Trinity Institute Australia

AUR31520 Certificate III in Automotive Diesel Engine Technology

(CRICOS Code: 107279B)


This qualification reflects the role of individuals who perform a range of tasks on a variety of diesel engines and associated systems in the automotive electrical service and repair industry.
Note: this course may involve the need to be able to lift and carry vehicle components


On successful completion of this course students are awarded AUR31520 Certificate III in Automotive Diesel Engine Technology. No licensing applies to this qualification.

Course Duration

Trinity Institute (Australia) will deliver this qualification over 52-weeks: 40 weeks of training and assessment and 12 weeks of holidays. Training and assessment occurs over 20 hours per week during terms. It is recommended that students spend an additional 5 hours per week on study, research, practice and assessment preparation.


Trinity Institute (Australia) campus at:

  • Level 1, 43 Hunter Street, Parramatta NSW 2150
  • Level 5, 770 George Street, Sydney NSW 2000
  • Suite 12, 100 George Street, Windsor NSW 2756

Automotive workshop address:

  • 62 Tattersall Road, Kings Park NSW

Recognition Of Prior Learning

Credit and RPL are available to students with prior skills, experience, knowledge, or qualifications obtained from formal studies or training, in a related area. Recognition may reduce the duration of this course.

Please contact Team Trinity for current course fees.

Payment terms and conditions are included in the International Student Handbook. Additionally a detailed payment plan and payment arrangements are provided in the letter of offer and written agreement which is provided to the student for their review and agreement prior to acceptance into the course. The agreement also includes details of additional fees and charges, which may be applicable.

International students are also required to take out Overseas Health Insurance Cover before arriving in Australia. Trinity Institute (Australia) provides details of OSHC providers in the International Student Handbook.

Additional costs associated with living in Australia are outlined in the International Student Handbook. Students should carefully review these costs in relation to budgeting. Further information can be found at

Entry into this program requires International Students to fulfil requirements as listed below::

  • Must be 18 years of age or over.
  • Completed year 12 (or equivalent); or
  • A Certificate III qualification or equivalent or above
  • Minimum 5.5 IELTS academic score or equivalent.

NOTE: Trinity Institute (Australia) conducts an entry interview with all prospective students to confirm details and ensure the course selected is the most appropriate for their needs.
NOTE: International students are required to hold Overseas Student Health Insurance cover for the duration of the course.

Delivery Methods And Assessments

This course is conducted with a blended learning model that includes face-to-face learning in classrooms and in automotive workshops, interactive online/distance learning, and vocational placement.

Assessments are conducted using a variety of methods. At the beginning of each unit you will receive details of assessment tasks to be completed. Class sessions are planned to ensure that students have a mixture of practical and theoretical components and those classes cater for a wide variety of learning styles. Workplace practices and environments are simulated within our fully functioning automotive workshops, which are also used to conduct skills based assessments.

Pathways For Students:

After achieving this qualification, graduates may choose to undertake AUR40216 Certificate IV in Automotive Mechanical Diagnosis. No licensing applies to this qualification.

Possible Job Titles:

  • Diesel engine repairer

Course Outline
To attain this qualification, 28 units of competency must be successfully completed.

The course structure is as follows:
Term 1

  • AURAEA002 – Follow environmental and sustainability best practice in an automotive workplace
  • AURAFA103 – Communicate effectively in an automotive workplace
  • AURTTA118 – Develop and carry out diagnostic test strategies
  • AURTTK102 – Use and maintain tools and equipment in an automotive workplace
  • AURASA102 – Follow safe working practices in an automotive workplace
  • AURETR112 – Test and repair basic electrical circuits
  • AURETR125 – Test, charge and replace batteries and jump-start vehicles

Term 2

  • AURETR028 – Diagnose and repair instruments and warning systems
  • AURETR132 -Diagnose and repair automotive electrical systems
  • Diagnose and repair electronic body management systems
  • AURTTA105 – Select and use bearings, seals, gaskets, sealants and adhesives
  • Inspect and service engines

Term 3

  • AURTTF102 – Inspect and service diesel fuel injection systems
  • AURTTK001 – Use and maintain measuring equipment in an automotive workplace
  • AURLTJ113 – Remove, inspect, repair and refit light vehicle tyres and tubes
  • Diagnose and repair light vehicle drive shafts
  • Diagnose and repair light vehicle final drive assemblies

Term 4

  • AURTTA104 – Carry out servicing operations
  • Diagnose and repair compression ignition engine management systems
  • AURETR129 – Diagnose and repair charging systems
  • Diagnose and repair starting systems

Term 5

  • AURTTM008 – Dismantle and evaluate engine blocks and sub-assemblies
  • AURTTM011 – Recondition engine cylinder heads
  • AURTTM004 – Assemble engine blocks and sub-assemblies

Term 6

  • AUTTA009 – Carry out mechanical pre-repair operations
  • Diagnose and repair heavy vehicle compression ignition engines
  • AURHTF102 – Diagnose and repair heavy vehicle diesel fuel injection systems


At Trinity Institute (Australia), we are driven by our goal to empower our students to meet their full potential. We aim to do so by providing an effective learning environment that challenges and stimulates the minds of our students. We have found that learning is more effective when students enjoy themselves.


A college may be an academic entity, but its responsibilities go far beyond studies. Trinity Institute (Australia) recognises this, and endeavours to ensure that each and every student has the opportunity to develop themselves and become well-rounded individuals in the professional world. Our commitment to achieving this is evident in the strong work ethic of our teaching staff, our cultural mix and our emphasis on personal and academic development. We value the diverse background of our learners and demonstrate this in our teaching, curriculum and services.

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