1997 E36 OBDII connectors - Page 2

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    #11
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    just trying to make sense of this being a novice with this side of electronics; am i right in thinking that an OBDI handheld system will be able to work with the BMW DS2?
     
     

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    Allegedly so according to what I read on another site today. OBD1 - being totally proprietary to BMW - is DS2. I've yet to confirm this.

    It was certainly the high price of the proprietary connector, interface and manufacturer's software independent garages faced that forced the relevant regulatory body to mandate OBD2 used a standard 16 pin connector and supported a standard bunch of generic fault codes over ISO9141.
     
     

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    #13
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    Allegedly so according to what I read on another site today. OBD1 - being totally proprietary to BMW - is DS2. I've yet to confirm this.

    It was certainly the high price of the proprietary connector, interface and manufacturer's software independent garages faced that forced the relevant regulatory body to mandate OBD2 used a standard 16 pin connector and supported a standard bunch of generic fault codes over ISO9141.
     
     

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    #14
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    Quote Originally Posted by Timz View Post
    Thanks for all your ideas and detailed response - but I take it that it is a no-no to try and get my E36 to connect.
    I'm working on it. But not with that ISO9141 adaptor, you won't get DS2 to work no.
     
     

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    Just adding this document here, as it's the most relevant thread.

    It's concerning the ADS serial interface that BMW use on the older ECU/cars.

    It is all in German but handy

    from rv8flyboy who can supply rs232->ADS interfaces
    Attached Files
     
     

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    #16
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    Quote Originally Posted by TheEnd View Post
    Just adding this document here, as it's the most relevant thread.

    It's concerning the ADS serial interface that BMW use on the older ECU/cars.

    It is all in German but handy

    from rv8flyboy who can supply rs232->ADS interfaces
    Thanks I actually got linked that by DavidMC just yesterday. I will this weekend attempt to get a PCIExpress RS232 card configured with the necessary IRQ and physical address setting that ADS interfaces seem to need to see.

    I don't know if one of the many adaptors languishing in my spare room is OBD1 capable, but I will try to find out if one rather compicated one (it has a GAL) is OBD1. Wore case I have found this but it's another £60 adaptor.

     
     

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    I've just bought one of them, so I should have the full suite of leads.
    I've already got an rs232 ediabas lead, a USB DCAN lead with the ethernet pin adaptor, and that rs232 ->ADS/OBD should replace the ediabas one.

    There's always going to be a bit of switching to be done,
    STD:ADS for old cars
    STD:OBD for most stuff past 1995-ish.
    and STD:OBD / USB Com port for DCAN, but even BMW need to swap between the yellow head and OPS so I can't really complain.
     
     

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    Quote Originally Posted by TheEnd View Post
    STD:ADS for old cars
    STD:OBD for most stuff past 1995-ish.
    What config do you use for your E36?

    How do you flip from OBD2 to E36 mode on an existing installation?
     
     

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    My E36 was hanging on everything, I think only the ABS would talk to it. Other similar E36s would scan through fine, so it's not solely down to the lead.

    I have it set up as STD:OBD, and generally it works fine with most 96 onwards cars, but pre-95 it varies.

    If you wanted to flip, you'd need to edit the .ini file, I think it was the obd.ini, but either way, you'll spot it in one of the files.
     
     

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    #20
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    Quote Originally Posted by TheEnd View Post
    My E36 was hanging on everything, I think only the ABS would talk to it. Other similar E36s would scan through fine, so it's not solely down to the lead.

    I have it set up as STD:OBD, and generally it works fine with most 96 onwards cars, but pre-95 it varies.

    If you wanted to flip, you'd need to edit the .ini file, I think it was the obd.ini, but either way, you'll spot it in one of the files.
    Just so that I understand, do you have to reinstall INPA framework to switch to the ADS interface?

    Or do you just edit the OBD.ini?
    Code:
    [OBD]
    Port=Com1
    Hardware=OBD  		//USB 
    RETRY=ON 
    //UBAT=OFF
     
     

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    Spirit (28-04-2011)

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