**Ingredient 3: Ignition (updated) by Thomas Dougherty



Upon completion of this session, students will have an understanding of how a primary ignition signal is generated and be able to diagnose the lack of a primary ignition signal using a voltmeter and an oscilloscope. They will also understand how an ignition coil functions and be able to diagnose a failed ignition coil using an ohm meter and an ignition scope.

Lesson Time

Primary ignition
2 Hours
Secondary ignition
1 Hour

Industries / Subjects / Grades

Industries / Pathways
  • Transportation

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