July 1:
So it begins. Don't worry, this is not in the correct legal jurisdiction!
A/C Request
The scan tool displays Yes or No. The A/C Request displays the state of the A/C request input circuit from the Heating, Ventilation, And Air Conditioning (HVAC) controls. The powertrain control module (PCM) uses the A/C request signal in order to determine whether the A/C compressor operation is being requested.