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System Description

SYSTEM DIAGRAM 

GNSDB129245Courtesy of NISSAN NORTH AMERICA, INC.

SYSTEM DESCRIPTION 

ECM controls cooling fan speed corresponding to vehicle speed, engine coolant temperature, refrigerant pressure, air conditioner ON signal. Then control system has 3-step control [HIGH/LOW/OFF].

Cooling Fan Operation 

GNSDB109074Courtesy of NISSAN NORTH AMERICA, INC.
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