AURHTF102 — Diagnose and repair heavy vehicle diesel fuel injection systems
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What an assessment for AURHTF102 must cover
37 assessable components: 4 elements (16 performance criteria), 6 performance evidence and 9 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 fuel injection system
- 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 fuel injection system
- 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 fuel injection system
- 3.1Identify required information for repair activity
- 3.2Identify tools, equipment and materials required for repair activity and establish serviceability according to workplace procedures
- 3.3Carry out repairs according to workplace and manufacturer procedures, manufacturer specifications, workplace health and safety and environmental requirements
- 3.4Carry 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 a fault in at least two different heavy vehicle diesel fuel injection systems
- testing the low-pressure fuel supply
- removing and refitting a low-pressure fuel pump
- removing, refitting and timing a diesel high pressure pump
- removing, refitting and testing injectors
- bleeding a diesel fuel injection system
Knowledge evidence
- methods to locate and interpret information required to diagnose and repair heavy vehicle diesel fuel injection systems, including: information provided by customers and supervisors; manufacturer specifications and procedures or equivalent documentation
- workplace procedures required to diagnose and repair heavy vehicle diesel fuel injection systems, 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 heavy vehicle diesel fuel injection systems, including procedures for: working with: high fuel pressures; stored fuel pressures; high voltage diesel fuel injectors; engine start-up and shut-down
- environmental requirements relating to diagnosing and repairing heavy vehicle diesel fuel injection systems, including procedures for trapping, storing and disposing of diesel fuel released from injection systems
- operating principles of heavy vehicle diesel fuel injection systems, including: phases of combustion; composition of diesel fuel
- purpose and operation of heavy vehicle diesel fuel injection systems and components, including: low pressure fuel supply systems, including: fuel pumps; filters and separators; common rail injection systems; high pressure diesel fuel injection systems, including: distributor type injection pumps; in-line injection pumps; electronic unit injection (EUI); hydraulic electronic unit injection (HEUI); high pressure injection (HPI); injectors
- diagnostic testing procedures for heavy vehicle diesel fuel injection systems, including: assessing exhaust smoke; testing low pressure fuel systems; testing injector opening pressure, back leakage, nozzle leakage and spray pattern; assessing air induction systems; measuring individual cylinder exhaust temperature to determine underperforming cylinders
- repair procedures for heavy vehicle diesel fuel injection systems, including procedures for: dismantling, cleaning, adjusting and reassembling conventional injectors; removing, installing and timing high pressure injection pumps; adjusting and tuning mechanical unit injection systems; bleeding fuel systems
- post-repair testing procedures for heavy vehicle diesel fuel injection systems, including procedures for: checking fuel system leakage; assessing engine performance
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
- Oral communication: Clarifies instructions Obtains information from customers and supervisors
- Numeracy: Measures fuel injection system components Uses mathematical operations Calculates areas, volumes and tolerances 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 diagnostic equipment Uses precision measuring equipment
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 AURHTF102
What does an assessment tool for AURHTF102 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for AURHTF102 needs to address all 37 unit components: 4 elements with 16 performance criteria, 6 performance evidence requirements, 9 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 AURHTF102?
Auditori pulls the current release of AURHTF102 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 AURHTF102 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing AURHTF102 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 AURHTF102, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
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