Hybrid Battery, Inverter, and Energy Management

01 HB01 - Hybrid/EV Energy Management Mindset and Safety Boundaries

• HB01-L01 – Hybrid System Overview, Energy Flow, and Diagnostic Mindset
• HB01-L02 – High-Voltage Safety, PPE, Isolation, and Stop-Work Rules
• HB01-L03 – Intake Workflow: Warning Lamps, Customer Complaint, SOC, Ready Mode, and First Scan

02 HB02 - Hybrid Battery Fundamentals: Chemistry, Modules, Packs, and SOC/SOH

• HB02-L01 – Hybrid Battery Pack Architecture, Modules, Cells, Bus Bars, and Cooling
• HB02-L02 – SOC, SOH, Internal Resistance, Capacity, and Voltage Imbalance
• HB02-L03 – NiMH vs Lithium-Ion Hybrid Battery Differences and Failure Patterns

03 HB03 - Scan Tool Workflow, Codes, Freeze Frame, and Live Data

• HB03-L01 – Generic vs Enhanced Hybrid Data and Manufacturer-Specific Access
• HB03-L02 – Hybrid Battery Live Data: Block Voltage, Delta SOC, Current, Temperature, Fan Command
• HB03-L03 – Freeze Frame, History Codes, Permanent Codes, and Hybrid Control Strategy

04 HB04 - 12V Battery, DC/DC Converter, and Ready-Mode Dependencies

• HB04-L01 – Why 12V Problems Create Hybrid Warning Lamps and No-Ready Complaints
• HB04-L02 – DC/DC Converter Operation, Charging Voltage, Load Response, and Failure Clues
• HB04-L03 – 12V Support, Voltage Drop, Grounds, Sleep Mode, and False HV Faults

05 HB05 - HV Battery Cooling, Fan, Ducts, Sensors, and Thermal Strategy

• HB05-L01 – Battery Cooling Fan, Ducts, Filters, Cabin Air Path, and Service Neglect
• HB05-L02 – Temperature Sensors, Thermal Imbalance, Derate, and Hot-Weather Failure Patterns
• HB05-L03 – Cooling System Cleaning, Fan Command Testing, and Post-Service Verification

06 HB06 - Battery Degradation, Module Imbalance, Reconditioning, and Replacement Decisions

• HB06-L01 – Weak Module Patterns, Voltage Sag, Current Load, and Delta Block Diagnosis
• HB06-L02 – Reconditioning Claims, Balancing Limits, Warranty Risk, and Ethical Recommendations
• HB06-L03 – Repair, Replace, Remanufacture, New Pack, or Escalate Decision Logic

07 HB07 - Inverter Fundamentals, MG1/MG2, Power Electronics, and Cooling

• HB07-L01 – Inverter Purpose, MG1/MG2, DC-AC Conversion, Boost Converter, and System Role
• HB07-L02 – Inverter Cooling Pump, Coolant Loop, Temperature Sensors, and Overheat Codes
• HB07-L03 – Power Electronics Fault Clues, Warning Lamps, Limp Mode, and Escalation Boundaries

08 HB08 - Motor Generators, Resolver Signals, Isolation Faults, and Transaxle Clues

• HB08-L01 – Motor Generator Operation, Regeneration, Launch Assist, and Engine Start Function
• HB08-L02 – Resolver, Position Feedback, Phase Cables, and Transaxle Diagnostic Clues
• HB08-L03 – Isolation Faults, Megohmmeter Boundaries, Moisture, and Stop-and-Escalate Rules

09 HB09 - Energy Flow, Regenerative Braking, Brake Blending, and Driveability

• HB09-L01 – Energy Flow Display, Torque Split, Engine-Off Driving, and SOC Management
• HB09-L02 – Regenerative Braking, Brake Blending, ABS Interaction, and Customer Complaints
• HB09-L03 – Poor Fuel Economy, Engine Runs Too Much, Low EV Use, and Energy Management Causes

10 HB10 - Battery ECU, BMS, Contactors, Precharge, and HV Interlock Loop

• HB10-L01 – Battery ECU/BMS Logic, Sensors, Current Measurement, and Control Decisions
• HB10-L02 – Main Relays/Contactors, Precharge Resistor, HVIL, and No-Ready Faults
• HB10-L03 – Contactor Noise, Welded Relay Risk, Precharge Failure, and Restricted Service Boundaries

