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  • Land Rover Testbook / T4

    Hi,

    I'm looking for any information, schematics, software, hardware to do with Land Rover Testbook / T4 Diagnostics Systems. I am setting up a project to create an open-source (ie free!!!) alternative.

    Cheers,
    Chrisall.
    Alt4 - The Open Source Range Rover Diagnostics Project
    http://www.swiftcomm.co.uk/alt4/

  • #2
    Will keep my eye out but Testbook and Rovacom are gold dust and kept very close to LR chest. The Rovacom as you may know IS the alternative.
    Please keep me in the loop as I would love to help and test out on my RR.
    Seen both on Ebay but extremely expensive.
    Just thought!! My brother has an original Rovacom unit (sealed unit/all in one jobby). Can you extract all data from unit source.
    Carputer Progress: [----*------]

    Hardware: [---*-------]
    Softwarre: [------*----]
    Design: [Complete]
    Finance: [In Progress, multi items on Ebay]
    Fabbing: [Design complete, Assistance sought]



    My project page

    Comment


    • #3
      Yeah, I have looked at both the Rovacom & Autologic systems. I am aware that the Rovacom comes with all the pre-loaded software backed up on disc which I think would be worth a look at. I am starting a sourceforge project & will post details on all the forums I subscribe to as I would like to start gathering interested people together early in the new year.

      Cheers,
      Chrisall
      Alt4 - The Open Source Range Rover Diagnostics Project
      http://www.swiftcomm.co.uk/alt4/

      Comment


      • #4
        I all for this project. Please let me know if i can help in any way. I will also ask around and see what i can find.
        http://www.sounddomain.com/ride/856246

        Please visit my new site http://www.Gigabitcustoms.com

        My worklog http://www.mp3car.com/vbulletin/showthread.php?t=52720

        Comment


        • #5
          T4 Testbook software

          Hello,

          Has anybody any experience with this Russian site AutoCD which seems to sell the T4 Software and lots of other car and dealer related CD's ??

          Thanks for any feedback

          Andre

          Comment


          • #6
            http://www.scantool.net/forum/index....;threadid=1420

            Check out that thread. It is working on Bosch electronics which are what you will find in a Disco 2 anyway.

            I've been asking around on this same subject for a while now. Queried the guys on discoweb.org and received no useful information. Googled for hours.

            I think it can all be done, but we will need to sniff a rovacom or T4 connection to really figure things out. Personally, I'd be happy with just being able to pull codes from the SLABS and being able to reset/clear them.

            I'm a C++ programmer (nav systems though) and I have a friend who does micro-controller work. He is very good at sniffing serial protocols, and said he'd help me out if I ever got serious about this project.

            If you need a home for a project like this, let me know. I can probably setup some web space and a forum where we can discuss it on our rover clubs website.

            --Craig

            Comment


            • #7
              Sounds like you guys have the dreaded Disco II (3 Amigos) issue of ABS/HDC & TC warning lights flagged up by the Wabco (SLABS) ecu.

              I have tried for a long time to find an answer to the problem, all we need is an OBD reader that will interface eith the Land Rover system.

              Comment


              • #8
                We looked into this a while back, but decided that it was best to become a Rovacom dealer! The R&D work that they do is exceptional.

                The Rovacom Lite is quite competitive for the functionality it offers.

                Gareth
                UKOBD

                Comment


                • #9
                  I find it very hard to believe that the only diagnostic equipment for Land Rovers is either Test-Book, T4 or Rovacom.
                  I would have thought that one of the OBD II readers would have been able to interface; there definitely is a need for such equipment.
                  Currently the only other option is to ride around with the ABS warning lamp bulb removed from the instrument pack.

                  Comment


                  • #10
                    Testbook, T4, Rovacom

                    Hello all,
                    I am in Melbourne Australia.
                    I am also interested in any information about a home made remedy to accessing my P38 Rangies computers. Would appreciate anything whatsoever, including where to get the software (especially for the EAS - What a nightmare) etc etc.

                    Regards BarneyV

                    Comment


                    • #11
                      I met one guy who managed to tap directly into the bus going to the SLABS ECU. He was able to read codes and set them. He hasn't wrapped up the hardware or software enough to build a generic user interface on top of it though. His ultimate plans are to release it as open source software, although I don't know what his timeframe looks like.

                      I don't know anything more. He just dropped me a note because I was running a small project related to this for a while. I gave up and am buying a '65 Series IIa.

                      Comment


                      • #12
                        Did you get anywhere wit the T4 diagnostics?

                        Comment


                        • #13
                          Originally posted by syd View Post
                          I find it very hard to believe that the only diagnostic equipment for Land Rovers is either Test-Book, T4 or Rovacom.
                          I would have thought that one of the OBD II readers would have been able to interface; there definitely is a need for such equipment.
                          Currently the only other option is to ride around with the ABS warning lamp bulb removed from the instrument pack.
                          Why is it hard to believe? The Rovacomm light goes for about $1500 which given the limited market size is pretty reasonable. Granted, I'm to cheap to pay that much, but if I owned a shop I'd drop that amount in a heartbeat. Compared to rent, insurance, and payroll, it would be a drop in the bucket.

                          Comment


                          • #14
                            Originally posted by millec View Post
                            Why is it hard to believe? The Rovacomm light goes for about $1500 which given the limited market size is pretty reasonable. Granted, I'm to cheap to pay that much, but if I owned a shop I'd drop that amount in a heartbeat. Compared to rent, insurance, and payroll, it would be a drop in the bucket.
                            Rovacom Lite doesn't exist anymore - prices are very competitive now, take a look at our web-site for details: http://www.ukobd.co.uk/landrover.asp

                            Gareth
                            UKOBD

                            Comment


                            • #15
                              Your product is limited to a single vehicle and it is going for $1365.47 + shipping.

                              That is less reasonable than the Rovacomm Lite. At least with the other system I could use it to diagnose more than one Rover (mine or my club members).

                              Comment

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