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Home >> Mazda >> 2014 >> CX-9 Touring, 3.7L Eng VIN A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine Controls >> No. 24 A/C Is Always On Or A/C Compressor Runs Continuously >> Notes

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

NO. 24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY REFERENCE CHART (MZI-3.7)

24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY.
DESCRIPTION 
  • A/C compressor magnetic clutch does not disengage.
POSSIBLE CAUSE 
  • PCM and instrument cluster DTC is stored.
  • Short to power supply in wiring harness between A/C relay and magnetic clutch
  • Magnetic clutch engagement is stuck.
  • A/C relay malfunction
  • Short to GND in wiring harness between A/C switch and PCM
  • Short to ground in wiring harness between front climate control unit terminal 2A and instrument cluster
  • Climate control unit malfunction
  • Instrument cluster malfunction