5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

New ECM & IACV

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Old Feb 9, 2011 | 07:54 PM
  #1  
blkAEmax82's Avatar
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New ECM & IACV

Hey guys, hope all is well!

So I had the fried ECM and IACV issue. I replaced both and got the ECM reflashed, but now there is a low idle issue (to the point where the engine dies). I remembered I replaced my MAF so I had them flash the new MAF and also check the calibration on the IACV. Well, that still didn't work.

I tried to do some research on here and been reading the FSM. So far I came up w/ nothing on here and FSM points to doing the "idle relearn procedure".

I wanted to pick the org's mind and see what you guys may think the issue is.

Thanks in advance!

Roger

Last edited by blkAEmax82; Feb 10, 2011 at 07:03 AM.
Old Feb 10, 2011 | 08:44 AM
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Yeah, do the idle air relearn. Also disconnect your electronic motor mounts if you have an AT.
Old Feb 10, 2011 | 08:47 AM
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If I do the relearn procedure and it works I seriously got ripped off. Because they said they had did it. Also, I have a 5sp.


Originally Posted by unrealii
Yeah, do the idle air relearn. Also disconnect your electronic motor mounts if you have an AT.
Old Feb 10, 2011 | 08:51 AM
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Originally Posted by ae01maxine
If I do the relearn procedure and it works I seriously got ripped off. Because they said they had did it. Also, I have a 5sp.
Sometimes it doesn't work the first time. I replaced my iacv for preventative reasons and the dealer had to do the relearn twice.
Old Feb 11, 2011 | 05:01 AM
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The Iacv relearn is tricky and a PITA. You probably wont get it right the first time.
Old Feb 12, 2011 | 03:06 PM
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If they said they did the idle relearn and it's still rough, make them do it again? My IACV fried my ECM and the dealer replaced both (ECM was under warranty ) and didn't have a problem. Good luck.
Old Feb 13, 2011 | 07:06 PM
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can i have some instructions on changing the ecm. also idle learn instructions
Old Feb 14, 2011 | 09:14 AM
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Alright guys. I took the car to another dealership and got a second opinion. The tech said he could not do the relearn because of the "overheating mode" it goes into. So the computer kicks him out which means the idle relearn has not been done yet. So this is the 3rd confirmation that the idle relearn has not been set. Now he wants me to replace my T-Stat and come by again to see if it would accept the relearn, but my car is not over heating.

The car tends to want to idle sometimes it still dies, but she's trying to idle at times.

Any ideas?
Old Mar 3, 2011 | 05:45 PM
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Any luck? I have a 2000 i30 with the same issues. I am experiencing extremely low idles where I need to give it gas to keep it running. I tried changing out the coil packs and no luck. I am going to clean out the MAF and IACV tomorrow. Glad to see the bay area is represented here.
Old Mar 3, 2011 | 06:14 PM
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Please tell me how to do the "idle relearn procedure"? No answer here...
Old Mar 3, 2011 | 06:21 PM
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Originally Posted by mcmaklin
Please tell me how to do the "idle relearn procedure"? No answer here...
A couple of threads to help you get an understanding on how to perform the relearn for the idle

http://forums.maxima.org/5th-generat...earn+procedure

http://forums.maxima.org/5th-generat...earn+procedure
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