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Originally Posted by crashandburn
Steps 6-10 are not any magic learning formula -- they are the setup parameters that you are then supposed to verify correct idle speed at each of those steps after you've set the base idle in steps 1-5. That is, idle speed should be 700 +/- 50 RPM after step 7, and it should be 790 +/- 50 RPM after step 8 and also after step 9.
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actually im going to have to disagree on that. setting the base idle is obviously the BASEline but the ecu also needs to write in how to shift the iacv duty cycle to deal with different loads like headlights and air conditioning. so basically it is a learning formula of sorts. it shows itself clearly in the driving cycle information if the idle learn isnt done on the car. granted the ecu does have its base enrichment percentages for idling with headlights or a/c but its also subject to enviroment like fuel trims so it needs to be set initially.
there is a lot more data on this stuff that is not in the helms manual. i'll see about getting my buddy to print out the advanced diagnostics stuff from honda.