Kia Optima: Troubleshooting - General Information - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2019 Service ManualKia Optima: 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. Power mosfet
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
2. A/C Fuse
3. Compressor
4. A/C pressure transducer
5. A/C switch
6. Evaporator temperature sensor
7. Wire harness
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
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
No engine idle-up when A/C switch ON
1. Engine ECM
2. Wire harness
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
2. Fan motor
3. Engine ECM
4. Wire harness


Specifications
Specification Air Conditioner Item Specification Compressor Type 6VSX16 (External variable displacement) Oil type & ...

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

See also:

Disassembly
Universal joint assembly 1. Loosen the bolt (A) and then disconnect the universal joint assembly from the steering column assembly. 2. Reassembly is the reverse of ...

Components and Components Location
Component Location 1. BCM 2. Ultrasonic sensor 3. Buzzer ※ Rear parking assist control unit function and buzzer are built in BCM (bod ...

Valve Body. Description and Operation
Description The valve body is essential to automatic transaxle control and consists of various valves used to control the oil feed from the oil pump. Specifically, these valves consist of pressur ...

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