AUT 245-Final Exam
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