2000 E46 318i OBD issue, please help

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  1. 2000 E46 318i OBD issue, please help 
    #1
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    Pesho_T's Car Details
    Model of Car:
    318i
    Year of Manufacture:
    2000
    Transmission Type:
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    Saloon

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    I bought an ELM327 of ebay and it arrived today. I was quite happy at first, until I actually tried it with the software it came with (and some software I had before).

    First of all as far as I know it has a 1.3 chip inside it, someone on another forum told me he has it working flawlessly. only difference is that his car was a 325 if i'm not mistaken.

    It tries to connect, it finds the ELM device, but when it tries to detect the protocols etc it fails. I manually set the devices and protocols and it passes through until it gets to the point where it says "Initializing OBD II" where it fails. Even if i tell it to bypass initialisation, it still fails :(

    I've tried fiddling with the device in device manager - baud rate and stuff but no result.

    Another thing that came to my mind - I'm not entirely sure if my car is OBD-II compatible. I have the usual socket under the dash and I cannot see the round 20pin under the bonnet anywhere. Does that mean it is OBD-II?

    Any other suggestions?

    Much appreciated
    Last edited by mark@vorny.co.uk; 15-11-2010 at 23:52.
     
     

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    #2
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    xXxStKxXx's Car Details
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    Your car isn't OBDII compatible I am afraid
     
     

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    Pesho_T (16-11-2010)

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    #3
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    TheEnd's Car Details
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    You will probably find the round 20 pin plug up on the driver's side, in the boxed cutout near the bulkhead.

    OBD2 wasn't officially supported until 2001, and before then it can be down to luck.
     
     

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    Pesho_T (16-11-2010)

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    #4
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    OK, thanks for your replies.

    So what can I do? I have seen 20pin to 16pin adapters but would that need a different USB?
    It says they're OBD -> OBD2 adapters but would they work with the ELM327 interface I have and the software?

    It's all a bit too misty for me and I quite doubt it to be honest...
     
     

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    Unfortunately not, the data stream is disabled so you'll never get the 2 to talk.

    You will find that it'll work on many others cars from 1996 onwards, all petrols from 2001 onwards, and all diesels from 2004 onwards.
     
     

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    Now here's an interesting point. BMW 18pin round port is ODB 1 (older cars) and the 20pin port is ODB 2. This was a proprietary connector until they changed to the standard 16 pin D connector commonly used in the market today.
     
     

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    #7
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    jayshenton's Car Details
    Model of Car:
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    I made the same mistake as you,same car same year-gave it my dad who's a mechanic now to use with an old laptop wiv a vag.com lead,hes very impressed with it!
    Someone who is an expert in this obd department-even if I buy the 18 pin convertor plug the elm327 obd2 will still not work?
    If not-what windows based software/Hardware do you suggest to buy what will work on my 2001 318ci?
     
     

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    #8
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    Pesho_T's Car Details
    Model of Car:
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    Year of Manufacture:
    2000
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    Saloon

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    I just checked again and again and there is no round connector in the engine bay.

    Jay - if you've got loads of cash to spare, Carsoft is good aparently, and the Peake R5 handheld scanner.

    P.S. mine is 07/2000, aparently they stopped doing the 20pin sockets after mid 2000.
    Last edited by Pesho_T; 16-11-2010 at 20:03.
     
     

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