Certificate IV in Automotive Electrical Technology

This qualification covers the skills and knowledge required to service, diagnose and repair electrical systems and components as a master diagnostic technician on vehicles in the automotive service and repair industry. A range of advanced electrical diagnostic skills and knowledge is necessary and leadership and supervision of others would be expected.

Job roles and employment outcomes

The Certificate IV in Automotive Electrical Technology is a post-trade level qualification in the automotive body repair industry.

It is designed for a master diagnostic technician and covers a range of specialised functions in the electrical repair industry.

Job roles related to this qualification include:

automotive electrical workshop manager or service manager

automotive workshop technical service adviser

automotive master diagnostic technician.

This qualification is suitable for an Australian apprenticeship pathway.


To be awarded this qualification, competency must be demonstrated in 10 units of competency, consisting of:

1 core unit


9 elective units, of which:

up to 9 electiveunits may be chosen from the elective units listed below

up to 3 elective units may be chosen from a Certificate III qualification or above in this Training Package or another endorsed Training Package or accredited course, provided that the units chosen contribute to the vocational outcome of this qualification and do not duplicate the outcome of another unit chosen for the qualification.

Core units

Unit code

Unit title

Mechanical Miscellaneous Technical


Carry out diagnosis of complex system faults

Elective units

Unit code

Unit title


Common Foundation Skills


Prepare technical reports


Develop and document specifications and procedures

Common Information Technology


Adapt work processes to new technologies

Common Loss Assessment or Repair Quoting


Prepare a vehicle repair quotation

Common Quality


Inspect technical quality of work


Maintain quality systems

Common Technical


Provide technical guidance


Estimate complex jobs

Electrical Technical Brakes


Repair electric braking systems

Electrical Technical Hybrid Vehicle and Battery Electric Vehicle


Depower battery electric vehicles


Service and maintain battery electric vehicles



Test and repair high voltage battery systems in battery electric vehicles



Diagnose and repair traction motor speed control device in battery electric vehicles



Diagnose and repair high voltage traction motors in battery electric vehicles



Diagnose and repair auxiliary motors and associated components in battery electric vehicles



Diagnose and repair system instrumentation and safety interlocks in battery electric vehicles



Diagnose and repair high voltage cabin heating and cooling systems in battery electric vehicles



Diagnose and repair DC to DC converters in battery electric vehicles



Test high voltage batteries in hybrid electric vehicles



Deactivate and reinitialise power supply in hybrid electric vehicles


Service and maintain electrical components in hybrid electric vehicles



Diagnose complex faults in battery electric and hybrid electric vehicle systems

Electrical Technical Electrical and Electronic


Demonstrate knowledge of petrol and diesel engine operation


Test, charge and replace batteries


Diagnose complex electrical and electronic faults in vehicle convenience and entertainment systems


Diagnose complex electrical and electronic faults in light vehicle safety systems


Diagnose complex faults in motorcycle electrical and electronic systems


Diagnose complex electrical and electronic faults in light vehicle theft deterrent systems


Diagnose complex electrical and electronic faults in vehicle monitoring and protection systems


Develop and apply electronic systems modification


Develop and apply electrical systems modification

Electrical Technical Air Conditioning and HVAC


Diagnose and repair air conditioning and HVAC systems


Retrofit and modify air conditioning and HVAC systems


Diagnose complex faults in air conditioning and HVAC systems


Overhaul air conditioning system components

Mechanical Miscellaneous Environment


Manage environmental compliance in the mechanical repair industry

Mechanical Miscellaneous Loss Assessment or Repair Quoting


Estimate and calculate costs to repair, maintain or modify a vehicle

Mechanical Miscellaneous Technical


Diagnose complex faults in vehicle electric-over-hydraulic systems


Carry out vehicle safety and roadworthy inspections

Mechanical Miscellaneous Technical Alternative Fuels


Install LPG, CNG and LNG electrical control equipment

Imported Units

add topic BSBLED401A

Develop teams and individuals

add topic BSBINN301A

Promote innovation in a team environment

add topic BSBWHS401A

Implement and monitor WHS policies, procedures and programs to meet legislative requirements

add topic BSBWOR301B

Organise personal work priorities and development

add topic TAEDEL301A

Provide work skill instruction

add topic TAEDEL404A

Mentor in the workplace


    Pathways into the qualification

    Credit may be granted towards this qualification by those who have completed AUR30312 Certificate III in Automotive Electrical Technology in this Training Package or other relevant qualifications.

