Ignition Coil on Plug Diagnostics - Brake & Front End

Ignition Coil on Plug Diagnostics


  • Philip Austin, Manager of Technical Training USA/Canada, NGK Spark Plugs
  • Andrew Markel, Technical Director of Content, Babcox Media

Sponsored By NGK Spark Plugs

Date: March 22, 2023

Coil on Plug (COP) ignition systems are used in all modern engine designs. Understanding the various Coil on Plug types and how to troubleshoot the root cause of various COP engine management systems is important.

Attend this webinar to learn best practices for streamlining your Ignition Coil on Plug diagnostic process through “real-world” scan tool data and scope waveform patterns. Some of the topics covered will include:

  • Understanding the PCM logic in controlling various COP systems
  • The benefits of Primary Voltage Testing vs Primary Current Testing
  • A walkthrough of COP-related failures on domestic and import vehicles with case studies

This technical topic is geared for the average B+ technician and/or a refresher for the A technician. You’ll get the most from this class if you have prior understanding of basic scope patterns.

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