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 | AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
| Assessment 1 – Questioning – Written Assessment | |||||||
| Student Name | Student ID Number | ||||||
| Unit Start Date | Unit End Date | ||||||
| Assessment Due Date | Date Submitted | ||||||
| This cover sheet is to be completed by the student and assessor and used as a record to determine student competency in this assessment task | |||||||
| The assessment process and tasks were fully explained. | Yes / No | ||||||
| I am aware of which evidence will be collected and how. | Yes / No | ||||||
| I am aware of my right to appeal an assessment decision. | Yes / No | ||||||
| I am aware that I can locate The RTO Complaints and Appeals Policy and Procedure on their website at (Insert Website Link) | Yes / No | ||||||
| I have discussed any additional educational support or reasonable adjustments I require in order to undertake this assessment with the Student Support Services Officer and Trainer / Assessor, (if applicable). e.g. Student Handbook and Access and Equity Policy (Insert Website Link) | Yes / No | ||||||
| I have access to all required resources? | Yes / No | ||||||
| Cheating & Plagiarism Declaration | |||||||
| Student Declaration: In accordance with The RTO Plagiarism Policy, I hereby acknowledge by signing this declaration that I have not cheated or plagiarised any work regarding the assessment tasks undertaken in this unit of competency except where the work has been correctly acknowledged. NOTE: Student MUST sign this prior to submitting their assessments to the assessor | |||||||
| Signature | Date: | ______ / ______ / 20______ | |||||
| Assessment Results | Satisfactory or Not Yet Satisfactory (Please circle the assessment result for this task) | |||
| Feedback to Student – Please provide general feedback on the Student’s performance | ||||
| Student Declaration: – I verify that the work completed is my own and that I was adequately informed of the assessment process prior to commencing this assessment task. | Assessor Declaration: – I verify that I have adequately explained and negotiated the assessment tasks with the student prior to commencing assessment. | |||
| Student Name: | Assessor’s Name: | |||
| Student Signature | Date | Assessor Signature | Date | |
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
| © Aspen Education Group Pty Ltd T/A Aspen College| RTO Code: 45482| CRICOS Code: 03753A | Page Sequence: | Page 1 of 21 | |||
| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
| Student Guide for Written Knowledge Assessment | |
| Overview of Assessment | This is a written assessment task you will be assess on your knowledge of diagnosing complex faults in light vehicle steering and suspension systems. The topics that will be covered in the assessment are: 1. Identify and confirm the work requirement 2. Prepare to diagnose complex faults 3. Apply diagnostic procedures 4. Complete work processes This assessment will ensure that the elements, performance criteria, performance evidence and knowledge evidence required, and conditions are adhered to demonstrate competency in this unit assessment task. ∙ Read the assessment carefully before commencing. ∙ Your Assessor will use the assessment criteria in this document and will provide feedback / comment. ∙ You MUST answer all the questions in the assessment tasks in your own words and own handwriting. ∙ This is an “Open Book” assessment, and students can use the resources listed in the “Resources Required” section below. |
| Task/s to be assessed | To complete this written assessment, you will need to answer the 75 questions comprising of Multiple Choice, True and False, Fill-in the Gap and Short Answer questions. |
| Time allowed | On average, the Assessment should take 3 – 5 hours to complete. |
| Location | This theory assessment will be completed in a classroom under the supervision of a trainer/assessor. |
| Decision making rules | To receive a ‘satisfactory’ outcome for this assessment, students MUST successfully answer all questions. If a student achieves less than 100%, they can reattempt the assessment after further study has taken place. Students who cannot achieve a minimum of 100% you will not have satisfactorily completed this assessment Your assessor will be looking for the following in this assessment task: – ∙ Methods to locate and interpret information required to diagnose complex faults in light vehicle steering and suspension systems, including: o Light vehicle steering and suspension system manufacturer specifications∙ Workplace procedures required to diagnose complex faults in light vehicle steering and suspension systems, including: o Establishing the serviceability of tools and equipment o Documentation procedures o Housekeeping procedures, including: − Examination of tools and equipment − Storage of equipment − Identification, tagging and isolation of faulty equipment − Safe disposal of materials − Recycling procedures ∙ Workplace health and safety (WHS) requirements relating to diagnosing complex faults in light vehicle steering and suspension systems, including procedures for working with:o Stored energy in springs, air springs and torsion bars o High pressure and high temperature steering system fluids ∙ Environmental requirements, including procedures for trapping, storing and disposing of fluids released from steering and suspension systems ∙ Types of complex faults relating to light vehicle steering and suspension systems, including: |
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
| © Aspen Education Group Pty Ltd T/A Aspen College| RTO Code: 45482| CRICOS Code: 03753A | Page Sequence: | Page 2 of 21 | |||
| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
