Question 1

The electronic stability control (ESC)  system requires that the vehicle be equipped with what type of brake system?

Accepted Answer

A)  Three channel ABS
B)  Front disc with rear rum brakes
C)  Four-wheel disc brakes
D)  Four channel ABS

Question 2

What other name is used to describe an electronic stability control (ESC)  system?

Accepted Answer

A)  Vehicle Dynamic Control (VD
C)  
B)  Vehicle Stability Assist (VS
A)  
C)  Electronic Stability Program(ESP) 
D)  Any of the above

Question 3

The steering wheel position sensor provides signals related to steering wheel position and size.

Accepted Answer

A) True 
 B)False

Question 4

Some antilock braking systems use a yaw sensor. Where is this sensor usually mounted?

Accepted Answer

A)  In the front of the vehicle near the radiator
B)  Attached to or near the brake pedal assembly
C)  Inside the vehicle under a seat
D)  On the master cylinder

Question 5

A flashing ESC lamp indicates a problem with the ESC system.

Accepted Answer

A) True 
 B)False

Question 6

Which Federal Motor Vehicle Safety Standard requires electronic stability control to be on all vehicles by 2011?

Accepted Answer

A)  126
B)  113
C)  101
D)  109

Question 7

Technician A says that some vehicles with the Stabilitrak system continuously monitor wheel speed conditions and modulate hydraulic force to individual wheels to maintain stability. Technician B says that vehicles using traction control systems can reduce engine torque in slippery driving conditions. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 8

In this drawing, the vehicle's intended track is "A." If driven a little too fast, the actual track is "B." This condition is known as ________.

Accepted Answer

A)  Understeer
B)  Delayed steer
C)  Left hand drift
D)  Oversteer

Question 9

During a traction control event, which of the following strategies is usually applied first?

Accepted Answer

A)  Reduce engine torque
B)  Apply the drive wheel brakes
C)  Either A or B depending on conditions
D)  Neither A nor B

Question 10

Technician A says that many traction control systems reduce engine torque to help the drive wheels achieve traction. Technician B says that hydraulic pressure from the electrohydraulic unit supplies brake fluid pressure to the wheel brake that is spinning during a traction control event. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B

Question 11

If a vehicle tends to continue straight ahead while cornering, the condition is called ________.

Accepted Answer

A)  Tight
B)  Plowing
C)  Understeer
D)  All of the above

Question 12

A lateral acceleration sensor is usually located where in the vehicle?

Accepted Answer

A)  Under the front seat
B)  On the package shelf
C)  In the center console
D)  Any of the above locations

Question 13

Traction control is being discussed. Technician A says that the computer locks both drive wheels together when one drive wheel starts to slip. Technician B says that first the brakes are applied then the engine power is reduced. Which technician is correct?

Accepted Answer

A)  Technician A only
B)  Technician B only
C)  Both technicians A and B
D)  Neither technician A nor B D

Question 14

Traction control uses the antilock braking system and other devices to limit ________ of the drive wheel during acceleration.

Accepted Answer

A)  Side slip
B)  Positive slip
C)  Negative slip
D)  None of these

Question 15

Which sensor is used by the ESC controller to determine the driver's intended direction?

Accepted Answer

A)  Lateral acceleration sensor
B)  Yaw sensor
C)  Vehicle speed (VS)  sensor
D)  Steering wheel (handwheel)  position sensor

Question 16

What is the name of the standard test that is performed to verify ESC operation?

Accepted Answer

A)  Sine with dwell
B)  Anti-skid test
C)  ESC plus
D)  Vehicle stability enhancement test A

Question 17

A diagnostic trouble code (DTC)  has been set for a fault with the lateral acceleration sensor or circuit. What test could be performed to check if the sensor is working?

Accepted Answer

A)  Unplug it and see if the scan tool reads 1.0 G
B)  Drive the vehicle in a circle to see if the scan tool reads 0.0 G
C)  Disconnect the sensor and hold it sideways to see if the scan tool reads 0.0 G
D)  Disconnect the sensor and hold it sideways to see if the scan tool reads 1.0 G D

Question 18

A traction control system can often control all of these EXCEPT ________.

Accepted Answer

A)  Upshift the transmission
B)  Limit torque delivered to the drive wheels
C)  Engage four-wheel drive
D)  Apply the wheel brake to the wheel that is losing traction

Question 19

The driver of a vehicle with ESC has turned OFF the stability control system. What will happen the next time the vehicle is driven?

Accepted Answer

A)  The ESC system will return to its default ON status.
B)  The ESC system will remain OFF until turned back on by the driver.
C)  It will depend on which driver of the vehicle enters the vehicle.
D)  None of these

Question 20

The hand wheel position sensor is located ________.

