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Assessment Booklet AURLTZ001 Diagnose and repair light vehicle emission control systems Student Name: Student Number: Intake Date: AURLTZ001 – Diagnose and repair light vehicle emission control...

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Assessment Booklet
AURLTZ001
Diagnose and repair light vehicle emission
control systems

Student Name:



Student Number:



Intake Date:
AURLTZ001 – Diagnose and repair light vehicle emission control systems
systems
Version: 2.0 Page 2 of 34
Created: Feb 2019 Last Review: July 2020
Central Australian Institute of Technology Pty Ltd | CRICOS: 03217C |TOID: 22302
ASSESSMENT COMPETENCY RECORD

This form is to be completed by the assessor and used as the final record of the student competence in these
disciplines. All student submissions including any associated documents and checklists are to be attached to this cover
sheet before placing on the students file.
Student results are not to be entered onto the Student Database unless all relevant paperwork is completed and
attached to this form.
Student ID
Final Assessment
Submission Date
Student Name
Assessor Declaration
In completing this assessment, it is confirmed that the participant has demonstrated all unit outcomes through consistent and
epeated application of skills with competent performance.
Evidence is confirmed as:
Please tick the appropriate boxes for result.
 Valid  Sufficient  Cu
ent  Authentic
Please attach the following documentation to this form Result FINAL ASSESSMENT
RESULT:
 Competent (C)
 Not Yet Competent
XXXXXXXXXXNYC)
Assessment Task 1  Written/ ve
al questions  S/  NS
Assessment Task 2  Observation/ Practical demonstration  S/  NS
Final Feedback:










XXXXXXXXXXDO NOT SIGN BELOW UNTIL FINAL ASSESSMENTS RESULT IS GRANTED BY THE ASSESSOR.
Assessor: I declare that I have conducted a fair, valid, reliable and flexible
assessment with this student, and I have provided appropriate feedback.
Signature:
Name:
Date: / /
Student: I declare that I accept the assessment competency outcome and consider
the feedback of my assessor positively. I also declare that the work submitted is my
own and has not been copied or plagiarised from any person or source.
Signature:
Date: /
Administrative use only:

