lane assist TOYOTA PRIUS 2001 Service Repair Manual

CHASSIS ± P111 HYBRID TRANSAXLE
182CH05
Stator
Rotor
Stator
Rotor
182CH04
81
3. MG (Motor Generator) 1
The MG1 recharges the HV (Hybrid Vehicle) bat-
tery and supplies electrical power to drive the
MG2. In addition, by regulating the amount of
electrical power generated, thus varying the
MG2's speed, the MG1 effectively controls the
continuously variable transmission function of the
transaxle. Connected to the sun gear of the plane-
tary gear unit, MG1 also functions as a starter for
starting the engine.
4. MG (Motor Generator) 2
Serving as the source of supplemental motive
force that provides power assist to the output of the
engine as needed, the electric motor helps the ve-
hicle achieve an excellent dynamic performance
that includes smooth start-offs and acceleration.
Connected to the ring gear in the planetary gear
unit, MG2 is an electric motor that converts the ve-
hicle's kinetic energy that is generated through the
activation of the regenerative brake into electrical
energy, which is then stored in the HV batteries.