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Old 03-29-2017, 07:53 PM   #29
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Hi,

I am new here. sorry if i ask any wrong question.I have Toyota GT86 2012 car. Bought it from japan , it got Greddy T518z turbo setup and tuned the ECU by Greddy and locked.
Code - ZA1JA01A
Now ,I need to Reflash the ECU and back it on stock ROM and Map. How can I do it. PLease suggest .
Thanks
If it was setup and tuned by Greddy then its probably got an ecutek tune in ecu which locks ecu to ecutek.

You would need to find someone with an ecutek cable kit or any ecutek tuner wil be able to flash you back a stock rom, ecutek system comes with all stock roms. This only takes a few minutes if you find someone with ecutek cable kit.

Alternativly you could get an ecu from a similar car ie a 2012-2013 car with same transmission type ie auto\manual from a wrecked car or their are some on ebay. If its not same car you would need to reflash ecu with correct rom calid using say Tactrix see links below.

ZA1JA02A is also compatable with your car

But if you get ecu from same car then you can jist swap it in using proceedure in forst post in this thread, no special tols or flashing system required

you might also be able to sell the old ecu as it has a $350 usd ecutek licience in it
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Old 06-20-2017, 09:40 AM   #30
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The procedure after installing the ECU is used to make sure the immobilizer doesn't stop the car from starting? I was a little confused about that part. Could anyone clarify? I purchased a new ECU, and don't want to install it and not have my car be able to start due to the immobilizer.

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Old 06-20-2017, 05:43 PM   #31
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The procedure after installing the ECU is used to make sure the immobilizer doesn't stop the car from starting? I was a little confused about that part. Could anyone clarify? I purchased a new ECU, and don't want to install it and not have my car be able to start due to the immobilizer.

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100% sure that car will not start if you just swap in the ecu, you definitly have to use this proceedure to sync new ecu into security system.
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Old 06-21-2017, 01:44 AM   #32
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The procedure after installing the ECU is used to make sure the immobilizer doesn't stop the car from starting? I was a little confused about that part. Could anyone clarify? I purchased a new ECU, and don't want to install it and not have my car be able to start due to the immobilizer.

Thanks!
Just helped a friend install a ecm yesterday.
entered a new vin jumped the data port 4-13 loaded a tune, car starts no problem.
Just take your time and ask questions if you get stuck, but believe me it's not voodoo and anyone can do it.
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Old 06-21-2017, 04:39 AM   #33
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+1 engine ECU is probably the easiest module to swap out

you dont even need to set the VIN if you dont have the software tools, car will still start and run without vin change
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Old 07-07-2017, 03:06 PM   #34
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May be a silly question but when looping the Pins together, could anything be used? Example: Paperclip? Copper Wire?

Also, I ordered the ECU based off my VIN, but is my VIN logged into the ECU? Or would I still need to use TechStream? I plan on installing the new ECU tomorrow and then run over to my Tuner, so don't want to mess it up prior to!
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Old 07-07-2017, 03:11 PM   #35
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May be a silly question but when looping the Pins together, could anything be used? Example: Paperclip? Copper Wire?

Also, I ordered the ECU based off my VIN, but is my VIN logged into the ECU? Or would I still need to use TechStream? I plan on installing the new ECU tomorrow and then run over to my Tuner, so don't want to mess it up prior to!


Yes a paper clip or piece of wire will do, just has to connect the pins for the entire 30 mins.


Changing the vin is not required to get car to start and run. Yes the vin is stored in ECU
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Old 07-08-2017, 11:29 AM   #36
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Quote:
Originally Posted by steve99 View Post
Yes a paper clip or piece of wire will do, just has to connect the pins for the entire 30 mins.


Changing the vin is not required to get car to start and run. Yes the vin is stored in ECU
Hey Steve, I turned my ignition to Full ON and noticed the CEL is flashing from the get go. I thought it's supposed to be flashing once the procedure is complete in 30 minutes... Should I just wait it out anyways?

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Old 07-08-2017, 12:07 PM   #37
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I did procedure and when I went to start the car, it fired up then immediately cut off. Does that mean I didn't do it properly?

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Old 07-08-2017, 04:45 PM   #38
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Hey Steve, I turned my ignition to Full ON and noticed the CEL is flashing from the get go. I thought it's supposed to be flashing once the procedure is complete in 30 minutes... Should I just wait it out anyways?

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yeas wait it out, the cel flashing means the pins looped
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Old 07-08-2017, 04:47 PM   #39
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I did procedure and when I went to start the car, it fired up then immediately cut off. Does that mean I didn't do it properly?

Sent from my Nexus 6P using Tapatalk

If you have key start and it shuts off after 5 sec it probably means it didn't complete correctly.


Read the codes from ecu you will probably get some security mismatch codes. Clear them and see if they re-appear next start.


if so repeat procedure, make sure you leave pins looped for at least 30 mins
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Old 07-25-2017, 11:33 AM   #40
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Quote:
Originally Posted by steve99 View Post
If it was setup and tuned by Greddy then its probably got an ecutek tune in ecu which locks ecu to ecutek.

You would need to find someone with an ecutek cable kit or any ecutek tuner wil be able to flash you back a stock rom, ecutek system comes with all stock roms. This only takes a few minutes if you find someone with ecutek cable kit.

Alternativly you could get an ecu from a similar car ie a 2012-2013 car with same transmission type ie auto\manual from a wrecked car or their are some on ebay. If its not same car you would need to reflash ecu with correct rom calid using say Tactrix see links below.

ZA1JA02A is also compatable with your car

But if you get ecu from same car then you can jist swap it in using proceedure in forst post in this thread, no special tols or flashing system required

you might also be able to sell the old ecu as it has a $350 usd ecutek licience in it
if the ecu is usdm, can i reflash it with a jdm rom with a different calid? will the ecu accept the reflash?
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Old 07-25-2017, 09:25 PM   #41
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if the ecu is usdm, can i reflash it with a jdm rom with a different calid? will the ecu accept the reflash?

AFAIK the ecu hardware is same for all ecu 2012-2016 regardless if auto/manual or which country. I have not tested every combination but done a few now no problems.

The ECU will always accept the rom as flash devices flash the same area 7ffff-13ffff hex and the roms are all same size.

Assuming you using opensource tools like tactrix/KESS V2 you wont have any issues.

If you using ecutek brzedit or other licienced/locking tools then the problems will be due to the liciencing and locking not the ecu itself.

you will still need to sync the ecu into security as per first post.

we have got usa manaul ecu and used it in australian Auto car no problem.


even the 2017 ecu is likely same i just havent had to swap one yet

Last edited by steve99; 07-26-2017 at 11:55 AM.
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Old 07-26-2017, 12:52 AM   #42
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My brother Steve99 putting out the knowledge!!!!
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