Entered into Student Management Database

 Signature/Initial Date:
AURLTZ001 – Diagnose and repair light vehicle emission control systems
systems
Version: 2.0 Page 3 of 34
Created: Feb 2019 Last Review: July 2020
Central Australian Institute of Technology Pty Ltd | CRICOS: 03217C |TOID: 22302
Unit Code/Name AURLTZ001 Diagnose and repair light vehicle emission control systems
Pre-requisites N/A
Co-requisites N/A
Unit Summary This unit describes the performance outcomes required to diagnose and repair faults in the emission
control systems of light vehicles. It involves preparing for the task, selecting the co
ect diagnostic
procedure, ca
ying out the diagnosis and the repair, performing post-repair testing, and completing
workplace processes and documentation.
It applies to those working in the automotive service and repair industry. Emission control systems
include those in light vehicles, light commercial vehicles, marine vessels or motorcycles. This unit does
not apply to agricultural vehicles, heavy commercial vehicles or mobile plant machinery.
No licensing, legislative, regulatory or certification requirements apply to this unit at the time of
publication.
Conditions
and context of
the
assessments
This assessment will be conducted in the CAC classroom or simulated workplace environment.
Address of actual designated workplace if different from CAC venue:
……………………………………………..
……………………………………………..
Assessors must satisfy NVR/AQTF assessor requirements.
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 basic electrical circuits they have tested and repaired, e.g. repair orders.
Assessors must verify performance evidence through questioning on skills and knowledge to ensure
co
ect interpretation and application.
The following resources must be made available:
 automotive repair workplace or simulated workplace
 workplace instructions
 manufacturer light vehicle emission control system specifications
 two different light vehicles with emission control systems specified in the performance evidence
 diagnostic equipment for petrol or diesel light vehicle emission control systems, including
exhaust gas analyser
 tools, equipment and materials appropriate for repairing petrol or diesel light vehicle emission
control systems.
Specific Resources
Required
 Learner Guide / Handouts / Text Book
 CAC Assessment Booklet
 Automotive repair workplace or simulated workplace
 Workplace instructions
 manufacturer light vehicle manual transmission specifications
 two different light vehicles with faults in the manual transmission components specified in the
performance evidence
 diagnostic equipment for light vehicle manual transmissions
 tools, equipment and materials appropriate for repairing light vehicle manual transmissions.
Re-assessment To gain competency you need to get Satisfactory (S) result in all the tasks. If Not Satisfactory (NS) result
is given even for a task you will be deemed Not Yet Competent (NYC). Students who are unsuccessful
at achieving competency at the first attempt will be offered coaching, information and additional time
(other needs if required) before a second and possibly a third attempt is made. If the student is not able
to satisfactorily complete the assessment after the third attempt the student will be deemed Not
Competent and resulted as such. The student may re-enrol in the qualification at a later date to gain
successful completion of the unit/s.
For further details, refer to CAC Assessment Policy and Procedure. https:
cac.edu.au/policies-and-
procedures/
Plagiarism CAC considers plagiarism and cheating as serious student misconduct, and this may result either in a
student’s exclusion from a unit or course or may have to complete a re-assessment depending on
individual case. Refer to CAC Plagiarism & Cheating Policy and Procedure.
https:
cac.edu.au/policies-and-procedures/
https:
cac.edu.au/policies-and-procedures
https:
cac.edu.au/policies-and-procedures
https:
cac.edu.au/policies-and-procedures
https:
cac.edu.au/policies-and-procedures
AURLTZ001 – Diagnose and repair light vehicle emission control systems
systems
Version: 2.0 Page 4 of 34
Created: Feb 2019 Last Review: July 2020
Central Australian Institute of Technology Pty Ltd | CRICOS: 03217C |TOID: 22302

Complaints
and appeal
Where a student wishes to appeal an assessment decision, they are required to notify their assessor in
the first instance. Where appropriate the assessor may decide to re-assess the student to ensure a fair
and equitable decision is gained. The assessor shall complete a written report regarding the re-
assessment outlining the reasons why assessment was or was not granted. Refer to CAC Complaints
and Appeals Policy & Procedure for details available at https:
cac.edu.au/policies-and-procedures/
Assessors Intervention Assessors are to check that the student is ready for assessment and defer the assessment if they are not.
It is important that assessors do not teach at the assessment but allow students to competence for
themselves.
Feedback is to be given at the completion of the assessment using the feedback to student. If a student
does not meet a standard, the assessor is to sit down with them and assist them in their understanding.
Should you disagree with the assessment outcome, you can appeal the decision as stated in the Student
Handbook.
Your student record must indicate that you have all required skills and knowledge in completing the
task. For each assessment, the assessor is to act as a supervisor and not interfere with the assessment.
In the event that the assessment activities will impact on your safety or that of others, the assessment
must be stopped immediately.
Attaching
documents
Attached documents are accepted but must be labelled with the following information:
Unit Name and Title, Students name, Student ID, Date of Submissions, Student signature.
Assessment
Instruction
Assessment is mapped to the unit and must be completed by the end of each unit. For answers to
written questions, reports and projects, you must:
 Print clearly in black or blue pen or type it as a word document
 Answer each of the key points and /or follow instructions
 Assessments written in pencil or are illegible will not be accepted.
Please attach the assessment booklet along with your assessment task for submission.
Ask your assessor if you do not understand any part of the assessment. Whist your assessor cannot tell
you the answer, he/she may be able to re-word a question or instruction to assist in a better
understanding for you.
Assessment Task 1:
Q&A - This is a questions and answers assessment over time. The assessor must provide students with
sufficient information to complete this assessment over the duration of the full day training session or
at a seating time of XXXXXXXXXXminutes.
Assessment Task 2:
For the observation, students will diagnose and repair emission control systems on 2 different light
vehicles given by Traine
Assessor. Students should collect information from appropriate workshop
manuals (hardcopy or online) of the systems and also demonstrate the task required.
Competency Decision
Student must satisfactorily complete each assessment tasks to be Competent (C) in the unit. Student
with unsatisfactory completion of any of the assignment tasks will be deemed Not Yet Competent
(NYC).
Reasonable adjustment
To meet the needs of all learners’ adjustments can be made to the way assessments are conducted but not to the requirements of
the assessment. The purpose of these adjustments is to enhance fairness and flexibility so that the specific needs of students can
e met.
CAC will take meaningful, transparent and reasonable steps to consult, consider and implement reasonable adjustments for
students with disability and learning difficulties.
https:
cac.edu.au/policies-and-procedures
AURLTZ001 – Diagnose and repair light vehicle emission control systems
systems
Version: 2.0 Page 5 of 34
Created: Feb 2019 Last Review: July 2020
Central Australian Institute of Technology Pty Ltd | CRICOS: 03217C |TOID: 22302
Reasonable adjustment provided Reason for reasonable adjustment Outcome
 Educational and bilingual
support
 Presenting questions orally
 Presenting work instructions in
diagrammatic or pictorial form
instead of words and sentences
Answered Same Day Oct 05, 2021 AURETR023 Training.Gov.Au

