Get Best AURLTD109 Assignment Help At Cheap Prices!!!!
1. Identify four (4) important items of personal safety protection or PPE when diagnosing faults on light vehicle steering and suspension systems?
1
2
3
4
Multiple Choice question. Selected the correct answer.
2. Which of the following statements about safety glasses is true?
A. They should offer side protection.
B. The lenses should be made of a shatterproof material.
C. Some service operations require additional eye protection to be worn with safety glasses. D. All answers are correct.
True or False question
3. NEVER remove an air spring when there is pressure in the air spring. Do not remove any components supporting an air spring without either exhausting the air or providing support for the air spring. When servicing any air suspension component, power to the air system must be shut off by turning the air suspension switch (in the luggage compartment) off or by disconnecting the battery.
☐ True or ☐ False
4. The coil spring exerts a tremendous force on the control arm. What should you do before disconnecting any control arms?
True or False question
5. When removing the rear springs, do not use a twin-post hoist. The swing arc tendency of the rear-axle assembly when certain fasteners are removed might cause it to slip from the hoist. Perform this operation on the floor if necessary.
☐ True or ☐ False
6. Why must power-steering hoses be carefully routed away from engine exhaust components?
True or False question
7. During the power steering pump pressure test with the engine idling, close the pressure gauge valve for no more than 10 seconds; excessive pump pressure may cause power steering hoses to rupture, resulting in personal injury.
☐ True or ☐ False
True or False question
8. Do not allow the fluid to become too hot during the power steering pump pressure test. Excessively high fluid temperature reduces pump pressure. Wear protective gloves, and always shut the engine off before disconnecting gauge fittings, because the hot fluid may cause burns.
☐ True or ☐ False
Multiple Choice question. Selected the correct answer.
9. Which document should you use to find how to handle, trap, store and dispose of new or waste oils?
A. Safety Data Sheet (SDS).
B. Technical Service Bulletin (TSB).
C. Product Information Letter (PIL).
D. All answers are correct.
10. Referring to the VACC Automotive Environmental Guide, explain the four [4] step procedure for trapping, storing and disposing of oils released from steering and suspension systems.
1
2
3
4
11. What is an intermittent fault?
12. Intermittent faults with sensors, and most electrical steering and suspension system circuits, will usually set a DTC. However, the DTC will be stored instead of active when the technician retrieves them. What does this mean?
13. Identify various causes of intermittent steering and suspension system electrical faults?
True or False question
14. A weak suspension spring can affect the wheel alignment on the vehicle.
☐ True or ☐ False
Multiple Choice question. Selected the correct answer.
15. A weak spring will NOT cause ________?
A. Poor braking.
B. Abnormal steering.
C. Premature universal joint failure.
D. Premature ball joint failure.
Multiple Choice question. Selected the correct answer.
16. Which of the following is NOT a probable cause of wheel shimmy?
A. Binding steering column universal joint.
B. Loose wheel bearings.
C. Out of balance tyres.
D. Loose, worn, or damaged suspension components.
17. Sagging coil springs will cause what nine [9] customer steering, suspension and other vehicle system complaints?
1 6
2 7
3 8
4 9
5
Multiple Choice question. Selected the correct answer.
18. Hard steering could be caused by?
A. Inadequately inflated tyres.
B. A loose power steering belt.
C. Restricted power-steering lines or hoses.
D. All answers are correct.
Fill in the Missing Word
19. Place the missing words to complete the following statement about intermittent steering system faults using the following words.
Missing Words: comfort, diagnosing, driver, inspect, intermittently, loose, test
A _______________ power steering belt may cause hard steering _______________, and this condition requires increased _______________ steering effort, which reduces driver _______________ and convenience. Therefore, one of the first checks when _______________ a power steering system is to _______________ the belt condition and _______________ the belt tension.
20. What is the difference between conventional rack and pinion and electronic rack and pinion steering?
Fill in the Missing Word
21. Place the missing words to complete the following statement about electric power steering system using the following words.
Missing Words: assist, current, Electric, pinion, sensor, steering, torque, torsion
_______________ power steering systems require a steering input _______________ sensor to determine how much electric _______________ should be sent to the steering _______________ motor. This torque _______________ uses a small _______________ bar that is connected between the _______________ column and the _______________ shaft.
Multiple Choice question. Selected the correct answer.
22. In an electric steering system, the __________ must be recalibrated to zero point whenever the steering gear, steering wheel, steering column or steering control module has been removed or replaced.
A. Torque sensor.
B. Clockspring assembly.
C. Steering wheel.
D. Pressure control sensor.
Multiple Choice question. Selected the correct answer.
23. The primary sensor input used by an electronically controlled power steering system is the.
A. Engine coolant temperature (ECT).
B. Vehicle speed sensor (VSS).
C. Engine RPM (CKP).
D. Mass airflow (MAF).
Multiple Choice question. Selected the correct answer.
