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by kiev
Sun Nov 10, 2019 8:46 pm
Forum: General Technical Discussions
Topic: MCU 20A 450VDC fuse investigation
Replies: 23
Views: 2099

Re: MCU 20A 450VDC fuse investigation

That's a good finding on that reference and the history of the thermal blob. i've been looking at the Laef OBC and it appears that they use a 420VDC 30A SHV27 fuse on the Positive side output. This is classed as an inrush-withstanding type of fuse. The 2012 FSM wiring diagram for the VBC shows it as...
by kiev
Sun Nov 10, 2019 8:21 pm
Forum: Buying/Leasing the iMiev
Topic: A new recall on the braking system
Replies: 1
Views: 109

Re: A new recall on the braking system

Who uses brakes? Max regen in B will slow you down in a hurry.
by kiev
Sun Nov 10, 2019 8:19 pm
Forum: Batteries and Battery Management
Topic: On-Board Charger (OBC) Warranty Extended!
Replies: 27
Views: 1717

Re: On-Board Charger (OBC) Warranty Extended!

They may give you the old chargger after they get word from corporate office on whether to ship it back to them, or scrap it. Takes about 2 months or more for the scrap list to cycle thru with updates about once a month.
by kiev
Fri Nov 08, 2019 3:33 am
Forum: Batteries and Battery Management
Topic: On-Board Charger (OBC) Warranty Extended!
Replies: 27
Views: 1717

Re: On-Board Charger (OBC) Warranty Extended!

Any chance we could get to see a copy of the Tech Bulletin? The internal OBC codes from the 2012 FSM are the last post on the first page of the troubleshooting thread. 39 is related to incorrect PFC voltage. 209 is not even on the list. Maybe they said P09, as in DTC P0A09? He may have a different f...
by kiev
Wed Nov 06, 2019 6:59 pm
Forum: General Technical Discussions
Topic: MCU 20A 450VDC fuse investigation
Replies: 23
Views: 2099

Re: Fuse Internal Element Views

i was hoping to obtain several for comparison, e.g. 20,30,40A rated, in the ZXISO style, but only have an OEM PEC 20 and a Littlefuse 30 at this point due to lack of stock in the US distributors. On the PEC drawing there is a call-out for item 7, a small dot or blob of a tin alloy (solder?), which c...
by kiev
Wed Nov 06, 2019 9:54 am
Forum: Batteries and Battery Management
Topic: CMU board notes, eprom, cell numbering
Replies: 16
Views: 1729

Re: CMU board notes, eprom, cell numbering

Martin probably won't be able to do any testing because he sent me that extra CMU board--that's the board i have been using for this thread and to extract the eeprom data. The label on this board has the following information, so it looks like Mike is right about the byte order. p/n: 9499A795 s/n: 0...
by kiev
Tue Nov 05, 2019 8:45 am
Forum: Batteries and Battery Management
Topic: CMU board notes, eprom, cell numbering
Replies: 16
Views: 1729

Re: eeprom readout for CMU Board

I can't imagine why they would purposefully duplicate the data in this way. And if the most significant bit was not used in the CMU board (left grounded for example) because they only needed 256 words, you would not expect to find duplicated data in the top 256 words, they should be empty or random...
by kiev
Tue Nov 05, 2019 6:20 am
Forum: Batteries and Battery Management
Topic: On-Board Charger (OBC) Warranty Extended!
Replies: 27
Views: 1717

Re: On-Board Charger (OBC) Warranty Extended!

Yay! The service dept called and i picked up my old unit yesterday. i'm going to replace the damaged waffle plate with a good one harvested out of a leaaf.
by kiev
Sun Nov 03, 2019 7:42 am
Forum: General Technical Discussions
Topic: MCU 20A 450VDC fuse investigation
Replies: 23
Views: 2099

Re: MCU 20A 450VDC fuse investigation

i found these at Mouser, HEV030.ZXISO. The ISO format is the one used in the MCU and it is 10.3mm diameter, not 7.2mm. (PEC103 vs PEC72) The 20A and 40A were out of stock with 12 week delivery and min order of 240 pieces, so i bought the in-stock 30A. My thoughts were that any short circuit of the w...
by kiev
Sun Nov 03, 2019 7:17 am
Forum: Instruments - Radio/USB/Nav - CAN - Climate Controls - Remote
Topic: Process for programming new remote for I-MIEV
Replies: 6
Views: 2318

Re: Process for programming new remote for I-MIEV

@ joe,

Some other useful information to add with this-- the Omron manual for the remote.

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