Kia Cee'd: Heating,Ventilation, Air Conditioning / Troubleshooting

Kia Cee'd JD Service Manual / Heating,Ventilation, Air Conditioning / Troubleshooting

Troubleshooting

Problem Symptoms Table

Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor.

Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

After correcting the malfunction, check the complete system to ensure that performance is satisfactory.

Symptom	Suspect Area
No blower operation	1. Blower fuse
	2. Blower relay
	3. Blower motor
	4. Blower resistor, Power mosfet or PWM blower module
	5. Blower speed control switch or knob
	6. Wire harness
No air temperature control	1. Engine coolant capacity
	2. Heater control assembly
	3. Temperature control actuator or cable
No compressor operation	1. Refrigerant capacity
	2. A/C Fuse
	3. Compressor
	4. A/C pressure transducer
	5. A/C switch
	6. Evaporator temperature sensor
	7. Wire harness
	8. High CAN
No cool comes out	1. Refrigerant capacity
	2. Refrigerant pressure
	3. Drive belt
	4. Compressor
	5. A/C pressure transducer
	6. Evaporator temperature sensor
	7. A/C switch
	8. Heater control assembly
	9. Wire harness
	10. High CAN
	11. Temperature control actuator or cable
Insufficient cooling	1. Refrigerant capacity
	2. Drive belt
	3. Compressor
	4. Condenser
	5. Expansion valve
	6. Evaporator
	7. Refrigerant lines
	8. A/C pressure transducer
	9. Heater control assembly
	10. High CAN
No engine idle-up when A/C switch ON	1. Engine ECM
No engine idle-up when A/C switch ON	2. Wire harness
No air inlet control	1. Heater control assembly
No air inlet control	2. Intake actuator
No mode control	1. Heater control assembly
No mode control	2. Mode control actuator or cable
No cooling fan operation	1. Cooling fan fuse
	2. Fan motor
	3. Blower resistor, Power mosfet or PWM blower module
	4. Engine ECM
	5. Wire harness

Special service tools

Special Service Tools Tool (Number and name) Illustration Use 09977-3R000 Disc & hub assembly bolt remover ...

Air Conditioning System General safety information and caution

Instructions (R-134a) When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized fro ...

Other information:

Kia Cee'd JD Service Manual: Brake Booster Repair procedures
Brake Booster Operating Test For simple checking of the brake booster operation, carry out the following tests. 1. Run the engine for one or two minutes, and then stop it. If the pedal depresses fully the first time but gradually becomes higher when ...

Kia Cee'd JD Owners Manual: User Settings
In this mode there are 3 kinds of the submenu. WARNING Do not adjust the User Setting while driving. You may lose your steering control and cause severe personal injury or accidents. 1. Stop the vehicle with the ignition switch in the ON position or engine running. 2. Press the ▲ ...