July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Cooling Fan Control

Fig 1: Cooling Fan Control Sensor Specification

Courtesy of NISSAN MOTOR CO., U.S.A.

*: This signal is sent to ECM through CAN communication line.

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].