aureth 130

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Electrical Engineering

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D AUSTRALIA A% INSTITUTE DREAM | SEEK | ACHIEVE www.skillsaustralia AURETR130 DIAGNOSE AND REPAIR STARTING SYSTEMS ASSESSMENT 2 - SHORT ANSWER QUESTIONS FEEDBACK COVER SHEET STUDENT NAME STUDENTID ASSESSOR . NAME Ken Hilson BENCHMARK REQUIREMENTS MET EVIDENCE COLLECTED ot 2nd d 15t Attempt Attempt 374 Attempt o Answers to Knowledge Questions ] 0 O | O O Satisfactory | Satisfactory | LSatisfactory OUTCOME [INot [1Not [1Not Satisfactory Satisfactory | Satisfactory DATE [ 120 [ 120 [ 120 ASSESSOR INITIAL | FEEDBACK TO STUDENT ASSESSOR FI‘:]L'IE_ e SIGNATURE OUTCOM | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 | CRICOS Code: 03548F [Version: 1.2 [Approved on: 18 Jul 2022 | Review Date: 18 Jul 2027 Page 1 of 11

D AUSTRALIA A% INSTITUTE DREAM | SEEK | ACHIEVE www.skillsaustralia Student Guide for Written Knowledge Assessment Overview of This is a written assessment task you will be assessed on your knowledge of Assessment diagnosing and repairing starting systems. The topics that will be covered in the assessment are: 1. Prepare to diagnose and repair starting system 2. Diagnose starting system 3. Repair starting system 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. e Your Assessor will use the assessment criteria in this document and will provide feedback / comment. e You MUST answer all the questions in the assessment tasks in your own words. o This is an “Open Book” assessment, and students can use the resources listed in the “Resources Required” section below. Task/s to be To complete the written assessments, you will need to answer 87 questions in total. assessed Assessment 1 Quiz Questions will be completed using your Canvas account. The assessment has 66 questions comprising of Multiple Choice, True and False and Fill-in the Gap questions Assessment 2 Short Answer Questions will be completed using this document and has 21 Short Answer questions. Time allowed On average, Assessment 1 Quiz Questions and Assessment 2 Short Answer Questions should take 4 — 6 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: - e Methods to locate and interpret information required to diagnose and repair starting systems, including: o Information provided by customers and supervisors o Manufacturer specifications and procedures or equivalent documentation e Workplace procedures required to diagnose and repair starting systems, including: o Establishing 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 - Disposal of excess materials - Recycling procedures | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 ] CRICOS Code: 03548F [Version: 1.2 | Approved on: 18 Jul 2022 | Review Date: 18 Jul 2027 | Page 2 of 11

D AUSTRALIA A% INSTITUTE DREAM | SEEK | ACHIEVE www.skillsaustralia e Workplace health and safety (WHS) requirements relating to dlagnosmg and repairing starting systems, including procedures for: o Using specialised tools and equipment o Using appropriate personal protective equipment (PPE) o Identifying hazards and controlling risks associated with: - Working on high voltage ignition systems - Wearing jewellery while working around high current wiring systems e Operating principles of starting systems and associated components, including: o Producing movement due to the force between magnetic fields o Producing magnetic fields due to current flow through conductors o Basic direct current motor operation, including simple armature, magnetic field and commutator e Purpose and operation of starting systems and components, including: o High current systems, including: o Armmature, commutator, field windings o Starter motor windings, including series wound, shunt wound, and compound wound o Permanent magnet starter motors o Direct drive and reduction-type starter motors e Starting electrical systems, including: o Solenoids o Shift levers o Overrunning clutch flywheel ring gears o Control circuits systems including: - lIgnition switching, including key start, push-button start, remote start and start-stop systems - Safety switches, including inhibitor switches and clutch neutral switches e Diagnostic testing procedures for starting systems, including: o Accessing and interpreting scan tool system data, including: - Diagnostic trouble codes (DTCs) - Live data - Freeze frame data - Waveforms o Using diagnostic flow charts o Testing electrical systems, including procedures for: - Accessing electrical terminals and using test probes without damaging connectors, fuse holders or wiring - Load testing starting systems - Resistance, current flow and voltage drop checks of starting system circuits Solenoid test Field winding tests Armature tests, including using a growler Commutator tests Brushes and holder tests Overrunning clutch and pinion tests Flywheel ring gear tests o Starter motor bench tester operation e Repair procedures for starting systems, including: o Tightening connections o Replacing faulty or damaged cable connections o Removing and replacing faulty or damaged components e Post-repair testing procedures for starting systems, including: o DTC checking procedures o Checking for electrical connector mating o Static and dynamic performance tests of starting systems OO0 OO0 O0OO0 | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 ] CRICOS Code: 03548F [Version: 1.2 | Approved on: 18 Jul 2022 | Review Date: 18 Jul 2027 | Page 3 of 11

