Does anyone know the resistance reading of a good IAC (measured at "room temp" -- not hot)? Mine only measured 12.3 ohms which seems kind of low, but I would like to hear from someone whose has measured a good IAC to confirm my suspicions.

My Civic recently start flagging the IAC code. It does appears to run okay except for the idle just being slightly rough. I have a Helm manual (which does not spec that resistance measurement BTW) and did some debugging but now I'm down to the part where the book says to swap out a known good IAC and see if the problem goes away -- else swap a known good ECU. Well I don't have a spare IAC or ECU sitting around and furthermore those things aren't cheap!! The code initially clears after shutting down the engine because it take about 30 seconds after restarting the car before the Check Engine light reappears.

Any related info would be appreciated...