With HVAC System - Electronic

^ If Heater/Vent/Air Conditioning (HVAC) Control Head and/or Programmer appear completely inoperative, refer to Air Conditioning System Check, and perform Chart #2 before proceeding. Chart #2 A/C Compressor Clutch Always Engaged
^ Refer to System Check, to determine normal operating conditions. Testing and Inspection
^ Refer to the Symptom Table for the appropriate diagnostic procedure(s). Symptom Table