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Diagnostic Testing of Probe Cable Disclosure Number: IPCOM000061294D
Original Publication Date: 1986-Jul-01
Included in the Prior Art Database: 2005-Mar-09

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Ballou, R Boscove, J Greene, W Kurtz, H Langer, P McCoy, D Strunk, J [+details]


This article describes a technique to quickly and accurately test a probe cable and its supporting electronics. A probe cable is used to connect a diagnostic technician terminal to electrical/electronic components on a vehicle during the fault-isolation phase of a vehicle service procedure. When the probe has been connected, the terminal performs an exhaustive "black box" analysis of the connected component. If the probe cable has been damaged or the circuits in the terminal are faulty, erroneous readings from or commands to the component can lead to an incorrect repair action. Referring to the block diagram of the drawing, a connector is provided in the terminal into which the probe cable head is "parked" when not in use or whenever the technician wants to verify it.