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<blockquote data-quote="aidilj" data-source="post: 597283" data-attributes="member: 20536"><p>Bro huskar3399,</p><p></p><p>Not all OBD scanners are the same, OBDII standard allows vehicle manufacturers to extend the implementation to cater their own need. As for example in the ELM327 interface only pin 7 is used to communicate. In BMW-specific interfaces pin 7 and 8 are used. Only connecting pin 7, you will only be able to read engine related messages not other modules like ABS, IKE etc.</p><p></p><p>see here for elm : <a href="http://www.bmwclubmalaysia.com/forums/showthread.php?39713-DIY-My-E46-carputer-project&p=613604&viewfull=1#post613604" target="_blank">http://www.bmwclubmalaysia.com/forums/showthread.php?39713-DIY-My-E46-carputer-project&p=613604&viewfull=1#post613604</a></p><p>see here for ediabas : <a href="http://www.bmwclubmalaysia.com/forums/showthread.php?40618-EasyDIS-44-and-INPA-working&p=615482&viewfull=1#post615482" target="_blank">http://www.bmwclubmalaysia.com/forums/showthread.php?40618-EasyDIS-44-and-INPA-working&p=615482&viewfull=1#post615482</a></p><p></p><p>elm datasheet : <a href="http://elmelectronics.com/DSheets/ELM327DSF.pdf" target="_blank">http://elmelectronics.com/DSheets/ELM327DSF.pdf</a></p><p>OBD on wiki : <a href="http://en.wikipedia.org/wiki/On-board_diagnostics" target="_blank">http://en.wikipedia.org/wiki/On-board_diagnostics</a></p><p></p><p>Cheers</p></blockquote><p></p>
[QUOTE="aidilj, post: 597283, member: 20536"] Bro huskar3399, Not all OBD scanners are the same, OBDII standard allows vehicle manufacturers to extend the implementation to cater their own need. As for example in the ELM327 interface only pin 7 is used to communicate. In BMW-specific interfaces pin 7 and 8 are used. Only connecting pin 7, you will only be able to read engine related messages not other modules like ABS, IKE etc. see here for elm : [url]http://www.bmwclubmalaysia.com/forums/showthread.php?39713-DIY-My-E46-carputer-project&p=613604&viewfull=1#post613604[/url] see here for ediabas : [url]http://www.bmwclubmalaysia.com/forums/showthread.php?40618-EasyDIS-44-and-INPA-working&p=615482&viewfull=1#post615482[/url] elm datasheet : [url]http://elmelectronics.com/DSheets/ELM327DSF.pdf[/url] OBD on wiki : [url]http://en.wikipedia.org/wiki/On-board_diagnostics[/url] Cheers [/QUOTE]
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