841008929 - E5020 ENGINE COOLING DESCRIPTION

Description

The radiator and air conditioner condenser cooling system consists of an electric fan operated at two different speeds:

  • the first speed is activated at the first coolant temperature level (via a temperature sensor) or at a certain air conditioner coolant pressure (by means of a linear sensor);
  • the second speed is activate at a higher temperature or pressure. The fan is made to operate by a dedicated signal from the engine control unit.
The function controls the fan on the basis of coolant temperature and also upon a request from the climate control system.The cooling system is fitted with a low coolant level sensor. The signal from this sensor is displayed on the matrix display inside the instrument panel.The fan supply lines are protected by two fuses located in the engine bay junction unit.