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phurley
Member Since: 19 Aug 2007
Location: So. NH
Posts: 175
  
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| Transfer box control module programming |
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Has anyone programmed a replacement transfer box control module (aka 4WD control module) with T4/Autologic? Is it absolutely necessary - ie, can the transfer box control module be installed and calibrated via the instructions in GTR ("press accelerator all the way for 5 secs., etc.") without first being initialized/downloaded by T4?
Please don't ask why I want to know as way too many hapless fools have been lambasted for similar trains-of-thought.
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 31st Dec 2008 4:15 am |
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heine
Member Since: 07 Feb 2007
Location: Midrand
Posts: 4054
  
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Yeah - why 
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| 31st Dec 2008 6:47 am |
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simonsi
Member Since: 14 Oct 2007
Location: Auckland
Posts: 1264
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No idea, doesn't GTR tell you? Cheers
Simon
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| 31st Dec 2008 9:25 am |
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Bushwanderer
Member Since: 27 Nov 2007
Location: Northern Rivers, NSW, Australia
Posts: 2050
 
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When I had my transfer case ecu replaced under warranty I was told that it wasn't an unusual fault. I then asked if I should carry a spare, upon which I was told that it needed to be reset at the dealers and so there was no point. 
If Autologic can reset this, they've got a customer. The Bearded Dragon
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| 31st Dec 2008 9:58 am |
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phurley
Member Since: 19 Aug 2007
Location: So. NH
Posts: 175
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Ignoring the whys...
GTR contradicts itself, which is why I'm asking about any practical experience. In the 4WD overview, GTR states that after replacing a transfer box control module, T4 must be used to re-calibrate the ecu.
However, several pages later in the same document, GTR states that to re-calibrate a transfer box control module after replacement of any of the affected parts - including transfer box ecu - either T4 or an alternate self-calibration procedure (which is then outlined) can be used.
For one, this self-calibration procedure *might* be useful if transfer case reverts to limp-home mode in the middle of nowhere. Like bushwanderer wondered, if a spare transfer case ecu can be popped in and re-calibrated in the field, would be seriously useful. Of course, that would only make sense if the transfer case ecu was pre-loaded from the factory, rather than needing to be uploaded with software first...
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| 31st Dec 2008 7:05 pm |
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10forcash
Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534
 
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All the transfer box control module needs to see is the full movement of the solenoid, this is normally done as part of the initial start-up routine, i'm aware of the procedure on GTR but have never used it as my Autologic has that functionality. That said, my old D3 suffered low battery voltage a couple of times and logged a 'range change not available' fault, following the GTR procedure cleared it both times - <07MY D3's have modified software to prevent this error but a new module will need the calibration routine to be carried out, as far as I know the manual routine is still valid
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| 31st Dec 2008 9:29 pm |
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phurley
Member Since: 19 Aug 2007
Location: So. NH
Posts: 175
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Makes sense. I thought you'd know - thanks for the info.
Happy New Year! 
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| 31st Dec 2008 10:45 pm |
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norto
Member Since: 10 Apr 2006
Location: batemans bay
Posts: 1605
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TFC
Can you post the manual reset procedure on here
or PM it to me Pete
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| 31st Dec 2008 10:54 pm |
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phurley
Member Since: 19 Aug 2007
Location: So. NH
Posts: 175
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[edited: should not have done that...]
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| 31st Dec 2008 11:21 pm |
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norto
Member Since: 10 Apr 2006
Location: batemans bay
Posts: 1605
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Phurley
Pete
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| 31st Dec 2008 11:23 pm |
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