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Scan Tester: Notes

WARNING: This page is about a different car, the 1995 Oldsmobile Aurora and 1995 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.

A variety of information is transmitted through Data Link Connector (DLC) terminal "E" or "M" depending on engine. This data is transmitted at a high frequency which requires a Tech 1 scan tester for interpretation. Several scan testers are available for diagnostic work. Scan testers other than Tech 1 scan tester will function and provide information for diagnostic work; however, some charts will specify a Tech 1 scan tester. Failure to use a Tech 1 scan tester, when specified, may result in incorrect diagnosis of a system.

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