CANBus Triple: Let the IMA-CAN hacking begin... - Page 3 - Honda CRZ Forum: Honda CR-Z Hybrid Car Forums
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post #21 of 25 (permalink) Old 07-10-2016, 04:19 AM
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Ah. No wonder the jumper from the Big Orange Wire to the 12V didn't seem to help much. And smelled something awful, with a horrid cloud of little pluses and minuses wafting over the engine.

With the fairly-common 12V death issues, I wonder why they don't use some of the hybrid battery's juice to jump it when needed, though.
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post #22 of 25 (permalink) Old 07-10-2016, 09:36 AM
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Ah. No wonder the jumper from the Big Orange Wire to the 12V didn't seem to help much. And smelled something awful, with a horrid cloud of little pluses and minuses wafting over the engine.

With the fairly-common 12V death issues, I wonder why they don't use some of the hybrid battery's juice to jump it when needed, though.
I wondered this too. I had hoped there was a hidden emergency switch in the car to allow this. Kind of like an on board " Jump Box" .
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post #23 of 25 (permalink) Old 08-12-2016, 03:42 PM
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I wondered this too. I had hoped there was a hidden emergency switch in the car to allow this. Kind of like an on board " Jump Box" .


There is, turn the ignition to the acc position and disable ANY energy drains, you can get get your 12v from 8-9volts back up to 10.5 and fire up the ecu for a proper IMA turnover.

To clarify, this car will use the trunk battery to charge to 12v system when in acc position. It is not by ANY means a fast charge, but it has saved my but on half a dozen occasions in the last 5 years.


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post #24 of 25 (permalink) Old 08-12-2016, 04:26 PM
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Saw this in the other thread, Jw. I'd never thought it'd work that way. Good info.
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post #25 of 25 (permalink) Old 08-12-2016, 05:17 PM
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There is, turn the ignition to the acc position and disable ANY energy drains, you can get get your 12v from 8-9volts back up to 10.5 and fire up the ecu for a proper IMA turnover.

To clarify, this car will use the trunk battery to charge to 12v system when in acc position. It is not by ANY means a fast charge, but it has saved my but on half a dozen occasions in the last 5 years.


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Very interesting. Is this an undocumented feature or is there a write up in the manuals? Thanks!
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