This workshop is designed with a combination of classroom and hands-on education to enhance the professional level technician’s knowledge of modern ignition system diagnostics. P0300 misfire DTC diagnostic strategies are covered using modern scan tools and ignition system testing equipment. Technicians use digital storage oscilloscopes (DSOs), current probes, inductive wands and voltage leads to test modern ignition system components ranging from crankshaft and camshaft position sensors to today’s COP (Coil on Plug) assemblies. Today’s vehicle operational strategies are reviewed pertaining to OBD II Misfire Monitoring.
After completing this workshop, the student will have the knowledge to:
Accurately test crankshaft position and camshaft position sensors
Distinguish the difference between testing procedures for conventional ignition coils and ‘smart coil’ assemblies
Interpret ignition component waveforms captured from a DSO (Digital Storage Oscilloscope)
Recognize different manufacturers’ operational strategy during misfire conditions
Understand fuel trim corrections during ignition misfire conditions
Identify PCM strategies that prevent catalytic converter damage due to Type A misfires
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