Heating/Air Conditioning

• Component Location Index
• A/C Service Tips and Precautions
• A/C System Inspection
• A/C Refrigerant Oil Replacement
• A/C Line Replacement
• General Troubleshooting Information
  • How to Retrieve a DTC
• DTC Troubleshooting Index
• Symptom Troubleshooting Index
• System Description
  • Notes
  • HVAC Control Unit Inputs and Outputs
• Circuit Diagram
• DTC Troubleshooting
  • DTC 1: A Problem in the Air Mix Control Motor Circuit
  • DTC 2: A Problem in the Mode Control Motor Circuit
  • DTC 3: A Problem in the Blower Motor Circuit
  • DTC 4: A Problem in the Evaporator Temperature Sensor Circuit
• Recirculation Control Motor Circuit Troubleshooting
• HVAC Control Power and Ground Circuit Troubleshooting
• A/C Condenser Fan Circuit Troubleshooting
• Radiator and A/C Condenser Fan Common Circuit Troubleshooting
• A/C Compressor Clutch Circuit Troubleshooting
• A/C Pressure Switch Circuit Troubleshooting
• Evaporator Temperature Sensor Test
• HVAC Control Unit Removal/ Installation
• Blower/Evaporator Unit Removal/Installation
• Blower/Evaporator Unit Component Replacement
• Expansion Valve Replacement
• Heater Unit/Core Replacement
• A/C Compressor Replacement
• A/C Compressor Clutch Check
• A/C Compressor Clutch Overhaul
• A/C Compressor Thermal Protector Replacement
• A/C Compressor Relief Valve Replacement
• A/C Condenser Replacement
• Refrigerant Recovery
• System Evacuation
• System Charging
• Refrigerant Leak Check
  • Notes
  • Fluorescent Dye Usage Tips
• A/C System Noise Check
• A/C System Test
  • Performance Test
  • Pressure Test