Diagnostic method for a sensor

Details Diagnostic method for a sensor Diagnostic method for a sensor

2006-08-22

2006-08-22

Benson, Walter (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of ground fault indication

C324S503000

Reexamination Certificate

active

07095238

ABSTRACT:
In a method for diagnosis of a sensor in a motor vehicle having an internal combustion engine, during operation of the motor vehicle, an output signal of the sensor is monitored for whether a maximum value of the output signal undershoots a first threshold value and/or a minimum value of the output signal overshoots a second threshold value. In that case a signal is forwarded to a controller that signals to the controller that the sensor, upon restarting of the motor vehicle, might be furnishing incorrect data.

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