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Old 03-09-2012, 08:36 AM   #1
garface
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Default Running JDM STi Ver. 7 EJ207 with USDM 02/03 ECU

I was just thinking about putting a USDM ECU in my car for inspections so it could communicate with the state system. I'm worried about the TGV sensors or lack there of. Will they cause a check engine light? Any other problems that might appear from this? It would only be temporary. AVCS shouldn't cause any problems, right? It just wouldn't function.
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Old 03-12-2012, 07:57 AM   #2
garface
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bump.
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Old 03-21-2012, 04:05 AM   #3
181stLeader
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Should run the motor just fine with the right map flashed to the 03-03 ecu. You will get TGV codes but they can be deleted with open source tuning software.
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Old 04-03-2012, 11:48 AM   #4
WhozyerDADDY
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Default me too

I'm curious to know this also, I have a 01 rs with a jdm v7 swap..and need to pass emissions and Cobb tuning isnt far away, and they told me they can't help me as far as my jdm ecu...but they could help me out if I ran a usdm wrx ecu.
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Old 04-03-2012, 12:27 PM   #5
mcwc
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As far as I know, with a JDM ECU, you are stuck with ECUTek or open source.

The 02/03 USDM WRX ECU is pin compatible with the V7 harness but you will not get AVCS with the USDM WRX ECU.
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Old 04-03-2012, 12:30 PM   #6
garface
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But he can swap to a usdm ecu for the inspection. Just needs to get rid of the tgv code.
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Old 04-03-2012, 03:05 PM   #7
WhozyerDADDY
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I'm pretty sure I have a NON tgv v7...so I don't think it will throw one of those codes
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Old 04-03-2012, 03:12 PM   #8
garface
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Ver. 7's don't have tgvs, but the usdm ecu will look for them hence the codes.
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Old 04-03-2012, 06:13 PM   #9
WhozyerDADDY
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Ahhh, I got ya....oh, another thing...as far as the avcs on the v7...I don't think my v7 has those either...did they start the avcs on the v8s?
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Old 04-03-2012, 08:53 PM   #10
Zephyr
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The issue that you will run into when trying to pass inspection even with a USDM ECU on a V7 is that the emission control circuits need to be added to the harness so that the readiness tests that are part of the emission inspection are present. I'm not sure that you can flash these out. As others have said the TGV functions can be turned off.
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Old 04-03-2012, 09:15 PM   #11
jam007
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V7 has AVCS
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Old 04-04-2012, 07:57 AM   #12
garface
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Quote:
Originally Posted by Zephyr View Post
The issue that you will run into when trying to pass inspection even with a USDM ECU on a V7 is that the emission control circuits need to be added to the harness so that the readiness tests that are part of the emission inspection are present. I'm not sure that you can flash these out. As others have said the TGV functions can be turned off.
Thanks. Do you know which readiness tests specifically?
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Old 04-05-2012, 01:29 PM   #13
fastnoypi
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Quote:
Originally Posted by Zephyr View Post
The issue that you will run into when trying to pass inspection even with a USDM ECU on a V7 is that the emission control circuits need to be added to the harness so that the readiness tests that are part of the emission inspection are present. I'm not sure that you can flash these out. As others have said the TGV functions can be turned off.
what emission control circuits are you talking about?
I borrowed an 03 USDM ecu, flashed it for my injectors, turned off all tgv related codes and forced readiness to pass NJ inspection. Its straight forward and should be very similar testing in NY state.

Note, the rom has to match the ecu, you may get some weird fuel pump controller CELs if there is a mismatch.
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Old 05-13-2014, 03:54 PM   #14
intrexin
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This is very easy with open source tuning and a usdm ecu. Click tgv and force pass readiness. Worked like a charm on NY's new inspection pc's
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Old 05-13-2014, 04:14 PM   #15
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N/a N/a

Last edited by xxst1tch3sxx; 05-13-2014 at 04:15 PM. Reason: Realized this was a post that got bumped from 2012 lol
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