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Old 02-21-2013, 07:26 PM   #1
Scooby Newbie
Member#: 222747
Join Date: Sep 2009
Chapter/Region: E. Canada
Location: Montreal,QC, Canada
2002 STi v7 Wagon

Default Minimum requirement for ECU to boot


I've almost completed my JDM STi version 9 swap into my 2002 2.5RS USDM. I'm using a version 8 ECU to bypass the IMMOBILIZER.
I have merge a WRX USDM '02 harness into my 2.5RS. I'd say 99% of the wires where the same colours so it was a pretty straight forward merge.

Although, I can't get my Main relay to click (turn on). I have checked all the pins on the ECU for power, ground and key-on. They all seem alright!

What I'm trying to find is what do I need to get the ECU to turn on? What are the minimal requirements? Like, +12v on pin A2,A3,A5 , gnd on C17, etc...

I don't get the CEL on when I turn the key on. Any suggestion would be appreciated.
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