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SYSTEM AND METHOD FOR CONTROLLING AN ENGINE COOLING FAN

  • US 20150176469A1
  • Filed: 12/23/2013
  • Published: 06/25/2015
  • Est. Priority Date: 12/23/2013
  • Status: Active Grant
First Claim
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1. A method of operating a cooling system for a vehicle engine, the cooling system including a motor operable to rotate a fan, the method comprising:

  • determining if a control signal has been received;

    operating the motor to rotate the fan at a first speed if the control signal has been received, the first speed based on the control signal; and

    operating the motor to rotate the fan at a second speed if the control signal has not been received.

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