Part 1 Principles: electronic principles; semiconductors and diodes; transistors; digital principles; sensors; actuators; electronic control unit (ECU); Part 2 Applications: batteries; vehicle circuits and systems; generation of electrical energy; combustion and ignition; engine fuelling; engine management; starting-motor systems; vehicle-lighting systems; instrumentation; screen and window systems; signalling equipment; heating, ventilating and engine cooling; door locking and vehicle security; road-wheel control systems; supplemental restraint systems; in-car entertainment and communication equipment; other electronic applications.