LBT-514 Modern Charging Systems Diagnostics

Description

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.

Topics Covered:

• Flooded lead acid, spiral, AGM, Gel and lithium ion batteries

• Electrical power management

• Alternator design

• Stator & diodes

• Regulator control

• Ford-GM-Chrysler charging systems

• On-car testing procedures

Objectives:

• Identify automotive battery types

• Select correct charging rates for batteries

• Describe 16-volt Tesla battery design and operation

• Explain alternator three phase operation & rectification

• Explain load shed and battery saver modes

• Demonstrate bench & on car testing procedures

Runtime = 55 minutes
Credit Hours = 2.5