Deck 15: Passive Restraint and Vehicle Safety Systemsservicing Passive Restraint and Vehicle Safety Systems

Question 1

Always disconnect the negative battery cable and wait the recommended time before attempting any service on an air bag system.

Answer 1

True

Question 2

The automatic parking system operates the transmission gear selection to maneuver the vehicle into a parking spot.

Answer 2

False

Question 3

An undeployed air bag is being replaced because the trim cover is cut. Technician A says it can be recovered. Technician B says it must be deployed before it is scrapped. Who is right?

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

Answer 3

B

Question 4

When servicing an air bag system after a deployment all:

A) components must be replaced
B) sensors must be replaced
C) components must be inspected
D) clocksprings must be replaced

Question 5

Ultrasonic sensors evaluate attributes of a target by interpreting the echoes from sound waves.

Question 6

All of the following are components of the air bag module EXCEPT the

A) Squib
B) Coil assembly
C) Explosive charge
D) Bag assembly

Question 7

The side impact air bags deploy at the same time as the front air bags.

Question 8

The purpose of the air occupant restraint controller is to

A) supply back-up power to the system.
B) determine if there is a fault in the system.
C) monitor the system.
D) All of the above.

Question 9

The ultrasonic sensors used by the park guidance system require adjustment anytime they are removed or replaced.

Question 10

When placing a live air bag module on a table or bench, face the trim and air bag up.

Question 11

All of the following are common sensor types EXCEPT

A) Mass type
B) Roller type
C) Hall-effect type
D) Accelerometer

Question 12

Technician A says that the occupant restraint controller contains the clockspring and the inflator. Technician B says that the occupant restraint controller supplies emergency current to the system if battery voltage is lost. Who is correct?

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

Question 13

Technician A says lane departure warning use a forward-facing camera that is capable of tracking the road features. Technician B says the lane departure system can use haptic feedback in the steering wheel Who is correct?

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

Question 14

The drivers air bag is designed to deploy:

A) if involved in a frontal collision of sufficient impact and the collision force is within 30° on either side of the vehicle centerline.
B) if the vehicle hits a solid object at 15 mph or faster.
C) if the vehicle is hit in the side by a vehicle traveling 15 mph or faster.
D) None of the above.

Question 15

The lane departure warning system camera is capable of detecting white lines, yellow lines, or dots in the road and to track the road features.

Question 16

Technician A says that the occupant restraint controller is responsible for deploying the air bag. Technician B says that some the occupant restraint controller can shut the system off. Who is correct?

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

Question 17

The rollover protection system is designed to prevent vehicle tipping during a side skid.

Question 18

Because the rollover mitigation system ties to the ESP system, diagnostics of the actuators are based on ABS diagnostic routines.

Question 19

The rollover mitigation feature uses additional sensors and actuators within the ESP system to prevent rollovers.

Question 20

All of the following are types of hybrid air bag modules EXCEPT

A) Solid fuel with argon gas
B) Cooled gas inflator
C) Liquid fuel with argon gas
D) Heated gas inflator

Question 21

Whenever the passenger-side front-seat retaining bolts are loosened, the seat is removed from the vehicle, the seat is replaced, the seat trim is replaced, a sensor is replaced, or the OCM is replaced, an OCS ____ must be performed.

A) reinstallation
B) service kit installation
C) validation test
D) belt tension test

Question 22

Multistage air bags are hybrid air bags that use ____ to control the rate of inflation.

A) heated gas inflators
B) two squibs
C) valves
D) limit switches

Question 23

To assure that the driver and/or passenger stay in position during an accident, some vehicles are equipped with seat belt ____.

A) rip stitching
B) correction
C) repositioning
D) pretensioners

Question 24

Air bag system service is being discussed. Technician A says incorrect torque on a sensor fastener may cause improper bag deployment. Technician B says dropping a sensor may cause improper bag deployment. Who is correct?

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

Question 25

The automatic seat belt:

A) locks the seat belt during an accident.
B) places the shoulder and/or lab belt around the occupant when the door is open.
C) places the shoulder and/or lab belt around the occupant when the door is closed.
D) places the shoulder and/or lab belt around the occupant during an accident.

Question 26

The ____ keeps the driver in the correct upright position during a collision, so the air bag is more efficient.

A) side air bag
B) seat belt
C) inflatable knee blocker
D) memory seat

Question 27

Which of the following tools should NOT be used to test an air bag system?

