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Old January 22nd, 2016, 03:44 PM   #1
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Hondata, new ecu, confused?

Hey guys, hoping you can help me out.
Don't know if you recall, but I swapped a j32a3 out of an 05, into my 06 6 speed coupe.
I have been running the stock J30a5 ecu since the swap back in October

I am getting a lot of mixed answers on tuning the car. Firstly, can my original ecu (J30), be tuned through hondata etc?

Secondly, If I do need to get a new ecu, what years will work with the motor? does it have to be out of a manual?

Thirdly, If future mods come into play, can either of the above options be tuned later down the road?

I appreciate the responses, it's been a confusing one lol

Btw, car runs good, but it seems to run dry at times? advice on why? everything else is stock for now.
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Old January 22nd, 2016, 03:59 PM   #2
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I have what you need

http://www.v6performance.net/forums/...n-hondata.html

Also you need to buy the flashpro unit. It is going to be around 1000 dollars + the cost of tuning

read the manual. It will tell u everything you need

https://www.hondata.com/flashpro/fla...003-2007-v6-mt
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Old January 24th, 2016, 03:31 PM   #3
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Thank you for the reply I appreciate it. Sorry for the rookie questions, but here we go:

-I have recently put a good amount of money bringing this car back up to snuff. Having said that, Hondata is definitely going to be a future mod this spring.

- With this in mind, am I able to purchase a ecu out of a (04-06) manual TL, and be able to tune the TL ecu via hondata in the spring?

-Also, are there any real "concerns" running the original j30 ecu on the j32. All stock right now, always run 91+ octane.

Thanks
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Old January 24th, 2016, 03:37 PM   #4
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Per hondaTa you need a 07-08 tl ecu, and it needs to be modified if you get the AT one since the Mt one are rere and cost and arm and a leg

U can run the j32a3 with the stock ecu but dont go wot. It will run lean.
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Old January 24th, 2016, 04:27 PM   #5
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shoot ok, correct me if I am wrong, but you need to have a 07-08 M/t TL ecu to run hondata?

Also, what are the advantages/disadvantages of installing a 04-06 M/T TL ecu instead now?

As of now, I can honestly forsee just 4 " intake, and exhaust this year. If I planned on supercharging or installing J35 heads, will hondata be needed?

Thanks for the replies man.
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Old January 24th, 2016, 04:34 PM   #6
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shoot ok, correct me if I am wrong, but you need to have a 07-08 M/t TL ecu to run hondata?

Also, what are the advantages/disadvantages of installing a 04-06 M/T TL ecu instead now?

As of now, I can honestly forsee just 4 " intake, and exhaust this year. If I planned on supercharging or installing J35 heads, will hondata be needed?

Thanks for the replies man.
You can use an AT ecu and hack it with hondata to make it a MT (read the hondata manual)

If you are doing heads you will need hondata to get the most out if it.

If you run the ECU you now without hondata you will get a Check engine light. I do have a harness I can sell you (200 shipped) but you need the canbus wire from hondata (50), and I have a way to program it and provide technical support. OR you can buy a new hondata harness for 350+ shipping and go to the dealer and have them reprogram the new ECU to match with your vinn and immbolizer. Up to you. Just throwing the offer out there.

You can search a few hondata thread in here. I helped someone installed hondata on their car like 2 weeks ago. There another one in Ohio that I did about 1 month and a half ago.
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Old January 24th, 2016, 05:00 PM   #7
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stupid question, but was this your thread?
http://www.v6performance.net/forums/...ecu-j32a3.html

and here are the 2 people that i helped

http://www.v6performance.net/forums/...ock-ecu-2.html

http://www.v6performance.net/forums/...pro-worth.html
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Old January 25th, 2016, 07:58 AM   #8
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I'm pretty sure I used a 04-06 AT ECU, soldered the cruise control and hooked up flash pro. The Hondata "hack" is a simple click of the mouse to select which trans you have.
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Old January 25th, 2016, 08:05 AM   #9
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An 04-06 Ecu will run the engine, but hondata does not support the 04-06Ecu. So if your planning on running hondata down the road it would make more sense to just get an 07-08 Ecu now and just run your stock Ecu till you have everything ready for the hondata + 07-08 tl Ecu ready. Otherwise you will have to use kens fly twice..once for the PnP 04-06 Ecu and again for the 07-08 Ecu+ hondata.

This is the way I understand it.
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Old January 25th, 2016, 08:13 AM   #10
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An 04-06 Ecu will run the engine, but hondata does not support the 04-06Ecu. So if your planning on running hondata down the road it would make more sense to just get an 07-08 Ecu now and just run your stock Ecu till you have everything ready for the hondata + 07-08 tl Ecu ready. Otherwise you will have to use kens fly twice..once for the PnP 04-06 Ecu and again for the 07-08 Ecu+ hondata.

This is the way I understand it.
Yeah, sorry. I meant 07-08 ECU, not 04-06!
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Old January 25th, 2016, 08:15 AM   #11
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The AT mod is to do the bridge so that cruise control works.

