Search found 75 matches

by mark_hetho
Today, 06:45
Forum: Mitsubishi
Topic: replacing the ECU and the battery pack in Miev 2010
Replies: 6
Views: 100

Re: replacing the ECU and the battery pack in Miev 2010

We repaired our charger. The dealer was going to replace the EV ECU first, since it is less expensive, and then the charger. Total cost would have been around $6000. The parts for the repair were under $100. Diagnosing the fault is reasonably straight forward - once the cover is off the charger ther...
by mark_hetho
Wed, 30 Jan 2019, 12:14
Forum: Mitsubishi
Topic: Aftermarket iMiEV battery upgrade project
Replies: 81
Views: 9630

Re: Aftermarket iMiEV battery upgrade project

Apparently the register used to transmit battery capacity as a can packet only reads 0-60Ah (BMU Item 23/24 http://mmc-manuals.ru/manuals/i-miev/online/Service_Manual/2013/54/html/M154945550005600ENG.HTM ). I think the 45Ah threshold is where they want it to calibrate to after cycling a new pack for...
by mark_hetho
Tue, 15 Jan 2019, 09:20
Forum: Mitsubishi
Topic: Replacement Battery Options for 2012 i-MiEV?
Replies: 20
Views: 1348

Re: Replacement Battery Options for 2012 i-MiEV?

I'm fairly sure that mmcmanuals site is a copy of what is on the imiev service manual disks, adapted to not require internet explorer and be compatible with other browsers.
I mucked around with the disc files bit and got pages very similar to what is up there.
by mark_hetho
Wed, 09 Jan 2019, 10:14
Forum: Mitsubishi
Topic: Replacement Battery Options for 2012 i-MiEV?
Replies: 20
Views: 1348

Re: Replacement Battery Options for 2012 i-MiEV?

hmm... Depends on what it does above that value.... if it overflows to the negative it would certainly give the fuel gauge and guess o meter a hard time.

But it might still drive OK until it hits a voltage limit?
by mark_hetho
Wed, 09 Jan 2019, 06:19
Forum: The Lounge
Topic: Solar panels on an EV roof
Replies: 17
Views: 721

Re: Solar panels on an EV roof

On a minicab I'm not sure. On the hatchback there is a relay under the back seat, which fires the quick charge contactor when the coil is activated. The circuit needs to be completed via an earth pin in the chademo circuit. However, this won't trigger the chedemo handshake to get the EV ECU into "re...
by mark_hetho
Wed, 09 Jan 2019, 04:32
Forum: The Lounge
Topic: Solar panels on an EV roof
Replies: 17
Views: 721

Re: Solar panels on an EV roof

You can tap into the fast charge relay and trigger it to close manually, which closes the fast charge contactor's and gives a direct connection to the pack from the chademo port. It might confuse the state of charge calculation if the EV ECU isn't active and monitoring current flows though. But I ca...
by mark_hetho
Sun, 30 Dec 2018, 05:56
Forum: Mitsubishi
Topic: Replacement Battery Options for 2012 i-MiEV?
Replies: 20
Views: 1348

Re: Replacement Battery Options for 2012 i-MiEV?

Just trying to find some info on the replacement troubles and how they were overcome. I think Larry's was a whole pack replacement? From what I can understand of it, the troubles were the car firmware not being compatible with the pack firmware. This makes me think you wouldn't see this problem if y...
by mark_hetho
Sat, 29 Dec 2018, 14:11
Forum: Mitsubishi
Topic: Replacement Battery Options for 2012 i-MiEV?
Replies: 20
Views: 1348

Re: Replacement Battery Options for 2012 i-MiEV?

A 15k quote from Mitsubishi seems reasonable: https://www.amayama.com/en/part/mitsubishi/9450a021 However I'm hoping there are better options when out imiev doesn't have the range we need anymore. My interim plan is to get a charger installed at work. Beyond that I'm quite interested in higher capac...
by mark_hetho
Fri, 21 Dec 2018, 06:52
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

We wanted to remove one bus bar that was in the way of where we were working. However one end of it was quite close to another bus bar, so we tried to carefully loosen the bolt, but found we were burring it. However if one was removing all the bus bars, you can start from the more accessible ones on...
by mark_hetho
Wed, 19 Dec 2018, 05:24
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

Best commute to work I've had in a while this morning!

Also I have a pretty good handle on how I'd go about replacing the cells, after seeing the way the pack goes together.
by mark_hetho
Tue, 18 Dec 2018, 10:25
Forum: Mitsubishi
Topic: i-MiEV not charging, high voltage warning light and battery
Replies: 155
Views: 11976

Re: i-MiEV not charging, high voltage warning light and battery

You may be right.

But i think I've learnt enough to fix it all myself now!

