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DIAGNOSTIC DEVICE FOR TEMPERATURE SENSOR

  • US 20140185647A1
  • Filed: 12/04/2013
  • Published: 07/03/2014
  • Est. Priority Date: 12/28/2012
  • Status: Active Grant
First Claim
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1. A diagnostic device for a temperature sensor provided in a power transfer device that transfers drive power generated by a drive power source in a vehicle, the diagnostic device for a temperature sensor comprising:

  • a warm-up state determining unit to determine whether or not the drive power source is in a predetermined warm-up completion state; and

    a low temperature offset malfunction determining unit to determine a low temperature offset malfunction in the temperature sensor when the warm-up state determining unit determines that the warm-up completion state is established, and the detected value from the temperature sensor is lower than a predetermined low temperature threshold.

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