Also the pinout on the 04-05 maybe 06 ecu are different from the 07-08. So if you repin the accord harness to run the 04-05. You better mark down which one you depin because you will have to put it back to stock, so that you can run the conversion harness to run the 07-08 ecu.
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Old January 25th, 2016, 09:29 AM   #12
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yes sir, I have not been able to locate a 04-05 M/t Ecu yet, cant imagine trying to find a 07-08 ecu..

I really appreciate all the help from you guys on this site. from reading the thread "is flash pro worth it", I learned that a 04-05 mt TL ecu is really all i need for now guys.. until I install j35 heads etc. I will be contacting Dom for tuning in the future.

In response to the other post, yes, in one way it is a waste of money going to install the 05 m/t ecu, than switching out to an 08 ecu when more serious mods (heads etc.)are in place. The car is a DD right now, as far as mods go this summer, Only 4"intake and exhaust will be going on, which in my understanding, the 05 TL ecu will handle just fine for now.


Shout out to Thisaznboi and others helping me understand the basics of installing hondata in our cars, much appreciated.

P.S- I also mentioned, as soon as I locate a 05 tl ecu, my mechanic has a mobile source to match the immobilizer and all the works to my car. I will update as soon as it's in.
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Old January 25th, 2016, 09:31 AM   #13
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unfortunate hondata does not support 04-06 TL ecu.
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Old January 25th, 2016, 09:40 AM   #14
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If I were you I would do the flashpro before the heads. Even while mildly modded it does make a difference in drivability, and it sets you up for more potential in the future.

Also the money you put into buying a 04-05 mt ecu could be put to into getting stuff for flashpro. You might just be better off driving around with the stock ecu.

just a heads up here is a flashpro unit for 150 off the orginal price

http://acurazine.com/forums/car-part...type-s-940979/

just my .02
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Old January 25th, 2016, 12:41 PM   #15
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yes very true. I was planning on using the hondata with serious mods down the road, and just using the 05 tl ecu with i/e

Question, thisaznboi88 and others, what does it take for a 07 Tl auto ecu to work in accordance with flash pro.
forgive me if I'm mistaken. I would need 07 tl ecu, then the flash pro unit ( like the one up for sale above), then custom tuning? On average, how much is it for all that installed on the car. I'm Also from Canada, does that change anything?
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Old January 25th, 2016, 12:56 PM   #16
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you also need the wiring harness and canbus harness. Go on the link that I left you way uptop from hondata. Read everything and dl the manual and read that also. It spells everything out for you.
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Old January 25th, 2016, 02:04 PM   #17
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And the at Ecu must be modified to work on a 6-6 accord...I found an 08 Ecu for 80 bucks...I didn't even search that hard...just google search the part number they r pretty plentiful
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Old January 25th, 2016, 02:36 PM   #18
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Should be more ECU after this snow storm. Lots and lots of wreck cars where I live after 18inches of snow fell overnight
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Old January 25th, 2016, 04:46 PM   #19
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ok, thanks guys. looks like hondata has all the instructions I need down the road, thanks for the link aznboi

Good point on the snow.. here in ontario, Canada, it was sunny, dry roads, and sunroof popped kind of a day lol.
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Old January 25th, 2016, 04:52 PM   #20
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And the at Ecu must be modified to work on a 6-6 accord...I found an 08 Ecu for 80 bucks...I didn't even search that hard...just google search the part number they r pretty plentiful
great thanks. thats a good price. I see from your last thread you are enjoying the hondata on your 6-6, encouraging to see.
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Old January 25th, 2016, 05:11 PM   #21
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http://www.v6performance.net/forums/...n-hondata.html

if you need the harness I have one and I can send it up to canada. Also i can recommend a tuner for you up there. Pretty much everyone is using him on here and acurazine.
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Old January 27th, 2016, 06:11 AM   #22
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http://www.v6performance.net/forums/...n-hondata.html

if you need the harness I have one and I can send it up to canada. Also i can recommend a tuner for you up there. Pretty much everyone is using him on here and acurazine.
ok, sent you a pm. thanks
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Old January 27th, 2016, 06:18 AM   #23
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I didn't get anything
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Old January 27th, 2016, 04:54 PM   #24
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just sent...
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Old January 27th, 2016, 04:54 PM   #25
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where in Ontario are you?
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Old January 27th, 2016, 06:37 PM   #26
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where in Ontario are you?
Just outside of Guelph..
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Old January 28th, 2016, 08:19 AM   #27
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I personally feel head porting isn't worth it. This is coming from a guy who's gone through J30 and J37 ported heads. I dont have hard numbers being I didnt dyno from head to head but I just feel gains were made in the band, but they were minimal.
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Old January 28th, 2016, 12:05 PM   #28
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^ I have to agree with you for the amount of time and money it took to get the heads built. The HP gains were min. Would have been better off with some bisi stage 2 camshafts and new springs and retainers. Live and learn I guess.
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Old January 29th, 2016, 06:59 AM   #29
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Really, whats the estimated power gain on the head swap? I do agree, if the gains are minimal, it's really not worth the time spent swapping.

Thanks for the heads up.
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Old February 9th, 2016, 04:47 AM   #30
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If you get thisaznboi's harness I can get you a price on the hondata flashpro and can bus wires
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