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FBH test query
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jasonhb
 


Member Since: 17 May 2014
Location: Leamington Spa
Posts: 67

England 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3
FBH test query

Hi All

Don’t think my FBH is working, it has been freezing a few mornings this week, plenty of diesel but no smell, no smoke, nothing.

Is there any way that I can test it or confirm whether it is working or not?

As an aside, read the wiki about it and mine also appears to have the red wire - not sure what this will do for me but thought I’d mention it.

Thanks in advance.

Jason
 '05 D3 TDV6 HSE Zambezi Silver
Blanked EGR's
Goodyear Duratracs
Long list of upgrades and mods to come 
 
Post #18775259th Nov 2017 1:43 pm
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badgerade
 


Member Since: 31 Jul 2010
Location: Berkshire
Posts: 270

United Kingdom 2006 Discovery 3 TDV6 GS Manual Zambezi SilverDiscovery 3

Easiest way to check it's actually doing anything is to start the car and open the bonnet.. you'll hear/feel the pump working away. You can also feel warm air coming out of the FBH exhaust under the car at the front.

I think the cheapest way to diagnose is to buy the lead from the forum shop (https://www.disco3.co.uk/shop/fbh-diagnostic-loom-lead-for-webasto-d3-d4-rrs-ttv-p66.html), a usb to OBD lead from ebay, and then install the Webasto software onto a laptop. (Unless you've got an iid or something similar)
  
Post #18775459th Nov 2017 2:53 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 2244

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

hi

there is a reset and how to diagnose from robbies excellent write up

FBH should come on below 7c

think the red wire was fitted on earlier D3 when connnecting a controller

https://www.disco3.co.uk/wiki/Fuel_Burning_Heater#Resetting
 MY 2005 -D3- TDV6-Java black -Auto
**** D3 - Sticker ****
Egrs blanked
Dash Clock
3x indicator flash
Belts and upgraded oil pump cover

Retrofitted -Cruise control -Front electric seats- D4 steering wheel stalks 
 
Post #18775469th Nov 2017 2:57 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 2244

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

badgerade wrote:
Easiest way to check it's actually doing anything is to start the car and open the bonnet.. you'll hear/feel the pump working away. You can also feel warm air coming out of the FBH exhaust under the car at the front.

I think the cheapest way to diagnose is to buy the lead from the forum shop (https://www.disco3.co.uk/shop/fbh-diagnostic-loom-lead-for-webasto-d3-d4-rrs-ttv-p66.html), a usb to OBD lead from ebay, and then install the Webasto software onto a laptop. (Unless you've got an iid or something similar)


beat me to it Whistle
 MY 2005 -D3- TDV6-Java black -Auto
**** D3 - Sticker ****
Egrs blanked
Dash Clock
3x indicator flash
Belts and upgraded oil pump cover

Retrofitted -Cruise control -Front electric seats- D4 steering wheel stalks 
 
Post #18775489th Nov 2017 2:58 pm
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