Hyundai Santa Fe: Cooling Fan. Description and Operation - Cooling System - Engine Mechanical SystemHyundai Santa Fe: Cooling Fan. Description and Operation

Description

Control the cooling motor voltage in according to the duty(300Hz) of ECM.
[ECU → PWM Input Signal(SI : 300Hz)]

SI Duty
 Motor Voltage (V)
 　
10%
 0
 ─
30%
 4.1
 ± 0.65
60%
 8.2
 ± 0.66
70%
 9.57
 ± 0.67
90%
 12.5
 ─

[Cooling Fan Operation Condition]
A/C Switch
 A/C Pressure (Kgf/cm² G)
 Vehicle Speed (Km/h)
 Coolant Temp (°C)
 Duty (%)
OFF
 ─
 V < 45
 98 above
 35
45 ≤ V < 80
 101 above
 40
80 ≤ V
 105 above
 80
ON
 A/C Pressure < 6
 ALL
 105 above
 90
6 ≤ A/C Pressure < 12
 V < 45
 82 above
 30
45 ≤ V < 80
 96 above
 40
80 ≤ V
 96 above
 60
12 ≤ A/C Pressure < 15.5
 V < 45
 101 above
 70
45 ≤ V < 80
 -30 above
 40
80 ≤ V
 82 above
 60
15.5 ≤ A/C Pressure
 V = 0
 -30 above
 60
0 < V
 -30 above
 90


Cooling Fan. Components and Components Location
Components 1. Upper air guard 2. PWM module 3. Cooling fan shroud 4. Fan motor 5. Cooling fan ...

Cooling Fan. Specifications
Specification Fuction Specification Maximum Drive Capability 250 W 21.0 + 10% A Input Signal Frequency 300 ± 5% Duty 10, 30 ~ 90 % Voltage level HI 0.7 V above LOW 0 ~ 1.9 V ...

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