11 HB11 - Charging Systems in Hybrids/PHEVs: Onboard Charger, Plug-In Logic, and Port Faults

• HB11-L01 – PHEV Charging Architecture, Onboard Charger, Charge Port, and Pilot Signal Basics
• HB11-L02 – Charging Complaints: No Charge, Slow Charge, Interrupted Charge, and Thermal Limits
• HB11-L03 – Cable, EVSE, Port Lock, OBC, DC/DC, and Battery Acceptance Decision Logic

12 HB12 - No-Ready, No-Start, Warning Lamps, and Limp Mode Case Workflow

• HB12-L01 – No-Ready Diagnostic Flow: 12V, HV Battery, Interlock, Immobilizer, Codes, and Contactors
• HB12-L02 – Hybrid Warning Lamps, Turtle Mode, Reduced Power, and Fail-Safe Strategy
• HB12-L03 – Intermittent No-Ready: Heat, Moisture, Harness, Battery Cooling, and Module Dropout

13 HB13 - Thermal Management: Engine, Inverter, Battery, Cabin, and Heat Pump Interactions

• HB13-L01 – Hybrid Thermal Loops: Engine, Inverter, Battery, Cabin, and Coolant Valves
• HB13-L02 – Heat Pump, Electric A/C Compressor, Cabin Demand, and Battery Temperature Effects
• HB13-L03 – Thermal Fault Case Studies: Overheat, Derate, No Cabin Heat, and Poor EV Range

14 HB14 - CAN Communication, Sensors, Wiring, HV Connectors, and Water Intrusion

• HB14-L01 – CAN Network, Hybrid Control Modules, Gateway Data, and Shared Sensor Inputs
• HB14-L02 – HV Connector Inspection, Corrosion, Water Intrusion, Pin Fit, and Harness Routing
• HB14-L03 – 5V Reference, Sensor Grounds, Low Voltage, U-Codes, and False HV Faults

15 HB15 - Toyota, Honda, Ford, Hyundai/Kia, and European Hybrid Platform Differences

• HB15-L01 – Toyota Power Split Hybrid Strategy and Common Diagnostic Patterns
• HB15-L02 – Honda/Ford/Hyundai-Kia Hybrid Architecture Differences and Scan Data Priorities
• HB15-L03 – European Mild Hybrid, PHEV, 48V, and High-Voltage Platform Boundaries

16 HB16 - Mild Hybrid 48V Systems, Belt Starter Generator, and Energy Recovery

• HB16-L01 – 48V Mild Hybrid Architecture, BSG/ISG, DC/DC, and 12V Support
• HB16-L02 – 48V Battery, Cooling, Contactors, Service Disconnects, and Diagnostic Boundaries
• HB16-L03 – Start-Stop Complaints, Recuperation Faults, Belt Drive, and Low-Voltage Clues

17 HB17 - Hybrid Battery and Inverter Case Studies

• HB17-L01 – Case Study: Low SOC, Weak Blocks, Battery Fan Neglect, and Poor Fuel Economy
• HB17-L02 – Case Study: Inverter Cooling Pump Fault, Overheat Warning, and Reduced Power
• HB17-L03 – Case Study: No-Ready From 12V Drop, Interlock Fault, or HV Battery ECU Code

18 HB18 - Repair Decisions, Documentation, Legal Boundaries, and Customer Communication

• HB18-L01 – Repair, Replace, Recondition, Program, Balance, or Escalate Decision Logic
• HB18-L02 – Post-Repair Verification: Final Scan, SOC Stabilization, Road Test, Thermal Check, and Report
• HB18-L03 – Customer Report: Safety Disclosure, Warranty Language, Cost Risk, and Maintenance Advice

19 HB19 - Capstone Hybrid Energy Diagnostic Workflow and Professional Release

• HB19-L01 – Build the Complete Hybrid Battery, Inverter, and Energy Management Decision Tree
• HB19-L02 – Timed Workshop Simulation: First 30 Minutes of a Hybrid Warning Vehicle
• HB19-L03 – Final Capstone Case: Scan, Interpret, Test, Repair, Verify, and Release

20 CAPSTONE - Integrated Hybrid Battery, Inverter, and Energy Management Cases and Professional Release

• Capstone Final Assessment and Professional Release Logic