Electrically heated particulate filter diagnostic systems and methods
First Claim
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1. A system comprising:
- a grid module that diagnoses a fault of a resistive grid that heats a particulate filter of an exhaust system of a vehicle based on a voltage signal of the resistive grid; and
a diagnostic module that at least one of sets a fault status and generates a warning signal based on the fault.
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Abstract
A system that diagnoses regeneration of an electrically heated particulate filter is provided. The system generally includes a grid module that diagnoses a fault of the grid based on at least one of a current signal and a voltage signal. A diagnostic module at least one of sets a fault status and generates a warning signal based on the fault of the grid.
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Citations
20 Claims
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1. A system comprising:
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a grid module that diagnoses a fault of a resistive grid that heats a particulate filter of an exhaust system of a vehicle based on a voltage signal of the resistive grid; and a diagnostic module that at least one of sets a fault status and generates a warning signal based on the fault. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 18, 19, 20)
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11. A method comprising:
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diagnosing a fault of a resistive grid that heats a particulate filter of an exhaust system of a vehicle based on a voltage signal of the resistive grid; setting a fault status based on the fault. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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Specification