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OUTSIDE AIR TEMPERATURE SENSOR DIAGNOSTIC SYSTEMS FOR A VEHICLE

  • US 20120051388A1
  • Filed: 10/13/2010
  • Published: 03/01/2012
  • Est. Priority Date: 08/27/2010
  • Status: Active Grant
First Claim
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1. An outside air temperature (OAT) diagnostic system comprising:

  • an ambient temperature monitoring module that receives (i) an OAT signal from an OAT sensor and (ii) an intake air temperature (IAT) signal from an IAT sensor of an engine,wherein the ambient temperature monitoring module compares the OAT signal to an IAT signal and generates a first difference signal; and

    a performance reporting module that determines whether the OAT sensor is exhibiting a fault and generates an OAT performance signal based on the first difference signal.

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