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

DESCRIPTION & POSSIBLE CAUSE

24	A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY
DESCRIPTION	A/C compressor magnetic clutch does not disengage.
POSSIBLE CAUSE	PCM, instrument cluster or climate control unit DTC is stored Short to power supply in wiring harness between A/C relay terminal D and magnetic clutch terminal A Magnetic clutch engagement is stuck Climate control unit malfunction (Climate control unit always transmits A/C request signal) A/C relay is stuck closed Short to ground in wiring harness between A/C relay terminal E and PCM terminal 2AF

CAUTION:

• Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.

RELATED PIDs DESCRIPTION

Monitor item (Definition)	Unit/Condition	Condition/Specification (Reference)
ACCS	OFF/ON	A/C relay is OFF: Off A/C relay is ON: On