AURETH103 — Diagnose and repair high voltage rechargeable energy storage systems in battery electric vehicles

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What an assessment for AURETH103 must cover

35 assessable components: 4 elements (18 performance criteria), 1 performance evidence and 10 knowledge evidence requirements, plus 6 foundation skills. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Prepare to diagnose and repair high voltage rechargeable energy storage systems in battery electric vehicle

1.1Identify job requirements from workplace instructions
1.2Identify required information for diagnosis activity
1.3Analyse diagnostic options and source testing strategy to identify cause of fault using workplace and manufacturer procedures
1.4Identify hazards and environmental issues associated with diagnose and repair activity, assess potential risks and implement control measures in line with workplace policies and procedures
1.5Identify tools and equipment required for testing strategy and establish serviceability according to workplace procedures

2 Diagnose rechargeable energy storage systems in battery electric vehicle

2.1Implement diagnostic tests set out in testing strategy according to manufacturer and workplace procedures, and workplace health and safety requirements
2.2Identify cause of fault through analysis of diagnostic test results
2.3Confirm and report cause of fault according to workplace procedures
2.4Develop and report recommendations for necessary repairs according to workplace procedures

3 Repair rechargeable energy storage systems in battery electric vehicle

3.1Identify required information for repair activity
3.2Identify tools, equipment and materials required for repair activity and establish serviceability according to workplace procedures
3.3Isolate RESS service plug or manual service disconnect and depower vehicle HV RESS according to manufacturer specifications
3.4Carry out repairs according to workplace and manufacturer procedures, manufacturer specifications, workplace health and safety and environmental requirements
3.5Reconnect RESS service plug or manual service disconnect and repower vehicle HV RESS
3.6Carry out post-repair testing according to workplace procedures, workplace health and safety and environmental requirements

4 Complete work processes

4.1Conduct final inspection according to workplace procedures and confirm vehicle is ready for use
4.2Clear work area and dispose of or recycle materials according to workplace procedures
4.3Complete documentation according to workplace procedures

Performance evidence

diagnose and repair high voltage (HV) rechargeable energy storage systems (RESS) in at least two different battery electric vehicles (BEVs) to correct at least one of the following performance deficiencies in each: high resistance in an input system, component failure, abnormal or irregular noises.

Knowledge evidence

methods to locate and interpret information required to diagnose and repair high voltage rechargeable energy storage systems in battery electric vehicles, including: information provided by customers and supervisors, Australian Standards (AS) 5732 Electric vehicle operations - Maintenance and repair, manufacturer specifications and procedures
workplace procedures required to diagnose and repair high voltage rechargeable energy storage systems in battery electric vehicles, including: establishing serviceability of tools and equipment, documentation procedures, housekeeping procedures, including: examination of tools and equipment, storage of equipment, identification, tagging and isolation of faulty equipment, disposal of excess materials, recycling procedures
workplace health and safety (WHS) requirements relating to diagnosing and repairing high voltage rechargeable energy storage systems in battery electric vehicles, including procedures for: identifying hazards and controlling risks associated with: working with high voltages in BEV electrical systems, wearing jewellery while working around high electrical currents, determining appropriate procedures for minimising risk associated with hazards, including applying electrical safety precautions when: using personal protective equipment (PPE), including electrical safety gloves with 1000 volt rating and Australian standards rated HV insulating mat, identifying and using firefighting equipment, using the one hand rule, following live system warning tags and signs, depowering vehicle, isolating HV RESS electrical supply, stabilising vehicle electrical system
environmental requirements relating to diagnosing and repairing high voltage rechargeable energy storage systems in battery electric vehicles, including procedures for trapping, storing and disposing of waste produced during repair.
safe operating procedures for tools and equipment, including: digital multimeter with Cat III 1000 volt rating, insulation tester, residual voltage tester, scan tool, oscilloscope
operating principles of high voltage rechargeable energy storage systems in battery electric vehicles, including: battery pack construction, including: battery types, battery internal resistance, battery pack system, including: charging characteristics, open circuit cells, reverse polarisation, series cell configuration, strapping and layout
purpose and operation of high voltage rechargeable energy storage systems in battery electric vehicles and components, including: HV battery charger and direct current (DC) to DC converter, battery management system (BMS), power distribution unit (PDU)
diagnostic testing procedures for high voltage rechargeable energy storage systems in battery electric vehicles, including procedures for: accessing and interpreting scan tool system data, including: diagnostic trouble codes (DTCs), live data, freeze frame data, waveforms, using diagnostic flow charts, electrical system testing, including procedures for: accessing electrical terminals and using test probes without damaging connectors, fuse holders or wiring, testing controller input and output signals and waveforms, vehicle dynamic and static testing procedures, analysing abnormal noise, analysing component failure, RESS cooling system testing
repair procedures for high voltage rechargeable energy storage systems in battery electric vehicles, including procedures for: tightening connections, replacing faulty or damaged cable connections, removing and replacing faulty or damaged components, removing and replacing motor controller
post-repair testing procedures for high voltage rechargeable energy storage systems in battery electric vehicles, including procedures for: DTC clearing procedures, checking for electrical connector mating, performance testing RESS.

Foundation skills

Learning: Locates required sources of information efficiently Develops a sequenced plan for a specific task
Reading: Organises and interprets technical information from workplace procedures, manufacturer procedures and manufacturer specifications Interprets symbols and wiring diagrams
Oral communication: Clarifies instructions Obtains information from customers and supervisors
Numeracy: Matches electrical components and part identification numbers to workplace instructions, vehicle and component part lists, and manufacturer specifications Interprets vehicle electrical measurements and readings on digital and analogue gauges Measures voltage, current and resistance Uses mathematical operations Calculates deviations from manufacturer specifications
Planning and organising: Plans own work requirements Prioritises actions to achieve required outcomes Ensures tasks are completed within workplace timeframes
Technology: Uses specialised tools.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing AURETH103

What does an assessment tool for AURETH103 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for AURETH103 needs to address all 35 unit components: 4 elements with 18 performance criteria, 1 performance evidence requirements, 10 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for AURETH103?

Auditori pulls the current release of AURETH103 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for AURETH103 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing AURETH103 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of AURETH103, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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