A/C Is Always On Or A/C Compressor Runs Continuously: Notes
A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY (VINs 7, L, M) DESCRIPTION AND POSSIBLE CAUSE
| Troubleshooting item |
A/C is always on or A/C compressor runs continuously |
| Description |
- A/C compressor magnetic clutch does not disengage.
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| Possible cause |
- PCM, body control module (BCM) or dash-electrical supply unit DTC is stored
- Short to power supply in magnetic clutch power supply circuit
- 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 A/C relay control circuit
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 Courtesy of MAZDA MOTORS CORP.
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