Where is the Skoda Octavia electric fan controller located?

1 Answers
VonNolan
07/30/25 10:09am
Skoda Octavia does not have an electric fan controller. The cooling fan is an important component of the car engine's cooling system, primarily cooling the radiator and intercooler. The fan has only 4 wires: 2 power wires, 1 ground wire, and 1 main signal wire from the computer board to the fan. The high-speed rotation voltage is above 2.3V, while the normal voltage when the fan is not rotating is 0.3V. If this wire shows 0.3V, the fan is already damaged. Below is how the cooling fan works: 1. The radiator temperature sensor, which is actually a temperature control valve (not the water temperature gauge sensor), detects when the radiator temperature exceeds the threshold, causing the fan relay to engage; 2. The fan circuit is activated through the fan relay, starting the fan motor; 3. When the radiator temperature sensor detects that the radiator temperature is below the threshold, the fan relay disengages, and the fan motor stops working.
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