Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429
But if it's locked out it won't run. You need to get WTT interfacing to analyse faults and reset or at least do proper fuse reset procedure to let it run via car can-bus
8th Dec 2014 10:17 am
Chris532
Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
Thanks for the links mark i have seen them but even following all the instruction can't get it to connect.
I have good power going to the FBH and also let the car go to sleep before trying to connect I'm using an ELM 327 to connect like this one
Using this pin out. I have also tried swapping the earth pins around and also both together.
Click image to enlarge
The latest WTT program and drivers for the ELM plug are installed the computer is seeing the ELM 327 and I'm also matching the COM ports up with the WTT program com ports. It just won't connect its driving round the bend I do get one red light on the ELM 327 and when its trying to communicate i get a single flashing yellow light to
8th Dec 2014 10:31 am
DiscoJake
Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429
Just to check; when you open WTT are you going into 'diagnosis' then 'device selection' and then picking 'W-Bus' from the drop down?
8th Dec 2014 10:53 am
DiscoJake
Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429
and is the diagnostic lead running off the same battery supply as the FBH?
(the W-bus signal generation depends on being the same voltage supply as that connected to the FBH, as i found out when trying to test run via my spare battery )
8th Dec 2014 11:03 am
Chris532
Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
Hi Jake,
Yes mate i have tried using a 12v power supply connected to the disco earth then also tried to just use the disco battery as well.
Im going throughout the options in the WTT software the same way as you have said to and still i just get the dreaded "diagnosis adapter is not connected" in the protocol box I'm wondering if the whole thing is fired or something maybe ill have to strip it down and have a look at its brains to see if there is something obviously wrong.
8th Dec 2014 11:21 am
DiscoJake
Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429
Hmm fault finding then, last thing to check is the red wire to FBH plug, is it seated properly? Everything else sounds good so maybe the brains of the FBH is toast
I bought a cheap USB device that was for VW - that works fine.Mark.
2006, D3 SE Auto - gone but not forgotten.
2014 BMW 530d M Sport Tourer.
1977 Triumph Spitfire 1500
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8th Dec 2014 2:10 pm
maplecottage
Member Since: 01 Feb 2011
Location: Norfolk
Posts: 3171
Mines a VW one also - works fine
8th Dec 2014 2:13 pm
Chris532
Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
To be honest i haven't a clue if it does. I have the Mongoose cable to so i could give that a go and see if that one works.
Hopefully its something as stupid as that
Last edited by Chris532 on 8th Dec 2014 2:38 pm. Edited 2 times in total
8th Dec 2014 2:30 pm
DiscoJake
Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429
I have a spare vw obd cable you could try.
it has no drivers with it but windows 7 sorted that with an auto download
I'm using my old vagcom cable on my Xp laptop
8th Dec 2014 2:31 pm
Chris532
Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
Thanks Jake,
Ill give the other cable a try first and see if i have more luck with that one, fingers crossed lol
8th Dec 2014 2:41 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18552
You need an OBD adapter which supports K-line, like the KKL adapter for a VW or the older type BMW ones. They also need to appear to the PC as a COM port.
No idea if the ELM327 supports K-line or appears as a COM port, nor Mongoose.06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!
8th Dec 2014 2:50 pm
Chris532
Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
Thanks Martin,
The ELM cable appears as a com port but ill have to try and find out if it suports K-Line
The Mongoose cable on the other hand won't appear as a com port it has its own name under a car communication name or something like that.
I think we could be getting close to solving this one lol
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