“ignition coil”简单造句，ignition coil造句子

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.

"When the engine is running, the ignition coil is repeatedly connected to and disconnected from the Battery. Every time the coil is connected, it becomes loaded with electrical energy."

Through the analysis of the wave of primary current and sub-voltage detected by oscillograph, the malfunction of ignition coil will be diagnosed.