• A/C Service Tips and Precautions
  • A/C System Inspection
  • A/C Compressor Clutch Overhaul
  • A/C Compressor Clutch Circuit Troubleshooting
  • A/C Condenser Fan Circuit Troubleshooting
  • Radiator and A/C Condenser Fan Common Circuit Troubleshooting
  • Heating and A/C System Description
  • A/C condenser fan does not run at all (but radiator fan runs with the A/C on)
  • Both fans do not run with the A/C on (but the A/C compressor runs with the A/C on)
  • The A/C compressor clutch does not engage (but both fans run with the A/C on)
  • A/C system does not come on (both fans and the A/C compressor do not work); heater is OK
  • A/C Pressure Switch Circuit Troubleshooting
  • Refrigerant
  • Refrigerant oil
  • Compressor
  • Heating and A/C Component Location Index
  • Heating and A/C Circuit Diagram
  • Blower motor runs, but one or more speeds are inoperative
  • Blower motor does not run at all
  • Refrigerant
  • Refrigerant oil
  • Compressor
  • Heating System Description
  • Heating Component Location Index
  • Heating Circuit Diagram
  • Blower motor runs, but one or more speeds are inoperative
  • Blower motor does not run at all
  • Recirculation control doors do not change between Fresh and Recirculate
  • Heater Control do not work
  • Rear Window Defogger Component Location Index
  • Rear Window Defogger Circuit Diagram
  • A/C Pressure Switch Circuit Troubleshooting
  • Climate Control System Description
  • Climate Control Component Location Index
  • Climate Control Circuit Diagram
  • Recirculation control doors do not change between Fresh and Recirculate
  • Blower, heater controls, and A/C do not work
  • Both fans do not run with the A/C on (but the A/C compressor runs with the A/C on)
  • A/C condenser fan does not run at all (but radiator fan runs with the A/C on)
  • A/C compressor clutch does not engage (but both fans run with the A/C on)
  • A/C system does not come on (both fans and the A/C compressor do not work); heater is OK
  • Blower fan runs slower than expected in cold weather
  • HDS does not communicate with the climate control unit or the vehicle
  • Climate Control Power and Ground Circuit Troubleshooting
  • Recirculation Control Motor Circuit Troubleshooting
  • Heating and A/C Component Location Index
  • A/C condenser fan does not run at all (but radiator fan runs with the A/C on)
  • Both fans do not run with the A/C on (but the A/C compressor runs with the A/C on)
  • A/C compressor clutch does not engage (but both fans run with the A/C on)
  • A/C system does not come on (both fans and the A/C compressor do not work); heater is OK
  • A/C Pressure Switch Circuit Troubleshooting
  • Heating and A/C System Description
  • Heating and A/C Circuit Diagram
  • Recirculation control doors do not change between Fresh and Recirculate
  • Heater controls, and A/C do not work
  • Blower motor runs, but one or more speeds are inoperative
  • Blower motor does not run at all
  • HVAC Control Power and Ground Circuit Troubleshooting
  • Recirculation Control Motor Circuit Troubleshooting
  • Blower Motor Circuit Troubleshooting
  • Blower Motor Circuit Troubleshooting
  • Rear Window Defogger Component Location Index
  • Rear Window Defogger Circuit Diagram
  • Refrigerant
  • Refrigerant oil
  • Compressor
  • A/C Line Replacement
  • A/C Receiver/Dryer Desiccant Replacement
  • A/C Refrigerant Recovery
  • A/C System Evacuation
  • A/C System Charging
  • A/C Refrigerant Oil Replacement
  • A/C Compressor Replacement
  • A/C Compressor Relief Valve Replacement
  • A/C Condenser Replacement
  • Rear Window Defogger Wire Repair
  • A/C Compressor Thermal Protector Replacement
  • A/C Switch Replacement
  • A/C Evaporator Core Replacement
  • Heater Unit/Core Replacement
  • Heating and A/C Symptom Troubleshooting
  • Blower Unit Component Replacement
  • Heating Symptom Troubleshooting
  • Dust and Pollen Filter Replacement
  • Recirculation Control Motor Replacement
  • Blower Unit Component Replacement
  • A/C Evaporator Core Replacement
  • A/C Evaporator Expansion Valve Replacement
  • Climate Control Symptom Troubleshooting Index
  • Climate Control Unit Bulb Replacement
  • Humidity/In-car Temperature Sensor Replacement
  • Outside Air Temperature Sensor Replacement
  • Sunlight Sensor Replacement
  • Air Mix Control Motor Replacement
  • Mode Control Motor Replacement
  • Heater Unit/Core Replacement
  • Heating and A/C Symptom Troubleshooting Index
  • A/C Evaporator Expansion Valve Replacement
  • Dust and Pollen Filter Replacement
  • Heater Control Cable Removal/Installation
  • Heater Control Panel Removal/Installation
  • Blower Unit Removal/Installation
  • Blower Unit Removal/Installation
  • Climate Control Unit Removal/Installation
  • Heater Control Panel Removal/Installation
  • HVAC Control Unit Removal/Installation
  • A/C System Test
  • A/C Refrigerant Leak Test
  • A/C Compressor Clutch Check
  • A/C Evaporator Temperature Sensor Test
  • Rear Window Defogger Function Test
  • A/C Switch Test
  • Heater Fan Switch Test
  • Temperature Control Dial Test
  • Recirculation Control Motor Test
  • Humidity/In-car Temperature Sensor Test
  • Outside Air Temperature Sensor Test
  • Sunlight Sensor Test
  • Air Mix Control Motor Test
  • Mode Control Motor Test
  • Blower Power Transistor Test
  • Blower Resistor Test
  • Blower Resistor Test
  • Heater Control Panel Disassembly/Reassembly
  • Heater Control Panel Disassembly/Reassembly
  • Rear Window Defogger Switch Test/Replacement