8 Diagnostic tester: This was the first Porsche Diagnostic tester, introduced for the 1. Q: What would I need to read these codes ? A: Here is a little history on Porsche Diagnostic testers, starting with the 9. It is also possible to clear stored fault codes, reset the idle speed on some cars, and count knocks (detonation. 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. 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. The diagnostic facility was also a great benefit to workshop personnel, face with increasingly complex electronic systems. These systems were introduced in order to monitor emissions critical systems, in response to increasing environmental regulations. The Money Market Hedge: How It Works Searching for an electronic component? Simultaneously query distributors, and returns the responses in real time.Īlternators and Starter Motors Soft cover, 104 Pages Part no: 1987722128 Automotive Lighting Technology, Windshield and Rear-Window Cleaning Soft cover, 72 Pages.
The fault codes can be retrieved by the diagnostic tester. When it encounters such a situation, a fault code is stored in a memory chip in the ECU. 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. S4's were also wired for diagnostics, and it is possible to easily upgrade the ECUs to allow diagnosis. This system uses the fault diagnosis facility introduced by Bosch into the. 8, Porsche introduced a fault diagnostic system for their models 9. Model Year, and these FAQs end with the 1. Porsche Diagnostics FAQThese notes relate to the first generation of Porsche cars fitted with on board diagnostics.
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