Practice question

A diagnostic trouble code points to the ambient (outside) air temperature sensor on a bus automatic climate system. This sensor is used to:

  1. Help the controller decide compressor lockout in cold weather and adjust automatic strategy
  2. Set clutch air gap
  3. Measure refrigerant purity
  4. Meter refrigerant

Answer: A — Help the controller decide compressor lockout in cold weather and adjust automatic strategy

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