Dont Kill me for this POST!! INJECTOR ECU PROBLEMS after swap - Toyota Nation Forum : Toyota Car and Truck Forums
 

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Old 07-27-2009, 10:41 AM   #1 (permalink)
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Dont Kill me for this POST!! INJECTOR ECU PROBLEMS after swap

I swapped a JDM 2nd Gen gt4 motor into my 90 GTS

it was automatic and i converted to stick and used a 91 gts tranny that i guess ill eventually rebuild before it blows but

the problem here is that i extended all my clips - besides the MAF sensor but im still working on the custom intake so idk where im mounting that yet but i was still hoping to hear this baby run or drive it for a test run before customizing more...

But i am not getting any power to my injectors or at least the one closest to the RHD fender -- im heading to shop to check all my injectors but it sounds like none are firing.. I got the engine to run on Ether but thats not good for it but i know its firing and it sounded alright-- im guessing its not the timing but rather the Pinouts for the ECU??

i still running the stock ignition harness to the 3sgte ecu which must be wrong.. since the pinouts have only 2 spots for the no.10 and no.20 injectors which i guess power all 4 in the 5s but the 3s has one pin for each injector? I need to know if i have to change around the ecu pins or rewire the clip that goes into or if this isnt the problem .. PLEASE HELPP I WANT TO DRIVE MY CELICAAA
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Old 07-27-2009, 03:49 PM   #2 (permalink)
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update!

Okay wrong side of the ECU i was thinking of lol

okay i had it upside down...

well now its the 3rd clip and i both the one that came with the jdm ecu and my stock one so i guess since there is more wires going to the s tock one which are just extas and fine witout i can use the same clip just swap the pins over to the right spots...

I just wonder which pin exactly is causing no power up there, going to check out what the initials stand for and work with it..
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Old 07-27-2009, 07:09 PM   #3 (permalink)
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Okay So i really would like some advice on this..

i have got the 2 pinout diagrams from the
5sfe gts 1990 with ECT
and the
3sgte 89661-20750=89/10-90/03(superceded to 20751)

the difference is that the 5sfe has a NSW, ACA, OD1, OD2, and FC pin
while the 3sgte is missing those but has 3 extra the FPR, CCO, EGW and B and B1 are swapped places

Would this be the reason no injector has power?? ALl the other clips came with the JDM setup and ECU so all should be fine and dandy..

Wondering if i can use three of the 5 unused wires that were in the stock clip and power the extra ones i need powered.. and i also havent changed the 2 other clips that were stock in my gt-s
I really need help
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