Kia Niro: Heating, Ventilation and 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 find the cause of the problem. The numbers indicate the priority of the likely causes of the problem. Check each part in order. If necessary, replace the relevant parts.

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

Standard:

Symptom
Suspected 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 level
2. Heater control assembly
No compressor operation
1. Refrigerant level
2. 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
Ventilated air not cold
1. Refrigerant level
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 level
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
2. Fan motor
3. Engine ECM
4. Wire harness

Specifications
Specification Air Conditioner Item Specification Compressor Type HES27 (Electric Scroll) Communicatio ...

Air Conditioning System
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Other information:

Kia Niro 2017 (DE HEV) Service Manual: Rear Transverse Trim Repair procedures
Replacement    Put on gloves to protect your hands.    • Use a plastic panel removal tool to remove interior trim pie ...

Peugeot 2008 2019-2021 Owner's Manual: Changing a wiper blade
Removing/refitting at the front Carry out these wiper blade replacement operations from the driver's side. Starting with the wiper blade farthest from you, hold each arm by the rigid section and raise it as far as possible. Do not touch the wiper blades - risk of irreversible distortion. ...

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