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This Prius Plug-in hybrid Emergency Response Guide has been revised
to include the changes of the 2012 model year Prius Plug-in hybrid.
These changes include minor updates to the vehicle exterior, interior
and hybrid system. The important changes affecting the emergency
responder are the reshaped high voltage battery assembly, HV battery
voltage, and location of charge inlet door. While many features of the
Prius Plug-in hybrid are shared with the 2010 3
rd
generation Prius
hybrid, emergency responders should recognize and understand the
new features of the Prius Plug-in hybrid covered in this guide.
High voltage electricity powers the electric motor, generator, air
conditioning compressor and inverter/converter. All other automotive
electrical devices such as the headlights, radio, and gauges are powered
from a separate 12 Volt system. Numerous safeguards have been
designed into the Prius Plug-in hybrid to help ensure the high voltage,
approximately 346 *1/207.2 *2 Volt, Li-ion Hybrid Vehicle (HV)
battery assembly is kept safe and secure in an accident.
*1: 2010 Model
*2: 2012 Model
The 2010 Model Prius Plug-in hybrid utilizes the following electrical
systems:
• Maximum 650 Volts AC
• Nominal 346 Volts DC
• Nominal 120/240 Volts AC
• Maximum 27 Volts DC
• Nominal 12 Volts DC
The 2012 Model Prius Plug-in hybrid utilizes the following electrical
systems:
• Maximum 650 Volts AC
• Nominal 207.2 Volts DC
• Nominal 120/240 Volts AC
• Maximum 27 Volts DC
• Nominal 12 Volts DC
2010 Model Prius Plug-in hybrid features:
• An electric vehicle charge cable rated at 120 Volts.
• An onboard battery charger with a 120 Volt /240 Volt AC input and
346 Volt DC output.
• A boost converter in the inverter/converter that boosts the available
voltage to the electric motor to 650 Volts.
• A high voltage Hybrid Vehicle (HV) Li-ion battery assembly rated
at 346 Volts.
• A high voltage motor driven Air Conditioning (A/C) compressor
rated at 346 Volts and a heat pump type remote air conditioning
system.
• A body electrical system rated at 12 Volts, negative chassis ground.
• Supplemental Restraint System (SRS) – dual stage frontal airbags,
front seat mounted side airbags, side curtain airbags, front seatbelt
pretensioners, and driver knee airbag.
2012 Model Prius Plug-in hybrid features:
• An electric vehicle charge cable rated at 120 Volts.
• An onboard battery charger with a 120 Volt /240 Volt AC input and
207.2 Volt DC output.
• A boost converter in the inverter/converter that boosts the available
voltage to the electric motor to 650 Volts.
• A high voltage Hybrid Vehicle (HV) Li-ion battery assembly rated
at 207.2 Volts.
• A high voltage motor driven Air Conditioning (A/C) compressor
rated at 207.2 Volts and remote air conditioning system.
• A body electrical system rated at 12 Volts, negative chassis ground.
• Supplemental Restraint System (SRS) – dual stage frontal airbags,
front seat mounted side airbags, side curtain airbags, front seatbelt
pretensioners, and driver knee airbag.
High voltage electrical safety remains an important factor in the
emergency handling of the Prius Plug-in Hybrid Synergy Drive. It is
important to recognize and understand the disabling procedures and
warnings throughout the guide.
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