Chapter 11 Flashcards

1
Q

Compare how fatality rates for miles traveled have been reduced.

A
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2
Q

Explain what brought on the development of ABS braking and why.

A

the loss of vehicle control because to the rear wheels locking and causing a spin from which the driver could not correctc

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3
Q

Explain how the rear wheels were controlled on the original rear-wheel antilock brakes such as RWAL or RABS.

A

The rear wheels were controlled as a pair

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4
Q

Explain the difference between three- and four-channel ABS brakes.

A
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5
Q

Explain what is meant by understeer.

A

was driving too fast for weather conditions or the condition of the tires or vehicle and the front wheels lost traction.

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6
Q

Explain what is meant by the term oversteer.

A

Over steer is the loss of traction at the rear wheels leading to a vehicle spin.

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7
Q

Describe the first response to wheel slip by the traction control.

A
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8
Q

Explain how computer-controlled hydraulic steering works.

A
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9
Q

Briefly explain how active braking systems operate.

A
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10
Q

Explain the use of a yaw sensor.

A
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11
Q

By some estimates, as many as ________ percent of all accidents are caused by driver inattention.

A

95

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12
Q

Computer _______ inside the vehicle allowed the ECM, BCM, ABS, and stability control (VSC) modules to react as one to prevent crashes.

A

networks

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13
Q

Traction control is basically the _______ of ABS.

A

opposite

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14
Q

The ________ sensor is a dual sensor that is mounted on a torsion bar inside the steering column.

A

torque

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15
Q

The Toyota Prius uses ________ braking that begins as soon as the accelerator pedal is released by activating the motor/generator.

A
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16
Q

_______ braking systems will build increased pressure from the master cylinder in the event of a panic stop.

A
17
Q

The Toyota Prius uses two motor generators: ______ _______.

A
18
Q

The KIA Optima Hybrid uses a ________ driven starter generator to help slow the vehicle during deceleration.

A
19
Q

Electronic or electrically controlled steering began in the ________.

A
20
Q

Active ride control works with the vehicles struts/shock absorbers to prevent _______ roll _______ in hard turns.

A
21
Q

Technician A says that the ABS was the first step on the road to stability control systems.

Technician B says that ABS brakes allow the driver to control the vehicle when braking.

Who is correct?

A

c

22
Q

Technician A says that a direct TPMS sensor transmits a signal to the TPMS module concerning tire pressure.

Technician B says that some TPMSs use temperature sensors to determine an overheating tire.

Who is correct?

A
23
Q

Technician A says the steering torque sensor tells the VSC module how hard the driver is turning the steering wheel.

Technician B says the steering wheel position sensor is also used as an input to the stability control.

Who is correct?

A
24
Q

Technician A says an air spring suspension can control body roll.

Technician B says an air spring suspension cannot be used to control ride height.

Who is correct?

A
25
Q

While discussing the VSC module,

Technician A says the VSC computer works in cooperation with the other computers in the vehicle network to provide stability control.

Technician B says that the VSC module stands alone and does not need to communicate with the vehicle network.

Who is correct?

A
26
Q

Technician A says that reducing torque to the wheels can help prevent loss of traction.

Technician B says that starting out in a lower gear can reduce torque to the wheels.

Who is correct?

A
27
Q

The Toyota Prius uses two electric motor generators: MG1 and MG2.

Technician A says that MG1 is used as a generator when braking and on deceleration.

Technician B says that MG2 is used as the main drive electric motor.

Who is correct?

A
28
Q

Technician A says the TAC module has direct control of the throttle position.

Technician B says that the ECM can command the TAC to find the best throttle position for the conditions.

Who is correct?

A
29
Q

Technician A says the Distronic system is a cruise control system.

Technician B says the Distronic system can see drivers approximately 6,000 feet in front of the vehicle.

A
30
Q

Technician A says that the yaw sensor measures the actual turning angle that the vehicle is traveling.

Technician B says that the steering angle sensor measures the direction that the driver is trying to steer.

Who is correct?

A