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Diagnostic ODBII butchery advice.....
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Dangerous
 


Member Since: 06 Aug 2017
Location: Suffolk
Posts: 108

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
Diagnostic ODBII butchery advice.....

Hey folks, FBH is not working, wanted to get it working as it bugs me that it’s not.

Had codes:

Auxilary Heater

B1D29-93 (2E) No start, even after restart attempt - Component failure - no operation
B1D34-68 (2F) Heater in lock out mode - Algorithm based failure - event information

Cleared and tried again, much smoke, no poke



Second try normally get something like this




I have an old ODBII lead left over from BMW ownership, was wondering if I can use it to diagnose the FBH???
Wired up like this??








  
Post #21029271st Dec 2019 12:03 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18440

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

https://www.disco3.co.uk/wiki/Fuel_Burning_Heater#Diagnostics Wink

The site shop diagnostic looms will also do what you want - https://www.disco3.co.uk/shop/diagnostic-l...o-p66.html
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #21029281st Dec 2019 12:15 pm
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Dangerous
 


Member Since: 06 Aug 2017
Location: Suffolk
Posts: 108

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Cheers, I have read that whole article, what I am wonder is, is the circuitry in my lead any different to those on the website. I can make up the other wires as needed.

Essentially I don’t want to spend £40 unnecessarily if I have an ODBII lead here that’s the same.
  
Post #21029321st Dec 2019 12:38 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18440

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Can't really tell from the photos if it is definitely a K line type adapter (the type you need) and the web site on the label is long gone.

Looks likely though as pins 7 and 8 are bridged which suggests it supports K line.

Worth a try Thumbs Up

Worst case if you can make the rest of the loom is a new USB adapter: https://www.disco3.co.uk/shop/usb-to-obd2-...s-p91.html
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #21029341st Dec 2019 12:43 pm
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