Electronic Steering

What type of motor is used in most electric power steering (EPS) systems?

• AC brushless

• DC brushless

• DC brushed

• Stepper

The steering torque sensor in an electric power steering system senses ________.

• Steering wheel torque

• Steering wheel direction

• Both A and B

• Neither A nor B

If the steering column of an electric power steering system vehicle is replaced, what may have to be re-learned by the electric power steering control module?

• Lock-to-lock distance

• Vehicle toe-in

• Turn signal cancel trigger

• Torque sensor zero

Two technicians are discussing electric power steering (EPS) systems. Technician A says that some systems operate on 12 volts. Technician B says that some systems operate on 42 volts, such as on some hybrid electric vehicles. Which technician is correct?

• Tech A

• Tech B

• Both Tech's A and B

• Neither Tech

All of these are EPS inputs EXCEPT:

• Battery voltage

• Steering shaft Torque sensor

• Steering wheel position sensor

• Mass airflow sensor

Which of the following are inputs for self parking systems?

• Ultrasonic sensors

• Wheel speed sensors

• Steering angle sensor

• All of the above

The Toyota Prius uses a DC motor, reduction gear and torque sensor all mounted where?

• The frame

• The steering gear

• The steering column

• The cross member

What does the driver have control of during a self-parking event?

• Steering

• Throttle

• Brakes

• All of the above

Electronic power assist.....

• Increases as vehicle vehicle speed increases

• Decreases as vehicle speed decreases

• Power assist never changes

• Increases as vehicle speed decreases