Kia Cadenza YG: Heating,Ventilation, Air Conditioning / Troubleshooting

Kia Cadenza YG 2016-2021 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 relay
3. Blower motor
4. Power mosfet
5. Blower speed control switch
6. 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
2. Intake actuator
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

    Specification Air Conditioner ItemSpecificationCompressorType6VSX16Oil type & CapacityPAG OIL 100±10Pulley type6PK-TYPEDisplacement160cc/revCondenserHeat rejection14,400 ±5% kcal/hrA/C Pressure transducerThe method to measure the pressureVoltage= 0.

    Special Service Tools Tool (Number and name)IllustrationUse09977-3R000Disc & hub assembly bolt removerRemoval and installation of limiter assembly.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Repair procedures

    Removal 1. Remove the trunk trim in the trunk after removing the screws and clips. (Refer to Body - "Trunk") 2. Remove the camera holder (A) as shown arrow direction, and then remove the back view camera (B). Installation 1. Install the back view camera and camera holder.

    Kia Cadenza YG 2016-2021 Service Manual: Power Mosfet Repair procedures

    Inspection 1. Ignition "ON" 2. Manually operate the control switch and measure the voltage of blower motor. 3. Select the control switch to raise voltage until high speed. Specification FanMotor VoltageManualFirst speed3.8 ±0.5VSecond speed5.

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