The A/C compressor clutch cycles rapidly on and off (Without Climate Control)

The A/C compressor clutch cycles rapidly on and off

Diagnostic Procedure

Probable cause:

	A/C system is overcharged (Excessive pressure on high side of system causing pressure sensor to turn A/C compressor off)
	Radiator and/or A/C condenser fan inoperative
	Low idle speed
	Low refrigerant charge

Also Check for

	HVAC DTCs
	Faulty A/C pressure sensor