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Webasto heater timer (UPDATED)
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10forcash
 


Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534

United Kingdom 2007 Discovery 3 TDV6 HSE Manual Zermatt SilverDiscovery 3

Firstly, CANbus is active - it sends a keepalive every 15 minutes, secondly, if you want / need that functionality, why not look at adding a remote or GSM switch to the system?
  
Post #22767524th Nov 2007 6:24 pm
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NoDo$h
 


Member Since: 02 May 2006
Location: Finding new and exciting ways to milk badgers.
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Ukraine 

I'd be more than happy with a remote to activate the FBH without the timer, but is that possible?
 I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.  
Post #22767924th Nov 2007 6:32 pm
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10forcash
 


Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534

United Kingdom 2007 Discovery 3 TDV6 HSE Manual Zermatt SilverDiscovery 3

No, you need the digitised output from the timer, once you have the timer however, it's possible to activate the FBH by text message 8) *provided you add the other bits!
  
Post #22768024th Nov 2007 6:33 pm
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countrywide
 


Member Since: 16 Sep 2007
Location: UK
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United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Unknown ColourDiscovery 4

I think I will look for a remote as this would solve the problem.

If the CANbus is alive what is it sending to the FBH as it doesn't seem to affect the operation. I presume this is a different signal compared to the one it sends when it's awake ?. I still don't understand why it affects the FBH, but then I have no idea how the CANbus works. I thought the CANbus for things like the FBH was like remote switching of a local power source, i.e to cut down having a seperate power source for every item.

How does it work Confused
  
Post #22768124th Nov 2007 6:36 pm
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10forcash
 


Member Since: 09 Jun 2005
Location: Ubique
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United Kingdom 2007 Discovery 3 TDV6 HSE Manual Zermatt SilverDiscovery 3

have a look here http://en.wikipedia.org/wiki/ISO_11898
  
Post #22768424th Nov 2007 6:56 pm
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countrywide
 


Member Since: 16 Sep 2007
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United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Unknown ColourDiscovery 4

Do you have a link to the English version, it appears to be written in some strange language Shocked
  
Post #22768524th Nov 2007 6:59 pm
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10forcash
 


Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534

United Kingdom 2007 Discovery 3 TDV6 HSE Manual Zermatt SilverDiscovery 3

Once you've added a telemetry module there's no reason why you couldn't switch on the screen heating as well Wink Whistle
  
Post #22768724th Nov 2007 7:06 pm
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10forcash
 


Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534

United Kingdom 2007 Discovery 3 TDV6 HSE Manual Zermatt SilverDiscovery 3

countrywide wrote:
Do you have a link to the English version, it appears to be written in some strange language Shocked
http://www.disco3.co.uk/gallery/albums/use...etwork.pdf  
Post #22768824th Nov 2007 7:08 pm
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countrywide
 


Member Since: 16 Sep 2007
Location: UK
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United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Unknown ColourDiscovery 4

That is excellent, thanks.

I think to remove the CANbus could mess things up. Do you happen to have the pin outs for the FBH just so I know which is which.
  
Post #22769324th Nov 2007 7:23 pm
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10forcash
 


Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534

United Kingdom 2007 Discovery 3 TDV6 HSE Manual Zermatt SilverDiscovery 3

Yep, the two connected wires on the FBH are CANBus Rolling with laughter Rolling with laughter
BTW, have you considered how the FBH 'knows' whether to fire up or not when the D3 is 'asleep'?

















it's those 'silent' CANbus messages Wink
Pins 7 & 4 are CANBus high,& low, pin 5 is the supply to the FBH fuel pump
  
Post #22770324th Nov 2007 7:42 pm
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countrywide
 


Member Since: 16 Sep 2007
Location: UK
Posts: 6019

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Unknown ColourDiscovery 4

You are a fountain of knowledge, where do you get all this info. You obviously don't work for Land Rover as you know too much Very Happy

Will it Censored up the CANbus system if I try removing them Exclamation
  
Post #22770824th Nov 2007 8:01 pm
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10forcash
 


Member Since: 09 Jun 2005
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United Kingdom 2007 Discovery 3 TDV6 HSE Manual Zermatt SilverDiscovery 3

countrywide wrote:
Will it Censored up the CANbus system if I try removing them Exclamation
not permanently no, i'd consider using solid state relays though..... TBH i've never measured the effect of disconnecting 'live' CANBus as it would only normally happen in an RTI and at that stage, who cares?  
Post #22772324th Nov 2007 8:13 pm
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AndrewW
 


Member Since: 06 Aug 2007
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United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Orkney GreyDiscovery 4

Found a guy in Germany - I sent him 3 x €50 notes (to avoid £20 for a Bank Transfer) and he posted me 3 timers. He has more, he says.

He actually posted them before I posted the cash Shocked

Any use/help?

(I'll need to work through this thread to figure out WTF to do with mine - I wasn't going to buy one yet.)

Andy
 2006 D3 finally swapped for a 2016 D4 Graphite in Graphite grey. No mods  
Post #22792625th Nov 2007 4:13 pm
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countrywide
 


Member Since: 16 Sep 2007
Location: UK
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United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Unknown ColourDiscovery 4

Well I tried without the CANbus connected and it tried to fire up, but then shut down. Connected it back up and it fired no problem, so I guess it uses some signals from the CANbus to run even with the timer.

I am happy to post instructions from LR on fitting the timer.
  
Post #22794025th Nov 2007 5:05 pm
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stapldm
 


Member Since: 11 Sep 2006
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United Kingdom 2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Countrywide, did you JUST disconnect the canbus wires, or the whole multiplug? One of those other wires in the multiplug drives the fuel pump - no fuel, no burn...
 Dr. Ian Malcolm:
"Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should."
Transgenic tomato anyone? 
 
Post #22797225th Nov 2007 6:42 pm
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