Operation CHARM: Car repair manuals for everyone.

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:

1. Probable cause: A/C system is very low on refrigerant, indicating a possible leak

2. Do the refrigerant leak check, A/C Refrigerant Leak Test and repair any leaks. Replace the receiver/dryer, Service and Repair then recharge the system to specifications A/C System Charging

Also check for:

- HVAC DTCs How to Troubleshoot the Heating and A/C Systems
- If there is no leak and the refrigerant level is normal, do the A/C compressor clutch circuit troubleshooting, A/C Compressor Clutch Circuit Troubleshooting and look for an intermittent problem