Solution

Himanshu answered on Oct 12 2021
160 Votes
1.
2. Always be aware of the nearness of high-voltage lines or circuits.
Use ru
er gloves where applicable and stand on approved ru
er matting. Not all so-called ru
er mats are good insulators.
Always discharge the high voltage from components or terminals by using a safety probe.
When removing spark plug wires from any ignition system, be careful of the hot exhaust manifolds or the headers.  Make sure the engine has cooled down before removing wires and spark plugs.
3. Internal combustion engines (ICE) are the most common form of heat engines, as they are used in vehicles, boats, ships, airplanes, and trains. They are named as such because the fuel is ignited in order to do work inside the engine.[1] The same fuel and air mixture is then emitted as exhaust. This can be done using a piston (called a reciprocating engine), or with a tu
ine.
4. Cylinder blocks are normally made of cast iron or aluminum alloy. The aluminum block is much lighter. 
5. A combustion chamber is that part of an internal combustion engine in which the fuel/air mix is burned. For steam engines, the term has also been used for an extension of the firebox which is used to allow a more complete combustion process.
6.
7.
8. A four-stroke cycle engine is an internal combustion engine that utilizes four distinct piston strokes (intake, compression, power, and exhaust) to complete one operating cycle. The piston make two complete passes in the cylinder to complete one operating cycle.
9. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the crankshaft. The connecting rod is required to transmit the compressive and tensile forces from the piston, and rotate at both ends.
10. It typically consisting of 2-5 rings depending upon engine type and specification. Usually, 2-4 compression rings are provided to seal the gases from the combustion chamber, and 1-3 oil-control rings are provided to excess avoid oil ingress in the combustion chamber.
11. The compression rings are located in the first grooves of the piston. However, this may differ according to the design of the engine. The primary function of these rings is to seal the combustion gases and transfer heat from the piston to the piston walls.
12. When the camshaft is mounted in the engine block, long pushrods operate the rocker arms which in turn open the valves. ... As the crankshaft rotates, each valve is opened by means of a tappet, pushrod and rocker arm. The valve is closed by spring pressure.
As the crankshaft rotates, each valve is opened by means of a tappet, pushrod and rocker arm. The valve is closed by spring pressure. The camshaft drive-chain sprocket has twice as many teeth as the crankshaft sprocket, so that the camshaft rotates at half engine speed.
15. Diesel engines do not use a throttle body and instead rely on increasing fuel volume in the combustion chamber in relation to throttle position to control engine speed. Newer diesel engines are starting to use a valve on the intake manifold to control EGR and help with smoother shut...
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