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| MEMS 2 diagnostics http://www.gtmdrivers.com/forum/mems-2-diagnostics-t4184.html |
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| Author: | tonygerrard(1049) [ Mon Apr 08, 2019 7:39 am ] |
| Post subject: | 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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| Author: | Phaeton [ Mon Apr 08, 2019 12:47 pm ] |
| Post subject: | Re: MEMS 2 diagnostics |
http://www.mgfcar.de/schedules/sb10.jpg But I don't think it's very useful as you have to have the original MG software & their specific equipment. |
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| Author: | tonygerrard(1049) [ Mon Apr 08, 2019 1:10 pm ] | ||
| Post subject: | 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.
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| Author: | sanzomat [ Mon Apr 08, 2019 2:06 pm ] |
| Post subject: | 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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| Author: | tonygerrard(1049) [ Tue Apr 09, 2019 8:00 am ] |
| Post subject: | Re: MEMS 2 diagnostics |
Ah, so it's not an option. Ok, thank you. |
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