Quick ac idle bump question

[S13alldayyo]

Okay so I got ac working on my sr20det swapped hatch back, only problem I am having is no idle bump with ac. It causes my motor to overheat on hot days when I have the ac on for about 20 minutes I have to hold the idle myself so it won't overheat. I know the IACV is soposed to get power from ecu and open up te second port ok the IACV to raise the idle a couple hundred. But mine doesn't do that and you can feel the motor supper sluggish but atleast the idle doesn't drop, any help like maybe a relay? Or wires or something I can check. I also have a wiring specialties fully tucked pro harness that is ac ready thanks


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[S13alldayyo]

Bump?


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[S13alldayyo]

Can it actually be the IACV that is faulty or ecu?


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[zombiewolf513]

Theres an a/c signal wire that goes to the ecu that tells it to bump up the idle, check that.

[S13alldayyo]

I unplugged the ecu and connected it back and when I turn on ac the idle bumps like 50rpms (950-1000) ill try it out tomorow as I have to sleep to work tomorow morning


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