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  #21  
Old 1st May 2013, 05:12 AM
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valfom valfom is offline
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Hello to All!
This is my first post here. But I'm regular reader since my join date.
I'm from Ukraine and my native language is Russian. So excuse me for my bad English.

I've made little research about this thread and want to share.

Using OBD-cable and ecuExplorer i've wrote the logs of TCU standing still with the engine switched off.


Then the logs were processed in MS Excell. The chart below was received as a result.



My conclusions:

1. Yes indeed, in the "1" interaxle clutch gets more "preload" compared to the rest of the positions of the selector. The graph shows that all the lines were merged into one except "Transfer Duty Ratio (%) 1", which is much earlier and sharper aim "up" meaning a higher degree of coupling block.
2. Somewhere about seen that the maximum power occurs at block 75% throttle opening. But based on the resulting chart, this value is 60% for the "2", "3", "D", "R" and 37% for "1".
3. And of course as a lock-up clutch for speed and slippage my small study did not show.

And note please that this is true for Subaru which is manufactured for Europe market.

Please If you have any questions or remarks post me.

I've wrote this article in my journal in one social network for car owners.
You can read it using google translate
When you're full, four-wheel drive A-AWD?

This automatic translator may be is even better then my English...

Last edited by valfom; 1st May 2013 at 04:53 PM. Reason: grammar
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  #22  
Old 1st May 2013, 06:22 AM
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That us great work! What model subaru was the study done on?
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  #23  
Old 1st May 2013, 06:36 AM
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G'day valfom & to ORS.

That is some fantastic info you've posted there

Well done mate

Regards
Mr Turbo
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  #24  
Old 1st May 2013, 05:03 PM
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Thanks for warm greetings.
"Test subject" is 2.0XT 05MY AT 177hp before restyling.
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  #25  
Old 19th January 2015, 09:48 PM
reberz reberz is offline
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Am i the only one really confused haha. I have read countless threads and all have different info. Is there a step by step guide anywhere rather than how it works and how to improve it? I was reading on one particular forum that you can just cut and add any switch in to the appropriate wire and it will work. I am in a 03 n/a forester. Only be used in snow/mud and gravel conditions where needed
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  #26  
Old 19th January 2015, 10:31 PM
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Probably not!

Refer to the original post on how to do it by following the link: http://www.rs25.com/forums/f8/t99075...mada-lite.html

More over here: http://www.subaruforester.org/vbulle...and-4eat-3091/
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  #27  
Old 29th May 2016, 08:11 PM
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Guys,

Just learnt the very hard way...in the late 2005 - 2008 models do not have the solenoid Engaged for any length of time. You run the risk of burning out the solenoid resulting in no drive to the rear
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  #28  
Old 2nd June 2016, 06:08 AM
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Thanks for the warning - I only use it in short bursts
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  #29  
Old 14th August 2016, 12:33 AM
reberz reberz is offline
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I now have a 4eat 2007 forester xt, anyone know pin position and resistance it needs to see?

I have been told about 9 different things

I wired to green w/ white stripe and ran a dummy to 4.5 ohms (what the tcu pinsouts i read say) but just got told you need to run 12v and 18/20ohms... what the heck?
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  #30  
Old 14th August 2016, 03:42 AM
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I believe it did change for later models; have a look here and you may find the answer: http://www.subaruforester.org/vbulle...and-4eat-3091/
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