24. The power steering pressure on an electronically controlled power steering system is regulated by the vehicle’s power steering control module by varying the __________ applied to the pressure control?
A. Frequency.
B. Resistance.
C. Duty cycle.
D. Voltage.
25. Where is the control valve located in a rack-and-pinion power steering system? 26. Explain briefly what occurs with a rack-and-pinion power steering when the steering wheel is turned.
Multiple Choice question. Selected the correct answer.
27. What is the primary purpose of the power steering hoses?
A. To lubricate the pump.
B. To relieve pressure.
C. To transmit pressurised fluid power.
D. None of these answers is correct.
Multiple Choice question. Selected the correct answer.
28. Power steering hoses must be able to withstand pressures up to __________ psi.
A. 500.
B. 1000.
C. 1500.
D. 2500.
True or False question
29. Active suspension systems can eliminate body roll while cornering? ☐ True or ☐ False
Multiple Choice question. Selected the correct answer.
30. Electronically controlled suspensions are __________ systems?
A. Simple load-levelling.
B. Adaptive.
C. Fully active.
D. All answers are correct.
True or False question
31. Adaptive suspensions can alter ride height while the vehicle is in motion.
☐ True or ☐ False
True or False question
32. Active suspension systems use air-operated actuators.
☐ True or ☐ False
Multiple Choice question. Selected the correct answer.
33. The most advanced computer-controlled suspension systems are true active suspension. They use high pressure __________ actuators to carry the vehicle’s weight rather than conventional springs or air springs.
A. Hydraulic.
B. Pneumatic.
C. Electromagnetic.
D. Vacuum.
Fill in the Missing Word
34. Place the missing words to complete the following statement about adaptive suspension system using the following words.
Missing Words: driver, electronic, prevailing, spring, suspension, variable.
Adaptive _______________ systems use _______________ shock absorbers with _______________ valving. In some cases, variable air _______________ rates are used to adapt the vehicle’s ride characteristics to the _______________ road conditions or _______________ demands.
Multiple Choice question. Selected the correct answer.
35. A technician is checking a suspension complaint. He depresses the front bumper a few inches by hand then releases it. When the front bumper is released, it oscillates up and down about three (3) times before coming to rest. What could be the problem?
A. Worn ball joints.
B. Worn stabiliser links.
C. Worn shock absorbers.
D. Worn springs.
Multiple Choice question. Selected the correct answer.
36. Which of the following would NOT cause rattling noise on road irregularities?
A. Worn shock absorber bushings.
B. Leaking shock absorbers.
C. Broken spring insulators.
D. Worn strut rod grommets.
Multiple Choice question. Selected the correct answer.
37. A weak spring will NOT cause.
A. Poor braking.
B. Abnormal steering.
C. Premature universal joint failure.
D. Premature ball joint failure.
True or False question
38. If the steering gear is adjusted too tightly, it can cause hard steering? ☐ True or ☐ False
True or False question
39. If the steering gear is adjusted too tightly, it can cause poor returnability? ☐ True or ☐ False
Multiple Choice question. Selected the correct answer.
40. A technician is checking a car for loose and erratic steering. When an assistant moves the steering wheel left and right, he notices the entire steering rack moving back and forth about 10mm. he checks the tightness of the rack mounting bolts and finds that they are torqued to specifications. What could be the problem?
A. Worn inner tie-rod end.
B. Worn outer tie-rod end.
C. Worn steering universal joint.
D. Worn rack mount bushings.
Multiple Choice question. Selected the correct answer.
41. While checking out the front end of a vehicle, the technician grabs the driver’s side tyre and steer the wheels manually left and right. While he does this, he notices that the centre link moves up and down. What component is most likely at fault?
A. Worn inner tie-rod end.
B. Worn centre link.
C. Worn idler arm.
D. Worn steering universal joint.
Multiple Choice question. Selected the correct answer.
42. While a vehicle is taken for a test drive, a loud clunking noise is heard from the right front of the vehicle only during hard brake manoeuvres. What is the most likely cause?
A. A worn strut rod bushing.
B. A worn rack and pinion mounting bushing.
C. A loose sway bar link.
D. A loose right front shocker absorber.
Multiple Choice question. Selected the correct answer.
43. The most likely cause of repeated front coil spring breakage is.
A. A weak stabiliser bar.
B. Worn control arm bushings.
C. Constant overloading.
D. Worn shock absorber bushings.
Multiple Choice question. Selected the correct answer.
44. The most likely cause of excessive body lean and sway while cornering is?
A. A broken stabiliser link.
B. Sagged coil spring.
C. Worn strut rod bushings.
D. Worn upper control arm bushings.
Multiple Choice question. Selected the correct answer.
