Diagnosing system for diagnosing control device of vehicle-mounted equipment
First Claim
1. A diagnosing system for diagnosing a control device of a vehicle-mounted equipment, comprising:
- a chip having an integrated circuit that stores a control program data for controlling the vehicle-mounted equipment;
a control program data storage zone that is arranged in the chip and stores the control program data for controlling the vehicle-mounted equipment;
a diagnosing data storage zone that is arranged in the chip and stores a diagnosing data that is equivalent to the control program data, the diagnosing data provided by subjecting the control program data to an offset addressing; and
a data abnormality diagnosing section that is arranged in the chip and detects an abnormality of the control program data by comparing the control program data with the diagnosing data.
2 Assignments
0 Petitions
Accused Products
Abstract
A diagnosing system for diagnosing a control device of a vehicle-mounted equipment is provided, which has a chip of integrated circuit that stores a control program data for controlling the vehicle-mounted equipment, a control program data storage zone arranged in the chip and storing the control program data for controlling the vehicle-mounted equipment, a diagnosing data storage zone arranged in the chip and storing a diagnosing data that is provided by modifying the control program data and a data abnormality diagnosing section that detects an abnormality of the control program data by comparing the control program data with the diagnosing data.
25 Citations
14 Claims
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1. A diagnosing system for diagnosing a control device of a vehicle-mounted equipment, comprising:
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a chip having an integrated circuit that stores a control program data for controlling the vehicle-mounted equipment; a control program data storage zone that is arranged in the chip and stores the control program data for controlling the vehicle-mounted equipment; a diagnosing data storage zone that is arranged in the chip and stores a diagnosing data that is equivalent to the control program data, the diagnosing data provided by subjecting the control program data to an offset addressing; and a data abnormality diagnosing section that is arranged in the chip and detects an abnormality of the control program data by comparing the control program data with the diagnosing data. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A diagnosing system for diagnosing a control device of a vehicle-mounted equipment, comprising:
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a chip having an integrated circuit that stores a control program data for controlling the vehicle-mounted equipment; a control program data storage zone that is arranged in the chip and stores the control program data for controlling the vehicle-mounted equipment; a diagnosing data storage zone that is arranged in the chip and stores a diagnosing data provided by subjecting the control program data to a bit flipping; and a data abnormality diagnosing section that is arranged in the chip and detects an abnormality of the control program data by comparing the control program data with the diagnosing data. - View Dependent Claims (8, 9)
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10. A diagnosing system for diagnosing a control device of a vehicle-mounted equipment, comprising:
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a chip having an integrated circuit that stores a control program data for controlling the vehicle-mounted equipment; a control program data storage zone that is arranged in the chip and stores the control program data for controlling the vehicle-mounted equipment; a diagnosing data storage zone that is arranged in the chip and stores a diagnosing data provided by subjecting the control program data to a function transformation; and a data abnormality diagnosing section that is arranged in the chip and detects an abnormality of the control program data by comparing the control program data with the diagnosing data. - View Dependent Claims (11, 12, 13, 14)
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Specification