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D AUSTRALIA A% INSTITUTE DREAM | SEEK | ACHIEVE www.skillsaustralia Assessment Competency is to be assessed in the workplace or a simulated environment that conditions 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 starting 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: e Automotive repair workplace or simulated workplace o Workplace instructions e Manufacturer specifications for vehicle, vessel or machinery starting systems Two [2] different vehicles, vessels, or machinery with starting system faults Diagnostic equipment for vehicle, vessel or machinery starting systems, including multimeter e Tools, equipment, and materials appropriate for repairing vehicle, vessel or machinery starting systems. Assessors of this unit MUST satisfy the requirements for assessors in applicable vocational education and training legislation, frameworks and/or standards. Resources Learning Resources available to students include: required g e Automotive Technology (A System Approach) 7th Edition — Chapters 2, 5, 6, 7,16 & 18 o Websites — e Trainer Handouts Results/Re- e The Assessor will grade the assessment and record the result on the front assessment page of this document. (S) Satisfactory if all questions are correct and (NS) Not Satisfactory if any questions are left incorrect. e Feedback will be provided on either result. e Where a student receives a ‘NS Not Satisfactory’ result, the assessor will discuss the questions that are incorrect, and an opportunity given for re- assessment. e Students are provided with 3 attempts for the knowledge questions. Reasonable If the participant is unable to undertake the written assessment as designed, an Adjustment interview (verbal questioning) may be used as an alternate approach. | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 | CRICOS Code: 03548F | [Version: 1.2 | Approved on: 18 Jul 2022 | Review Date: 18 Jul 2027 | Page 4 of 11

D AUSTRALIA A% INSTITUTE DREAM | SEEK | ACHIEVE www.skillsaustralia Assessment 1 — Questioning Written Assessment Q1. What four [4] important items of personal safety equipment (PPE) are worn when diagnosing and repairing starting systems? 1. Safety boots 2. Safety glasses 3. Hearing protective 4. Skin protection Q2. To prevent personal injury or damage to the vehicle, you should always take the necessary precautions before working on or around a vehicle’s electrical system. You should disconnect the battery before disconnecting any electrical wire or component. Why? When disconnecting the battery, there is no short circuit that could damage any electronic system or even cause injury. Q3. Briefly explain how a basic direct current (DC) electric motor works. This simple one uses a stationary set of magnets in the stator and a coil of wire with a current passing through it to generate an electromagnetic field aligned with the center of the coil. Q4. What is the purpose of the field coils (windings) and pole shoes? | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 | CRICOS Code: 03548F | [Version: 1.2 |Approved on: 18 Jul 2022 [ Review Date: 18 Jul 2027 | Page 5 of 11 |

D AUSTRALIA A% INSTITUTE DREAM | SEEK | ACHIEVE www.skillsaustralia the pole carries the field winding, thus generating the flux that is directed through the air gap to the armature core and to the other pole. the polar shoe increases the area to help with the flow that is necessary to generate the induced thrust Q5. How does the design of a permanent magnet starting motor differ from on designed with electromagnets? Electromagnets are distinguished from permanent magnets by their ability to generate magnetic fields when electric current flows through them. In contrast, permanent magnets are as the name suggests, permanently magnetised. They do not need an electric current to generate magnetism Q6. Identify the six [6] basic components of a typical starting system. 1. Battery 2. Starer motor 3. solenoid 4. Ignition switch 5. Neutral Safety Switch 6. Starter Relay | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 | CRICOS Code: 03548F | [Version: 1.2 |Approved on: 18 Jul 2022 [ Review Date: 18 Jul 2027 | Page 6 of 11 |

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D AUSTRALIA A% INSTITUTE DREAM | SEEK | ACHIEVE www.skillsaustralia Q7. When the driver turns the ignition switch ON, and the solenoid plunger moves, what does the shift fork or shift lever do? After the solenoid receives voltage, the yoke pushes the starter motor pinion to mesh with the ring gear on the starter motor. Q8. How does a ‘Key Start’ ignition switch operate in the control circuit? When we turn the key, the voltage from the battery is activated and sent to the ignition coil which produces the spark for the engine spark plugs. Q9. Many newer vehicles have eliminated the traditional key and ignition switch and instead use push button start and a smart key. What is the push button start and how does it operate? This system uses a low frequency signal that is sent to the responsible system, which validates the correct signal and allows the driver to Press the button on the dashboard to start the engine. Q10. Explain what ‘Stop/Start’ is regarding the vehicle starting system? These systems automatically shut off and restart the engine when idling to reduce fuel consumption and emissions. | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 ] CRICOS Code: 03548F [Version: 1.2 | Approved on: 18 Jul 2022 | Review Date: 18 Jul 2027 | Page 7 of 11

