A/C Clutch Circuit

System Diagnosis

The A/C Request Circuit Check located in Computers and Control Systems / System Diagnosis / Diagnostic Tables should be used for diagnosing the A/C request circuit only. Refer to Heating and Air Conditioning for diagnosing the refrigerant portion of the system.

Scan Tool Diagnosis

The scan tool will be used in diagnosing the system. The PCM has the ability to display the following parameters:

^ A/C request input to the PCM

^ A/C compressor status

^ A/C system pressure

^ A/C clutch ON or OFF status