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) 2018-2024 Service Manual: Roof Trim Assembly Repair procedures
Replacement
•
Put on gloves to prevent hand injuries.
•
Wh ...
Hyundai Kona (OS) 2018-2024 Service Manual: Battery Sensor Description and operation
Description
Vehicles have many control units that use more electricity. These units control
their own system based on information from diverse sensors. It is important
to have a stable power supply as there diverse sensors giving a variety of information.
Battery sensor is m ...