Master automotive ECM repair — from identifying components to full diagnostic workflows.77 hands-on lessons for technicians.
Practice testing ECM components with a virtual multimeter.
Browse and learn about every ECM component interactively.
Visualize signal paths from sensors through the ECU.
How engines work, what ECMs do, safety, and basic concepts
Identify, test, and replace all common ECM components
Master every multimeter function for ECM testing
Test and diagnose every engine sensor — the INPUTS
What the ECU controls — the OUTPUTS. Continuation from sensors.
Understand ECU families, internal circuits, and connector systems
Read waveforms, identify faults, and verify signals
SMD soldering, desoldering, signal tracing, and repair workflows
Real-world ECM repairs from start to finish