Hyundai Santa Fe (TM): Troubleshooting - Heating,Ventilation And Air ConditioningHyundai Santa Fe (TM): 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
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. Clutch limiter
4. Compressor
5. A/C pressure transducer
6. A/C switch
7. Evaporator temperature sensor
8. Wire harness
Vented air not cold
1. Refrigerant capacity
2. Refrigerant pressure
3. Drive belt
4. Clutch limiter
5. Compressor
6. A/C pressure transducer
7. Evaporator temperature sensor
8. A/C switch
9. Heater control assembly
10. Wire harness
Insufficient cooling
1. Refrigerant capacity
2. Drive belt
3. Clutch limiter
4. Compressor
5. Condenser
6. Expansion valve
7. Evaporator
8. Refrigerant lines
9. A/C pressure transducer
10. 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 7HVe17 Oil type & Capacity Single (Front only) FD46XG(IDMITSU) 100± 10cc (3.2 ± 0.3oz.) Dual (Front & Rear) FD46XG(IDMITSU) 190 ...

See also:

Four wheel drive (4WD)
Four Wheel Drive (4WD) delivers engine power to front and rear wheels for maximum traction. 4WD is useful when extra traction is required, such as when driving on, muddy, wet, or snow-covered roads. WARNING ...

Rear Door Module. Repair procedures
Replacement 1. Remove the rear door window glass. 2. Remove the rear door outside handle. 3. Disconnect the rear door main connector (A). 4. Loosen the rear door outside handle base mounting bolt (A). ...

Power Window Switch. Repair procedures
Diagnosis With GDS 1. The BCM can be diagnosed by using the GDS. The BCM communicates with the GDS which then displays inputs and outputs along with codes. It will be able to diagnose defects of power ...