Didn't mean the auxiliary air control valve but the acc valve, but we are getting off track. if be willing to place a small bet that the ficd is your problem. I could swear the how to post read something to the effect if the jdm ficd not working on the de harness.
I am in Manteca. Just about 10minutes south of Stockton. My house is right off 99. My friend that has a Japanese S14 and any other with G20 GTiR swap will be giving me a hand. You are more then welcome to come on by.