Automotive vehicle electrical system diagnostic device
First Claim
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1. An automotive vehicle electrical system diagnostic apparatus for diagnosing operation of an electrical system of the vehicle, comprising:
- a first electrical terminal configured to electrically couple to the electrical system of the automotive vehicle configured to receive an electrical system signal;
at least one input channel configured to couple to the electrical system of the vehicle, and receive a first electrical signal;
digital sample circuitry coupled to the first electrical terminal, the digital sample circuitry configured to provide a plurality of digital samples during operation of the vehicle which are related to the electrical system signal; and
a memory configured to store the plurality of digital samples, wherein the digital samples are stored in the memory in response to the first electrical signal.
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Abstract
An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation of the vehicle which are related to the system. The digital samples are stored in memory.
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Citations
47 Claims
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1. An automotive vehicle electrical system diagnostic apparatus for diagnosing operation of an electrical system of the vehicle, comprising:
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a first electrical terminal configured to electrically couple to the electrical system of the automotive vehicle configured to receive an electrical system signal; at least one input channel configured to couple to the electrical system of the vehicle, and receive a first electrical signal; digital sample circuitry coupled to the first electrical terminal, the digital sample circuitry configured to provide a plurality of digital samples during operation of the vehicle which are related to the electrical system signal; and a memory configured to store the plurality of digital samples, wherein the digital samples are stored in the memory in response to the first electrical signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 47)
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24. A method of diagnosing an automotive vehicle electrical system, comprising:
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electrically coupling the electrical system of the vehicle and receiving an electrical system signal; coupling a first input channel to the vehicle electrical system and receiving a first electrical signal; digitally sampling the electrical system signal; and storing in a memory digital samples of the electrical system signal in response to a trigger received by the first input channel. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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Specification