    Pathways from the qualification

    Further training pathways from this qualification include AUR50112 Diploma of Automotive Management or other relevant qualifications.

Entry Requirements

Entry requirements

Those undertaking Certificate IV in Automotive Electrical Technology are required to have completed an automotive AUR30312 Certificate III in Automotive Electrical Technology or be able to demonstrate equivalent competency.

Licensing Information

There are no specific licences that relate to this qualification. However, some units in this qualification may have licensing or regulatory requirements, depending on the work context. Local regulations should be checked for details.

Employability Skills


The following table contains a summary of the Employability Skills as identified by the automotive industry for this qualification. The Employability Skills facets described here are broad industry requirements that may vary depending on qualification packaging options.

Employability Skill

Industry/enterprise requirements for this qualification include:


understanding input from specialist personnel and technical representatives

providing guidance to others and clearly describing faults, problems and repair requirements

negotiating with other team members or supervisors regarding timing and progress of work activities and access to equipment

understanding and interpreting regulations, procedures, instructions and repair manuals

interpreting wiring diagrams and system schematics, and reading drawings relating to repair activities

using computers to obtain technical data and complete documentation

articulating complex ideas clearly

interpreting a range of complex and technical documents

analysing and evaluating records, reports and reference materials

understanding relevant definitions, terminology, symbols and language


performing tasks as an individual while being responsive to supervisors and others

working effectively with others who may be of different ages, gender, race, religion and political persuasions

assisting other team members with tasks and providing advice on work processes and troubleshooting

seeking expert advice where appropriate

supporting team members in developing skills and knowledge

working in own role to support team activities

identifying and using the strengths of other team members

Problem solving

identifying problems in a timely manner and developing practical solutions to problems or faults not fully covered by technical data

responding to emergencies or accidents according to regulatory and organisational requirements

identifying possible solutions for improving environmental and resource-efficient work practices

using mathematical techniques to relate diagnostic/test results to system or component performance and converting values between systems of measurement

finding, analysing and interpreting data that may be incomplete or have discrepancies

diagnosing customer service complaints and taking steps to improve the service

applying a range of problem-solving strategies

seeking information from various sources to determine the cause of the problem

Initiative and enterprise

adapting to new situations that arise as a consequence of regulatory changes, revised technical data, practices and procedures

varying work practices and behaviour as a result of performance feedback from peers and supervisors

adapting competencies to the performance of a wide range of repair tasks

contributing to a process of continuous improvement and a willingness to support and participate in the effective introduction of new work practices

identifying learning opportunities to improve work practices

evaluating tasks to improve efficiency

promoting environmental and resource-efficient work practices

Planning and organising

clarifying task objectives and required outcomes through discussion with supervisors and other team members

collecting, analysing and organising information relating to assigned repair tasks and confirming the purpose and required work outcomes

identifying and organising equipment and material or resource requirements

planning for contingencies


accepting responsibility for managing individual workload to meet target completion times or fit in with team milestones

evaluating own performance and identifying areas for improvement

managing time to independently complete tasks

planning and reviewing own work

using judgement and discretion with confidential information


taking advantage of learning opportunities that arise internally and externally

adapting competencies to accommodate new ideas and techniques

using feedback from supervisors and peers to identify ways in which competence can be improved

participating in professional networks and associations to obtain and maintain skills and knowledge

seeking out and learning new ideas, skills and techniques


operating diagnostic and test equipment

performance testing components, systems and equipment

using tools and equipment efficiently and safely

storing and caring for components, parts, tools, test equipment and support equipment

using computers and microfiche to obtain technical and repair data

using business technology to collect, analyse and provide information