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How to disable Assist/Regen

30177 Views 81 Replies 32 Participants Last post by  charlieinjax
Here is how to disable Assist/Regen when you don't need it, such as when you are trying so keep from depleting the battery charge on long hills, or when you don't want background charging, or when you are going downhill and don't want to regen.

Take the 2 wires from the clutch pedal, run them thru a toggle switch and you're done, now anytime you don't want to use assist or regen, just flip the switch and IMA is disabled. :idea:
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On my 2002 I also use either the clutch switch or MIMA Mode1 when I simply want to retain battery charge on an uphill. Sorry it doesn't seem to work on the 2006. Wifey is reluctant to let me mod her new car so I can't compare. BTW, the clutch switch is the key ingredient to FASing.

Infidel and mds2: what exactly are the responses both above and below 19mph?

Reviewing my 2000-2005 Electrical Manual, it shows no hardware changes to the clutch switch circuit. Anyone have a 2006 Electrical Manual to see if they played with it? If they haven't, then it looks like the ECM software has been modified.

This brings up the question: has anyone with this Clutch Switch mod taken the car in for the IMA warranty extension checkup and does it still work after they've 'upgraded' it?

I can't help but have a twinge of concern about new engineers at Honda messing with code that was designed many years ago ... you don't suppose they goofed? After all, if you push in the clutch (presumably releasing the gas pedal at the same time) you should not expect any Assist and thus it made sense to disable it (as in the old version) ... so why did they change it in their latest revision? Conversely, you'd think that Regen should still have been allowed to function (only to be inhibited below 19mph?) even if the engine is only idling (is that what it does now with the clutch pushed in?). Sorry, too many questions.

BTW, MIMA's LEDs sure let us see the disparity between the dashboard Regen indicator and what's really happening 8) - thanks again, Mike. JoeS.
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First of all, thank you Mike, Ian, Willie, Infidel and Highwater for the follow-ups. I hope to borrow Wifey's 2006 and do some testing. In the meantime, here's a little more information to keep this thread rolling: regarding behavior when the engine is idling -

I just came back from the garage and can attest that when the car is not moving and the engine is idling and not in AutoStop, I was not able to detect any Regen in either my 2002 or my wife's 2006, irrespective of clutch depression.

I'll comment and further elaborate on Ian's wonderfully-accurate IMA/MIMA idling engine response description on the MIMA thread whenever/wherever it reactivates.

The question now remains: What can be done to a 2006 Insight to regain this Assist Disable capability?

As an aside, I just came back from a 10-mile city and uphill trip working very hard to recharge the IMA battery on Wifey's 2006 Insight - that sucker sure seems far more anxious to utilize Assist than my 2002. Succeeded in bringing it up from two bars to full, but it wasn't easy! Sure missed that clutch switch!! JoeS.
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