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Elements and Performance Criteria

1. Prepare to diagnose and repair instruments and warning system
   • Job requirements are determined from workplace instructions
   • Diagnostic information is sourced and interpreted
   • Diagnostic options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Diagnostic tools and equipment are selected and checked for serviceability
2. Diagnose instruments and warning system
   • Diagnostic tests are performed according to workplace proceduresand safety requirements without causing damage to components or systems
   • Faults are identified from diagnostic test results and causes of faults are determined
   • Diagnosis findings and recommendations for necessary repairs or adjustments are reported according to workplace procedures
3. Repair instruments and warning system
   • Repair information is sourced and interpreted
   • Repair options are analysed and those most appropriate to the circumstances are selected
   • Repair tools, equipment and materials are selected and checked according to manufacturer specifications and workplace procedures
   • Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
   • Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
4. Compete work processes
   • Final inspection is made to ensure work is to workplace expectations and vehicle, vessel or machinery is presented ready for use
   • Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
   • Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
   • Workplace documentation is processed according to workplace procedures
5. Prepare to diagnose and repair instruments and warning system
   • Job requirements are determined from workplace instructions
   • Diagnostic information is sourced and interpreted
   • Diagnostic options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Diagnostic tools and equipment are selected and checked for serviceability
6. Diagnose instruments and warning system
   • Diagnostic tests are performed according to workplace proceduresand safety requirements without causing damage to components or systems
   • Faults are identified from diagnostic test results and causes of faults are determined
   • Diagnosis findings and recommendations for necessary repairs or adjustments are reported according to workplace procedures
7. Repair instruments and warning system
   • Repair information is sourced and interpreted
   • Repair options are analysed and those most appropriate to the circumstances are selected
   • Repair tools, equipment and materials are selected and checked according to manufacturer specifications and workplace procedures
   • Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
   • Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
8. Compete work processes
   • Final inspection is made to ensure work is to workplace expectations and vehicle, vessel or machinery is presented ready for use
   • Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
   • Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
   • Workplace documentation is processed according to workplace procedures

Range Statement

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Safety requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for working with high current wiring systems.

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Performance Evidence

Before competency can be determined, individuals must demonstrate they can perform the following according to the standard defined in the unit’s elements and performance criteria, range of conditions and foundation skills:

diagnose and repair a fault in the instruments and warning systems of two different vehicles, vessels or machinery, including faults in two of the following:

driver instrument warning gauge assembly

engine monitoring warning assembly

vehicle warning visual alert assembly

vehicle warning audible alert assembly

remove, refit or replace an instrument panel in one vehicle, vessel or machinery.

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Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to diagnosing and repairing instruments and warning systems, including procedures for working with high current wiring systems

operating principles of instruments and warning systems and associated components, including types of instruments, gauges and warning systems

application, purpose and operation of instruments and warning systems and components, including:

instrument panel construction

panel illumination

magnetic and thermal gauges

voltage regulators

mechanical gauges

digital electronic gauges and systems

warning lights and indicators

diagnostic testing procedures for instruments and warning systems, including:

accessing and interpreting scan tool system data, including:

diagnostic trouble codes (DTCs)

live data

freeze frame data

waveforms

using diagnostic flow charts

testing electrical systems, including procedures for:

accessing electrical terminals and using test probes without damaging connectors, fuse holders or wiring

checking resistance, current flow and voltage instruments and warning systems

repair procedures for instruments and warning systems, including:

tightening connections

replacing faulty or damaged cable connections

removing and replacing faulty or damaged components

post-repair testing procedures for instruments and warning systems, including:

DTC clearing procedures

checking for electrical connector mating

undertaking static and dynamic performance tests of instruments and warning systems, including test-driving procedures.

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