 | Home > In Car Electronics > What is this socket for? |
 
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| miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1763   
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Diagnostics connector, for a nanocom etc.
I don't believe it is "Proper" OBD2, but it's diagnostics either way. |
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7th Mar 2017 12:00am |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769  
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Odb socket, it's what you read faults from if you have a nanocom etc Ray
My build thread http://www.defender2.net/forum/topic17615.html |
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7th Mar 2017 12:02am |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 
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Diesel cars built from 2004 onwards should all be EOBD (OBD2) compliant. Diesel commercial vehicles over 2500kg gross weight didn't have to be OBD2 compliant until later, but if the station wagons were compliant so would the vans and pick ups. OBD tools are pretty limited though, so it's always better to get something more marque specific. A Sykes Pickavant ACR4 will talk to them with the appropriate pod and lead. |
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7th Mar 2017 12:16am |
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| miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1763
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Yeah I have a nanocom for mine! None of my generic OBD tools would talk to it though. Equally mine is a 99 with a later ECU, so it may be that the wires aren't there.
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7th Mar 2017 12:28am |
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| MadTom Member Since: 10 Sep 2013 Location: Olomouc Posts: 622  
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TD5 is OBD2 compliant. The main problem is - what does it mean, because in OBD2 there could be 4 different protocols. OBD2 is standard mainly for MOT testing the emission control of car. And second problem - LR is not a VW or Ford, but a bit un-standard car in countries different to UK. So the generic tools are generally not tested with this. And TD5 was designed before CAN bus was established as a standard for diagnostics. Generic OBD2 reader will probably only read fault codes. This is usefull. But with Nanocom or any other real diagnostics equipment suitable for TD5, you can do much more - like read live data, code in injectors, test inputs and outputs, .... "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo
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7th Mar 2017 7:18am |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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That's all OBD2 is designed to do. Read faults and usually just Engine related faults which might affect emissions.
It's the same on any car, they'll all read fault codes with a generic OBD2 tool, but you wont get anything like dealer level diagnostics. It's a proper OBD2 port, it's just that OBD2 is limited in what it will tell you (on any make of car). Really cheap tools are just that, really cheap tools, you wouldn't expect them to work properly with everything. My SP ACR4 works fine with my friends Td5, but then the ACR4 isn't a generic OBD2 tool it's a full diagnostic computer. If you're coding injectors and more advanced functions you're not actually using OBD2 you're using the manufacturers protocols. Some diag sockets on some cars you find don't have a power supply to the correct pins, the data connections are there, but the tool can't get power from the socket so it doesn't work. |
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7th Mar 2017 8:03pm |
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| bankz5152 Member Since: 02 Feb 2017 Location: South London/North Kent Posts: 2168 
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I've never known any diagnostic tool bar the specific LR ones to work, good to know some actually do. I have 2 generic ones which do absolutely nothing and a mates one does nothing.
From what I can remember speaking to an LR tech is that while the socket is OBD2, the interface is not OBD2 compliant and requires its own specific code reader. Apparently the same for the 2007 - 2010 L322s but to a different degree. It is also used for reading and writing maps/updating the ECU and accessing the SLABS (if you have ABS/TC) |
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15th Mar 2017 12:32pm |
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