A/C Cutoff System
WARNING: This page is about a different car, the 1995 Mazda B4000, 1995 Mazda B3000, and 1995 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
PCM cancels air conditioning operation momentarily immediately after starting engine, during wide open throttle or if engine overheats. No further information is available.