The A/C compressor clutch cycles rapidly on and off(Climate Control)
Diagnostic Procedure
Probable cause:
- A/C system is overcharged
- Radiator and/or A/C condenser fan inoperative
- Excessive pressure on high side of system causing pressure sensor to turn A/C compressor off
- Thermal protector problem
- Low idle speed
Also Check for
- Climate control DTCs - Refer to: How to Troubleshoot the Body ElectricalHow to Troubleshoot the Climate Control System