The electronic control unit allows current to flow through the ignition coil primary winding until it senses a triggering voltage pulse from the speed sensor, or pickup coil.
电子控制单元使电流通过初级绕组直到感知到一个从转速传感器或拾波线圈产生的触发电压脉冲。
2
Ln order to ensure the reliability of relay coil voltage, must reaeh value, the pulse width must be 3 times more time.