3.4 Swaps The 3.4 V6 Toyota engine

3.0 pickup to 3.4 t100 conversion

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Old Oct 23, 2012 | 05:21 PM
  #1  
Austin Marr's Avatar
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3.0 pickup to 3.4 t100 conversion

Ok so if i knew how to post pictures on here i'd make a whole write up about my swap and things i've encountered but basically the donor is a 1996 t100 4x4 m/t. everything is done other then my speed sensor and my lights on my combo meter. The truck starts right up and idles a little rough but not terrible by any means. when i go to the throttle body to punch the gas it just chokes the motor completely out. i checked the TPS and my MAF wiring and made sure it wasn't reversed and its all good. i did the whole timing belt job and everything and i even checked my notches on my crank to my camshaft sprockets and they're good too. Im almost certain its my wiring. i got all my EWD's on TIS website and everything pretty much jived with the color wire to wire connections with the exception of 1 or 2 wires. the donor did not have a charcoal canister nor did it have a evap box. and i heard it run before i pulled it so i know that shouldnt have anything to do with it. what could this be? if someone thinks it could be my wiring and wants to know what i did i'll tell them exactly what i did cause i wrote everything down. any help would be greatly appreciated. YOTATECH ROCKS!
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Old Oct 23, 2012 | 05:58 PM
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My situation was similar and simply missed the 12+ power to the ECM itself. It's gotten several of us. Simple, yet overlooked. To upload photos, open a Photobucket account, upload pics, and paste the links here. They make it real easy.
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Old Oct 23, 2012 | 07:11 PM
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Ok so i just checked my EWD's for the t100 and no where on the engine control diagram do i see a 12+ power to the ECM.....what color is it? i see my W-R from my COR going to my pin 12 on my E4A that runs my +B......but thats it. thank you for the response
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Old Oct 23, 2012 | 07:48 PM
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Mine was a W-L from the COR E12 to +B on ECM. I've heard it was W-R on other models. But yeah, that's the one I was talking about.
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Old Oct 23, 2012 | 08:51 PM
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was there any other wires spliced into your wire as well? or was it just the one from your COR E12 to your +B on your ECM?
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Old Oct 23, 2012 | 09:00 PM
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I believe I splice a wire from II3 16 W-L(w-r in your case) wire directly over to E12 23 to power ECU . The one that powers up the IAC, o2 sensors, etc etc
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Old Oct 24, 2012 | 06:23 PM
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got her runnin! it was that wire! i was layin in bed agonizing over it and almost got up to do it. so i did soldered it tonight and problem solved!
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Old Oct 24, 2012 | 06:25 PM
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I'm glad for you. I remember that feeling too!
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