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Hybrid Synergy Drive Component Locations &
Descriptions
Component
Location
Description
12 Volt
Auxiliary
Battery
Engine Compartment
(2008 - 2010 Models)
Cargo Area (2011
Model)
A lead-acid battery that supplies power to
the low voltage devices.
Hybrid
Vehicle
(HV)
Battery
Pack
Cabin Area, Mounted
to Cross Member
under Second Row
Seat
288 Volt Nickel Metal Hydride (NiMH)
battery pack consisting of 30 low voltage
(9.6 Volt) modules connected in series.
Power
Cables
Undercarriage and
Engine Compartment
Orange colored power cables carry high
voltage Direct Current (DC) between the
HV battery pack, inverter/converter, and
A/C compressor. These cables also carry
3-phase Alternating Current (AC)
between the inverter/converter, electric
motors, and generator.
Inverter/
Converter
Engine Compartment Boosts and inverts the high voltage
electricity from the HV battery pack to 3-
phase AC electricity that drives the
electric motors. The inverter/converter
also converts AC electricity from the
electric generator and electric motors
(regenerative braking) to DC that
recharges the HV battery pack.
Gasoline
Engine
Engine Compartment Provides two functions:
1) Powers vehicle.
2) Powers generator to recharge the HV
battery pack.
The engine is started and stopped under
control of the vehicle computer.
Front
Electric
Motor
Engine Compartment 3-phase high voltage AC permanent
magnet 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 recharges
the HV battery pack.
Hybrid Synergy Drive Components (2008 - 2010 Models)
Hybrid Synergy Drive Components (2011 Model)