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How does the Focus electric fan module work?

1 Answers

LaArthur

07/29/25 2:28pm

Focus electric fan module working principle: The car electric fan is controlled by a thermostat. When the water temperature rises to the upper limit, the thermostat turns on the power supply, and the fan starts working; when the water temperature drops to the lower limit, the thermostat turns off the power supply, and the fan stops working. The following is about the car electric fan: 1. The high and low speeds of the fan are controlled by the thermal switch (F18), which has two gears and is installed on the radiator to detect the water temperature. 2. It sends the two-gear signal to J293, which then conducts different open circuits to control the high and low speeds of the electric fan. 3. When the air conditioning is turned on, both fans should rotate. However, it should be noted that the air conditioning and the electric fan are two relatively independent systems, controlled by two computers, named J301 (air conditioning) and J293 (electric fan). J301 only sends a signal to J293 to force the two electric fans to start.

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