Hyundai Genesis: Cooling System / Cooling Fan Description and Operation

Hyundai Genesis (DH) 2013-2016 Service Manual / Engine Mechanical System / Cooling System / Cooling Fan Description and Operation

Description

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
	15.5 (120.5) ? A/C Pressure	0 < V	- 30 (- 22) or above	90 or above

Cooling Fan Components and Components Location

Components 1. Cooling fan shroud2. Cooing fan3. Cooling fan motor4. Cooling far rear cover5. Cooling fan controller (PWM)6. Reservoir tank ...

Cooling Fan Specifications

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 ...

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