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by kiev
Sat Nov 03, 2018 1:20 pm
Forum: Modifications & Accessories
Topic: Constant 12V with ignition off
Replies: 3
Views: 371

Re: Constant 12V with ignition off

Here is a link to the 2011 radio wiring diagram, you didn't say the year of your car. There is a 12V line fed from the battery thru a fusible link that has power all the time.

2011 audio wiring
by kiev
Sat Nov 03, 2018 8:27 am
Forum: Batteries and Battery Management
Topic: not charging my iON, cell or CMU or BMU problems
Replies: 27
Views: 4394

Re: not charging my iON, cell or CMU or BMU problems

...Loosing the SOC entirely with no anomaly on the cells voltage readings makes me think something else (something more ?) is faulty. What if it was the CMU master component (the one that stores the VIN and communicates with the BMU ) that was failing since the beginning ? could it explain both the...
by kiev
Wed Oct 31, 2018 6:07 pm
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 329
Views: 20909

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

... But from the limited reversed engineering schematic we manage to come up with so far, it seems that the trigger simply & abruptly switch off the relay, thus taxing the bypass (now heated from operation) resistors & caps. Are you referring to the OBC or the EVSE schematic? The trigger se...
by kiev
Tue Oct 30, 2018 12:29 pm
Forum: Batteries and Battery Management
Topic: Is my battery dying ?
Replies: 44
Views: 4452

Re: Is my battery dying ?

... Would it be acceptable to substitute a few LEV50N cells into an earlier car with LEV50 cells such as mine ? ... Does anyone know or has anyone tried this ? LEV50N cells may be the only ones that will be found second hand still with a useful capacity remaining. i haven't done this yet, but i wou...
by kiev
Thu Oct 25, 2018 5:44 am
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 147
Views: 23334

Re: my Miev will not charge

i've never heard of anyone testing this, but if the HV fuse were blown, would the fuel gauge still show the bar lines for the battery pack voltage/SOC when the key is turned to ON? One interesting observation you made was that the contactors were chattering and then never heard from again. So could ...
by kiev
Wed Oct 24, 2018 5:25 pm
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 147
Views: 23334

Re: my Miev will not charge

Was this the car that had the service plug removed? Has it ever worked since the plug was re-installed? Was it installed properly? The i909 can read the status of the service plug switch. Can the i909 read your pack voltage with key to ACC or ON? Is the Aux battery new or fresh? a worn out aux can p...
by kiev
Tue Oct 23, 2018 8:16 am
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 147
Views: 23334

Re: my Miev will not charge

Swapping the EV-ECU did not fix the problem. Not sure what to do next. Sorry to hear Mike. So with the EVECU swap, your car would start and go to READY, but it won't charge. And this is on the second OBC unit that replaced the original? This is looking like connectors or wiring harness issue, or po...
by kiev
Sat Oct 20, 2018 8:20 am
Forum: Batteries and Battery Management
Topic: [Solved: Piev's Strange New Pack] Voltage vs SOC graph or table ?
Replies: 13
Views: 557

[Solved: Piev's Strange New Pack] Voltage vs SOC graph or table ?

i was searching for a graph, chart or table of this data--seems like someone posted this before but i can't seem to find it using the search. Just a simple table of battery pack voltage at 10% SOC increments would be helpful. i know that 100% SOC is about 360 Volts but didn't have a feel for the res...
by kiev
Thu Oct 18, 2018 7:14 am
Forum: General Technical Discussions
Topic: my Miev will not charge
Replies: 147
Views: 23334

Re: my Miev will not charge

... I'm a bit worried that it is not actually the problem, and will result in another couple of months delay without making any progress, even if I don't need to pay for it. If the car runs and drives then some pieces of the EV-ECU have to be working, so it is puzzling. Maybe the section that contr...
by kiev
Thu Oct 18, 2018 7:05 am
Forum: Instruments - Radio/USB/Nav - CAN - Climate Controls - Remote
Topic: Decyphering iMiEV and iON CAR-CAN message data
Replies: 121
Views: 30110

Re: Decyphering iMiEV and iON CAR-CAN message data

i can't help with the python code, but here is the CAN buss frame format, if that would help you. The PID is found in the arbitration field, the number of data bytes is 4 bits in the control frame, followed by the actual data bytes and a checksum.

Image

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