Radiator Cooling Fan Control Module: Description and Operation

COOLING FAN (OVERHEAT) (DTC: P1900)
Cooling Fan Control
The Engine Control Module (ECM) controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, and air conditioner ON signal. The control system has 3-step control [HIGH/LOW/OFF] on A/T models and 2-step control [HIGH/OFF] on M/T models.




For A/T Models




For M/T Models