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TOYOTA Hybrid Technology Contents What is the Hybrid Vehicle? THS II (TOYOTA Hybrid System) Engine Hybrid Transaxle Inverter Assembly HV Battery THS II Operation ECB (Electronically Controlled Brake) Indicator and Warning Other System Service Point Other Hybrid Vehicles What is the Hybrid Vehicle? What is the Hybrid Vehicle? Why is the hybrid vehicle necessary? (ppmv) CO2 Concentration 600 500 400 300 Increase Automobile market 1970 2006 260 1200 1400 1600 1800 Expanding Energy Consumption Low fuel consumption and low CO2 emission vehicle is required 2000 2100 What is the Hybrid Vehicle? Why is the hybrid vehicle necessary? – Hybrid technology is the core for eco-car development Ultimate eco-car •Low fuel consumption •Low CO2 emission THS II FCHV THS DPNR CNG DPR Common-rail Alternative Energy Diesel Engine D-4 Lean Burn EV VVT-i Gasoline Engine Electric Vehicle What is the Hybrid Vehicle? Kind of Hybrid System – Series Hybrid System • In this system, the engine is used to supply electrical power to the motor, which then turns the wheels What is the Hybrid Vehicle? Kind of Hybrid System – Parallel Hybrid System • The wheels are driven by both the engine and the motor What is the Hybrid Vehicle? Kind of Hybrid System – THS (TOYOTA Hybrid System) • Strong points of both series/parallel systems realized in one system What is the Hybrid Vehicle? THS II (TOYOTA Hybrid System) – Concept Low Fuel Consumption Higher Power What is the Hybrid Vehicle? THS II (TOYOTA Hybrid System) – Hybrid vehicle realizes low fuel consumption and higher power PRIUS (NHW20) PRIUS (NHW11) (km/L) Japanese 10 – 15 Mode Fuel Efciency Good Fuel Economy Corolla (1.3L) Corolla (1.5L) Tradeoff between performance and fuel economy in conventional vehicle CAMRY (2.4L) Good Acceleration 10 – 100 km/h Acceleration (sec.) Service Point Safety Precautions – Before servicing the high voltage area • Make sure to perform the followings; Use the "CAUTION: HIGH VOLTAGE DO NOT TOUCH DURING OPERATION" sign Turn the power mode to off Remove the key from key slot and carry the key Disconnect auxiliary battery negative terminal Check the insulated gloves Remove the service plug Wait or more Measure the inverter terminal voltage (0V check) 14 Service Point Safety Precautions Before servicing the high voltage area Wait 10 minutes or more to discharge high-voltage condenser in the inverter High-voltage Condenser Discharge Discharge 0V Electricity Service plug disconnection 14 Inverter Assembly Service Point Safety Precautions – Before servicing the high voltage area 1.Use the "CAUTION: HIGH VOLTAGE DO NOT TOUCH DURING OPERATION" sign to notify other engineers 14 Service Point Safety Precautions – Before servicing the high voltage area 5.Check the insulated gloves Not cracked, ruptured, torn, or damaged Not wet 14 Service Point Safety Precautions – Before servicing the high voltage area 6.Remove the service plug Carr your y in pock et Service Plug Remove before servicing 14 Service Point Safety Precautions – Before servicing the high voltage area 8.Measure the inverter terminal voltage (0V check) 0V Between phases phases and body ground 0V 14 Inverter Assembly Service Point Safety Precautions – During servicing the high voltage area • Insulate the tools by vinyl tape Insulated Vinyl Tape 14 Service Point Safety Precautions – During servicing the high voltage area • Insulate the disconnected high-voltage connector with insulated vinyl tape Insulated Vinyl Tape 14 Service Point Safety Precautions – During servicing the high voltage area • Non-reusable nut is used to the installation of high voltage line New Example of use Wire x SMR Used 15 Nonreusable Junction Block x Module Service Point Safety Precautions – After servicing the high voltage area • Before reinstalling the service plug, check again the following You have not left a part or tool inside The high-voltage terminal nuts and screws are properly tightened The connectors are correctly connected 15 Service Point Safety Precautions – After servicing the high voltage area • Be sure to install the service plug before starting the hybrid system Vehicle damages After servicin g Installation 15 READY ON Service Point Response When The HV Battery (201.6V) Runs Out – Vehicle conditions when HV battery low voltage HV Battery Warning Light illuminates Can not READY ON DTC P3000-389 (HV Battery Malfunction) is detected 15 Service Point Response When The HV Battery (201.6V) Runs Out – Charge the HV Battery using THS Charger THS Charger THS Charger 15 Note: THS charger is the recommended tool Service Point Battery Pack Removal / Installation – If the HV battery electrolyte leaks, don’t touch it Neutralize battery electrolyte Boric Acid Solution Don’t touch the battery electrolyte ! Boric Acid (800 g) 15 Water (20 liters) Service Point Towing 15 Notice: If there is a electrical leakage, motor regenerates the electricity by wheel rotation ... one system What is the Hybrid Vehicle? THS II (TOYOTA Hybrid System) – Concept Low Fuel Consumption Higher Power What is the Hybrid Vehicle? THS II (TOYOTA Hybrid System) – Hybrid vehicle realizes... Vehicle? Kind of Hybrid System – Parallel Hybrid System • The wheels are driven by both the engine and the motor What is the Hybrid Vehicle? Kind of Hybrid System – THS (TOYOTA Hybrid System) •... Compressor 25 THS II (TOYOTA Hybrid System) Multi Display – Energy Monitor 26 THS II (TOYOTA Hybrid System) Multi Display – Fuel consumption indicator 27 THS II (TOYOTA Hybrid System) Auxiliary
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