Cooling Fan Control
WARNING: This page is about a different car, the 2011 Nissan Juke. However, it is still accessible from the selected car via links, so may be relevant.
IPDM E/R outputs pulse duty signal (PWM signal) to the cooling fan control module according to the status of the cooling fan speed request signal received from ECM via CAN communication. Refer to "COOLING FAN CONTROL : SYSTEM DIAGRAM ".
CAUTION:
After ignition switch OFF, IPDM E/R turn the cooling fan relay ON and outputs pulse duty signal (PWM signal) to the cooling fan control module according to the request signal from ECM for cooling the engine according to the situation.