Method and apparatus for determining operation errors for a high pressure fuel pump
A control system and method for controlling pump includes a pump control module communicating a drive signal to the high pressure pump and a high pressure pump in communication with the pump control module operating in response to the drive signal. A current sampling module samples a pump current si...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
01.02.2011
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Subjects | |
Online Access | Get full text |
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Summary: | A control system and method for controlling pump includes a pump control module communicating a drive signal to the high pressure pump and a high pressure pump in communication with the pump control module operating in response to the drive signal. A current sampling module samples a pump current signal to form a sample prior to an end of the drive signal. A current comparison module compares the sample to a threshold that may be a function of pump solenoid resistance, pump solenoid temperature, and/or system voltage, and a fault indication module generates a fault signal in response to comparing. |
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Bibliography: | Application Number: US20090365552 |