| o Intermittent o Multi-system o Introduced as a result of system repair o Indirect, caused by the influence of external systems ∙ Types, and key features of light vehicle steering and suspension systems, including:o Hydraulic power assisted steering o Electric power assisted steering o Active suspension o Adaptive suspension ∙ Testing procedures for light vehicle steering and suspension systems, including procedures for: o Vehicle dynamic and static testing o Abnormal noise analysis o Component failure analysis ∙ Types, and key features of diagnostic testing equipment required to diagnose complex faults in light vehicle steering and suspension systems ∙ Procedures for accessing and interpreting scan tool system data, including: o Diagnostic trouble codes (DTCs), including: − Conditions that set the DTCs − Conditions for running DTCs o Live data o Freeze frame data o Waveforms o Vehicle continuous and non-continuous monitored systems | |
| Assessment conditions | Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting. Assessment MUST include direct observation of tasks. Where assessment of competency includes third-party evidence, individuals MUST provide evidence that links them to the light vehicle steering and suspension systems that they have worked on, e.g., repair orders. Assessors MUST verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application. The following resources MUST be made available: ∙ Automotive repair workplace or simulated workplace ∙ Workplace instructions ∙ Manufacturer light vehicle steering and suspension specifications ∙ Three [3] different light vehicles with complex faults in their steering and suspension systems ∙ Steering and suspension system diagnostic equipment ∙ Tools, equipment and materials appropriate for diagnosing complex faults in steering and suspension systems. Assessors of this unit MUST satisfy the requirements for assessors in applicable vocational education and training legislation, frameworks and/or standards. |
| Resources required | Learning Resources available to students include: ∙ Automotive Technology (A System Approach) 7th Edition – Chapters 2, 5, 6, 7, 46 & 47 ∙ Websites – ∙ Trainer Handouts |
| Results/Re assessment | ∙ The Assessor will grade the assessment and record the result on the front page of this document (S) – Satisfactory if all observable behaviours are correct and (NS) not satisfactory if any areas are left incorrect ∙ Feedback will be provided on either result ∙ Where a student receives a ‘NS – Not Satisfactory’ result, the assessor will discuss the |
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
| © Aspen Education Group Pty Ltd T/A Aspen College| RTO Code: 45482| CRICOS Code: 03753A | Page Sequence: | Page 3 of 21 | |||
| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
| area of the non-compliant observable behaviour and an opportunity given for re assessment. This may be through direct observation or a different method of assessment e.g. verbal/oral questioning, problem solving exercise. ∙ If the outcome is again not satisfactory the student result will be deemed (NYC) not yet competent. Additional feedback will be given, and a time agreed upon for further assessment after additional training and skills practice has taken place, this information will be recorded, dated and signed in the re-assessment area on the last page of this document∙ Where all the assessment tasks have been graded (S) Satisfactory, the student will be deemed C – Competent for the practical component and the result recorded and signed in the area indicated on the last page of this document | |
| Reasonable Adjustment | If the participant is unable to undertake the written assessment as designed, an interview (verbal questioning) may be used as an alternate approach. |
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
| © Aspen Education Group Pty Ltd T/A Aspen College| RTO Code: 45482| CRICOS Code: 03753A | Page Sequence: | Page 4 of 21 | |||
| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
| Assessment 1 – Questioning |
| Written Assessment |
1. Identify four (4) important items of personal safety protection or PPE when diagnosing faults on light vehicle steering and suspension systems?
1 protection on the eyes
2 safety on the head
3 protection on the ears (Patel et al., 2021)
4 protecting the hands with gloves
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?
The coil spring uses tremendous pressure on the control arm, whereas it disconnects the control arm and takes the knuckle on the service operation. It contains a spring compressor to have the prevention on flyout and injury (Ye, Huang & Zhang, 2022).
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
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
6. Why must power-steering hoses be carefully routed away from engine exhaust components?
Engine manifolds are needed to be carefully routed away from the hoses. The fluid in the power-steering is flammable and if the engine part contacts with the fluid the under-bonnet fire will increase (Gingarasu et al., 2020).
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 including the protection in the working process on the disposing of the oil.
2 using the sealable container to transfer the steering fluid (Hao, Xie & Xu, 2021).
3 labelling the container and naming it as the “power steering fluid”
4 It also helps to have the professional disposal of the fluid.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
11. What is an intermittent fault?
In the automotive system, the vehicle has faced unpredictable issues known as intermittent problems. The mentioned issues have not occurred on the operating system even under the test drive. This process has a difficult diagnosis that can reduce the problems in the automotive systems (Balaji, & Sugumaran, 2021).
