Troubleshooting |
Problem Symptoms Table |
Symptom |
Suspected 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 |
|
Vented air not cold |
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 |
Hyundai Kona (OS) 2018-2025 Service Manual: Blower Unit Components and components location
Component Location
1. Blower unit assembly
Components
1. Intake seal
2. Intake duct case
3. Intake actuator
4. Intake door
5. Intake lower case
6. Air filter
7. Air filter co ...
Hyundai Kona (OS) 2018-2025 Service Manual: Timing Chain Components and components location
Components
1. Timing
chain
2. Timing chain guide
3. Timing
chain arm
4. Timing chain auto tensioner
...