Kia Optima Hybrid: Heating,Ventilation, Air Conditioning / Troubleshooting

Kia Optima Hybrid (TF HEV) 2016-2020 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.

Standard:

Symptom

Suspect Area

No blower operation

1)	Blower fuse

2)	Blower motor

3)	PWM Blower Module

4)	Blower speed control switch

5)	Wire harness

No air temperature control

1)	Engine coolant capacity

2)	Heater control assembly

No compressor operation

1)	Refrigerant capacity

A/C Fuse

3)	Compressor

4)	A/C pressure transducer

5)	A/C switch

6)	Evaporator temperature sensor

7)	Wire harness

8)	Cooling fan

9)	HEV system

A/C does not blow cold air

1)	Refrigerant capacity

2)	Refrigerant pressure

3)	Compressor

4)	A/C pressure transducer

5)	Evaporator temperature sensor.

6)	A/C switch.

7)	Heater control assembly

8)	Wire harness

Insufficient cooling

1)	Refrigerant capacity

2)	Compressor.

3)	Condenser.

4)	Expansion valve.

5)	Evaporator.

6)	Refrigerant lines

7)	A/C pressure transducer

8)	Heater control assembly

No air inlet control

1)	Heater control assembly

No mode control

1)	Heater control assembly

2)	Mode actuator

No cooling fan operation

1)	Cooling fan fuse

Fan motor

3)	Engine ECM

4)	Wire harness

Special Service Tools

Personal Protective Equipment NameIllustrationDescriptionInsulation gloveUsed when inspecting or working on the high voltage components[Insulation performance : 1000V / 300A or above]Insulation shoesUsed ...

Air Conditioning System

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Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Heater Unit Repair procedures

Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery/ recycling/ charging station. 1) Do not use the same A/C recovery / charging station as conventional belt-driven compressors. 2) Since the electric compressor uses high-voltage, you should ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Repair procedures

Removal Back View Camera 1. Disconnect the negative(-) battery terminal. 2. Open the trunk and remove the trunk door trim. (Refer to the BD group - "Trunk") 3. Disconnect the back view camera connector(A). 4. Pull down and remove the back view camera holder(A). 5. Remove the back view camera (A) after ...