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?
The intermittent faults have the most steering to the suspension on the circuit system that might set the DTC. it includes the multi-system fault introduced to the repair of the systems. DTC is stored on the active integration of the circuits (Jneid, Harth & Ficzere, 2020).
13. Identify various causes of intermittent steering and suspension system electrical faults?
In the discussion on the causes of the intermittent steering along with the suspension system that needs to have the inclusion of the electrical faults, the mechanical changes need to have the temperature, vibration and the physical stress and moisture that can create the changes in the electrical characteristics (Yashina, 2020).
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.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
17. Sagging coil springs will cause what nine [9] customer steering, suspension and other vehicle system complaints?
1 sagging corner 6 control system
2 bounciness 7 warning light
3 tires with uneven wear (Skliros et al., 2019) 8 need to have the load-bearing
4 rattling 9 cost
5 clunking
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 loose power steering belt may cause hard steering intermittently, and this condition requires increased increased steering effort, which reduces driver ___steering effort____________ and convenience. Therefore, one of the first checks when ___diagonosing____________ a power steering system is to __inspect_____________ the belt condition and _____test__________ the belt tension.
20. What is the difference between conventional rack and pinion and electronic rack and pinion steering?
In the discussion on the conventional steering gear that has the pinion gear and the rack in the reverse order. In the analysis of the reduction to friction, the ball nut and the screw have to convert the rotation on the steering wheel that takes the longitudinal movement attached to the ball nut. In the pinion, the rotation by the neck is known to be sector (Vahedi & Jamali, 2022).
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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
_____Electric__________ power steering systems require a steering input ____torque___________ sensor to determine how much electric ____current___________ should be sent to the steering ______assist_________ motor. This torque ______assist_________ uses a small ______torsion_________ bar that is connected between the _____steering__________ column and the _____pinion__________ 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.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
25. Where is the control valve located in a rack-and-pinion power steering system?
The analysis for the “rotary control valve” has been connected to the torsion bar which has the steering shaft. The inclusion of the “rack-and-pinion steering gear” is within the rack gear part of the hydraulic cylinder. This controls the valve that can be connected with the torsion bar with the steering shaft (Skarka et al., 2019).
26. Explain briefly what occurs with a rack-and-pinion power steering when the steering wheel is turned.
The encasement of the rack and pinion gear has been within the metal tube that has stuck out from the tube and is also connected to the axis rod. The attachment of the pinion gear has the steering shaft that can turn the steering wheel with the moving rack and spinning of the gear (Țoțu & Alexandru, 2021).
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.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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 _______suspension________ systems use ____electronic___________ shock absorbers with ______variable_________ valving. In some cases, variable air ______spring_________ rates are used to adapt the vehicle’s ride characteristics to the _____prevailing__________ road conditions or ____driver___________ 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.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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”.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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| AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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 _____pressure_ gauge is used to test the power ___steering____________ pump pressure. Because the _____manual__________ steering pump delivers _____extremely__________ high pressure during this _____test__________, the recommended _____power__________ in the vehicle manufacturer’s service ______procedure_________ 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 _______headphone________ for identifying the exact cause of a ____component__________ in called the ____chassis___________ Ears. This is a wireless ____electronic___________ device that can identify the ________ control_______ of a noise during a ______inductive_________ test. The unit relies on ______noise_________ pickups that clamp on or near the ______road_________ you want to listen to. The device also has a ______source _________ unit with adjustable volume and ____control___________. The value of this tool is that it simply is ____hard___________ to identify the source of a noise while you are _____driving__________.
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 ____activate_ __________ most electronic ________computer_______ system. These can only retrieve DTCs; they may also be able to _______activate________ various actuators in the system. The exact ___procedures____________ and available data from the vehicle’s ____system___________ will vary with manufacturer and the _______suspension________ found on the vehicle. Always refer to the _____correct__________ service information when ____diagnosing___________ 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.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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 | AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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?
Ans) This code may be registered as a defect in the suspension system under a number of different circumstances, including:
- A problem with the front height control sensor.
- A problem with the front height control sensor’s wiring or contacts (Banks & Bone, 2020).
- The front height control sensor’s management control module has an issue.
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.
Ans) This code may be registered as a defect in the suspension system under a number of different circumstances, including:
A problem with the actual shock absorber actuator.
A problem with the actuator for the shock absorber’s wiring or connectors.
A problem with the actuator for the shock absorber control module.
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.
