Patent ID: 7642787
Filing Date: 2010-01-05
Classification: G01R,H02J,Y02T

Abstract:
1. An automotive vehicle electrical system diagnostic apparatus, comprising: a mount configured to temporarily mount the diagnostic apparatus to the vehicle; a first Kelvin connection configured to temporarily electrically couple to a first terminal of a battery of an automotive vehicle; a second Kelvin connection configured to temporarily electrically couple to electrical wiring of the automotive vehicle; digital sample circuitry coupled to the first and second Kelvin connections configured to provide a plurality of digital samples during operation of the vehicle which are related to a dynamic parameter of the battery measured with the first and second Kelvin connections; a memory configured to store the plurality of digital samples; and a processor configured to store the digital sample in the memory in response to detection of engine operation, the stored digital sample for subsequent use in diagnosing the vehicle electrical system.