Hyundai Genesis: Cooling System / Cooling Fan Description and Operation
The cooling fan controlsx the cooling fan motor voltage depending on the duty output from the ECU (Freq.: 300Hz).
[Signal from the ECU to the PWM (SI: 300Hz)]
SI Duty
| Motor Voltage (V)
| Variation (V)
|
10%
| 0
| ±0.5
|
30%
| 4.1
|
60%
| 8.2
|
70%
| 9.57
|
90%
| more than 12.5
| -
|
[Operating condition of the cooling fan]
A/C switch
| A/C pressure [kgf/cm? G (psi G)]
| Vehicle speed [km/h (mph)]
| Water Temperature [°C (°F)]
| Duty (%)
|
OFF
| ?
| V < 45 (28)
| 98 (208.4) or above
| 35 or above
|
45 (28) ? V < 80 (49.7)
| 101 (213.8) or above
| 40 or above
|
80 (49.7) ? V
| 105 (221) or above
| 80 or above
|
ON
| A/C pressure < 6 (85.3)
| All
| 105 (221) or above
| 90 or above
|
6 (85.3) ? A/C pressure < 12 (170.7)
| V < 45 (28)
| 82 (179.6) or above
| 30 or above
|
45 (28) ? V < 80 (49.7)
| 96 (204.8) or above
| 40 or above
|
80 (49.7) ? V
| 96 (204.8) or above
| 60 or above
|
12 (170.7) ? A/C pressure < 15.5 (120.5)
| V < 45 (28)
| 101 (213.8) or above
| 70 or above
|
45 (28) ? V < 80 (49.7)
| - 30 (- 22) or above
| 40 or above
|
80 (49.7) ? V
| 82 (179.6) or above
| 60 or above
|
15.5 (120.5) ? A/C Pressure
| V = 0
| - 30 (- 22) or above
| 70 or above
|
0 < V
| - 30 (- 22) or above
| 90 or above
|
Components
1. Cooling fan shroud2. Cooing fan3. Cooling fan motor4. Cooling far rear cover5. Cooling fan controller (PWM)6. Reservoir tank
...
Specifications
[Cooling fan control (PWM)]
ItemsPerformance specMAX, load current consumption (12V)23.3 + 10% AInputCommunication frequency300 ± 5%Duty10, 30 ~ 90 % Voltage levelHImore than 0.7 V ...
Other information:
Towing service
If emergency towing is necessary,
we recommend having it done by an
authorized HYUNDAI dealer or a
commercial tow-truck service.
Proper lifting and towing procedures
are necessary to prevent damage to
the vehicle. The use of wheel dollies
or flatbed is recommended.
...
Components
1. Shift lever knob2. Shift lever boots3. Shift lever assembly4. Shift cable
...