Bosch Kts 301 Software Reviews

KTS300 Hammer 9288 Diagnostic Tester for 928, 964, 944, and 968 Complete KTS300 testers with Porsche or Universal software, with Porsche 19 way test lead, new NiCad battery pack and charger are often available. We now have the latest Software update for the SPi downloaded from the SP website. Output that is supplied by the ECU & displayed by, Bosch KTS, later Snap-on. If anybody local to us (PE301PH) has any issues with calibration, I'm abit of a. So choose an auto load tester that has Ah ratings on its scale as well, most.

Comic pdf download. These notes relate to the first generation of Porsche cars fitted with on board diagnostics. These officially started with the 1988 Model Year, and these FAQs end with the 1994 models. In 1988, Porsche introduced a fault diagnostic system for their models 928S4 and 944S. This system uses the fault diagnosis facility introduced by Bosch into the “LH Jetronic” and “Motronic” engine fuel and ignition control computers used on those vehicles. The 1987 MY 928 S4's were also wired for diagnostics, and it is possible to easily upgrade the ECUs to allow diagnosis. Contact JDSPorsche for further details.

Q: How do the on board diagnostics work? A: The various ECUs used in the cars can detect implausible signals from the various actuators and sensors in the car.

When it encounters such a situation, a fault code is stored in a memory chip in the ECU. The fault codes can be retrieved by the diagnostic tester. These systems were introduced in order to monitor emissions critical systems, in response to increasing environmental regulations. The diagnostic facility was also a great benefit to workshop personnel, face with increasingly complex electronic systems. So the “intelligence” lies in the ECUs in the vehicle, the diagnostic tester just retrieves that information. These stored fault codes are held in volatile memory in the ECUs are the information stored there is lost if the vehicle battery is disconnected for a few seconds.

Q: Anything else? It sounds as though the ECUs in these cars are rather clever A: The ECUs can also be programmed with a suitable tester. To test the various actuators and switches on the vehicle, under operator control. It is also possible to clear stored fault codes, reset the idle speed on some cars, and count knocks (detonation “pinking” knocks) while driving the car. Q: What would I need to read these codes? A: Here is a little history on Porsche Diagnostic testers, starting with the 9268.

The 9268 Diagnostic tester: This was the first Porsche Diagnostic tester, introduced for the 1988 model year. At that time, the only Porsche models equipped with on board diagnostics were the new 928S4 and the 944S. The tester was capable of reading stored fault codes, and also testing various actuators and switches on the vehicle, under operator control. It could also clear stored fault codes, reset the idle speed of the 928, and count knock (detonation “pinking” knocks) while driving the car. The operator interface was a four digit numerical display and two buttons.

When a fault code was displayed, it was necessary to look up the code in the manual. The factory workshop manuals for these cars give excellent fault finding checks for each of the fault code numbers. Q: This tester would do what I want, can I buy one? A: No, not a new one, they have long been superseded by more capable testers such as the KTS300 “Hammer”, and newer units. They rarely come onto the second hand market. Q: I didn't even know my car had a diagnostic socket, where is it?

A: For 1988 MY 928 cars, it is a 12 way rectangular connector located on the mounting plate that hold the LH and EZK ECUs, in the passenger side footwell. In the 1988 MY 944, it is mounted above the DME engine management ECU. 1987 928S4 was also fitted with this connector, but their LH and EZK ECUs weren't fitted with the software required for diagnosis. However, it is possible to easily upgrade the ECUs to allow diagnosis. Contact JDSPorsche for further details. For the 1989 and later 928 cars, the connector changed to a special (unique to Porsche) 19 way connector, which is located under the cover at the side of the passenger seat, between the seat and the door.

Q: What about the later cars, didn't they also have on board diagnosis? A: Yes, all the models introduced since 1988 have had diagnosis systems. So the 944S2, 944 Turbo, 968, and the 964 Carrera 2 and Carrera 4 (911s) also have diagnosis., using the same 19 way circular connector.

More details on these cars later. Q.and the later cars?

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A: When vehicle manufacturers started fitting on board diagnosis systems, they all had their own proprietary versions. There were some attempts at industry standards in the early 1990's, and by about 1995 most cars were then fitted with the OBDII system (On Board Diagnostic second version, which has become a mandatory industry standard). This document does not cover these later vehicles, for which generic fault code readers are readily available. Q: What about the “Check Engine” lamp on the dash of some cars, can't that be used to read fault codes?