unter dem BMW scanner Verzeichnis ist ein Datei wo pinbelegungen drin stehen schaut doch mal ob die PIN am Auto auch belegt sind:
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Connection of the adapter for BMW Scanner V1.3.0/1.3.5/1.3.6
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DB9 (black, jack) - to PC COM-port or USB-COM converter
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02 - RxD
03 - TxD
04 - DTR
05 - GND
[=] - GND
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DB9 (black, probes) - to a diagnostic socket
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01,02 - +12v
04,05 - K-line
03,07,08,09,[=] - GND
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Cable for BMW-20 socket
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DB9 adapter BMW-20
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01,02 - 14
04,05 - 17,20
03,07,08,09,[=] - 19
Cable for OBD-II socket
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DB9 adapter OBD-II
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01,02 - 16
04,05 - 07,08
03,07,08,09,[=] - 04,05
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