Toyota Camry Hybrid AHV40 Manual page 183

CH-82
4. Constructions and Operation
Steering Gear Unit
1) General
A motor, reduction mechanism, and the torque sensor are enclosed in the steering gear unit.
2) Motor
D The motor is a high power output, brush less type motor is used.
D The motor, which is mounted coaxially to the rack shaft, consists of a rotation angle sensor, stator, and
rotor.
D A ball screw reduction gear, which consists of a reduction mechanism, is installed on the rotor.
D The balls transmit the rotational torque of the motor to the rack shaft in the form of axial force.
D The rotation angle sensor consists of resolver sensors, which excel in reliability and durability. The
rotation angle sensor detects the rotation angle of the motor and outputs it to the EPS ECU. As a result,
it ensures efficient EPS control.
Ball Screw
Reduction Gear
Ball
CHASSIS - STEERING
Torque Sensor Portion
Motor Portion
Reduction Mechanism Portion
Magnet
Motor Potion
Rotor
Front
Coil
Rotation Angle
Sensor
Rack Shaft
Stator
02HCH52Y
02HCH53Y