In this video I will show you how to troubleshoot a no start condition on a Honda. The problem with this car was a shorted ignition coil.

Engine Performance Diagnostics chapter 22

symptoms 50

  • no start (cranks normally)
  • no spark
  • good injector pulse and fuel pressure

fix 50

  • replace shorted ignition coil

test shown enh 50

  • how to use the key on engine off check engine light as a guide
  • how to test for spark
  • how to check for injector pulse with a basic test light
  • how to verify cam and crank sensor signals to the ECU

Tools used

  • lab scope
  • inductive low amp probe
  • incandescent test light
  • backprobing tools

end faq

Playlist

(Chapter 22) No Spark Troubleshooting, Ignition Coil & Module Testing

Related videos:

How to identify a shorted ignition coil (Honda C.O.P.):

How to test an ignition coil/module with a test light (distributor ignition) - GM:

Ford 5.4 shorted coil primary winding and bad computer driver:

How to find a shorted coil on a Ford 5.4 engine (misfire diagnosis):

end faq


For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available as an eBook or paper book.

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On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. What is so special about these classroom case studies? I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere!

 

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