Is this what I'm looking for for my gen 1?: Description: Features Support Toyota TIS OEM diagnostic software Cost-effective, the price of product is only one-third of similar foreign products. High performance with ARM cpu inside. High reliability of products using SMD chip, and certified by CE and FCC. Support all the diagnostic communication protocols needed for Toyota (since 1996). Upgrade the firmware via the Internet to improve product. not only provides commonly used J1962 connector, but also provides the old 22pin connector for Toyota. Using online feedback function for technical support. Supported Protocols K-Line ISO 9141 KWP 2000 ISO 14230-4 SAE J1850 PWM SAE J1850 VPW CAN 2.0B ISO 11898 CAN ISO 15765-4 Thanks
Here is the rest of what is included: Package Included: 1 x Mini VCI 16 Pin Cable 1 x Software and Drivers CD
It seems like the MiniVCI's sold on ebay are the cheapest option for a powerful diagnostic tool for the Prius, with the disadvantages being that the software is probably pirated, and only runs on XP. I seem to have found sellers that claim to have version 10 software that will run on Windows 7 and 8. Anybody have any experience with these? EDIT: further research suggests that even version 10 still only supports XP 32-bit.
Roy from Canada here - I have an old xp computer that I have set up with techstream - I had trouble trying to install the software unless your windows xP computer has to have SP2 or higher upgrade for the software to work. I also have a computer with windows 7 installed - I purchased the newest version of techstream (version 10) and found it installed OK but you have to follow the supplied instructions for modifing techstream files very closely - if you are a good computer wizard it may be simple - for me it was hard and I had to redo the process many times. Their are 2 versions of cables available, the original version 1 was good for the older cars, the newer version 2 covers all newer cars plus the old ones. If you have a windows 7 computer buy the software for version 10 with the cable version 2. Best of luck