Unit of competency Outline

Date retreived
22/07/2026 9:45 PM AWST

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Diagnose and repair LNG fuel systems

Diagnose and repair LNG fuel systems

Unit of competency
National Code
AURTTL105
State Code
OCL82
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
13/11/2020
View on TGA
State Implementation and Classification
Approved Date
31/03/2021
Field of Education
030503 - Vehicle Mechanics
Original Release Date
31/03/2021
Nominal Hours
31
Description
This unit describes the skills and knowledge required to diagnose and repair faults in the liquefied natural gas (LNG) fuel systems of vehicles or machinery. It involves preparing for the task, sourcing the diagnostic testing strategy, carrying out the diagnosis and the repair, performing post-repair testing, and completing workplace processes and documentation.The unit applies to those working in the automotive service and repair industry. The unit applies to LNG fuel systems in agricultural machinery, forklifts, heavy commercial vehicles, light vehicles or mobile plant machinery.Licensing, legislative, regulatory or certification requirements may apply to this unit in some jurisdictions. Users are advised to check with the relevant regulatory authority.
Notes
Elements and Performance Criteria
1. Prepare to diagnose and repair LNG fuel system
  • 1.1 Determine job requirements from workplace instructions
  • 1.2 Source and interpret diagnostic information
  • 1.3 Analyse diagnostic options and source testing strategy, selecting those required for the circumstances
  • 1.4 Identify hazards associated with the work and manage risks
  • 1.5 Select and check diagnostic tools and equipment required for testing strategy for serviceability
2. Diagnose LNG fuel system
  • 2.1 Perform diagnostic tests set out in testing strategy according to workplace procedures and safety and environmental requirements
  • 2.2 Identify faults from diagnostic test results and determine causes of faults
  • 2.3 Confirm and report cause of fault according to workplace procedures
  • 2.4 Develop and report recommendations for required repairs or adjustments according to workplace procedures
3. Repair LNG fuel system
  • 3.1 Source and interpret repair information
  • 3.2 Analyse repair options and select those required for the circumstances
  • 3.3 Select and check repair tools, equipment and materials
  • 3.4 Carry out repairs and component replacements and adjustments according to manufacturer specifications, workplace procedures, safety and environmental requirements, and AS/NZ 2739 Natural gas (NG) fuel systems for vehicle engines, and without causing damage to components or system
  • 3.5 Carry out post-repair testing according to workplace procedures and AS/NZ 2739 to confirm fault rectification, and rectify any further problems detected as having been introduced during the repair process
4. Complete work processes
  • 4.1 Conduct final inspection according to workplace procedures and confirm vehicle is ready for use
  • 4.2 Clear work area and dispose of or recycle materials according to workplace procedures
  • 4.3 Process workplace documentation according to workplace procedures
No information
No information
Replaces
State Code National Code Title Type
AXA59 AURTTL005 Diagnose and repair LNG fuel systems Unit of competency