infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Seals and Gaskets, Cooling System > < Cooling System - Leaks/Overheating|Page 3382
Page 1
background image

Radiator Cooling Fan Control Module: Description and Operation

System Description

ENGINE OVER TEMPERATURE

Cooling Fan Control

Operation

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].

The ECM controls cooling fan relays through CAN communication line.

Seals and Gaskets, Cooling System > < Cooling System - Leaks/Overheating|Page 3382