Resolved 90 AWD TSi ECU

[packinkimber45]

Hey guys, I was correcting the install on my SAFC from the previous owner and I noticed on my ECU harness (24 pin connector) that pin 2 I believe is the 'data diagnostic/data transfer" pin in the harness is not there. The wire is gone on the harness. Is this suppose to be or is it suppose to be there?

thanks guys.

 

[steve]

I think your counting the pins wrong and if so your correcting the SAFC install might be questionable. You need to count the pins from the back side of the connector, where the wires come out left to right top to bottop and the latch is on the top. Just like if you were looking into the ECU. The second pin in from the top right won't be on cars that didn't have ABS but that's pin 11.

Pin 1 will be Yellow
Pin 2 White
Pin 3 Black/Red

Pin 10 Green/Blue
Pin 11 if it exists Red/Blue
Pin 12 Yellow/Red

Steve

 

[packinkimber45]

I think your counting the pins wrong and if so your correcting the SAFC install might be questionable. You need to count the pins from the back side of the connector, where the wires come out left to right top to bottop and the latch is on the top. Just like if you were looking into the ECU. The second pin in for the top right won't be on cars that didn't have ABS but that's pin 11.

Pin 1 will be Yellow
Pin 2 White
Pin 3 Black/Red

Pin 10 Green/Blue
Pin 11 if it exists Red/Blue
Pin 12 Yellow/Red

Steve

Steve... actually I know my SAFC connections are now good. I followed via vfaq to install SAFC the right way, and now working like it should be.

I am looking at the connector plug on ECU harness from the front end of plug actually where the pins are exposed. Referencing it with VFAQ, diagnosis/data transfer select terminal pin and wire is missing. Is it suppose to be there?

Not trying to connect anything to this part, only wondering if this should be there? if looking at the back of 24 pin connector it is the 2nd from the right on the top row. thanks. again.

 

[steve]

I am looking at the connector plug on ECU harness from the front end of plug actually where the pins are exposed. Referencing it with VFAQ, diagnosis/data transfer select terminal pin and wire is missing. Is it suppose to be there?

Not trying to connect anything to this part, only wondering if this should be there? If looking at the back of 24 pin connector it is the 2nd from the right on the top row.

Pin 2 is the second from the left in the top row when looking at the back of the connector where the wires come out. Pin 11 is the second from the right top row like I said before.

Steve

 

[packinkimber45]

Pin 2 is the second from the left in the top row when looking at the back of the connector where the wires come out. Pin 11 is the second from the right top row like I said before.

Steve

Ok, I'm sorry. I am not trying to argue with you at all, just explaining it in reference to the vfaq document, which must be wrong then.

Don't mean to sound stupid, but just want to be on the same page as you. When you say back of connector on harness, do you mean where the wires are, or where the end of the pins are and can you tell me what color the wire is for "diagnosis/data transfer select terminal" on the harness?

EDIT: I attached harness picture so you know what I am talking about. I took off of vfaq and modified to show the wire missing. thanks.

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[steve]

when you say back of connector on harness, do you mean where the wires are, or where the end of the pins are?

Since we seem to be having a spacial problem let me show you how it works.
The pins are referenced to where they go into the ECU connector.
The is what the VFAQ and manuals are trying to show you.

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The mating connector from the harness is then numbered looking at the back of the connector where the wires come out. Ignore the missing wires I've stolen from this connector.

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Steve

 

[steve]

steve... you still there?

, it takes a few mins to go find the connector, take some pictures, and photoshop them for use.

Steve

 

[packinkimber45]

ok steve, had a feeling we werent on the same page. I did hook up my safc right though, I did follow the safc install on vfaq. I guess I just read that article and assumed that the pin out diagrams were looking at directly the plugs on the harness as well. thanks for clarifying that.

EDIT: it makes sense to me now. it is pin 11 missing which would be right since my car is non abs. thanks again.

 

[steve]

I guess I just read that article and assumed that the pin out diagrams were looking at directly the plugs on the harness as well. thanks for clarifying that.

It's a real common problem that even the person writing the SAFC VFAQ seemed to have.
If they had numbered the pins or if you had checked the labeled functions against the ECU pinout VFAQ you would have noticed the difference.

Steve

 

[packinkimber45]

It's a real common problem that even the person writing the SAFC VFAQ seemed to have.
If they had numbered the pins or if you had checked the labeled functions against the ECU pinout VFAQ you would have noticed the difference.

Steve

actually I had both printed out when I corrected safc install, just didnt look close enough to see the difference, however I followed only the safc vfaq during install and made sure wire colors where correct, so I know my safc install was done right. thanks again for clarifying that for me.