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Home >> Mazda >> 2012 >> CX-7 s Touring, 2.3L Eng VIN L, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System 2.3L L3 With TC] >> No.23 A/C Does Not Work Sufficiently >> Notes

No.23 A/C Does Not Work Sufficiently: Notes

23 A/C DOES NOT WORK SUFFICIENTLY
DESCRIPTION 
  • A/C compressor magnetic clutch does not engage when A/C is turned on.
POSSIBLE CAUSE 
  • Improper refrigerant charging amount
  • Open A/C magnetic clutch
  • Open circuit between the A/C relay and the A/C magnetic clutch
  • Poor ground of A/C magnetic clutch
  • Refrigerant pressure sensor is stuck open
  • A/C relay is stuck open
  • Seized A/C compressor
  • Open circuit between the A/C switch and the PCM through both the refrigerant pressure sensor and the A/C amplifier