Hyundai Santa Fe: Cooling Fan. Description and Operation - Cooling System - Engine Mechanical System - Hyundai Santa Fe DM 2013-2019 Service ManualHyundai 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


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