45. A vehicle has sagged rear springs and reduced rear curb riding height. This problem results in.
A. Excessive positive camber on the front wheels.
B. Excessive toe-out on the front wheels.
C. Excessive positive caster on the front wheels.
D. Excessive toe-in on the front wheels.
Multiple Choice question. Selected the correct answer.
46. On a vehicle equipped with rear parallel leaf springs and a solid rear axle, the customer is complaining that the vehicle reacts erratically (it darts) during turns. What is the most likely cause of this complaint?
A. Incorrect ride height.
B. Incorrect driveline angle.
C. Loose rear axle U-bolts.
D. Missing jounce/rebound bumpers.
Multiple Choice question. Selected the correct answer.
47. A power steering pump is being tested with a pressure gauge for maximum output pressure. Which of the following statements is correct?
A. The pressure gauge should be attached to the pump return port.
B. The steering wheel should be held in the right lock position.
C. A maximum output pressure dead heading test should last no longer than 5 seconds. D. One should check output pressure with engine speed above 4000rpm.
Multiple Choice question. Selected the correct answer.
48. A customer complains about excessive erratic steering effort on a vehicle with a power recirculating ball steering gear. The problem is worse when the steering gear is cold. The belt tension, power steering pump pressure and fluid level are satisfactory. What is the most likely cause?
A. The ball nut piston ring may be worn.
B. The ball nut piston cylinder may be scored.
C. Both “the ball nut piston ring may be worn” and “the ball nut piston cylinder may be scored”. D. Neither “the ball nut piston ring may be worn” and “the ball nut piston cylinder may be scored”.
Fill in the Missing Word
49. Place the missing words to complete the following statement about power steering pressure gauge using the following words.
Missing Words: extremely, manual, power, pressure, procedure, steering, test
A power steering _______________ gauge is used to test the power _______________ pump pressure. Because the _______________ steering pump delivers _______________ high pressure during this _______________, the recommended _______________ in the vehicle manufacturer’s service _______________ must be followed.
Fill in the Missing Word
50. Place the missing words to complete the following statement about Chassis Ears using the following words.
Missing Words: chassis, component, control, driving, electronic, hard, headphones, inductive, noise, road, source, tool
A handy _______________ for identifying the exact cause of a _______________ in called the _______________ Ears. This is a wireless _______________ device that can identify the _______________ of a noise during a _______________ test. The unit relies on _______________ pickups that clamp on or near the _______________ you want to listen to. The device also has a _______________ unit with adjustable volume and _______________. The value of this tool is that it simply is _______________ to identify the source of a noise while you are _______________.
Fill in the Missing Word
51. Place the missing words to complete the following statement about scan tool using the following words. Missing Words: activate, computer, correct, diagnose, diagnosing, procedures, suspension, system
A scan tool and/or a special electronic tester is used to _______________ most electronic _______________ system. These can only retrieve DTCs; they may also be able to _______________ various actuators in the system. The exact _______________ and available data from the vehicle’s _______________ will vary with manufacturer and the _______________ found on the vehicle. Always refer to the _______________ service information when _______________ electronic systems.
Multiple Choice question. Selected the correct answer.
52. Most workshops are equipped with a computerized ________ machine that can check and diagnose all front and rear-wheel alignment angles quickly and accurately?
A. Analyser.
B. Four-wheel alignment.
C. Scan tool.
D. All answers are correct.
53. Referring the Additional Information Book, what would be the conditions that DTC C1711 Front Height Control Sensor R/H Circuit Malfunction can be logged as a fault in the suspension system?
54. Referring the Additional Information Book, what would be the conditions for running DTC C1D12 Shock Absorber Actuator Malfunction can be logged as a fault in the suspension system? You will need to go to the following link below or ask your trainer for the PDF handout.
55. A customer is concern with EPS light ON and NO power steering assist on their 2014 Mazda 6. You verify the concern and connect the scan tool to find DTCs C200B:02, C200B:49, C200B:62, C200:85 Torque Sensor. Referring the Additional Information Book and following the troubleshooting chart for DTCs C200B:02, C200B:49, C200B:62, C200:85 Torque Sensor, look up the related PIDs you will need to select and monitor during your diagnosis.
56. You are monitoring the STR_ROT_SPD (Steering Wheel Rotation Speed) PID on the scan tool for 2014 Mazda 6, and the reading is 0o/s when not moving the steering and 0o/s when moving the steering. Referring the Additional Information Book and Electric Power Steering (EPS) On Board Diagnosis is this value correct and if not, what could be the fault?
57. Referring the Additional Information Book and Mazda RX8 Electric Power Steering (EPS) On Board Diagnosis, what are the TRQ_SENS PID Date reading for the positions on this electric power steering (EPS)?
