 | Home > Puma (Tdci) > Turbo Actuator Calibration |
 
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| hunting_defender Member Since: 14 Oct 2024 Location: Bludenz Posts: 21   
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Hi Folks,
I just bought an after market trubo actuator for my 2015 2.2l Td4 - DT224 Engine. I am wondering if I can calibrate the actuator using the Gap iiD Tool. Anyone experience?? Thank you  Click image to enlarge |
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6th May 2025 8:52am |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6664  
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I think the procedure is called "Replace Turbo" in the IID service menu?
There's definitely a process in there. 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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6th May 2025 10:37am |
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| hunting_defender Member Since: 14 Oct 2024 Location: Bludenz Posts: 21
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That's what I heard - with a Bosch tool it is no problem, just wandering if someone used the iiD tool from GAP.
Thank you |
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6th May 2025 11:22am |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 2304
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I believe that in Europe the ford 2.2 TDCI was unfortunately also referred to as a TD4 ! Certainly the DT224 is the correct engine designation. There is also a turbo reset function on the Nanocom for the 2.2 ( not 2.4) , however I’m unaware of what it actually does as it’s not documented by blackbox solutions. |
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6th May 2025 11:31am |
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| andy63 Member Since: 30 Jun 2023 Location: north east Posts: 717
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In the bulletin I read the only specific instructions was to reset any fault codes then follow the instructions on the tool.. so no idea what followed..but my thoughts are that the actuator takes up a position when the ignition is switched on.. it shouldn't be hard to check against some fixed datum where that leaves the actuator and if that is the same position for both actuators and the rod remains the same length then it should be fine..
Ive never had my actuator off and don't know if there is any adjustment available on a rod.. It would also help if you knew what your average maf figures were at tick over, and they should remain in that range after replacing an actuator.. |
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6th May 2025 11:46am |
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| hunting_defender Member Since: 14 Oct 2024 Location: Bludenz Posts: 21
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Jup in Europe it's Td4  I wrote to GAP today as I couldn't find any information in their manuals. It's a shame Garrett or Hella won't sell an actuator without a turbo - strange... I will let you know if the after market actuator is any good and if it is the solution to the initial problems... |
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6th May 2025 12:55pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6664
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I have answered this question for you up above.
1988 90 Td5 NAS soft top
2015 D90 XS SW |
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6th May 2025 12:56pm |
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| hunting_defender Member Since: 14 Oct 2024 Location: Bludenz Posts: 21
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I figured the same - with Bosch computer it is a very simple task on the other engines... as for the DT224 Garrett/Land Rover wants you to change the whole turbo when the actuator breaks. I will try to us the replace turbo function and I will see if that does the trick. Otherwise I will visit my cousins garage and have him calibrate with the Bosch computer. |
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6th May 2025 12:57pm |
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| hunting_defender Member Since: 14 Oct 2024 Location: Bludenz Posts: 21
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Thank you Martin - I looked in to the menu today and couldn't find the function - hopefully GAP can give me directions or an update of the iiD software! Otherwise I will use a different tool! |
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6th May 2025 12:58pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17750 
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Thanks guys, I stand corrected on both points!
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6th May 2025 1:45pm |
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| hunting_defender Member Since: 14 Oct 2024 Location: Bludenz Posts: 21
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I asked GAP the following.
Gap was fast in replying. 
I will let you know if it worked! |
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6th May 2025 2:26pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 2304
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I wonder what it actually resets.
I’m assuming that the values that have been reset then need to be relearned in some way, and in doing so a reset in essence forces a learn of those values. Alternatively the ECU may run a learn process on a regular basis that overwrites the existing values. in which case all the reset is doing is setting a default set of values that will be overwritten next time the regular learn is run. If the latter case is correct then not doing a reset will likely not cause any issues and over a short period any values will be updated anyway. Noting on the 2.2 you can do a MAF , EGR, and throttle reset ( amongst other resets ) and driving the vehicle a few miles after replacing any of those components seems to result in everything being calibrated. Last edited by Ianh on 6th May 2025 5:04pm. Edited 1 time in total |
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6th May 2025 4:09pm |
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| andy63 Member Since: 30 Jun 2023 Location: north east Posts: 717
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I think its got to be something along those lines ian..
All you will be doing is making sure there are no fault codes or default values in play on the ecu to influence the actuator control.. These are just my thoughts and if its glaring obviously wrong happy to be put right.. The actuator does two things.. It senses the direction of travel and the speed of travel of the turbo vanes..that signal is relayed to the ecu.. in a digital format.. The ecu then drives the actuator motor ( most probably an H Bridge driver ) to deliver whatever the ecu maps require for boost (read mass air flow) for the given operating conditions at the time.. Ive noticed that the air fuel ratio on my engine anyway is about 28 /29 to 1... And even though that changes under various accelerator demands it is always trying to get back to that value and remains stable when it does.. Ive also noticed the oxygen sensor will sit at lamda 2.and always strives to get back to that condition.. To me those are the main factors that influence the demand on the turbo.. |
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6th May 2025 5:03pm |
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