Hybrid Synergy Drive Component Locations &
Descriptions (2012 Model)
Hybrid Synergy Drive Component Locations &
Descriptions (2012 Model)
-43-
Component Location Description
12 Volt
Auxiliary Battery
Passenger Side
of Cargo Area
A lead-acid battery that supplies power to the
low voltage devices.
Hybrid Vehicle
(HV) Battery
Assembly
Cargo Area 207.2 Volt Lithium-ion (Li-ion) battery pack
consisting of 3.7 Volt cells connected in a
series circuit.
Power Cables Undercarriage
and Engine
Compartment
Orange colored power cables carry high
voltage Direct Current (DC) between the HV
battery assembly, inverter/converter, and A/C
compressor. These cables also carry 3-phase
Alternating Current (AC) between the
inverter/converter, electric motor, and
generator.
Inverter/
Converter
Engine
Compartment
Boosts and inverts the high voltage electricity
from the HV battery assembly to 3-phase AC
electricity that drives the electric motor. The
inverter/converter also converts AC
electricity from the electric generator and
electric motor (regenerative braking) to DC
that charges the HV battery assembly.
Gasoline
Engine
Engine
Compartment
Provides two functions:
1) Powers vehicle.
2) Powers generator to charge the HV battery
assembly.
The engine is started and stopped under
control of the vehicle computer.
Electric
Motor
Engine
Compartment
3-phase high voltage AC electric motor
contained in the front transaxle. It is used to
power the front wheels.
Electric
Generator
Engine
Compartment
3-phase high voltage AC generator that is
contained in the transaxle and charges the
HV battery assembly.
A/C Compressor
(with Inverter)
Engine
Compartment
3-phase high voltage AC electrically driven
motor compressor.
Hybrid Synergy Drive Components
Components (Top View) and High Voltage Power Cables
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