Steering wheel is not turned:
Steering wheel is turned right:
Steering wheel is turned left:
58. Referring the Additional Information Book and Mazda RX8 Electric Power Steering (EPS) On Board Diagnosis, explain how to access the “Freeze Frame PID Data” using the scan tool?
59. Referring the Additional Information Book and Mazda RX8 Electric Power Steering (EPS) On Board Diagnosis, what are the ‘Active Command PID’?
Multiple Choice question. Selected the correct answer.
60. Looking the screen capture of the waveform below, the steering wheel is at full lock to the right. Notice the steering angle sensor is showing -470o, which the steering is turned to the full right direction. What would be the reading be if the steering is turned to the full left direction?
A. 0
o.
B. 470o.
C. -470o.
D. All answers are correct.
Multiple Choice question. Selected the correct answer.
61. The sensor and output status data stored when a DTC is set is called?
A. Live data.
B. Freeze frame data.
C. Mode 6 data.
D. Failure record.
62. What is a freeze frame?
63. What is a waveform library?
Fill in the Missing Word
64. Place the missing words to complete the following statement about vehicle monitoring systems using the following words.
Missing Words: adaptive, adjusts, altering, computer, continuously, control, damping, driving, electronic, height, input, suspension, systems
Advances in _______________ sensor and _______________ control technology have led to a new generation of _______________ systems. The simplest _______________ are level control systems that use electronic _______________ sensors to _______________ an air compressor linked to air-adjustable shock absorbers.
More advanced _______________ suspensions are capable of _______________ shock damping and ride height _______________. Electronic sensors provide _______________ data to a computer. The computer _______________ air spring and shock _______________ settings to match road and _______________ conditions.
Fill in the Missing Word
65. Place the missing words to complete the following statement about documenting you’re diagnostic finding on the job card using the following words.
Missing Words: clear, defective, diagnostic, documentation, equipment, found, job, multimeter, operations, problem, sensor, technician, trouble, write
The service _______________ must document the _______________ card. This means that the service technician must _______________ (or type) what all was done to the vehicle including documenting _______________ components or conditions that were _______________ in the course of the _______________. The _______________ is often called “telling the story” and should include the following:
∙ The test _______________ used to diagnose the _______________. For example: Used a scan tool to retrieve C15A2/62 Actuator Malfunction diagnostic _______________ code.
∙ Used a digital _______________ to determine a Steering Control unit power circuit was defective. ∙ List what parts or service _______________ were performed. For example: Replaced the wheel speed wire on R/H/R wheel. Used a scan tool to _______________ the diagnostic trouble codes and verify that the system operated correctly.
Multiple Choice question. Selected the correct answer.
66. When retuning a vehicle to the customer the vehicle should?
A. Be cleaned.
B. Have documentation completed.
C. Post repair test completed.
D. All answers are correct.
True and False
67. An automotive technician must adhere to workshop safety guidelines and procedures when using all tools and equipment.
☐ True or ☐ False
True and False
68. An automotive technician is required to document the work that was performed on a vehicle. Writing or typing in the description of the steps performed during the diagnosis and repair of the vehicle should be worded as if the technician is talking to the customer.
☐ True or ☐ False
True and False
69. Inspect your tools for cracks, broken parts, or other dangerous conditions before you use them. Never use broken or damaged tools.
☐ True or ☐ False
True and False
70. For best results and long tool life, each tool used must be cleaned and checked before placing it back into the toolbox.
☐ True or ☐ False
Multiple Choice question. Select the correct answer.
71. Lockout/tagout practices and procedures are intended to reduce the risk of automotive technicians’ inadvertently using tools, equipment or materials that have been determined to?
A. Be unsafe or potentially unsafe.
B. That are in the process of being serviced.
C. Both “Be unsafe or potentially unsafe” and “That are in the process of being serviced”. D. Neither “Be unsafe or potentially unsafe” and “That are in the process of being serviced”.
True and False
72. Disposing of excess hydraulic oil, can be dispose into their correct sealed recycling drum. ☐ True or ☐ False
True and False
73. Second-hand suspension and steering components that are in good condition can be reused on the other similar vehicle?
☐ True or ☐ False
Multiple Choice question. Selected the correct answer.
74. Which source of information will give you the most detail about diagnosing faults in suspension and steering systems on the vehicle you are working on?
A. Workshop manual.
B. Owner’s manual.
C. Google.
D. Textbooks.
75. You are diagnosing steering system fault 2008 Mitsubishi Pajero and carrying out a power steering pressure test. Referring to the 2008 Mitsubishi Pajero Steering Workshop Manual, locate and interpret the oil pump pressures specification for the following:
Oil Pump Relief Pressure:
Pressure Under No-load Conditions:
Steering Gear Retention Hydraulic Pressure:
Leave A Comment