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Old 04-11-2008, 06:52 PM   #1
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DI/APC to T5 Conversion to T5Suite

I'd like to start this post for those of us who are intrested in this conversion. I'm looking to convert my 91 Turbo which has the LH 2.4.2 --to-- T5. I will be updating this first post with lots of pics and lots of detailed info as it progresses. All input will be greatly appreciated. I am creating this thread simply because it can get very daunting for anyone like myself who is very interested in the progress that is currently going on at http://forum.ecuproject.com/index.php , but is intimidated to dive in. There is lots of scattered info out there and this is mainly to try and get this all wrapped up in one step by step thread. I am following these two threads very closely: https://saablink.net/forum/showthread.php?t=27960
https://saablink.net/forum/showthread.php?t=27098

I will post some pics relevant to this subject, and will keep this first post updated as often as I can.



1- Which model cars and years have the T5 5.5 ECU?

You will find Trionic 5.5 on every Trionic 5 car other than the 1993 9000 (which had T5.2).

So, T5.5 will be on every 4 cyl 9000 from 1994-1998, and 4 cyl turbo ng900 from 1994-1998 and the 1999 9-3 (excluding Viggen).

Been looking at different diagrams and the 94-95 9000 w/o Electric Throttle System comes closest for this conversion. 94 probably being the closest.


2- What is needed for this conversion?

AIC-Will need the newer model
http://www.thesaabsite.com/9000/9000fuelsystem.htm
http://www.eeuroparts.com/productdetail.aspx?code=6163

what we have:



what we need:



APC- Should be the same http://www.elkparts.com/product_info...oducts_id/2388

APC





TPS-Should be the same http://www.eeuroparts.com/productdet...ts=1&code=5933

TPS





CTS-Need the 94-95 one http://www.eeuroparts.com/productdetail.aspx?code=6193

CTS-what we need


what we currently have:http://www.eeuroparts.com/productdet...ts=1&code=6362





ITS-Should be the same http://www.eeuroparts.com/productdetail.aspx?code=5936

ITS





MAP-This eliminates our existing AMM Air Mass Meter and is needed for the new system
OEM:http://www.eeuroparts.com/productdet...ts=1&code=6174
Scantech: http://www.eeuroparts.com/productdet...s=1&code=8791#

Map sensor needed:







o2 Sensor-need a newer version. ***I will look more into this and see if there is a way to still use ours***
http://www.eeuroparts.com/productdetail.aspx?code=4156#

o2 Sensor needed:





CPS-Need this to read the trigger wheel
OEM: http://www.eeuroparts.com/productdet...ts=1&code=4688
Afm: http://www.eeuroparts.com/productdet...ts=1&code=8306

CPS Sensor needed:






Purge Valve-should be the same http://www.thesaabsite.com/shop/sear...1=Start+Search
http://www.autopartsfair.com/saab-en...em-363897.html

Purge Valve:





Picture showing where the Trigger Wheel is located on the crankshaft. To get this Trigger wheel off you will have to remove the entire Crankshaft.


Viewing the trigger wheel inside the block. That hole you are looking through is where the Crankshaft Position Sensor - (CPS) sits in.

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Old 04-11-2008, 06:59 PM   #2
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Good luck!
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Old 04-11-2008, 10:28 PM   #3
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I have all the connections labeled for the T5 harness and have several wiring diagrams that should be of help to you. I will post those tomorrow when I'm a little more sober
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Old 04-12-2008, 01:09 AM   #4
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Quote:
Originally Posted by 90SPG View Post
I have all the connections labeled for the T5 harness and have several wiring diagrams that should be of help to you. I will post those tomorrow when I'm a little more sober
That would be great, thanks.
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Old 04-12-2008, 04:41 AM   #5
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The harness I pulled in hopes of doing this to my '91 was a 1994 9000 wo/ETS.

It looks to be the most similar to the LH2.4.2 harness, much more so than the harness in my 1995 9000.

As for the CPS - it looks like those photos above show a old b202 block that has been modified for fitment of the trigger wheel to be mounted inside he block. I think this is probably the most difficult way of mounting it. I would attempt to mount it on the main crank pulley in place of the LH trigger wheel.
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Old 04-12-2008, 04:55 AM   #6
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Yes I will be posting pics such as these below on how I will be mounting my trigger wheel later on as the thread advances. I just wanted to start off by getting the T5 Harness installed and to show where all the necessary parts can be found on both our LH 2.4.2's and on T5 cars and give a good idea of what they look like.




