312001075 - E5020 ENGINE COOLING - DESCRIPTION (Manual air conditioning, Automatic climate control)

DESCRIPTION

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

  • the first speed is activated at an initial engine coolant temperature level or a certain air conditioning refrigerant fluid pressure;
  • the second speed is engaged when a higher temperature or pressure is detected.
Operation of the fan at the two different speeds (low and high) is carried out by two specific relays located in the engine compartment junction unit.The fan supply lines are protected by two fuses located in the engine compartment junction unit.