reducing a rate of change of {HEAD ~ the diagnostic signal} in {TAIL ~ accord} with a time constant, and wherein the comparing step compares the diagnostic signal having a reduced rate of change to the reference signal to protect against misdiagnosis of a sensor fault condition 
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reducing a rate of change of { HEAD ~ the diagnostic signal } in { TAIL ~ accord } with a time constant , and wherein the comparing step compares the diagnostic signal having a reduced rate of change to the reference signal to protect against misdiagnosis of a sensor fault condition
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH