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Diagnostic Function For Brushless Blower Motor

  • US 20160368346A1
  • Filed: 06/14/2016
  • Published: 12/22/2016
  • Est. Priority Date: 06/18/2015
  • Status: Active Grant
First Claim
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1. A method for monitoring the performance of a motor for a blower unit positioned in a vehicle, the method comprising:

  • sensing one or more physical parameters of the motor by way of one or more sensors located at the motor;

    diagnosing, by a blower motor control module, the motor based on predefined criteria and the one or more physical parameters sensed by the sensors;

    identifying, by the blower motor control module, a performance mode from among a plurality of modes based on the diagnosis, wherein the plurality of modes are predefined and stored in the blower motor control module;

    determining, by the blower motor control module, a mode message based on a signal code protocol, wherein the mode message is indicative of the performance mode identified and the signal code protocol associates each of the plurality of modes with a different coded signal; and

    outputting, by the blower motor control module, a diagnostic signal that includes the mode message to a climate control module located in the vehicle separate from the motor.

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