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post #1 of 2 (permalink) Old 01-25-2016, 09:18 PM Thread Starter
n00b
 
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Tony Back is on a distinguished road
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How to activate auto detection

Tools: The Chinese INPA Ediabas interface (OBDII compatible, bought mine from Chinese seller obd365.com.)


How to:


I will auto-detect MY >2000-2001 via the OBD interface but not older models via the 20-pin/OBD adapter because the ignition signal is not detected by the 20-pin connector. The OBD side of the interface does have a connection to pin #1 (ignition, terminal 15) – see the small yellow “1” toward the top right of the PCB:


It is marked by the yellow arrow



But it is not passed through the OBD to 20-pin adapter. The adapter cable only has 4 conductors, only 3 of which are functional. So we have to do some soldering.



One connects OBD #1 6(battery, terminal 30) to 20-pin #1 4, the second connects OBD #4 /5 (ground) to 20-pin #1 9, and the third connects OBD #7 /8 (TDX1/TDX2) to 20-pin #1 7/20. (The 4th green conductor is soldered to 20-pin #1 5 but has no connection to the BMW INPA K+DCAN cable.)


I opened the shells of the 20-pin connector and the interface and soldered an external jumper (the red wire below) between pin#1 6 of the 20-pin connector and #1 of the INPA/Ediabas interface.



And voila, auto-detection in DIS:


Yellow “1” is on pin #1 6. Pin #1 , where the jumper is to be soldered to, is on on top of picture on opposite side on the board.


Done.
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post #2 of 2 (permalink) Old 03-05-2019, 01:58 AM
n00b
 
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thank you very much its helfull
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