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Cooling Fan Control

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. 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 " (VQ37VHR) or "COOLING FAN CONTROL: SYSTEM DIAGRAM " (VK56VD).

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