Audio-Visual Resources:

• Slides:  61
• Video:  56 minutes

Approximate length: 8 hours

CAAT Seal or Certificate available upon following quality assurance standards

• Explain system function and operating characteristics: Theory of waste spark, with a comparison to HEI operation.
• Demonstrate how Hall Effect sensors work.
• Show how the module assembly works, and how to diagnosis its operation — includes a complete explanation of “soft shutdown” and EST functions.
• Examine the operation and diagnosis of coil packs, crankshaft sensors and camshaft sensors.
• Perform cylinder balance tests for diagnosis open and shorted plug wires, spark plug operation.
• Teach how to diagnose vehicles with no spark, using GM diagnostic charts.