A) A 12-volt test light
B) A digital voltmeter
C) A scan tool
D) A digital ohmmeter

Question 28

Any time the vehicle is involved in an accident, even if the air bag was not deployed, all air bag system components should be inspected. Service is by ____.

A) rebuilding where possible
B) replacement only
C) evaluating the condition of the individual component
D) a specialist shop

Question 29

Usually the air bag system stores two types of fault codes: active and ____.

A) stored
B) inactive
C) intermittent
D) critical

Question 30

Most automotive manufacturers, and many after-market suppliers, developed a method of performing air bag diagnostics by use of an air bag _____.

A) igniter
B) simulator
C) deployer
D) validator

Question 31

Air bag safety is being discussed. Technician A says to always carry an undeployed air bag module with the trim facing away from your body. Technician B says to place on the bench with the trim facing down. Who is correct?

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

Question 32

Technician A says trouble codes will lead you to the correct diagnostic chart to use. Technician B says that trouble codes indicate the exact location of the fault. Who is correct?

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

Question 33

A deployed air bag has a powdery residue on it. Technician A says this powder is mainly sodium carbonate. Technician B says it may contain corn starch. Who is correct?

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

Question 34

The approximate inflation time for most air bags is

A) Less than 100 mS
B) About 500 mS
C) About 0.5 seconds
D) Less than 5 mS

Question 35

On a vehicle equipped with a bladder type air bag system: The customer is concerned about the "Pass Air Bag Off" light not illuminating when their eight year old child sits in the passenger front seat. Technician A says this is normal operation. Technician B says a DTC will set for this condition. Who is correct?

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

Question 36

Technician A says that the clockspring is located at the bottom of the steering column. Technician B says that the clockspring maintains electrical contact between the air bag module and the rest of the system. Who is correct?

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

Question 37

Technician A says the automatic parking system automatically operates the electric steering gear to maneuver the vehicle into a parking spot. Technician B says the automatic parking system can only perform parallel parking procedures. Who is correct?

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

Question 38

Technician A says during a frontal collision, the backup power supply will deploy the air bag if the battery becomes disconnected. Technician B says all backup power supplies will power down one minute after the negative battery is disconnected. Who is correct?

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

Question 39

A technician is working under the instrument panel and comes across a yellow connector. What does this mean?

A) It is part of the cruise control system
B) It is directly connected to the air bag module
C) It is connected to the PCM
D) It is part of the air bag system

Question 40

The diagnostic system check involves observing the air bag ____ to determine if it is operating normally.

A) deployment
B) flash code
C) warning light
D) manufacturer's specific information

Question 41

Technician A says t he rollover mitigation feature uses additional sensors and actuators within the ESP system to prevent rollovers. Technician B says the rollover mitigation system can also be incorporated with the electronic suspension systems to control body roll and weight transfer. Who is correct?

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

Question 42

A customer states that the back-up camera does not come on. Technician A says this can be caused by a faulting range selection sensor. Technician B says this can be caused by an open in the back-up lamp circuit. Who is correct?

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

Question 43

How does the lane departure system determine if the vehicle is wondering?

Question 44

What is the purpose of active headrests?

Question 45

Describe the operation of a multi-stage air bag system.

Question 46

What do most lane departure warning system use to monitor road features?

Question 47

Describe the methods that the rollover mitigation system can use to prevent a rollover.

Question 48

Technician A says lane departure warning systems use ultrasonic sensors to identify road features. Technician B says lane departure can use haptic feedback to warn the driver. Who is correct?

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

Question 49

What is the purpose of the rollover protection system?

Question 50

Describe the function of the air bag module igniter.

Question 51

In the automatic seat belt system, what switches inform the module of the position of the harness?

Question 52

Technician A says if the battery is disconnected, the steering angle sensor may require initialization before the parking system will operate. Technician B says testing of all of the detection range of the sensors of the automatic parking system requires the transmission to be in REVERSE Who is correct?

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

Question 53

What are the two ways of mounting a seat belt pretensioner?

Question 54

How much current flow through the squib is required to deploy the air bag?

Question 55

What design are most side impact air bag systems?

Question 56

What is the basic principle of operation of the ultrasonic sensor?

Question 57

Technician A says the first indication to the vehicle operator that a problem is present in the electronic rollover mitigation system is the illumination of the warning light. Technician B says a problem with ABS system may disable the rollover mitigation system. Who is correct?

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

Question 58

List the three types of air bag sensors.

Question 59

What type of safety equipment must be worn when handling a deployed air bag module?

Question 60

How can a rollover mitigation system reduce tire friction with the road?