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Oversize Tyres and CCF
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btekcan
 


Member Since: 24 Dec 2014
Location: Istanbul
Posts: 201

Turkey 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
Oversize Tyres and CCF

Hello,

I'm using 265/65R18 Cooper tyres,but car computer show me wrong fuel calculation and speed also wrong. I'm sure gear system also wrong calculate something. Any idea how can I see and adjust to the correct value ?

Regards
  
Post #147390715th May 2015 8:30 am
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Not a great deal you can do with the D3 trip computer to make it truly accurate as it is not adjustable like the one in the D4.

Usually installing a bigger rolling circumference removes some of the speed error built into the system, but there is a stored value in the CCF. The rolling circumference is a 'sensitive' parameter as it is used by the ABS and checked against other stored CCF values. Your IIDTool cannot adjust it, well not just yet.

It will be added to the tool in due course. When it does it will look something like this:

Click image to enlarge


Hope this helps.

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Post #147391915th May 2015 9:01 am
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btekcan
 


Member Since: 24 Dec 2014
Location: Istanbul
Posts: 201

Turkey 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

I'm waiting Beta FW Smile I'm also beta tester before Patrick sent me a beta firmware for my Smog Sensor and working perfectly. I hate wrong calculation and also speed.

Regards
  
Post #147392415th May 2015 9:08 am
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btekcan
 


Member Since: 24 Dec 2014
Location: Istanbul
Posts: 201

Turkey 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Any news about this feature ?

Regards
  
Post #156245317th Nov 2015 4:17 pm
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btekcan
 


Member Since: 24 Dec 2014
Location: Istanbul
Posts: 201

Turkey 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Any news about this feature ?

Robbie wrote:
Not a great deal you can do with the D3 trip computer to make it truly accurate as it is not adjustable like the one in the D4.

Usually installing a bigger rolling circumference removes some of the speed error built into the system, but there is a stored value in the CCF. The rolling circumference is a 'sensitive' parameter as it is used by the ABS and checked against other stored CCF values. Your IIDTool cannot adjust it, well not just yet.

It will be added to the tool in due course. When it does it will look something like this:

Click image to enlarge


Hope this helps.

Thumbs Up
  
Post #159439517th Jan 2016 12:29 am
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btekcan
 


Member Since: 24 Dec 2014
Location: Istanbul
Posts: 201

Turkey 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Any news about the this feature ?
  
Post #189160218th Dec 2017 2:16 pm
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