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D3 cruise control
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matgriff
 


Member Since: 16 Sep 2019
Location: Newcastle Under Lyme, Staffs
Posts: 171

United Kingdom 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3
D3 cruise control

Hi all.

My 2005 SE TDV6 has been fitted with a D4 steering wheel before I got it. The flappy paddle gear change works fine, as does the raidio/CD controls.

The problem I have is with the cruise control, which seems to work sometimes (and when it works it works correctly) and then sometimes it just doesn't work.

When it's working, as soon as I press the cruise button, an orange light comes on the dash and it works fine, then I'll cancel it.... and then it wont work again ??

Any ideas where to start looking ? I have a IID tool, is there a menu that lets you look at the key press commands to see if they are being received by the ECU ?

Thanks

Mat
 2005 TDV6 SE Auto
Cairns Blue 
 
Post #21656564th Aug 2020 3:17 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10363

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

are there any relevant fault codes in the engine ecu ?
  
Post #21656594th Aug 2020 3:38 pm
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Hairy47
 


Member Since: 13 Jul 2017
Location: Bradford
Posts: 277

England 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

My newly fitted D4 steering wheel is causing me issues also, everything works except cruise and I can't access iid as I have the steering wheel controlled one so can't access fault, but worked perfectly prior to changing.
Hopefully you will find the answer
Andy
  
Post #21656624th Aug 2020 3:53 pm
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Ivan
 


Member Since: 01 Mar 2011
Location: Malvern Worcestershire
Posts: 688

United Kingdom 

You should have a lead with your IID that allows you to connect it to a laptop via the USB port. That's what I used until I got the BlueTooth version

HTH

Ivan.
 2013 RR Vogue SE SDV8
2013 Freelander 2 HSE Luxury SD4 
 
Post #21656674th Aug 2020 4:21 pm
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11891952
 


Member Since: 11 Jul 2020
Location: Pulborough
Posts: 83

United Kingdom 2006 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3

Hi Mat,

Mine does exactly the same (though a manual box and D3 wheel), I had a look at all my codes recently, nothing obvious. My current assumption is steering wheel angle sensor probably needs calibration. Well, that and the fact the wheel isn't straight yet. Does your wheel point straight ahead when travelling, or has it got an offset?
  
Post #21656684th Aug 2020 4:22 pm
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

11891952 wrote:
Mine does exactly the same (though a manual box and D3 wheel), I had a look at all my codes recently, nothing obvious. My current assumption is steering wheel angle sensor probably needs calibration. Well, that and the fact the wheel isn't straight yet. Does your wheel point straight ahead when travelling, or has it got an offset?


I think you can not make this comparison straight away....

If there is any fault on the system in the D3, cruise control wil “cut off”
Not specific with the angele sensor... can be everthing.. , brake pedal, abs, etc...

Big chance the D4 steering wheel issues are or have a completely different source...
So a own topic makes more sense imho...
 Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink 
 
Post #21656914th Aug 2020 5:50 pm
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matgriff
 


Member Since: 16 Sep 2019
Location: Newcastle Under Lyme, Staffs
Posts: 171

United Kingdom 2005 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Thanks for the replies guys.

There are no associated fault codes relating to the cruise control read by the IID tool.

The wheels & steering angle sensor are correct.

The cruise doesn't cut out when selected, obviously brake press etc stops it, it seems to be if I manually cancel it, then try to set it again.

BTW mine is an auto box.

Thx

Mat
 2005 TDV6 SE Auto
Cairns Blue 
 
Post #21657014th Aug 2020 6:21 pm
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goldypurple
 


Member Since: 23 Mar 2018
Location: Norfolk uk
Posts: 95

England 2010 Discovery 4 3.0 TDV6 GS Auto Stornoway GreyDiscovery 4

Mine was working then didnt,

suspect the wiring harness or the clock spring.

can anyone confirm whether the cruise control light, lights up when the vehicle does a self test when you turn the keys on?

tia
  
Post #21657894th Aug 2020 10:54 pm
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Pfff, as said above...

If there is any fault on the system in the D3, cruise control wil “cut off”
can be everthing.. , brake pedal, abs, etc..

When it is not working, in most cases has nothing to do with the CC itself..

But that is D3 with D3 steering wheel, this topic is about a D4 steering wheel in a D3
 Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink 
 
Post #21658025th Aug 2020 7:30 am
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ballast
 


Member Since: 13 Apr 2007
Location: South Midlands
Posts: 178

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Santorini BlackDiscovery 4

Sorry to resurrect. Anyone get to the bottom of this by any chance? Same issue, D4 wheel on D3, intermittent fault with corresponding fault reported. Guessing clock spring, but just thought I'd check in first.

Thanks

Chris
  
Post #218620611th Nov 2020 4:49 pm
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buns
 


Member Since: 12 Oct 2020
Location: yorkshire
Posts: 117

United Kingdom 

It will be the clock spring. One thing to check though first. When driving apply the cruise from the steering wheel when driving to turn it off press the brake not the cruise off button. Then when driving steadily again apply again. It should work ok. But don’t turn off with the cruise switch, just use the brake. If this works it’s the squib.
Nothing to do with the cruise switch.
  
Post #218622211th Nov 2020 5:36 pm
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RydinOrwin
 


Member Since: 19 Oct 2020
Location: Devon
Posts: 7

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

So my EPM is not working, I have the brake light flashing on the dash (I need to get the module out). Could this be the cause of the Cruise not working? It worked previously, b4 I tried to fix the EPM.
  
Post #22558847th Oct 2021 2:29 pm
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galwaygreen
 


Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525

United Kingdom 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Loire BlueDiscovery 4

the cruise control can also adjust speed of hill decent...ours is auto..not sure if same on manual box.
  
Post #22559498th Oct 2021 12:11 am
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