Accepted Answer

A)  On the steering rack assembly
B)  Under the driver's side carpet
C)  In the air bag clock spring
D)  In the steering column

Exam 108: Electronic Stability Control Systems

The electronic stability control (ESC) system requires that the vehicle be equipped with what type of brake system?

Correct Answer
verified

What other name is used to describe an electronic stability control (ESC) system?

Correct Answer
verified

The steering wheel position sensor provides signals related to steering wheel position and size.

Correct Answer
verified

Some antilock braking systems use a yaw sensor. Where is this sensor usually mounted?

Correct Answer
verified

A flashing ESC lamp indicates a problem with the ESC system.

Correct Answer
verified

Which Federal Motor Vehicle Safety Standard requires electronic stability control to be on all vehicles by 2011?

Correct Answer
verified

Correct Answer
verified

In this drawing, the vehicle's intended track is "A." If driven a little too fast, the actual track is "B." This condition is known as ________.

Correct Answer
verified

During a traction control event, which of the following strategies is usually applied first?

Correct Answer
verified

Correct Answer
verified

If a vehicle tends to continue straight ahead while cornering, the condition is called ________.

Correct Answer
verified

A lateral acceleration sensor is usually located where in the vehicle?

Correct Answer
verified

Traction control is being discussed. Technician A says that the computer locks both drive wheels together when one drive wheel starts to slip. Technician B says that first the brakes are applied then the engine power is reduced. Which technician is correct?

Correct Answer
verified
D

Traction control uses the antilock braking system and other devices to limit ________ of the drive wheel during acceleration.

Correct Answer
verified

Which sensor is used by the ESC controller to determine the driver's intended direction?

Correct Answer
verified

What is the name of the standard test that is performed to verify ESC operation?

Correct Answer
verified
A

A diagnostic trouble code (DTC) has been set for a fault with the lateral acceleration sensor or circuit. What test could be performed to check if the sensor is working?

Correct Answer
verified
D

A traction control system can often control all of these EXCEPT ________.

Correct Answer
verified

The driver of a vehicle with ESC has turned OFF the stability control system. What will happen the next time the vehicle is driven?

Correct Answer
verified

The hand wheel position sensor is located ________.

Correct Answer
verified

Exam 108: Electronic Stability Control Systems

The electronic stability control (ESC) system requires that the vehicle be equipped with what type of brake system?

Correct AnswerverifiedShow Answer

What other name is used to describe an electronic stability control (ESC) system?

Correct AnswerverifiedShow Answer

The steering wheel position sensor provides signals related to steering wheel position and size.

Correct AnswerverifiedShow Answer

Some antilock braking systems use a yaw sensor. Where is this sensor usually mounted?

Correct AnswerverifiedShow Answer

A flashing ESC lamp indicates a problem with the ESC system.

Correct AnswerverifiedShow Answer

Which Federal Motor Vehicle Safety Standard requires electronic stability control to be on all vehicles by 2011?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In this drawing, the vehicle's intended track is "A." If driven a little too fast, the actual track is "B." This condition is known as ________.

Correct AnswerverifiedShow Answer

During a traction control event, which of the following strategies is usually applied first?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

If a vehicle tends to continue straight ahead while cornering, the condition is called ________.

Correct AnswerverifiedShow Answer

A lateral acceleration sensor is usually located where in the vehicle?

Correct AnswerverifiedShow Answer

Traction control is being discussed. Technician A says that the computer locks both drive wheels together when one drive wheel starts to slip. Technician B says that first the brakes are applied then the engine power is reduced. Which technician is correct?

Correct AnswerverifiedD

Traction control uses the antilock braking system and other devices to limit ________ of the drive wheel during acceleration.

Correct AnswerverifiedShow Answer

Which sensor is used by the ESC controller to determine the driver's intended direction?

Correct AnswerverifiedShow Answer

What is the name of the standard test that is performed to verify ESC operation?

Correct AnswerverifiedA

A diagnostic trouble code (DTC) has been set for a fault with the lateral acceleration sensor or circuit. What test could be performed to check if the sensor is working?

Correct AnswerverifiedD

A traction control system can often control all of these EXCEPT ________.

Correct AnswerverifiedShow Answer

The driver of a vehicle with ESC has turned OFF the stability control system. What will happen the next time the vehicle is driven?

Correct AnswerverifiedShow Answer

The hand wheel position sensor is located ________.

Correct AnswerverifiedShow Answer

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D

Correct Answer
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A

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D

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