AURTTL113 — Diagnose complex faults in LPG fuel systems

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What an assessment for AURTTL113 must cover

34 assessable components: 4 elements (15 performance criteria), 2 performance evidence and 11 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 Identify and confirm the work requirement

1.1Determine nature and objective of diagnosis requirements from workplace instructions
1.2Confirm existence of fault in LPG fuel system from direct or indirect evidence
1.3Identify hazards associated with the work and manage risks according to workplace procedures, and safety and environmental requirements

2 Prepare to diagnose complex faults

2.1Access and interpret manufacturer specifications and other technical information for LPG fuel system
2.2Identify diagnostic procedures and options
2.3Select diagnostic method sequence, tests and testing processes from the range of available options
2.4Select and prepare testing equipment according to manufacturer specifications and workplace procedures
2.5Identify, select and prepare tools, equipment and materials required to support the diagnostic process for use

3 Apply diagnostic procedures

3.1Follow selected diagnostic process and carry out testing according to manufacturer specifications, workplace procedures, and safety and environmental requirements
3.2Confirm diagnostic findings, as required, by using alternative or optional process according to manufacturer specifications and workplace procedures
3.3Draw and document conclusions from findings according to workplace procedures, and develop recommendations for required repairs that comply with AS/NZS 1425 LP Gas fuel systems for vehicle engines
3.4Provide conclusions to required personnel or customer to confirm further action to be taken

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 a complex fault in at least three different liquefied petroleum gas (LPG) fuel systems
the above diagnoses must involve at least two of the following types of complex faults: an intermittent fault, a fault that affects more than one system, a fault introduced as a result of a system repair, an indirect fault caused by the influence of external systems

Knowledge evidence

methods to locate and interpret information required to diagnose complex faults in LPG fuel systems, including: manufacturer specifications and procedures or equivalent documentation
workplace procedures required to diagnose complex faults in LPG fuel 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
work health and safety (WHS) requirements relating to diagnosing complex faults in LPG fuel systems, including procedures for working with heavier-than-air flammable gas
environmental requirements, including procedures for preventing loss of gas to atmosphere
types of complex faults relating to LPG fuel systems, including: intermittent, multi-system, introduced as a result of system repair, indirect, caused by the influence of external systems
types and key features of LPG fuel systems, including: converter-mixer systems, injection systems
requirements of AS/NZS 1425 LP Gas fuel systems for vehicle engines
testing procedures for LPG fuel systems, including: component failure analysis, safety component operation, electrical control systems, exhaust emissions, on-road fuel efficiency, data interpretation
types and key features of diagnostic testing equipment required to diagnose complex faults in LPG fuel systems
procedures for accessing and interpreting scan tool system data, including: diagnostic trouble codes (DTCs), including: conditions that set the DTCs, conditions for running DTCs; live data; freeze frame data; waveforms; vehicle continuous and non-continuous monitored systems
methods and processes for documenting and reporting diagnostic findings and recommendations

Foundation skills

Learning: Locates required sources of information efficiently. Applies diagnostic skills to different LPG fuel systems.
Numeracy: Measures LPG fuel system components and uses basic mathematical operations, including addition and subtraction. Calculates deviations and tolerances from manufacturer specifications. Uses gauges and interprets units, such as kilopascals and pounds per square inch (PSI).
Oral communication: Clarifies instructions. Obtains information from customers and supervisors.
Reading: Organises and interprets technical information from manufacturer and workshop literature when seeking LPG fuel system specifications and procedures.
Planning and organising: Plans own work requirements. Prioritises actions to achieve required outcomes. Ensures tasks are completed within workplace timeframes.
Technology: Uses precision measuring equipment. Uses specialised diagnostic 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 AURTTL113

What does an assessment tool for AURTTL113 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for AURTTL113 needs to address all 34 unit components: 4 elements with 15 performance criteria, 2 performance evidence requirements, 11 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 AURTTL113?

Auditori pulls the current release of AURTTL113 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?

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Can I check my existing AURTTL113 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 AURTTL113, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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