A/C Cut-Out Control System: Operation
WARNING: This page is about a different car, the 1989 Mazda RX-7. However, it is still accessible from the selected car via links, so may be relevant.
The A/C clutch relay is opened (disengages A/C clutch), for 7 seconds during the following conditions: blower and A/C switch on, transmission in gear, clutch pedal released and throttle opened more than half way.