Also found the charger is significantly cheaper at amayama!
by mark_hetho
Tue, 18 Dec 2018, 03:07
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

We've successfully repaired the pre-charge circuit by fitting a 22Ω 200W resistor. We initially ordered a 50W unit, but it just looked physically less robust than the manufacturer part.

The car is now charging again.
by mark_hetho
Tue, 18 Dec 2018, 03:03
Forum: Mitsubishi
Topic: i-MiEV not charging, high voltage warning light and battery
Replies: 155
Views: 11976

Re: i-MiEV not charging, high voltage warning light and battery

After a few wrong turns and detours our imiev is now fully charged again! Hurrah!

Without the detours we needed to replace two capacitors in the charger, and the on board charger (OBC) fuse in in the motor inverter. Knowing what I now know it should be a weekend job.
by mark_hetho
Fri, 07 Dec 2018, 07:00
Forum: Mitsubishi
Topic: i-MiEV not charging, high voltage warning light and battery
Replies: 155
Views: 11976

Re: i-MiEV not charging, high voltage warning light and battery

Good to hear it is back on the road. I hope it goes to a good home.
by mark_hetho
Mon, 03 Dec 2018, 03:23
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

When I think of SMDs, I'm thinking of the tiny components that solder direct to a PCB - but I guess in a very literal way this is a surface mount device also, just onto a larger surface! That notation makes a lot of sense on smaller components with limited space. I guess to save confusion(?) they've...
by mark_hetho
Sun, 02 Dec 2018, 17:42
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

I'm familiar with resistor colour charts, but is there some kind of reference for numeric codes? I'm sure I've seen ceramic resistors with the actual values written on.

The grey stuff was like mortar - probably a good thermal buffer.
by mark_hetho
Sun, 02 Dec 2018, 15:27
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

We identified a ground fault in the DC-DC converter, which could have drawn a bit through it.

But I can't figure out is the 240K a model number? Or is there some kind of Roman numeral notation going on here where the K cancels out the zero?
by mark_hetho
Sun, 02 Dec 2018, 13:35
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

Ok, so we got the pack out of the car, and after a few layers of disassembly we got to the pre-charge resistor. It's labelled 240KAG 40W "JRH", but 240kΩ on 360V is nowhere near 40W. The part was open circuit so we couldn't measure it's value. We broke it apart to see what was inside, found burnt wi...
by mark_hetho
Fri, 30 Nov 2018, 13:06
Forum: Mitsubishi
Topic: i-MiEV not charging, high voltage warning light and battery
Replies: 155
Views: 11976

Re: i-MiEV not charging, high voltage warning light and battery

Great news! I've no doubt you are looking forward to a drive.
by mark_hetho
Sun, 18 Nov 2018, 14:54
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

The discharge/bleed resistor is 15W 68K Ω. Based on 8000uF I calculate around 41 Ω, and around 3240W of power. So with a pulse power rating of 25 we need 129W, which means a 150W part. 100 Ω 100W is still in the ballpark though. At this stage the access to the hoist might not be so time sensitive, s...
by mark_hetho
Sun, 18 Nov 2018, 14:22
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

I've got some imagery of the capacitor. I believe it reads 8000F, but it's a bit unclear, it could be 800uF.
Image
by mark_hetho
Wed, 14 Nov 2018, 05:36
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

Yes, the original part seems a triplet, and I know two thirds of it are working. However in terms of physically fitting a separate contactor, it might present more difficulties than parting with $200. But also true that I'll check it before ordering :)
by mark_hetho
Tue, 13 Nov 2018, 06:33
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

All the contactor coils (negative, main positive and precharge) read 36 Ω ± 0.3Ω. But yes it's certainly possible. Luckily in the same thread referenced above someone has pulled one: http://i.imgur.com/2I9XTvP.jpg Doesn't seem to be carried by digikey or rs components, so it might be tricky to track...
by mark_hetho
Tue, 13 Nov 2018, 04:22
Forum: Mitsubishi
Topic: Imiev repair - precharge resistor
Replies: 28
Views: 1544

Re: Imiev repair - precharge resistor

Thanks for the insight. I think 100W should be plenty, but I also can't confirm the size of the capacitor. The discharge resistor is a 15W part (from memory a white ceramic boxy part) which tells me something. I'll see what I can dig up on that side of the circuit. I'll check what is available local...
by mark_hetho
Mon, 12 Nov 2018, 19:00
Forum: Mitsubishi
Topic: Aftermarket iMiEV battery upgrade project
Replies: 81
Views: 9630

Re: Aftermarket iMiEV battery upgrade project

On the video at https://youtu.be/VsYd4NXaMpo they replace a single cell, with what looks like a drop in replacement.

In the comments they suggest some suppliers of cells: 65ah - https://m.aliexpress.com/item/32514797426.html

and 100ah - https://m.aliexpress.com/item/32841599932.html