主要介绍步进电机式怠速控制装置的组成，步进电机式怠速控制阀的主要结构及步进电机式怠速控制装置的控制原理。
This paper describes the idle speed control stepper motor type composition, Stepper Motor Idle Control Valve on the main structure, Idle Speed Control Stepper Motor Control Principle of the device.
提出了快速而准确判定发动机是否处于怠速状态和怠速电磁阀是否正常工作的方法。
The ways are raised by which it will be fast and accurate to know if the engine is at idle state and if the idle air valve is working well.
在Haltech怠速电机是一个4线步进电机控制的空闲阀，此阀允许ecu的控制空气量走进闲置摄取多方面的。
The Haltech idle Speed motor is a 4 wire stepper motor controlled idle valve, this valve allows the ECU to control the volume of air entering the intake manifold at idle.
在Haltech怠速电机是一个4线步进电机控制的空闲阀，此阀允许ecu的控制空气量走进闲置摄取多方面的。
The Haltech idle Speed motor is a 4 wire stepper motor controlled idle valve, this valve allows the ECU to control the volume of air entering the intake manifold at idle.
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