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by kiev
Wed Dec 12, 2018 7:08 pm
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 329
Views: 21201

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

So far we don't have a good set of bench testing procedures--you really have to connect the OBC into the HV buss, and the CAN/Low Voltage connector, and the coolant fluid lines, in order to test a box. It's a big pain to swap one out, but i don't know any other way at this time. With schematics it m...
by kiev
Wed Dec 12, 2018 6:56 pm
Forum: Batteries and Battery Management
Topic: Mitsu Tech said I set car to not charge on Mondays
Replies: 8
Views: 152

Re: Mitsu Tech said I set car to not charge on Mondays

... After keeping the car for a week they told us two things: 1) we have to pay them to do a battery reconditioning(?) where they run it down to turtle mode and then charge it all the way back up or we will void the warranty on our battery. 2) the problem with charging is because we have accidental...
by kiev
Wed Dec 12, 2018 3:44 am
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 329
Views: 21201

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

At least two and likely more--it is quite a puzzle to figure out the failures.
by kiev
Wed Dec 12, 2018 3:39 am
Forum: Driving the iMiev - Range - Energy Efficiency - Operating Cost
Topic: How good is the car's range prediction
Replies: 6
Views: 104

Re: How good is the car's range prediction

That's interesting data, especially the distribution curve. i usually don't pay attention to the RR until i'm trying to get home and know that i will have to "beat" the meter (i.e. have a positive error) to make it. When fuel is getting down toward the 2 bars blinking, then it seems that R...
by kiev
Tue Dec 11, 2018 8:54 am
Forum: Batteries and Battery Management
Topic: Troubleshooting and repair for On-board Charger (OBC), DC-DC Converter
Replies: 329
Views: 21201

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

Great job on making repairs to chargger #2. i assume only the one cap you changed had shown signs of damage. Regarding the troubleshooting of box #1 by swapping boards: that is a dangerous and expensive troubleshooting tactic-- i would not recommend trying this unless you have a 3rd chargger availab...
by kiev
Sat Dec 08, 2018 8:51 pm
Forum: Batteries and Battery Management
Topic: Firmware for charger, BMU, CMUs
Replies: 6
Views: 457

i909 pcb and info

i don't have a VCI, but a "clone" from iCarsoft, the i909. It only seems to be able to read data list items, DTCs, and clear some DTCs. It has no capability to upload firmware updates that i know of. It uses SHENZHEN LAUNCH TECH chips, a DPU 431 [U1] and a JV 700 [U3], mentioned in USPTO P...
by kiev
Wed Dec 05, 2018 8:06 pm
Forum: General Technical Discussions
Topic: Imiev repair - precharge resistor
Replies: 8
Views: 543

Re: Imiev repair - precharge resistor

Here's an example of an ARCOL resistor made in the UK with similar specs as the JRM, just need to find it in 24R. https://www.mouser.com/ProductDetail/ARCOL-Ohmite/ARF150-3R-J?qs=sGAEpiMZZMve4%2fbfQkoj%252bLLtxt%2fUT9sjWtFByFQQDYE%3d They also show an interesting adiabatic impulse curve in the datas...
by kiev
Sun Dec 02, 2018 12:11 pm
Forum: General Technical Discussions
Topic: Imiev repair - precharge resistor
Replies: 8
Views: 543

Curiousity killed the cat...

Here are some scope overlays and trace using a 1mV/amp clamp-on current probe at the MCU with different time base and scaling options to capture the inrush current when starting to READY. It looks like the initial current kick is about 14 Amps in ~2 msec, then current tapers back down to zero as the...
by kiev
Sun Dec 02, 2018 8:46 am
Forum: Batteries and Battery Management
Topic: Wrecked i-MiEV Battery Pack Discussion
Replies: 40
Views: 14772

Re: Wrecked i-MiEV Battery Pack Discussion

He did mention that one side measured 9 Ohms for part of the undamaged length and estimated two in series would be about 20 Ohms. The gauge of the wire and number of turns seems consistent with the measurement.
by kiev
Sun Dec 02, 2018 8:28 am
Forum: General Technical Discussions
Topic: Peugeot ION multiple problems
Replies: 12
Views: 905

Re: Peugeot ION multiple problems

It's not clear but does the car run and drive as normal? Does the 12V aux battery stay charged up or does it get drained while driving? In your printout, The EV-ECU voltage is only showing 1.4 Volts. It should be at least 12 Volts. That is a problem. It tells me that some relay is not being commande...

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