AURETR124 — Diagnose and repair compression ignition engine management systems

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What an assessment for AURETR124 must cover

95 assessable components: 4 elements (16 performance criteria), 18 performance evidence and 55 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 compression ignition engine management system

1.1Access workplace instructions to identify job requirements and confirm existence of fault according to workplace procedures
1.2Source and interpret required information for diagnosis activity, including customer complaint, workplace and manufacturer procedures
1.3Source testing strategy to efficiently identify cause of fault using workplace and manufacturer procedures
1.4Identify hazards and environmental issues, assess potential risks and implement control measures in line with workplace policies
1.5Identify diagnostic tools and equipment required for the job and examine them for serviceability

2 Diagnose engine management system

2.1Carry out diagnostic tests according to manufacturer and workplace procedures, and workplace health and safety requirements
2.2Analyse diagnostic test results to identify cause of fault, conducting further tests if required
2.3Confirm and report cause of fault according to workplace procedures
2.4Develop and report recommendations for necessary repairs or adjustments according to workplace procedures

3 Repair engine management system

3.1Source and interpret required information for repair activity, including manufacturer specifications, workplace and manufacturer procedures
3.2Identify repair tools, equipment and materials required for the job and examine for serviceability
3.3Carry out repairs or component replacements and adjustments 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 to confirm fault rectification and repair any issues identified

4 Complete work processes

4.1Carry out final inspection to ensure work meets workplace expectations and 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 the compression ignition engine management systems of three different vehicles or machinery, including:
faults in two of the following:
engine position sensor
throttle position sensor
engine coolant temperature sensor
engine mass airflow (MAF) sensor
inlet air temperature (IAT) sensor
faults in one of the following:
fuel injector
engine fuel pressure sensor
boost pressure sensor
low pressure fuel delivery pump
high pressure fuel rail pump
electronic control unit (ECU)
carry out a diagnostic test in the course of the above for at least one of the following faults:
low or high pressure in the fuel system
damaged sensors, connectors or wiring
leaking or restricted injectors.

Knowledge evidence

methods to locate and interpret information required to diagnose and repair compression ignition engine management systems, including:
information provided by customers and supervisors
manufacturer specifications and procedures or equivalent documentation
workplace procedures required to diagnose and repair compression ignition engine management systems, including:
establishing serviceability of tools and equipment
documentation procedures
housekeeping procedures, including:
examination of tools and equipment
use of specialised tools and equipment, including multimeters, scan tools and oscilloscope
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 compression ignition engine management systems, including procedures for identifying hazards and controlling risks associated with:
working with high pressure diesel fuel systems
wearing jewellery while working around high current wiring systems
environmental requirements relating to diagnosing and repairing compression ignition engine management systems
key features of compression ignition engine management systems and components, including common rail fuel systems and unit injection systems:
low pressure stage
high pressure stage, including:
high pressure injection pump
injectors
high pressure fuel line
compression ignition engine management systems, including:
sensors
actuators
wiring harness
electronic control module (ECM)
associated vehicle systems
diagnostic testing procedures for compression ignition engine management systems, including:
diagnostic flow charts
fuel system testing, including:
low pressure fuel system testing
high pressure fuel system testing
testing electrical systems, including procedures for:
accessing electrical terminals and using test probes without damaging connectors or wiring
injector testing
sensor testing
actuator testing
accessing and interpreting industry-relevant test equipment data, including:
fault codes
live data
freeze frame data
waveforms
repair for compression ignition engine management systems, including procedures for:
removing and replacing sensors
removing and replacing actuators, including fuel injectors and fuel pumps
adjusting and recalibrating components and their associated systems
post-repair testing procedures, including procedures for:
checking fault codes
assessing engine performance
checking for electrical connector mating
operating principles of diesel fuel injection systems and associated components, including:
phases of combustion
composition of diesel fuel, including cetane and sulphur content.

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 text, symbols and wiring diagrams in information relating to electrical system testing and repair equipment from manufacturer specifications and workplace instructions and procedures
Oral communication: Clarifies instructions Obtains information from customers and supervisors
Numeracy: Matches electrical components and part identification numbers to workplace instructions, vehicle, machinery and component part lists, and manufacturer specifications Interprets vehicle electrical measurements and readings Measures voltage, current and resistance and 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 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 AURETR124

What does an assessment tool for AURETR124 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for AURETR124 needs to address all 95 unit components: 4 elements with 16 performance criteria, 18 performance evidence requirements, 55 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 AURETR124?

Auditori pulls the current release of AURETR124 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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Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of AURETR124, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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