СИСТЕМА СНИЖЕНИЯ ТОКСИЧНОСТИ ОТРАБОТАВШИХ ГАЗОВ


  1. FUNCTION OF MAIN COMPONENTS


    1. The main components of the emission control system are as follows:

      Component Function
      ECM Controls the emission control system based on signals from each sensor.
      Electric EGR Control Valve Assembly Actuated by the ECM, this valve controls the flow rate of EGR gas.
      EGR Valve Position Sensor (Built into Electric EGR Control Valve Assembly) Detects the EGR valve position.
      Diesel Throttle Valve Actuated by the ECM, this valve controls the flow rate of intake air.
      EGR Cooler* Cools EGR gas.
      No. 2 EGR Valve Assembly* Switches the flow passage of EGR gas in 2 stages.

      *: Models with EGR cooler

  2. FUNCTION


    1. The main function of the emission control system is as follow:

      Function Outline
      EGR Control This system is designed to help reduce and control NOx formation due to a reduction of peak temperature in the engine combustion chamber, which is accomplished by the introduction of an amount of inert gas into the intake manifold.