AURHTZ101 — Diagnose and repair heavy vehicle emission control systems
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What an assessment for AURHTZ101 must cover
32 assessable components: 4 elements (16 performance criteria), 1 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 heavy vehicle emission control 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 heavy vehicle emission control 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 heavy vehicle emission control 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 three of the following heavy vehicle emission control systems: closed crankcase ventilation system, exhaust gas recirculation system, diesel engine particulate filter system, selective catalytic reduction system.
Knowledge evidence
- methods to locate and interpret information required to diagnose and repair heavy vehicle emission control systems, including: information provided by customers and supervisors, manufacturer specifications and procedures or equivalent documentation
- workplace procedures required to diagnose and repair heavy vehicle emission control 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 emission control systems, including procedures for working with vehicles that produce toxic emissions
- environmental requirements relating to diagnosing and repairing heavy vehicle emission control systems, including procedures for containing and disposing of emission control system fuels, fluids and components
- heavy vehicle emissions and their effects on the environment and health: carbon monoxide, carbon dioxide, oxides of nitrogen, ozone, sulphur dioxide, particulate matter, hydrocarbons
- purpose and operation of heavy vehicle emission control systems and components, including: closed crankcase ventilation system, exhaust gas recirculation system, diesel engine particulate filter system, selective catalytic reduction system, catalytic converter system
- diagnostic testing procedures for heavy vehicle emission control systems, including procedures for testing: closed crankcase ventilation system operation, exhaust gas recirculation system operation, diesel engine particulate filter system operation, selective catalytic reduction system operation, catalytic converter system operation, exhaust gas analysis, exhaust smoke analysis
- repair procedures for heavy vehicle emission control systems, including procedures for removing, replacing and adjusting the system components
- post-repair testing procedures for heavy vehicle emission control systems.
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: Interprets numeric information, including: exhaust gas percentages exhaust gas ratios
- Planning and organising: Plans own work requirements Prioritises actions to achieve required outcomes Ensures tasks are completed within workplace timeframes
- Technology: Uses specialised testing 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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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:
Questions about assessing AURHTZ101
What does an assessment tool for AURHTZ101 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for AURHTZ101 needs to address all 32 unit components: 4 elements with 16 performance criteria, 1 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 AURHTZ101?
Auditori pulls the current release of AURHTZ101 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 AURHTZ101 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing AURHTZ101 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 AURHTZ101, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
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