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Curriculum
Module 21advanced

Network Fundamentals & CAN Bus

Understand why vehicle networks exist and how two-wire CAN communication, termination and differential signalling work.

Lessons

10

Estimated time

200 min

Completed

00/10

Start lesson 01

By the end of this module

Understand the electrical principles that make every CAN measurement meaningful.

Lessons

10 total

  1. 01Why Vehicles Use NetworksUnderstand the architectural reason for communication buses.20 min
  2. 02CAN Bus Physical LayerIdentify the physical CAN circuit on a diagram.20 min
  3. 03Dominant and Recessive StatesUnderstand what a CAN waveform represents rather than memorising shapes.20 min
  4. 04CAN TerminationExplain termination and interpret resistance only with correct topology/power state.20 min
  5. 05CAN Resistance TestingUse resistance as one network test, not a universal verdict.20 min
  6. 06CAN Voltage Testing With a MeterUse DMM voltage as a quick physical-layer check with proper limitations.20 min
  7. 07CAN Oscilloscope SetupCapture usable CAN H/L waveforms.20 min
  8. 08CAN Messages and IDs ConceptUnderstand that voltage waveform health and message content are different diagnostic layers.20 min
  9. 09Network DTCs and U-CodesInterpret communication codes without automatically replacing the named module.20 min
  10. 10CAN Fundamentals AssessmentDemonstrate foundational CAN reasoning.20 min