What is the reason for the Mercedes-Benz C200 fan not rotating?
1 Answers
The fault is most likely due to a problem with the fan module, or there may be no signal input at all. Mercedes-Benz C200 fan: The fan of the Mercedes-Benz C200 is equipped with a fan control module, two thick main wires and one thin wire, one for signal input and the other for signal output. If there is a signal input to the fan module, the fan should rotate. The speed of the fan is directly related to the size of the signal input. Working principle: The car's electric fan is controlled by the engine coolant temperature switch to operate, usually with two speed levels: 90 degrees Celsius for low speed and 95 degrees Celsius for high speed. Additionally, turning on the air conditioning will also control the operation of the electric fan (controlled by condenser temperature and refrigerant pressure).