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Old 04-12-2008, 05:14 AM   #7
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Updated in lower post
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Old 04-12-2008, 06:30 AM   #8
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ECM=or also called ECU (Engine Control Unit) Will need a T5 5.5 --How to tell if it's a 5.5 there will be some 3 letters then the #5 space then the #5 then 1 letter and two numbers eg: ATM5 5B02 .
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Old 04-12-2008, 08:52 AM   #9
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You can tell which parts will work and which will not by doing a part cross reference.

Just look up the AIC, CTS, ATS, and other components and see if they are the same for say, a 1995 9000 and a 1991 9000.

example - http://www.eeuroparts.com/productdet...ts=1&code=5883
that shows that your 1991 9000's AIC is not the same one as a later one

Another example - for the TPS, this siggests that the one from your 1991 will work fine with a 1994-1995 9000 harness - http://www.eeuroparts.com/productdet...ts=1&code=5933

Just keep looking up the parts and seeing what year range they will fit. You'll want each sensor to match your harness. So, if you have a 1994 9000 harness like I do, you want sensors that will work on a 1994 9000.

Most of the components from the 1991 are going to work with my 1994 harness.
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Old 04-12-2008, 09:51 AM   #10
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Was going to start doing that once I figure out which harness I've got in my hands. Its starting to look like a 99 9-3 2.0. Still researching though. If it starts getting too complicated meaning having to get all new sensors and such I will have to hunt down a 94 like yours and take it from there. Thanks JK
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Old 04-12-2008, 12:09 PM   #11
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Ok so I finally figured out which harness I have, it's a 2000 9-3 2.3 Turbo T7. So this won't work for me. Come Monday will go and find a 94 or 95 9000 harness w/o Electric Throttle System.
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Old 04-12-2008, 12:33 PM   #12
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Yeah, you do not want a ng900 or '99 9-3 harness because its going to be a bit different than a 9000 harness. It would probably be best to find a 1994 harness like I said, or a 1995 harness which will be quite a bit different, but can probably be made to work.

Also, to answer you're #1 question. You will find Trionic 5.5 on every Trionic 5 car other than the 1993 9000 (which had T5.2).

So, T5.5 will be on every 4 cyl 9000 from 1994-1998, and 4 cyl turbo ng900 from 1994-1998 and the 1999 9-3 (excluding Viggen).
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Old 04-12-2008, 12:41 PM   #13
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Posting your reply on the first post. Thanks JK
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Old 04-13-2008, 12:04 AM   #14
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Did a little research on wiring diagrams between the 94 & 95 Turbo w/o Electic Throttle and here's what I came up with. The only real difference I can find is the color assigned wires, the principle remains the same for both systems. I will look more deeply to see the compatibility between our existing sensors and the 94-95 sensors.

Some pics which I created using the info I got on Mitchell.





ECU Pinouts for the 94 & 95







Wiring harness plugs for the 94 & 95. The yellow highlighted boxes show the different color assigned wires compared to the 94 diagram.
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Old 04-13-2008, 08:28 AM   #15
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Old 04-13-2008, 01:57 PM   #16
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Have some diagrams to go over, will definitely not be an easy task but only time will tell.

Whole Diagram of 94 and below it 4 corners magnified:


Top Left Corner:


Bottom Left Corner:


Top Right Corner:


Bottom Right Corner:





91 DI/APC Diagram Full and then magnified split in two below:


Top Half:


Bottom Half:
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Old 04-13-2008, 02:42 PM   #17
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Slightly OT but could you tell me what motor is in this pic?
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Old 04-13-2008, 02:55 PM   #18
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Slightly OT but could you tell me what motor is in this pic?
It is a B202 with the trigger wheel mounted on the crank pulley
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Old 04-13-2008, 02:56 PM   #19
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Moar pics/info/link? This is exactly what I needed to see.
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Old 04-13-2008, 03:01 PM   #20
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http://forum.saabturboclub.com/viewtopic.php?t=146016 go through there for plenty of pictures, unfortunately its hard to understand what is needed to get it set up.

I was eventually going to get in touch with SaabDaniel and see if he can at least translate what needs to happen or maybe even provide some insight on the dimensions of the adapter to get the wheel to fit. But all in all it doesn't seem like it is that difficult to rig up, my only concern is being able to get the wheel in the correct position so that the CPS reads correctly.
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Last edited by 90SPG; 04-13-2008 at 03:03 PM.
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