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This short course is designed to give automotive electricians an overview of basic and advanced techniques of using a digital oscilloscope for vehicle diagnosis.

Topics covered on this short course include:

  • Overview of available oscilloscopes
  • Basic adjustments and triggering to capture a pattern
  • Sample patterns: ECU input signals and output commands, and what to look for that’s either good or bad
  • Ignition patterns and how to get them: Secondary voltage, primary voltage and primary amperage patterns
  • Relative compression testing: Using DC motor CEMF characteristics, high amp pickups, and ignition triggering to diagnose low compression
  • Fuel pump testing: Using low amp probes to diagnose intermittent problems
  • Other applications: Pressure/vacuum transducers at fuel rail, intake or exhaust manifolds

Upon successful completion of this course you will receive a Unitec Certificate of Attendance.



Minimum Enrolment Number

6 students.

Maximum Enrolment Number

12 students.


$231.66 (including GST)


4 hours

Course Code



Week commencing01 October 2018
$231.666010TTECS087 07 October 2018
3 Oct 18 - 3 Oct 18: Workshop. Wednesday 08:30 - 13:00 Mt Albert (307-1033)