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Thread: OBDLink MX -- coming soon to MP3Car.com

  1. #41
    VENDOR - ScanTool Vitaliy's Avatar
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    Quote Originally Posted by obdelix View Post
    Here is the OBDwiz log: Attachment 66483

    The EngineCoolantTemp is available, but I need the oil temp.
    Can I connect to the car for read out measuring block groups? Over CAN or otherwise?
    Does your OBD port have CAN pins (6 & 14)?

    I'm curious, why isn't coolant temperature good enough for your purposes?

    Vitaliy
    — OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
    — Need to look up a diagnostic trouble code? Try the most up-to-date, free DTCsearch.com!

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  2. #42
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    Yes, the OBD port have the pins 6 and 14.
    I need the oil temperatur because my car doesnt display it.

    Is it possible to read out measuring block groups wit the OBDLink MX?

  3. #43
    VENDOR - ScanTool Vitaliy's Avatar
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    Quote Originally Posted by obdelix View Post
    Yes, the OBD port have the pins 6 and 14.
    I need the oil temperatur because my car doesnt display it.

    Is it possible to read out measuring block groups wit the OBDLink MX?
    I don't know. But you can monitor the CAN bus and see if the data is available.

    Vitaliy
    — OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
    — Need to look up a diagnostic trouble code? Try the most up-to-date, free DTCsearch.com!

    You cannot send me a private message using this forum. Use my email instead: vitaliy[@]scantool.net.

  4. #44
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    Monitoring the CAN bus will be wonderfull, how can i do it?

    I saw thats i was connected to my car over the ISO 9141-2 (5 baud init, 10.4 Kbaud) protocoll, can i monitor it too?

  5. #45
    Constant Bitrate cazzz's Avatar
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    What about boost pressure in a 2004 VW?

  6. #46
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    Quote Originally Posted by obdelix View Post
    Monitoring the CAN bus will be wonderfull, how can i do it?

    I saw thats i was connected to my car over the ISO 9141-2 (5 baud init, 10.4 Kbaud) protocoll, can i monitor it too?
    you can monitor with the ATMA command. Find out what that means by reading the protocol documents for the obdlink products. Or read the documents from your software vendor and see if your software has a monitor mode.
    Former author of LinuxICE, nghost, nobdy.
    Current author of Automotive Message Broker (AMB).
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  7. #47
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    Quote Originally Posted by cazzz View Post
    What about boost pressure in a 2004 VW?
    sometimes those codes are available over OBD-II (Boost pressure control is one of the standard ones IIRC). Otherwise, you are looking at figuring out if boost pressure is available over the CAN bus and what the message looks like.
    Former author of LinuxICE, nghost, nobdy.
    Current author of Automotive Message Broker (AMB).
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  8. #48
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    I've been testing out the obdlink mx with my new project (automotive message broker) and am noticing a speed difference between the mx and the OBDLink S. Using ECUSim with ISO 15765 I get about 20pids/second with the MX. With the OBDLink S I get about 30pids/second. I've tested using the recommended logitech bt dongle and some others and get the same results.

    Is it typical for the MX to underperform the S when doing OBD-II?

    I should note that there may be serious noise issues. There are at least 6-12 bluetooth devices in the area.
    Former author of LinuxICE, nghost, nobdy.
    Current author of Automotive Message Broker (AMB).
    Works on Tizen IVI. Does not represent anyone or anything but himself.

  9. #49
    Low Bitrate sinclairvital's Avatar
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    Quote Originally Posted by obdelix View Post
    Is it possible to connect with the 9141-2 protocol (auto-detected on my Seat Leon) to read the engine oil temperature?
    With the OBDWiz isn’t possible, can I using a terminal tool for these? (A connection using putty for read Data such as rpm and speed works fine)
    Is it also possible to use the KWP1281or KWP2000 protocol for read out measuring block groups?
    KWP2000 should be accessible with most standard OBD hardware. For KW1281 or TP2.0 (over CAN bus) you need something like the OBDKey or VCDS.

  10. #50
    VENDOR - ScanTool Vitaliy's Avatar
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    Quote Originally Posted by tripzero View Post
    I've been testing out the obdlink mx with my new project (automotive message broker) and am noticing a speed difference between the mx and the OBDLink S. Using ECUSim with ISO 15765 I get about 20pids/second with the MX. With the OBDLink S I get about 30pids/second. I've tested using the recommended logitech bt dongle and some others and get the same results.

    Is it typical for the MX to underperform the S when doing OBD-II?

    I should note that there may be serious noise issues. There are at least 6-12 bluetooth devices in the area.
    We clocked OBDLink S at over 120 PID/s with the ECUsim. MX performance varies depending on the Bluetooth modem on the host side, the best dongles we've tested get 60+ PID/s. It sounds like you've got a bottleneck somewhere.

    Vitaliy
    — OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
    — Need to look up a diagnostic trouble code? Try the most up-to-date, free DTCsearch.com!

    You cannot send me a private message using this forum. Use my email instead: vitaliy[@]scantool.net.

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