Chapter 26.indd - Automotive Electronics Services

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368 Part III: Automotive Applications of Technology Service Information Service information from Toyota’s Technical Information System (TIS) is delivered to the scan tool using industry standard wireless network technology. Techstream will also notify the technician if a PCM update is available for the car being scanned. The technician is given the option of reading the technical service bulletin (TSB) that addresses the details of the PCM software update before updating the PCM’s software. The TIS Techstream integrates a robust OEM level scan tool, a service information system, and PCM reprogramming into one bay side tool! Currently this system is sold as a complete package for $7,995 and includes a two-year subscription to TIS with Techstream software updates and ECU Reprogramming Calibrations. Figure 26-13: Toyota’s TIS Techstream Courtesy of Toyota Motor Sales USA, Inc. and University of Toyota and additional padding. The backpack also holds the Vehicle Interface Module (VIM) and a charging module to provide power to the computer from the 12-volt source that is available from the OBD-II data link connector. The Docking Station When not in use, the computer/backpack unit is placed in the docking station to recharge. The backpack can also be locked to the docking station for security. Toyota TIS Website techinfo.toyota.com Toyota’s Techstream Lite In November 2009, Toyota became one of the first OEMs to use the J-2534 platform to support vehicle diagnostics (scan tool operations). The J-2534 platform was initially developed to support PCM reprogramming across all car lines using a single gateway device. To learn more about J-2534 reprogramming, see Chapter 27. The system, Techstream Lite, is an inexpensive alternative to the full Toyota Information System (TIS) Techstream diagnostic tester which does not use the © 2009 - All Rights Reserved | DLP Publishing | Grant Swaim
Chapter 26: PC-Based Diagnostic Equipment 369 J-2534 standard to communicate with the car. Techstream Lite provides factory level support for Toyota/Scion/Lexus vehicles with the following exceptions. • Techstream Lite supports OBD-II based diagnostic functions on 1996 and later vehicles, while the full TIS Techstream supports diagnostics from 1989 using two pre-OBD-II data link connectors • Techstream Lite provides support for new vehicles nine months after launch, while TIS Techstream supports new vehicles at launch Toyota offers Techstream Lite as a package consisting of the following components: • Mongoose MFC VIM - This is a 6-foot long innovative cable that includes an integrated J-2534 gateway (Figure 26-14.) The Mongoose cable was developed and is supplied by Drew Technologies. • 1 Year Pro Subscription to TIS - You must have an active professional level subscription to use the Techstream software. For each subscription you can use one installation of Techstream Lite on one computer. The professional TIS subscription includes access to the TIS Library (repair manuals, wiring diagrams, etc), Techstream Diagnostic Software, and ECU reprogramming calibration files. • IDENTIFIX Direct Hit - Access to the IDENTIFIX Direct Hit program for Toyota/Scion/Lexus models is Figure 26-14: Drew Technologies’ Mongoose Cable included. Based on information posted on Toyota’s website, as of May 2010, the price of this kit was $1,590. Toyota was offering the kit at an introductory price of $1,345; however, there was no indication about the length of this introductory offer. The Mongoose MFC cable can be purchased directly from Drew Technologies and other vendors, such as AES Wave. The Professional Subscription to TIS must be purchased directly from Toyota. In addition to performing scan tool diagnostics, Techstream Lite can be used for ECU reprogramming. Access to the reprogramming calibration files are included in the Professional TIS Subscription. The Techstream Lite diagnostic software is J-2534 compliant; however, Toyota is recommending it be used with the Mongoose MFC cable, since this is the only J2534 device that they have tested and will support. However, based on this statement taken from the Drew Technologies website, Techstream Lite Resource links, and other web enhanced features, are available at digitalliteracyproject.com/book.
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Chapter 26.indd - Automotive Electronics Services

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