Automatic Temperature Control Heating, Ventilation, and Air Conditioning System

GENERAL A/C DIAGNOSTICS

Refer to Heating and Air Conditioning/Testing and Inspection/A/C System for details of the following procedures:
- A/C Performance Test.
- Insufficient Cooling "Quick Check" Procedure.
- Insufficient Cooling Diagnosis.
- Leak Testing the Refrigerant System
- Low-and High-Side Pressure Relationship Chart.
- Pressure Test Chart (R-134a System).
- Pressure-Temperature Relationship of R-134a.
- Testing the Refrigerant System.