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

Has any one ever had there ECU tuned/modified?

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Old Mar 3, 2016 | 11:30 AM
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Has any one ever had there ECU tuned/modified?

Has any one ever had there ECU tuned/modified?
Old Mar 3, 2016 | 11:49 AM
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yeah i hacked it and advanced the timing on that *****
Old Mar 3, 2016 | 04:05 PM
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Originally Posted by cornholio
yeah i hacked it and advanced the timing on that *****


Originally Posted by cdoublejj
Has any one ever had there ECU tuned/modified?
It's not possible. TS used to reflash, but they quit. edit: I looked it up. Their tuner quit in 2011, so they just quit doing anything ECU related.

Last edited by Child_uv_KoRn; Mar 3, 2016 at 04:14 PM.
Old Mar 6, 2016 | 06:11 PM
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That sucks. I would really like to have my esc tuned. I've done a bit of work on my car and that would finish the deal. I would do cams if I could raise the Rev limiter and have the throttle fully opened
Old Mar 6, 2016 | 07:31 PM
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Originally Posted by losifanatic
That sucks. I would really like to have my esc tuned. I've done a bit of work on my car and that would finish the deal. I would do cams if I could raise the Rev limiter and have the throttle fully opened
There are other ways to do things you've mentioned try and search you'll be amazed at what you find.
Old Mar 6, 2016 | 08:56 PM
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Kinda shows you how boring our maximas were.
Nobody messed with the ECU cuz it just wasn't worth the time and money :P
Old Mar 7, 2016 | 08:57 AM
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Originally Posted by cdoublejj
Has any one ever had there ECU tuned/modified?
What you need is a piggyback type tuning system that modifies the signals coming to and from the ECU.
Old Mar 7, 2016 | 11:07 AM
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Here's stats from my F-Spec TS-ECU. Derrick is correct, piggyback is the way to go unless you go full gangster and go Haltech. There's always EMU also.

https://maxima.org/forums/all-motor/...mt-6-7-eu.html
https://maxima.org/forums/all-motor/...s-reading.html
https://maxima.org/forums/5th-genera...ng-thread.html








Last edited by NmexMAX; Mar 7, 2016 at 11:14 AM.
Old Mar 7, 2016 | 03:12 PM
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Or utec if you're a 5.5 gen
Old Mar 7, 2016 | 03:21 PM
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Originally Posted by Mattx
Or utec if you're a 5.5 gen


Much better choices out there IMO. I had a UTEC, and I prefer an AFC over that thing.
Old Mar 7, 2016 | 04:41 PM
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dumb question but can't you just use the 350z harness and ecu?
then just get some 350z flash?

https://www.z1motorsports.com/engine...ce-p-3294.html
Old Mar 7, 2016 | 05:04 PM
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Originally Posted by Donkeypunch
dumb question but can't you just use the 350z harness and ecu? then just get some 350z flash? https://www.z1motorsports.com/engine...ce-p-3294.html
Nope doesn't work that easy. Different ecus and different harness so you'd need to buy a patch harness from Darren.
Old Mar 7, 2016 | 05:04 PM
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Originally Posted by Donkeypunch
dumb question but can't you just use the 350z harness and ecu?
then just get some 350z flash?

https://www.z1motorsports.com/engine...ce-p-3294.html
Interesting. I don't think it would be quite that simple but I don't see why they wouldn't be able to tune one for a Maxima. They do other Nissan vehicles as well.

The Maxima does have a different harness plug than the 350Z or G35.
Old Mar 7, 2016 | 05:09 PM
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Originally Posted by NmexMAX
Much better choices out there IMO. I had a UTEC, and I prefer an AFC over that thing.
Depends on what you need. I have a turbo so an afc doesn't work for me. Utec gets a lot of grief but as I've said before. Where can you get something that does everything it can for as cheap as you can get a utec plus the tuner? Nowhere. It's not the utecs fault it's old and the company abandoned it.
Old Jul 31, 2016 | 07:09 PM
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Originally Posted by NmexMAX
Here's stats from my F-Spec TS-ECU. Derrick is correct, piggyback is the way to go unless you go full gangster and go Haltech. There's always EMU also.

https://maxima.org/forums/all-motor/...mt-6-7-eu.html
https://maxima.org/forums/all-motor/...s-reading.html
https://maxima.org/forums/5th-genera...ng-thread.html







Out of curiosity is this with or without a 4" intake?
Old Aug 1, 2016 | 11:09 AM
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Originally Posted by Child_uv_KoRn




It's not possible. TS used to reflash, but they quit. edit: I looked it up. Their tuner quit in 2011, so they just quit doing anything ECU related.
So it is possible but, not by any regular joe. I've been researching how tuners do it to cars with out ready made software or kits.

EDIT: I wonder if it would possible to find out who did the 5th gen tuning for TS and contact for them information about how they did it.

Originally Posted by Mattx
Depends on what you need. I have a turbo so an afc doesn't work for me. Utec gets a lot of grief but as I've said before. Where can you get something that does everything it can for as cheap as you can get a utec plus the tuner? Nowhere. It's not the utecs fault it's old and the company abandoned it.
is utec a pgiggy back system?

Anyone know what all piggy back system there are? surley just a small handful.

EDIT: i've also been researching possible modifications for the vq30 and vq35 and boy o boy supposedly there is a TON of stuff that can be done.

Last edited by cdoublejj; Aug 1, 2016 at 11:43 AM.
Old Aug 1, 2016 | 05:17 PM
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Originally Posted by NmexMAX


Much better choices out there IMO. I had a UTEC, and I prefer an AFC over that thing.
Curious, why don't you like the utec?
Old Aug 16, 2016 | 09:38 AM
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fuzzy logic, aka simulators and emulators aren't always the best. i've been looking at guides for manually modifying ECUs. seems to be the only way. not to say fuzzy logic doesn't work.
Old Dec 14, 2016 | 04:36 PM
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What is the haltec a full ECU replacement? i didn't think there were any non emulator/piggy back systems out/
Old Dec 15, 2016 | 03:53 PM
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Originally Posted by cdoublejj
What is the haltec a full ECU replacement? i didn't think there were any non emulator/piggy back systems out/
Contact user Murphys_law

He started tuning these ecus recently.
Old Dec 15, 2016 | 08:13 PM
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Originally Posted by Reallyslowrio
Contact user Murphys_law

He started tuning these ecus recently.
+2

He did mine. World of difference...
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