Coolant temperature too high (over 110°C), the warning light comes on while driving
Too little coolant in circulation system
The expansion tank must be filled above the mark «M1N». Check the cooling system for leaks
The thermostat does not open. Coolant circulates only in the small circuit
Check if the outlet is heating up (lower) hose radiator. If not, remove and check the thermostat. Replace if necessary.
Fan blower not working
Check that the fan plug and contacts are secure. If necessary, run an auxiliary wire from the battery to the fan. Attention! Risk of injury from rotating fan. Check thermal switch.
If all of the listed components are normal, then the radiator is clogged. It should be replaced.