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by redcane
Sat Dec 01, 2018 10:39 pm
Forum: Batteries and Battery Management
Topic: Wrecked i-MiEV Battery Pack Discussion
Replies: 40
Views: 14754

Re: Wrecked i-MiEV Battery Pack Discussion

I took the pack out of my imiev (with help from friends). Were the buss bars painted or coated with something--they appear white in the pictures and look like the surface has cracked in some of the bends? We found ours coated in a grey rubber. In the third picture of the previous post there is a con...
by redcane
Tue Nov 27, 2018 2:15 pm
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 329
Views: 20977

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

That message from the icarsoft means it is not connected properly. I see a similar message if I don't have the car on.
by redcane
Sun Nov 18, 2018 12:23 am
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 329
Views: 20977

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

Bjron wrote:Can someone try if vacuum pump work in key running state but without start to ready mode? Making many press on brake would make need it to make vacuum

Our vacuum pump is still operating even though the car does not go ready, and there is no voltage at the motor control unit.
by redcane
Sun Nov 18, 2018 12:19 am
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 147
Views: 23402

Re: my Miev will not charge

Yes, we get pack voltage on the chademo port when forcing the QC contactors to close. Given you have no voltage on chademo port, and a failure to go ready, the only shared circuitry is in the battery pack. There is the main 280A high voltage fuse, and the service plug. Then there are all the cells. ...
by redcane
Thu Nov 15, 2018 10:53 pm
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 329
Views: 20977

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

My understanding is these are only powered through the main (and pre charge) contactors, so they are isolated when the car is not in "ready"?
by redcane
Thu Nov 15, 2018 12:10 pm
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 329
Views: 20977

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

. Just wondering how it gived 15% more soc? I've noticed our fuel meter jumping around when we disconnect the 12V. It's obviously affecting the calibration calculation rather than the actual state of charge. Do u think i might need ask maintenance just reprogram ECU to not get p1a15 active after ev...
by redcane
Tue Nov 13, 2018 1:33 pm
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 329
Views: 20977

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

Bonjour Christopher, I know if at least one case where clearing the error codes was not required, assuming the only error was from the charger. From what I've seen it seems some error codes are "self-clearing", but others aren't. If you double check everything, and can't find any fault, re...
by redcane
Sun Nov 11, 2018 1:11 pm
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 147
Views: 23402

Re: my Miev will not charge

Sounds promising Mike.

I'm again pondering which way the causal relation goes - did the wiring problem cause a fault elsewhere? Or is it a bit of a coincidence.
by redcane
Sun Nov 11, 2018 1:05 pm
Forum: General Technical Discussions
Topic: Imiev repair - precharge resistor
Replies: 8
Views: 517

Imiev repair - precharge resistor

Does anyone know the specs for the pre-charge resistor in the imiev battery pack? In the process of diagnosing a failure to start (go into "ready") of our imiev, we believe we have isolated the issue to the pre-charge contactor and resistor. We are able to trigger the negative, main positi...
by redcane
Thu Oct 25, 2018 11:35 am
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 147
Views: 23402

Re: my Miev will not charge

Fuel gauge is still displaying 4 bars. I think it is based on the BMS reading from the cell monitoring units, rather then from reading the overall pack voltage. It's definitely not taking a reading from outside the contractors. I should have noted what the fuel gauge did with the service plug removed.

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