AURETR123 — Diagnose and repair spark ignition engine management systems

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What an assessment for AURETR123 must cover

36 assessable components: 4 elements (16 performance criteria), 2 performance evidence and 12 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 spark 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 spark ignition engine management systems of three different vehicles or machinery, including: faults in two system input sensors, faults in one system output actuator
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 spark 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 spark ignition engine management 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) relating to diagnosing and repairing spark ignition engine management systems, including procedures for: using specialised tools and equipment, including multimeters, scan tools and oscilloscope, using appropriate personal protective equipment (PPE), identifying hazards and controlling risks associated with: working on vehicle high voltage ignition systems, wearing jewellery while working around high current wiring systems, working with high pressure petrol fuel systems
environmental requirements relating to diagnosing and repairing spark ignition engine management systems
diagnostic testing procedures for spark 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, fuse holders 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 procedures for spark ignition engine management systems, including procedures for: removing and replacing the following electrical or electronic components: sensors, actuators, including fuel injectors and fuel pumps, adjusting and recalibrating components and associated systems, post-repair testing procedures, including procedures for: clearing fault codes, assessing engine performance, checking for electrical connector mating
operating principles of spark ignition engine management systems and associated components, including: combustion, including: air-fuel ratios and chemistry of combustion, composition of petrol fuel, including octane rating, indirect and direct fuel injection
purpose and operation of spark ignition engine management systems and components, including: fuel system, including: fuel filters, fuel pumps, fuel pressure regulators, fuel injectors
electronic control system, including the following system inputs: throttle position sensors, coolant temperature sensors, oxygen sensors, load sensors and air flow meters, intake air temperature sensors, crankshaft position sensors, camshaft position sensors, battery voltage, accessory load sensors, knock sensors
key features of electronic control units (ECUs), including: read-only memory (ROM), programmable read-only memory (PROM), electronically erasable programmable read-only memory (EEPROM), random access memory (RAM), multiplexing, adaptive learning, short-term fuel trim (STFT), long-term fuel trim (LTFT), sensor reference voltages and sensor grounds
system outputs, including: injectors, idle speed control devices, fuel pump relays, engine cooling fans, air conditioning compressor controls, broadband intake manifolds, exhaust gas recirculation solenoid controls, carbon canister purge controls, throttle motor (drive by wire) controls, variable valve timing controls, assembly line diagnostic link (ALDL)
ignition systems and components, including: spark plugs, ignition leads, ignition coils, including electromagnetic induction, ignition timing, including varying ignition timing according to engine load, speed and knock sensor input, dwell period, ECU control of ignition coil switching and methods of generating timing signals, including: crankshaft position sensor signals, including inductive pick-up, Hall effect and light emitting diode (LED), waste spark ignition systems, coil-on-plug ignition systems, integrated ignition 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 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 AURETR123

What does an assessment tool for AURETR123 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for AURETR123 needs to address all 36 unit components: 4 elements with 16 performance criteria, 2 performance evidence requirements, 12 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 AURETR123?

Auditori pulls the current release of AURETR123 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 AURETR123 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing AURETR123 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 AURETR123, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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