So I just installed a brand new throttle body and throttle cable as wel as a brand new TPS. I couldn't find anything related so I was curious how to properly adjust your idle from scratch, other than obviously tightening your throttle cable.

 

idle on a honda (or most any computer controlled fuel injected engine) should never be adjusted by the throttle cable. this is like holding your foot on the accelerator slightly, all the time. you aren't actually "at idle" as far as the ECU is concerned.

the technical, step by step procedure can be found all over the web. look for "base idle" adjustment.

the gist, with the engine warmed up (normal op. temp.), a digital tach (or timing light with built in tach) hooked up unplug the IACV connector long enough for the idle to settle. off the top of my head you should see 450 ±50 rpm. if the engine cuts off its too low. adjustment is made by turning the idle screw on the inlet side of the throttle body 1/4 turn at a time until you're in spec. with the IACV plugged in you should see something like 760 ±50 rpm (all accessories off- headlights, A/C, fans) clear the check engine light if it came on (for the IACV being unplugged) and you're done.

 

Thanks man, I got everything squared away earlier today