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Home >> Infiniti >> 2004 >> FX45 AWD V8-4.5L (VK45DE) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Cooling System >> Radiator Cooling Fan Control Module >> Description and Operation
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Radiator Cooling Fan Control Module: Description and Operation

Cooling Fan Control

Cooling Fan Control:




The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, refrigerant pressure, and air conditioner ON signal. The control system has 2-step control [HIGH/OFF].

Cooling Fan Operation:




Cooling Fan Operation

Cooling Fan Relay Operation:




Cooling Fan Relay Operation

COMPONENT DESCRIPTION




The cooling fan at each speed when the current flows in the cooling fan motor as follows.
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