AUT 245-Final Exam

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3. I have an electric motor that is considered permanent magnet motor. I typically have four bushings.

(False)

8. A blinking cruise control light indicates vehicle is traveling at the maximum speed than the cruise control system allows.

(False)

1. Most timers of rear window defroster are 20 minutes.

(False-10 minutes)

14. Side impact airbags deploy the same time as front airbags.

(False-different type of impact)

7. The heating grid on a heated seat is typically test with ammeter?

(False-ohmmeter)

21. Some vehicles have switch to allow the driver side airbag to be turned off?

(False-passenger side)

18. Smartbags has three stages of deployment?

(False-two stages)

10. Can we test a horn by connecting it to a jumper wire between the battery positive and horn power terminal?

(True)

11. We should always disconnect the negative battery cable and wait recommended time before attempt any service on airbags?

(True)

12. Compressed argon gas is used on some airbag systems?

(True)

13. A seatbeat that has color fading due to exposure to sun or chemicals should be replaced?

(True)

16. A pretensioner uses an explosive charge to retract the seatbelt?

(True)

2. The intermittent wiper delay on late model vehicles is controlled by the body control module.

(True)

4. Most warnants are controlled by a relay?

(True)

5. Most power tube (seat) systems are protected by a circuit breaker?

(True)

6. The most common rear window defroster system failure is damage to heat grid on the window.

(True)

9. Dirt on the antenna mast can cause poor radio reception.

(True)

59. Power seats operates slower than normal and the light dim when operating the power seats. What's the most likely problem?

A Binding seat

37. What can you do to fix a rear window defroster with a bad spot on it?

A repair compound

56. Troubleshooting the wiper park switch. What would you look in?

Along the gears

38. If you have a two speed permanent type wiper motor, generally what is used to achieve two speeds?

Bushes

50. What the magic in electrochromic mirrors?

Darken the mirror (i.e rear view)

30. The magic of power windows come from what device?

Electric motor

20. The left and right side seatbelt retractors are interchangeable?

False

42. A cruise control system uses a governor valve operated by automatic transmission fluid to pressure control the throttle?

False

70. Air system service. True or False. Airbags sensors are checked with back probing sensors.

False

52. Some smart keys can allow the engine to be started and lock door if standing a few feet away from the vehicle.

False-Key fob

65. The clock spring is located at the bottom of the steering column.

False-Steering column at the top.

26. In the security systems of the vehicle, a resistance key includes a small battery to supply an identification voltage?

False-resistor chip

64. Where do you find the event data recorder?

In the airbag sensor assembly (Blackbox)

29. The rear timer defroster does what for us?

It allows to operate for a specific amount of time

57. Disconnect the linkage and the wiper suddenly starts working normally, what is the problem?

Linkage itself

71. Can you service the airbag module?

No

33. What device provides power to the window wipers when in the down position on the window shield?

Parking switch

32. What piece works to open the trunk?

Solenoid

28. What piece on the vacuum cruise control is used to adjust and control the position of throttle?

Speed Sensor Servo assembly

58. Rain sensors. Where would look to diagnosis it?

Top and center of windshield

17. Live airbags must be deployed before they are disposed of?

True

19. Seatbelts can be considered both a passive and active passenger restrain?

True

22. Side head protection airbags are designed to stay pumped up for about 5 seconds for a 2nd or 3rd impact?

True

23. If problem is found with the seatbelt, the module should be replaced?

True

24. You should warn vehicle owners against allowing children from riding in the front seats of vehicle equipped with dual airbags?

True

25. Servicing a vehicle with airbags system, the airbags should be disarmed before servicing them.

True

27. NAV systems use a satellite system to identify the exact location of the vehicle.

True

34. A vehicle comes in the shop and the right front window does not want to come down on power window vehicle. True or False. There may be an open on the power motor current?

True

40. The master key can operate the ignition, lock all doors, unlock the trunk and glove box.

True

41. The vali-key only works the doors and ignition.

True

43. Vehicle that use electronic throttle control do not require separate cruise control module to control the engine's speed.

True

44. Radar is used in adaptive cruise control system to measure the distance between the vehicle and the vehicle ahead of it.

True

45. Cruise control system disengages when the brake pedal is pressed?

True

46. Cruise control system disengages when the clutch pedal is pressed?

True

47. Actuators for power lock door are reversible DC electric motors?

True

48. The master control switch for power windows provide both electric power for the window motor and ground for the window motor.

True

51. Smart key must be put into the slot into the interpanel before the engine can be started.

True

54. Wiper motors can be permanent type wiper motors.

True

55. Wiper motors can be electromagnetic field wiper motors.

True

60. The diagnostic module assembly supplies emergency current to the system if battery voltage is lost.

True

62. An airbag module is serviced as an assembly.

True

63. It is fine to replace all the airbag sensors if one is damaged.

True

66. The clock spring maintains electrical contact between the inflator module and the rest of the system.

True

67. The clock spring may also control the switches that may operate switch on the steering wheel such as cruise control, radio channel changing and shifting.

True

68. The arrow on the airbag sensor must face the front of the vehicle.

True

69. Air system service. True or False. An airbag simulator can be installed to allow accurate testing of currents without having an airbag deployment.

True

72. The airbag inflator assembly is made of solid chemical gas generator containing azide elements.

True

The master switch for the right door switch could be defective?

True

35. A vehicle comes in the shop and the wiper switch motor work slower than usual. True or False. Could be a problem with the machine linkage?

True Excessive resistance in the electric current? True

61. An airbags system may have up to 5 sensors. All in the passenger compartment?

True and False

39. True or False. A faulty unlock relay, can cause the power locks to lock but not unlock the doors. A faulty actuator?

True and True

49. An inspection revels that none of the power windows moves up and down with either the master switch or when the door switch are used. Could the problem be a blown fuse or defector current breaker? Bad power system ground? Defective master switch?

True, true and true

15. Which way should the airbag face if you are working on it? Up or down?

Up

31. Are power window permanent magnetic design?

Yes

36. A vehicle comes in the shop with a 6 way power seat and none of the function work. Is it a good idea to check the circuit breaker? True or False. There may be excessive resistance in the electric circuit?

Yes and True

53. A wireless smart key can arm and disarm a security system and allows a system to be started is known a

transponder


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