Heating, Ventilation, and Air Conditioning

~2min read
1special tools

Special Service Tools

Special Service Tools

Tool (Number and Name) Illustration Use
09977-3R000
Wheel Hub & Bolt Puller Assembly
Removal and Installation of Wheel Hub & Bearing Assembly.

Troubleshooting

Troubleshooting

Symptom Table

Before replacing or repairing air conditioning components, first determine whether the problem is due to lack of refrigerant, airflow, or the compressor.

Use the following table to find the cause of the problem. The numbers indicate the order of probable cause. Check each part in order. Replace parts as necessary.

After repairing the malfunction, check the entire system to make sure it operates satisfactorily.

Standard:

Symptom Suspected Area
No Fan Operation 1. Blower Fuse
2. Blower Relay
3. Blower Motor
4. Power MOSFET
5. Blower Speed Switch
6. Wiring Harness
No Air Temperature Control 1. Engine Coolant Reservoir
2. Heater Control Unit
3. Temperature Control Actuator
Compressor Does Not Operate 1. Cooling Capacity
2. A/C Fuse
3. Pulley Limiter Assembly
4. Compressor
5. A/C Pressure Sensor
6. A/C Switch
7. Evaporator Temperature Sensor
8. Wiring Harness
Vent Air Not Cold 1. Cooling Capacity
2. Refrigerant Pressure
3. Drive Belt
4. Pulley Limiter Assembly
5. Compressor
6. A/C Pressure Sensor
7. Evaporator Temperature Sensor
8. A/C Switch
9. Heater Control Unit
10. Wire Harness
Insufficient Cooling 1. Cooling Capacity
2. Drive Belt
3. Pulley Limiter Assembly
4. Compressor
5. Condenser
6. Expansion Valve
7. Evaporator
8. Refrigerant Lines
9. A/C Pressure Sensor
10. Heater Control Unit
Engine Does Not Idle Well with A/C On 1. Engine ECM
2. Wiring Harness
No Air Flow Control 1. Heater Control Unit
No Mode Control 1. Heater Control Unit
2. Mode Actuator
Cooling Fan Does Not Operate 1. Cooling Fan Fuse
2. Blower Motor
3. Engine ECM
4. Wiring Harness

Test yourself

A quick Kia Stinger CK quiz: every answer comes with an explanation and a link to the manual page.