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Old 06-25-2013, 06:20 AM   #1
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Help: TCS Throttle Calibration procedure using a Tech2

I've got two different TCS manuals (the official Saab workshop manual and this guide) and both describe how to calibrate the throttle using ISAT, but not using a Tech2.

Scrolling through the Tech2 menus doesn't lead me to the right place. Is there way to to put the Tech2 into "ISAT mode?" Or is there a screen where I can manually enter procedure codes (i.e. 971, 973) as described in the ISAT procedure?

I'm a Tech2 noob; the answer could be right there in front of my face... but I can't find it. Google is no help, either... I've only managed to find a few other posts asking the same question.

I'll be the first to admit that I need professional help... in more ways than one.
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Old 06-25-2013, 11:23 AM   #2
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Follow the procedures in the factory manual.

Once you're in the programming menu for ETS there are 5-6 options for calibration, Base-Line setting, etc., and at the beginning of the lines are the ISAT codes, 970, 971, 972, etc.



I believe you go:

Key on, engine off.

Engine >> ETS >> Programming >>

Select 'BASELINE SETTING.' It should say 'WAITING' or something like that, you have to wait until it displays 'READY' or 'BASE-LINE DONE' or 'DONE' or whatever it says (going off memory here).

Then you go BACK (or maybe push enter) and command '973: CALIBRATION'

The TCS CTL light should come on, then you start the engine without touching the pedals, and it does it's RPM sweep thing. Tech2 will probably lose communication with the car once it starts the calibration process.

It's common to have to go through the steps 3-4 times before it actually 'takes' and the car does the RPM sweep. If you think you did it right and nothing happens, just key it off, let it rest a second, and start over.
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Old 06-25-2013, 11:40 AM   #3
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Thanks, Drew. The selections you've mentioned just aren't on the menu. :/

When I get to:
Engine >> ETS >> Programming

the only options that I have are to select model year (allows me to chose 91 or 92) and engine size (2.0L or 2.3L). After selecting both, it asks for confirmation and then appears to communicate, but nothing really changes.

I was able to read and clear diagnostic codes (78390, 25240, 35780, 25252), so I know there is some communication.

I'll try it again tonight after removing and cleaning the connectors for the throttle body and gas pedal pot.
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Old 06-25-2013, 12:50 PM   #4
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What year is the car? Are you plugged into the black connector under the passenger seat, or the green one? Need to be plugged into the black one.

What version is the Tech2 software?
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Old 06-29-2013, 04:40 PM   #5
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What year is the car? Are you plugged into the black connector under the passenger seat, or the green one? Need to be plugged into the black one.

What version is the Tech2 software?

The car is a '92. Yup, plugged into the gray connector.

Not sure of Tech2 software version. Will check.

This is the same car that's missing when cold, but runs totally fine when warm... as described in another thread.

Are the calibration settings stored in the ETS computer? If so, I'll take out the seat and check connections for corrosion. I can swap the ETS counter Fromm other '92 in order to troubleshoot.
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Old 06-29-2013, 04:46 PM   #6
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Yes, settings stored in ETS computer under driver's seat.
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Old 07-03-2013, 04:08 AM   #7
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Swapped in another ETS ECU and the car didn't acknowledge it at all. Immediate limp home mode.

The original ETS ECU seems to be working well enough... I just can't calibrate it.

I guess that's tolerable for now; I'm *really* hoping to resolve the missing when cold issue.

It would have been nice to eliminate the ETS/TCS control logic from the list of suspects.
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Old 07-03-2013, 04:10 AM   #8
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Software version 43.000

ImageUploadedByAutoGuide1372853399.887993.jpg

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Old 07-03-2013, 08:36 AM   #9
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V43 should work fine. There is another menu that has the calibration options then, that's just the programming menu for settings, right? Did you find the other with the 970, 971, 973 options?
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Old 07-03-2013, 08:44 AM   #10
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Wasn't there an issue with pins/contacts inside the connectors?

Maybe its not making full connection?
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Old 07-03-2013, 11:43 AM   #11
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That's a good point.

I have had corrosion issues be the root cause of odd or intermittent running, or no communication.

You have to check all the connections. There are 4-5 connectors on the ABS body, one on the throttle body, to the ABS computer, and to the ETS computer. Look for any pins that are bent or corroded or might be getting pushed out the back of the connectors.
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Old 01-07-2015, 11:46 PM   #12
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hi could vou provide me v43.000 need it to calibrate my saab 9000 my aero tcs
best regards
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Old 01-07-2015, 11:47 PM   #13
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need bin

hi could vou provide me v43.000 need it to calibrate my saab 9000 my aero tcs
best regards
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Old 01-08-2015, 09:35 AM   #14
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Hi,

It is rude to join a forum without even introducing yourself and request that forum members provide you with something.

You can usually find V43.0 PCMCIA cards for the Tech2 on eBay, and I believe there are several forum members who can program one to sell to you as well.

You will want to post that in the For Sale section, under the 'Wanted' classifieds, since this thread has to do with one of the procedures to code the ETS system.

Welcome to SaabLink!
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