IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

06 is250 ECU pin out/diagram

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Old 12-22-18, 09:25 PM
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Jesse724
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Default 06 is250 ECU pin out/diagram

Hi, My name is Jesse.
I have been lurking in the shadows in this forums long before some of you were born..(not true but maybe be true).
But anyways im here to share some of my knowledge that i have gathered through the long road of turning my IS250 into a fun track car..
And to make it funnerrr-er im going to need some of you lexus gurus knowledge..

So, I'm in the middle of swapping a 2jz into my fun IS to make it funnerrr-er..
and im at a road block at the moment and its the is250 harness..I became cross eyed looking and searching everywhere for something like a Haynes repair manual or even in those onlines tech thing that cost $30 to use their online log but nothing has the ecu pin out or diagram of some sort..

so, i come for your help! Does anybody have a is250 ecu pinout/diagram or have a lead to where i can get it.. i dont mind if i have to pay but its gotta be the 06 is250 rwd ecu pinout/diagram..i gotta get this thing going before next drift event!!


thanks for your time and help..
and sorry if i sounded a little goofy, the holidays makes me feel weird..

Last edited by Jesse724; 12-22-18 at 09:32 PM.
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Old 12-24-18, 04:16 PM
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pavelekPL
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Can you be more specific, which ECU exactly?
Old 12-24-18, 04:35 PM
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Jesse724
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Originally Posted by pavelekPL
Can you be more specific, which ECU exactly?

the engine ECU
Old 12-24-18, 04:43 PM
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pavelekPL
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I have the subscription to techinfo till Wed. I'll look it up for you in a couple of hours.
Old 12-24-18, 05:13 PM
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OK, i had some time before the Christmas Eve's dinner. i hope this isn't against the forum rules, if so I apologize and i'll delete the file. Anyway, there's a lot of files there. Let me know what else you need.

4GR-FSE ENGINE CONTROL SYSTEM_ TERMINALS OF ECM.pdf
Old 12-24-18, 05:13 PM
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Originally Posted by pavelekPL
I have the subscription to techinfo till Wed. I'll look it up for you in a couple of hours.

awesome!! Thank you thank you thank you!!
Old 12-24-18, 05:19 PM
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Originally Posted by pavelekPL
OK, i had some time before the Christmas Eve's dinner. i hope this isn't against the forum rules, if so I apologize and i'll delete the file. Anyway, there's a lot of files there. Let me know what else you need.

Attachment 477244

thank you Sir!!!

And do you have the body harness pin out from the plug if not its ok it will be easier to trace it..


and thank you again!!! God bless you!!!
Old 12-24-18, 11:32 PM
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2013FSport
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Currently there is this:
Alldatadiy.com
Promo YEAREND18
full access per car for 12mo. Can't beat it.
Old 12-25-18, 08:14 AM
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Originally Posted by 2013FSport
Currently there is this:
Alldatadiy.com
Promo YEAREND18
full access per car for 12mo. Can't beat it.
thanks you! I been looking for something like that..as ill be needing to redo all the chassis harness and remove all the sensors and aibag harness i wont be needing..

as soon as im done with the swap ill post a simple easy step by step on wirering the 2jz on the IS in case somebody decides to do the same!

thanks for the info and help!!
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Old 03-10-21, 11:05 PM
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Originally Posted by Jesse724


thanks you! I been looking for something like that..as ill be needing to redo all the chassis harness and remove all the sensors and aibag harness i wont be needing..

as soon as im done with the swap ill post a simple easy step by step on wirering the 2jz on the IS in case somebody decides to do the same!

thanks for the info and help!!
HI,DID you complete this ?

Old 03-10-21, 11:56 PM
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Originally Posted by Elie767
HI,DID you complete this ?
not quiet yet lol, but i did get most of the safety computer out/ bypassed it..got the gps radio out and removed the key fob computer so it was on one may switch and push button.


kind of started to enjoy it at the track until the motor blows out but it never did..thing can redline all day long it’s INSANE! But yea Sold it and bought some military trucks started building those monsters..picked up a sc430 yesterday so the jz will get dusted off and find its home soon 🤞🏽
Old 03-11-21, 12:03 AM
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Old 03-29-21, 08:07 AM
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Originally Posted by Jesse724
not quiet yet lol, but i did get most of the safety computer out/ bypassed it..got the gps radio out and removed the key fob computer so it was on one may switch and push button.


kind of started to enjoy it at the track until the motor blows out but it never did..thing can redline all day long it’s INSANE! But yea Sold it and bought some military trucks started building those monsters..picked up a sc430 yesterday so the jz will get dusted off and find its home soon 🤞🏽
Nice,did you manage to document anything ?
Old 03-15-24, 01:09 PM
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Hi all I know this is a old thread but chancing my luck lol world anyone have a wiring diagram for obd port Lexus is 250 2007
Old 03-15-24, 02:20 PM
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I did a quick google and found this:

https://pinoutguide.com/CarElectroni...c_pinout.shtml
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