrosion etc is conductive , at least while curing (which could take days to complete if it's ...
by coulomb
Fri Oct 19, 2018 6:46 pm
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 302
Views: 17068

Re: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter

am I understanding this correctly that these cap and resistor are there to protect the relay contact, mainly upon disconnect ? No. The relay merely shorts the pre-charge resistors, so that full power is available for charging. Certainly, it's best to stop charging by the switch on the J1772 connect...
by coulomb
Thu Oct 18, 2018 7:02 pm
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 302
Views: 17068

Re: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter

I happened across this today, from the DiyElectricCar.com forum, DIY Tesla Controller topic: "Root cause of the drive unit inverter failures discovered and fixed. NOT caused by overcurrent through the igbts but rather the combination of using 8.8kHz switching frequency through a very low induct...
by coulomb
Thu Oct 18, 2018 6:11 pm
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 143
Views: 22181

Re: my Miev will not charge

Well my wife has vowed not to get an EV again until they are commonplace. Totally understandable, but really bad for EV adoption in Australia. Though it sounds like dealers in the USA aren't necessarily much better. Hopefully that is not too far away. Oh joyful day when that happens. Part of our de...
by coulomb
Thu Oct 18, 2018 3:07 pm
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 143
Views: 22181

Re: my Miev will not charge

All we know is "software giving errors". It sounds like a VIN mismatch error to me. We know that old and replacement chargers from some junkyard don't care about VINs, but maybe brand new chargers do. Presumably, they are following service procedures for your early model vehicle, but I don...
by coulomb
Sun Oct 14, 2018 4:41 am
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 143
Views: 22181

Re: my Miev will not charge

Now it won't go into "ready" mode. We reassembled everything after replacing snubber caps in the OBC. Put in temporary fuse. No charging. Decided to sleep on it. Is the temporary fuse easy to remove? I'd pull the service connector and wait 10 minutes before doing this. If so, does it now ...
by coulomb
Sat Oct 13, 2018 6:12 pm
Forum: Instruments - Radio/USB/Nav - CAN - Climate Controls - Remote
Topic: What actually is MUT III in detail?
Replies: 8
Views: 561

Re: What actually is MUT III in detail?

VCI = Virtual Circuit Identifier? Vehicle Communications Interface. That's the hand-held part; the MUT looks like it's a smallish ruggedized laptop. There are two models; the one with the small display and three buttons, and the VCI-Lite without a display at all. I believe that the VCI can communic...
by coulomb
Sat Oct 13, 2018 5:56 pm
Forum: Instruments - Radio/USB/Nav - CAN - Climate Controls - Remote
Topic: What actually is MUT III in detail?
Replies: 8
Views: 561

Re: What actually is MUT III in detail?

What about leaving the MUT software alone and just "faking" a VCI? You still need to know the various CAN IDs, data formats, how to clear error codes, etc. All that required detail is only contained in the MUT software, as far as I know. Certainly, we'd want a hardware platform more conve...
by coulomb
Fri Oct 12, 2018 5:50 pm
Forum: Instruments - Radio/USB/Nav - CAN - Climate Controls - Remote
Topic: What actually is MUT III in detail?
Replies: 8
Views: 561

Re: What actually is MUT III in detail?

I think it's possible to write an open source MUT clone. I have a copy of a Mitsubishi update CD which may contain the required information. But it will require a lot of reverse engineering and time. There is a small chance I'll find the time to attempt this, and that I have enough skills to do it.

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