No.24 A/C Always On/A/C Compressor Runs Continuously: Notes

WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

A/C ALWAYS ON/A/C COMPRESSOR RUNS CONTINUOUSLY - DESCRIPTION AND POSSIBLE CAUSE

24	A/C always ON or A/C compressor runs continuously
DESCRIPTION	A/C compressor magnetic clutch does not disengage.
POSSIBLE CAUSE	Stuck engagement A/C relay is stuck closed. Short to GND between A/C switch and PCM Short to GND circuit between A/C relay and PCM A/C relay to magnetic clutch circuit shorts to battery power.