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It is currently Thu Mar 28, 2024 9:44 am
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tonygerrard(1049)
Part built GTM
Joined: Thu Nov 22, 2007 10:31 am Posts: 132
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MEMS 2 diagnostics
Can anyone explain to me how the MEMS 2 diagnostic system is supposed to work? I have no obd2 socket on my loom and I cant find a wiring diagram for the socket so i can make one up. I see diagnostic socket mentioned on a number of 1.8 vvc wiring diagrams....
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Mon Apr 08, 2019 7:39 am |
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Phaeton
Looking like a GTM
Joined: Sat Apr 08, 2017 3:08 pm Posts: 171 Location: Worksop
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Re: MEMS 2 diagnostics
http://www.mgfcar.de/schedules/sb10.jpgBut I don't think it's very useful as you have to have the original MG software & their specific equipment.
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Mon Apr 08, 2019 12:47 pm |
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tonygerrard(1049)
Part built GTM
Joined: Thu Nov 22, 2007 10:31 am Posts: 132
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Re: MEMS 2 diagnostics
Theres only one pink wire, surely there were several connected to a j1962 connector (see image attached). I saw a couple of other wires mentioned going to the diagnostic socket on the anti theft circuit diagram, but no clarification on what pins they would connect to.
Attachments:
Screenshot_20190408-130808_Chrome.jpg [ 402.78 KiB | Viewed 2794 times ]
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Mon Apr 08, 2019 1:10 pm |
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sanzomat
GTM Nirvana
Joined: Sun Oct 19, 2014 10:10 pm Posts: 1136 Location: Bristol GTM: Spyder
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Re: MEMS 2 diagnostics
AFIK it is only the Mems 3.0 ecu's that are OBD11 compliant, the 1.9's (most non VVC <2001) and 2.0 (VVC <2001) used a non-OBD11 diagnostic system that required special hardware/software to interrogate. I suspect the ECU sent the signals down the one pink wire for the testbook machine to read.
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Mon Apr 08, 2019 2:06 pm |
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tonygerrard(1049)
Part built GTM
Joined: Thu Nov 22, 2007 10:31 am Posts: 132
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Re: MEMS 2 diagnostics
Ah, so it's not an option. Ok, thank you.
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Tue Apr 09, 2019 8:00 am |
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