Electric Cooling Fans: Operation: Neon

Fans always operate when A/C compressor clutch is engaged (if equipped). In addition, fan is turned on in accordance with coolant temperature. Coolant temperature sensor sends a message to PCM.

PCM controls fan operation through the radiator fan relay. Fan should not operate during engine cranking. Fan should always operate when A/C clutch is engaged and engine is running.

With A/C off or on vehicles without A/C, fan will operate when vehicle speed is greater than 40 MPH and coolant temperature reaches 230°F (110°C). Fan will turn off when coolant temperature drops to 220°F (104°C). At speeds less than 40 MPH, fan will operate when coolant temperature reaches 215°F (102°C). Fan turns off at 200°F (93°C).

Fan will operate for 3 minutes when vehicle is stopped with engine idling, coolant temperature is 100-195°F (38-97°C) and ambient temperature is less than 60°F (16°C).