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DISCO4.COM > Webasto Fuel Burning Heater

FBH dosing pump and wiring
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Dazz360
 


Member Since: 03 Sep 2016
Location: West Midlands Walsall
Posts: 104

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

It’s either lock or broke so asking if someone is near me in the West Midlands with Webasto software and diagnostic kit please ??
If not I’ll have to buy one
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Post #18765507th Nov 2017 6:54 am
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Disco dazboy
 


Member Since: 02 Dec 2013
Location: Leicestershire
Posts: 1360

United Kingdom 2008 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Have a word with forum members beanie or bodsy they should be able to help! Thumbs Up
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As a wise man said
'Your as green as you are cabbage looking'! 
 
Post #18766157th Nov 2017 10:17 am
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Dazz360
 


Member Since: 03 Sep 2016
Location: West Midlands Walsall
Posts: 104

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

Thanks for all the help, I’ve purchased the diagnostic tool so within him delivery now and will report back
 Chrome font grill
LED lights interior /Exterior
Puddle bulb upgrade to LR logo projectors
Privacy glass all round
General grabbers
FBH LR Remote

Mods to do

Bodsys remap
Side steps
De tango
Driving lights 
 
Post #187817910th Nov 2017 10:17 pm
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Dazz360
 


Member Since: 03 Sep 2016
Location: West Midlands Walsall
Posts: 104

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

Right got software to plug in connected and run test it’s came up with this

Also it fired up then after that error fault
I’ve tested components and it seems my pump isn’t working but it’s new
 Chrome font grill
LED lights interior /Exterior
Puddle bulb upgrade to LR logo projectors
Privacy glass all round
General grabbers
FBH LR Remote

Mods to do

Bodsys remap
Side steps
De tango
Driving lights 
 
Post #188083718th Nov 2017 1:08 pm
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Sly666
 


Member Since: 14 Dec 2014
Location: East Sussex
Posts: 430

United Kingdom 2013 Discovery 4 3.0 SDV6 XS Auto Fuji WhiteDiscovery 4

Sounds like the pump output driver in the FBH is foobar.

The fuel pump wont run by putting 12v onto it. it needs to be the pulsed signal from the FBH.
If you have had the pump on a 12v supply for more than a few seconds you may well have burnt out the pump.
 
 
 
Post #188108619th Nov 2017 12:37 am
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Dazz360
 


Member Since: 03 Sep 2016
Location: West Midlands Walsall
Posts: 104

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

I know the pump work by tapping a 12v on and off. I’ll try a new wire bypassing the old one today see if It’s a bad wire
 Chrome font grill
LED lights interior /Exterior
Puddle bulb upgrade to LR logo projectors
Privacy glass all round
General grabbers
FBH LR Remote

Mods to do

Bodsys remap
Side steps
De tango
Driving lights 
 
Post #188109619th Nov 2017 7:27 am
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Bodsy
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Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 20794

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

I’d agree that it looks like controller problem or wiring, but the fact you can pulse the pump by tapping power onto the connector pin, seems the wiring is probably ok.
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Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here 
 
Post #188110319th Nov 2017 8:09 am
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Dazz360
 


Member Since: 03 Sep 2016
Location: West Midlands Walsall
Posts: 104

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

Thanks Bodsy for reading 👍🏻 I’ve checked the continuity of the white/blue wire and it’s good
Is it a known thing for the pulse to break on the pcb ?
 Chrome font grill
LED lights interior /Exterior
Puddle bulb upgrade to LR logo projectors
Privacy glass all round
General grabbers
FBH LR Remote

Mods to do

Bodsys remap
Side steps
De tango
Driving lights 
 
Post #188110519th Nov 2017 8:14 am
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Bodsy
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Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 20794

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Not common, but controllers do fail for various reasons.
 Bodsys Brake Bible

D4/D3 Remote FBH heat kits
BAS Remaps/ EGR Blank
Transmission Flush
Software updates/enabling


Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here 
 
Post #188110819th Nov 2017 8:20 am
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Dazz360
 


Member Since: 03 Sep 2016
Location: West Midlands Walsall
Posts: 104

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

I’ve put a wanted out for one , is their a fuse in the FBH?
 Chrome font grill
LED lights interior /Exterior
Puddle bulb upgrade to LR logo projectors
Privacy glass all round
General grabbers
FBH LR Remote

Mods to do

Bodsys remap
Side steps
De tango
Driving lights 
 
Post #188111219th Nov 2017 8:26 am
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Sly666
 


Member Since: 14 Dec 2014
Location: East Sussex
Posts: 430

United Kingdom 2013 Discovery 4 3.0 SDV6 XS Auto Fuji WhiteDiscovery 4

I picked up a sh fbh for £50 from eBay 👍
 
 
 
Post #188111319th Nov 2017 8:34 am
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Dazz360
 


Member Since: 03 Sep 2016
Location: West Midlands Walsall
Posts: 104

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

Wow sly Shocked I don’t get that kind of luck I end up paying way over
 Chrome font grill
LED lights interior /Exterior
Puddle bulb upgrade to LR logo projectors
Privacy glass all round
General grabbers
FBH LR Remote

Mods to do

Bodsys remap
Side steps
De tango
Driving lights 
 
Post #188111419th Nov 2017 8:37 am
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Sly666
 


Member Since: 14 Dec 2014
Location: East Sussex
Posts: 430

United Kingdom 2013 Discovery 4 3.0 SDV6 XS Auto Fuji WhiteDiscovery 4

Did you test run the fuel pump using the WTT software?
 
 
 
Post #188111519th Nov 2017 8:43 am
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Dazz360
 


Member Since: 03 Sep 2016
Location: West Midlands Walsall
Posts: 104

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

Yeah did run it and it came up with over heat fault shut down look above at photo
 Chrome font grill
LED lights interior /Exterior
Puddle bulb upgrade to LR logo projectors
Privacy glass all round
General grabbers
FBH LR Remote

Mods to do

Bodsys remap
Side steps
De tango
Driving lights 
 
Post #188113519th Nov 2017 9:52 am
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Sly666
 


Member Since: 14 Dec 2014
Location: East Sussex
Posts: 430

United Kingdom 2013 Discovery 4 3.0 SDV6 XS Auto Fuji WhiteDiscovery 4

I don't mean test run the heater, but run the pump on its own? Under the diagnosis menu.
 
 
 
Post #188113819th Nov 2017 9:57 am
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