Silhouette V6-3.4L VIN E (1996)
A/C Signal: Testing and Inspection
HVAC Compressor Control Chart should be used for diagnosing the electrical portion of the A/C compressor clutch circuit.
A scan tool will be used in diagnosing the system. The scan tool has the ability to read the A/C request and refrigerant pressure inputs to the PCM. The
scan tool can display when the PCM has commanded the A/C clutch ON. The scan tool has the ability to override the A/C request signal and energize
the A/C control relay.