D AUSTRALIA A% INSTITUTE DREAM | SEEK | ACHIEVE www.skills ralia Q11. The safety switch used with an automatic transmission is normally called a park/neutral position or inhibitor switch. Explain how park/neutral position or inhibitor switch operates. gearshift and the engine itself. It prevents the car from starting while it is in gear (D or R) so that the engine does not jerk and damage the Q12. Referring to the 2007 Toyota FJ Cruiser “Starting System” Workshop Manual fitted with an automatic transmission. The vehicle has logged a DTC P0617 Starter Relay Circuit High, what are the four [4] trouble areas that could cause this DTC to log and illuminate the MIL light ON? 1. ECM 2. Starter relay circuit 3. lIgnition switch 4. Clutch start switch the scan tool? Q13. Referring to the 2007 Toyota FJ Cruiser “Starting System” Workshop Manual. The vehicle has logged a DTC P0617 Starter Relay Circuit High. You need to connect the Scan Tool and check Freeze Frame Data for DTC P0617 Starter Relay Circuit High and PID value for STARTER SIG. What PID value for STARTER SIG does the workshop manual say you should see displayed on Ignition Switch Position ON START (PID) STARTER SIG OFF ON | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 | CRICOS Code: 03548F [Version: 1.2 [Approved on: 18 Jul 2022 | Review Date: 18 Jul 2027 Page 8 of 11

v AUSTRALIA INSTITUTE DREAM | SEEK | ACHIEVE www.skillsaustralia.edu.au Referring to the diagnostic flow chart below, answer the following three questions. NO CRANKING, NO SOUND FROM SOLENOID STEP ACTION VALUE(S) YES NO 1 Turn headlamps and dome lamps on, tumn ignition to | Lamps dim Go to Step 2 Go to Step 3 start position. 2 1. Check battery Is 9.6 volts Go to Step 7 Test battery. present? 2 2. Charge battery If OK repair starter 3. Check generator motor. 4. Check current draw 5. Check cranking voltage at battery posts 3 6. Turn on radio. Operate OK Go to Step 4 Goto Step 6 4 7. Check voltage at solenoid switch terminal 50. Is7.0 VC;[;S Repair starter Goto Step 5 presen 5 8. With key in start position, check at ignition | Is 7.0 volts Repair wiring Replace ignition terminal 50. present? ignition switch switch starter motor 6 9. Check engine main wiring harness fusible link All OK Go to Step 7 Repair as and ignition connections. necessary and recheck starting system 7 10. Check voltage from engine block to battery | Is 0.5 voits Clean and Go to Step 8 negative terminal, with key in start position or more tighten negative (positive lead on block). present? | cable connection and/or replace cable 8 11. Check cranking voltage at starter ‘B’ terminal. Is8.0 volts | Check fuse and | Clean and tighten present? engine to main positive cable wiring harness connection and/or connectors replace cable Q14. Referring to the diagnostic flow chart above, what should be checked first on this vehicle? Battery Q15. Referring to the diagnostic flow chart above, in step 5, with ignition key in the start position, the diagnostic flow chart says to check voltage at the ignition terminal 50. What voltage do you need to see? 70V Q16. Referring to the diagnostic flow chart above, in step 5, what needs to be replaced if there is NO voltage present at terminal 507? Replace ignition switch | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 | CRICOS Code: 03548F [Version: 1.2 [Approved on: 18 Jul 2022 | Review Date: 18 Jul 2027 | Page 9 of 11

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77 SKILLS® D AUSTRALIA A® INSTITUTE DREAM l SEEK | ACHIEVE www.skillsaustralia.edu. Q17. Explain what test is being carried out in the image below? Continuity Q18. With a starter motor removed from the vehicle, how is the overrunning clutch inspected? Turn the pinion gear clockwise and check that it rotates freely. Check if it locks turning the pinion gear counterclockwise. If necessary, replace the clutch assembly | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 | CRICOS Code: 03548F | [Version: 1.2 |Approved on: 18 Jul 2022 [ Review Date: 18 Jul 2027 | Page 10 of 11 |

D AUSTRALIA A% INSTITUTE DREAM | SEEK | ACHIEVE www.skillsaustralia Q19. Describe the procedure to conduct a free speed or no-load teste on a starter motor with the starter motor removed from the vehicle? 1. Using an ohmmeter, check that there is continuity between thesegments of the commutator.If there is no continuity between any segment, replace the ar-mature 2. Inspect clutch pinion gearrotate the pinion gear clockwise, and check that it turns freely.check that it locks by rotating the pinion gear counterclockwise. if necessary, replace the clutch assembly 3. Using an ohmmeter, check that there is continuity between ter-minal 50 and the switch body.If there is no continuity, replace the magnetic switch. Q20. What should you follow when removing and refitting any starter motor assembly or other starting system components? Make sure the ignition is off and remove the battery cables. Remove the positive cable from the starter motor. Disconnect all bolts securing the starter motor to the block. Q21. You are diagnosing a starting system fault on a 2004 Toyota Land Cruiser and replacing the starter motor. Referring to the 2004 Toyota Land Cruiser Starting Workshop Manual, locate and interpret the starter motor mounting bolts torque specification for the following: e Starting Motor Mounting Bolts Torque: Torque: 9.3 N-m (95 kgf-cm, 82 in.-Ibf) e Starter Motor Solenoid Wire Nut: Torque: 3.8 N-m (39 kgf-cm, 34 in.-Ibf) This is the end of the document | Document Name: AURETR130 AT2 Knowledge Short Answer Questions | RTO Code: 52010 | CRICOS Code: 03548F | [Version: 1.2 | Approved on: 18 Jul 2022 | Review Date: 18 Jul 2027 | Page 11 of 11 |

aureth 130

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