Unit 3951 Comprehensive Outline

1. Hybrid Vehicle Technology

1.1 Introduction to Hybrid Vehicles

• Definition and types (mild, full, plug-in hybrids)
• Benefits and challenges

1.2 Hybrid Drivetrains

• Parallel and series hybrid systems
• Power split devices
• Control strategies

1.3 Regenerative Braking

• Principles and operation
• Energy recovery and storage
• Impact on braking systems

1.4 Battery Technology

• Types of batteries used (NiMH, Li-ion)
• Battery management systems (BMS)
• Charging methods and safety considerations

1.5 Integration of Electric and Internal Combustion Engines (ICE)

• Power management and coordination
• Transition between power sources
• Emissions control

2. Engine Performance Tuning

2.1 Fundamentals of Engine Performance

• Key performance parameters (power, torque, efficiency)

2.2 Ignition Timing Adjustments

• Spark timing concepts
• Effects on power and emissions

2.3 Fuel Mapping

• Fuel injection calibration
• Air-fuel ratio optimization

2.4 Intake and Exhaust System Upgrades

• High-flow air filters and intake manifolds
• Performance exhaust headers and mufflers

2.5 Performance and Efficiency Trade-offs

3. Advanced Diagnostics and Troubleshooting

3.1 Diagnostic Tools and Equipment

• OBD-II scanners
• Oscilloscopes and multimeters

3.2 Electronic Control Systems

• Engine control units (ECU)
• Sensor types and functions

3.3 Communication Networks

• CAN bus architecture
• Diagnostic protocols

3.4 Troubleshooting Complex Issues

• Fault code interpretation
• Systematic diagnostic approach

4. Performance Upgrades and Modifications

4.1 Suspension Systems

• Upgrading springs, dampers, and anti-roll bars
• Effects on handling

4.2 Brake Systems

• High-performance brake pads and rotors
• Brake cooling techniques

4.3 Aerodynamics

• Spoilers, diffusers, and body kits
• Impact on stability and drag

4.4 Integration and Legal Considerations

5. Advanced Transmission Systems

5.1 Dual-Clutch Transmissions (DCT)

• Operating principles
• Advantages and challenges

5.2 Continuously Variable Transmissions (CVT)

• Design and function
• Performance characteristics

5.3 Automated Manual Transmissions (AMT)

• Mechanism and applications

5.4 Maintenance and Troubleshooting

6. Vehicle Dynamics and Handling

6.1 Fundamentals of Vehicle Dynamics

• Weight transfer
• Center of gravity

6.2 Suspension Geometry

• Camber, caster, toe
• Impact on handling

6.3 Tire Dynamics

• Grip, slip angle, and load sensitivity

6.4 Factors Affecting Handling and Stability

7. Advanced Electrical Systems

7.1 CAN Bus Systems

• Network structure
• Diagnostics and fault finding

7.2 Advanced Driver-Assistance Systems (ADAS)

• Components and functions
• Sensors and data integration

7.3 Hybrid/Electric Vehicle High-Voltage Systems

• Safety protocols
• High-voltage components

8. Alternative Fuel Technologies

8.1 Compressed Natural Gas (CNG) and Propane

• Properties and vehicle conversion

8.2 Hydrogen Fuel Cells

• Operating principles
• Infrastructure and challenges

8.3 Biofuels

• Types and production
• Environmental impact

8.4 Impact on Performance and Emissions