infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Radiator Cooling Fan Control Module|Description and Operation|Page 3636 > < Water Inlet and Thermostat Assembly|Page 3631
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Radiator Cooling Fan Control Module: Description and Operation

ENGINE OVER TEMPERATURE

Description

SYSTEM DESCRIPTION

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 3-step control [HIGH/LOW/OFF].

Cooling Fan Operation

Cooling Fan Relay Operation

COMPONENT DESCRIPTION

Radiator Cooling Fan Control Module|Description and Operation|Page 3636 > < Water Inlet and Thermostat Assembly|Page 3631