Ans) For the highly automated driving the electric power technology or EPS play a crucial role. The reaction of the torque sharing helps in measuring the reaction for generating force to the obejcetives which also impacts highly in torque (Manca et al., 2021). The main aim of the torque meter is to detect the osseeninf torque meteer and it also effective in tightening screw.
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?
Ans) While monitoring the steering wheel rotation, the speed of the wheel’s rotation will be monitored (Аkhmedov et al., 2021). In the case the wheel is turned 3.2 times, in case of manual steerings and 1.6 times in case of electric power steerings.
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: Issues in the mounted electric motor.
Steering wheel is turned right: Elevates the voltage of signal 1 while decreasing the voltage of signal 2.
Steering wheel is turned left: Incorrect wheel alignment.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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 | AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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?
Ans)
- The diagnostic port on the car should be connected to the scan instrument.
- Don’t start the engine after turning the ignition on (Saibannavar, Math & Kulkarni, 2021).
- Start the scan tool’s diagnostic software.
- Choose “Freeze Frame PID Data” or a comparable option from the menu to retrieve freeze frame PID data.
- To extract the freeze frame information from the car’s computer, adhere to the on-screen instructions (Saibannavar, Math & Kulkarni, 2021).
59. Referring the Additional Information Book and Mazda RX8 Electric Power Steering (EPS) On Board Diagnosis, what are the ‘Active Command PID’?
Ans) In the context of vehicle diagnostics, “Active Command PID” most likely refers to “Active Command Parameter Identifiers,” which are numerical codes used to identify particular features or parameters associated with the Electric Power Steering system (Shafiei, 2022). These codes enable diagnostic instruments to interface with the car’s computer and obtain details about the operation and status of the EPS system.
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.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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 | AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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?
Ans) Often used to highlight a particular moment or activity, a freeze frame is a still image or a single frame from a video or movie that is shown for a long time (Perez-Alvarez et al., 2020). A freeze frame is a frame that has been repeatedly duplicated and played in film and video editing to give the appearance of a static image.
63. What is a waveform library?
Ans) A waveform library is a collection of previously recorded digital waveform samples that may be utilised in sample players, synthesisers, and other electronic music production equipment to create sounds (Shi et al., 2021).
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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 | AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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 _electronic_ sensor and ___adaptive__ control technology have led to a new generation of __computer___ systems. The simplest __systems__ are level control systems that use electronic _continuously_ sensors to __control__ an air compressor linked to air-adjustable shock absorbers.
More advanced _damping_ suspensions are capable of __altering__ shock damping and ride height _input_. Electronic sensors provide __altering__ data to a computer. The computer ___adjusts___ air spring and shock _suspension_ settings to match road and _driving_ 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 ___technician____ must document the __defective__ card. This means that the service technician must ___write___ (or type) what all was done to the vehicle including documenting multimeters components or conditions that were _found_ in the course of the _trouble_. The ___documentation___ is often called “telling the story” and should include the following:
∙ The test diagnostic__ used to diagnose the ___problem__. For example: Used a scan tool to retrieve C15A2/62 Actuator Malfunction diagnostic _clear_ code.
∙ Used a digital _sensor_ to determine a Steering Control unit power circuit was defective. ∙ List what parts or service _operations_ were performed. For example: Replaced the wheel speed wire on R/H/R wheel. Used a scan tool to __clear__ 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.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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 | AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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
67. An automotive technician must adhere to workshop safety guidelines and procedures when using all tools and equipment.
☐ 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
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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 | AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems |
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: in this diagnostic test, the oil pressure relief valve is compelled down against a spring, which results in the oil directly going to the engine from the pump (Fatigati et al., 2020). In the case of diagnosing steering system fault 2008 Mitsubishi Pajero, the oil pump relief pressure diagnostic is likely to show a whining or grind. Moreover, manual results can be found from the diagnostic.
Pressure Under No-load Conditions: It helps in diagnosing lower extreme of the capacity of an engine (Yan, Ge and Quan, 2022). In the case of diagnosing steering system fault 2008 Mitsubishi Pajero, the results is likely to so normal pressure in no load conditions.
Steering Gear Retention Hydraulic Pressure: It comes from the rotary vane pump or gerotor that is driven by the vehicle’s engine. In the case of diagnosing steering system fault 2008 Mitsubishi Pajero, the result is likely to show retention to take place.
| Document Name: | Student Written Knowledge Assessment – AURLTD109 | Created Date: | 01st Dec 2020 | ||
| Document No: | AURLTD109 | Version No: | 1.0 | Last Modified Date: | 21ST Nov 2021 |
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