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Old 05-14-2015, 10:00 PM   #1 (permalink)
Newton
EcoModding Lurker
 
Join Date: Jun 2008
Location: Michigan
Posts: 19

Summerzen - '93 Geo Metro
90 day: 51.76 mpg (US)
Thanks: 1
Thanked 1 Time in 1 Post
Civic hybrid 1st gen IMA won't recognize new battery

I got a used pack from the salvage yard since mine wouldn't hold a charge even with the grid charger. I charged the "new" one with the grid charger, held full voltage with no load so I installed it.

Even after pulling fuses and disconnecting the 12v battery to try and reset the system it still refuses to see the fully charged pack.

It did however manage to start itself a few times off the IMA system but not anymore.

Only thing I can think of is maybe what looks like a relay isn't connecting the pack to the system because the bus bars that are always live when the switch is on shows fully charged voltage and I'm reading 60 to over 200v at the main terminals as engine rpm goes from 1500-3500.

I got lucky and managed to find the new pack without a core charge so I could try swapping components. I'm trying to get this running by Monday so any advice would be greatly appreciated, thanks.

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