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Dec 17, 2025 12:00 PM Eastern Time (US and Canada)
This course covers modern vehicle charging systems, which now feature electronic voltage regulation, networked communication, and intelligent sensors far beyond past alternator-and-regulator setups. These systems utilize pulse-width modulation and computer control—via the PCM or BCM—to adjust the output according to battery and vehicle demands, with CAN and LIN networks coordinating the components. Smart Alternator Management (SAM) and Intelligent Battery Sensors (IBS) improve efficiency by adjusting charging during acceleration and deceleration. Modern diagnostics require more than checking voltage and current; they also involve measuring voltage drops, analyzing oscilloscope waveforms, and verifying communication. Mechanical components, such as pulleys, tensioners, and belts, remain vital for ensuring reliable system performance.
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