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日产风度A33乘用车发动机及排放控制系统的基本构成如图1所示,其EGR系统的废气再循环流量是由ECM通过步进电动机式EGR流量控制阀进行控制的。日产风度A33乘用车EGR流量控制系统的控制电路如图2所示。
Nissan demeanor The A33 passenger car engine and emission control system, the basic structure shown in Figure 1, the EGR system exhaust gas recirculation flow is controlled by the ECM stepper motor EGR flow control valve. Nissan demeanor A33 passenger car EGR flow control system control circuit shown in Figure 2.