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Old 07-11-2011, 03:58 PM
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TCU pin assignment

After swapping out TCU in our 92 with 444 transmission, having problem with VSS1 not reading. Assuming I have a connection problem with the wiring connectors to the TCU or poorly soldered 28 pin dip, anyone know which positions are related to VSS1?
It is difficult to swap TCUs due to the location, trying to minimize time spent upside down...
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Old 07-11-2011, 04:06 PM
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Re: TCU pin assignment

I was under the impression that you weren't supposed to swap TCUs when doing the 4.44 swap. Or did you swap it out because it was bad?
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Old 07-11-2011, 05:58 PM
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Re: TCU pin assignment

Quote:
Originally Posted by icingdeath88 View Post
I was under the impression that you weren't supposed to swap TCUs when doing the 4.44 swap. Or did you swap it out because it was bad?
Swapped in unit with ECUtune ROM
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1997 Ebony #308 113k "The Black Diva"SOLD
1992 Black over Liquid Silver 152k SOLD
1992 Ebony 251k 444 SOLD
1999 Silver SLK230 134k SOLD
1997 Green Outback 137k SOLD
2013 Honda Accord I4 SOLD
2015 Subaru Crosstrek 30k
2018 Tesla M3 30k
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Old 07-12-2011, 07:58 AM
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Re: TCU pin assignment

Can you confirm the speed sensor still works?
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Old 07-12-2011, 08:28 AM
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Re: TCU pin assignment

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Can you confirm the speed sensor still works?
That sounds like a great idea, how do I test it?
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1997 Ebony #308 113k "The Black Diva"SOLD
1992 Black over Liquid Silver 152k SOLD
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Old 07-12-2011, 12:30 PM
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Re: TCU pin assignment

When I was testing out the 5spd after I first installed it, all of a sudden the speedometer quit. I ended up taking the sensor out of the 4EAT and using it in the 5spd.

Basically, do you have a working sensor you can borrow?
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