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How does OBDLink CI compare to ElmScan 5 USB?

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  • How does OBDLink CI compare to ElmScan 5 USB?

    Is there any real difference between this and the 5 usb, besides being able to upgrade the firmware instead of replacing a chip?

    Does it support just as many real-time parameters?

    Is it possible to power it from usb or to switch it on and off with a carputer, allowing it to be left plugged in without fear of power drain?

    Thanks,
    Kevin
    2003 Chevy S10
    Truckputer Progress:
    Planning.......[----------X] 100%
    Parts...........[---------X-] 99%
    Fabrication...[---------X-] 99%
    Upgrades.....[X----------] 1%

  • #2
    The one difference that I see...

    If you have an older vehicle you would need an ELM327 style interface as this does not appear to support all protocols

    Comment


    • #3
      Originally posted by smartass365 View Post
      Is there any real difference between this and the 5 usb, besides being able to upgrade the firmware instead of replacing a chip?
      Yes. It costs less, and provides a faster refresh rate on CAN, ISO, and KWP.

      Does it support just as many real-time parameters?
      Yes. The number of available real-time parameters is determined by the software front end.

      Is it possible to power it from usb or to switch it on and off with a carputer, allowing it to be left plugged in without fear of power drain?
      Unfortunately, not at this time. We are trying to figure out a way to shut down the microprocessor, and wake it up later based on a software command or an external interrupt. If we are successful, this feature will be available via a firmware upgrade.

      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.

      Comment


      • #4
        Originally posted by obdiinut View Post
        The one difference that I see...

        If you have an older vehicle you would need an ELM327 style interface as this does not appear to support all protocols
        This is not entirely accurate. Many older vehicles (going all the way back to 1994) used ISO9141-2. Starting in 1998, many vehicles started using Keyword Protocol 2000. Majority of all OBD-II compliant vehicles used one of these two protocols, with VPW (some GM cars) and PWM (some Fords and Mazdas) accounting for the remaining fraction of the vehicle fleet.

        All in all, OBDLink CI covers roughly 80% of the current OBD-II vehicle market, and this percentage will continue to grow as more CAN vehicles hit the road, and older vehicles are pulled out of service.

        On the marketing side, people who buy CI get a voucher that enables them to buy OBDLink for only $49.95.

        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.

        Comment


        • #5
          Am I reading this right? If I get an OBDLink CI or an ElmScan 5 I can't leave it plugged in to my car at all times or it will drain the battery? This doesn't seem very useful for a carpc then. Is there another model I should go with that won't have this issue.

          Thanks!

          Comment


          • #6
            Originally posted by jbolter View Post
            Am I reading this right? If I get an OBDLink CI or an ElmScan 5 I can't leave it plugged in to my car at all times or it will drain the battery? This doesn't seem very useful for a carpc then. Is there another model I should go with that won't have this issue.

            Thanks!
            There are tricks that people use, that generally involve using some sort of mechanical switch or powering the scan tool from the CarPC's power supply.

            We are working on adding a power save feature to OBDLink, specifically for the CarPC market. This feature will allow customers to leave the scan tool plugged in for extended periods of time. Unfortunately, it won't be available until next year.

            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.

            Comment


            • #7
              Originally posted by jbolter View Post
              Am I reading this right? If I get an OBDLink CI or an ElmScan 5 I can't leave it plugged in to my car at all times or it will drain the battery? This doesn't seem very useful for a carpc then. Is there another model I should go with that won't have this issue.

              Thanks!
              I'm not aware of any other model that you can do this with. The problem is that there is 12 volts present at the OBDII plug in your car. That is part of the standard, which did not anticipate people keeping their devices plugged in 24X7.

              You can either do surgery on your OBDII socket to insert a relay that cuts power when the ignition is off, or you can alter the cable to do the same thing. I'd go with the cable since it is cheaper to replace the cable than rewire the OBDII if something goes awry.
              Originally posted by ghettocruzer
              I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
              Want to:
              -Find out about the new iBug iPad install?
              -Find out about carPC's in just 5 minutes? View the Car PC 101 video

              Comment


              • #8
                Or you can do what I do, which is leave it plugged in all the time. Even when I don't drive my car for a whole weekend, I have yet to manage to run the battery down.

                Gary (-;
                OBDGPSLogger, for logging OBDII and/or GPS data
                OBDSim, an OBDII/ELM327 software simulator
                mp3car forums: obdgpslogger, obdsim

                Comment


                • #9
                  Originally posted by Bugbyte View Post
                  I'm not aware of any other model that you can do this with. The problem is that there is 12 volts present at the OBDII plug in your car. That is part of the standard, which did not anticipate people keeping their devices plugged in 24X7.

                  You can either do surgery on your OBDII socket to insert a relay that cuts power when the ignition is off, or you can alter the cable to do the same thing. I'd go with the cable since it is cheaper to replace the cable than rewire the OBDII if something goes awry.
                  seeing as how i dont have a deep cycle battery i will definitely try hacking my cable up to add a cutoff. is the wire i want going to be red do you know? just curious, ill find out when i test it of course.

                  Comment


                  • #10
                    Originally posted by chunkyks View Post
                    Or you can do what I do, which is leave it plugged in all the time. Even when I don't drive my car for a whole weekend, I have yet to manage to run the battery down.

                    Gary (-;
                    without knowing the adapter stays powered, mine has been the same way. i dont like it though, all these milliamps from all these devices start adding up. ill be installing a switch on my obd plug thats for sure.

                    Comment


                    • #11
                      Originally posted by trader007 View Post
                      without knowing the adapter stays powered, mine has been the same way. i dont like it though, all these milliamps from all these devices start adding up. ill be installing a switch on my obd plug thats for sure.
                      Sounds like a good idea.
                      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.

                      Comment


                      • #12
                        Originally posted by Bugbyte View Post
                        I'm not aware of any other model that you can do this with. The problem is that there is 12 volts present at the OBDII plug in your car. That is part of the standard, which did not anticipate people keeping their devices plugged in 24X7.
                        Bugbyte & others...

                        We actually have an optional mod that enables the interface to power down with any surgery so such a thing does exist. Since this area appears limited to the scantool.net products I will elaborate further in the general OBD II forum.

                        We do not offer this as a standard product yet but when someone requests it as an option we are able to provide this capability...

                        Thanks
                        Paul
                        OBDPros Scantool

                        Comment


                        • #13
                          oh man, i wish i new. i just bought an allinone from obdpros... works great by the way. i found out i need a maf sensor

                          Comment


                          • #14
                            Originally posted by trader007 View Post
                            oh man, i wish i new. i just bought an allinone from obdpros... works great by the way. i found out i need a maf sensor
                            PM me your info and we can swap it out with the mod if you like

                            Thanks
                            Paul
                            OBDPros Scantool

                            Comment


                            • #15
                              1. Your talking about a device that uses <9mA...thats less then 1/4 of what most radios draw in standby. I leave mine plugged in 24/7 and the car has sat for weeks with only <1v of battery drop.

                              2. Someone could easily do a run of these devices wired the correct way and there would be no need for relays and other hacks. Most obd chips run at 5v...and so does your usb bus. So producing units that turned off with your computer would actually be cheaper to make. Of course once you factor in the $40 or so markup these guys put on no guarantee you'll see it.
                              openMobile - An open source C# Front End (why choose openMobile?)
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