Unit of competency Outline

Date retreived
22/07/2026 1:23 PM AWST

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Diagnose and repair heavy vehicle diesel fuel injection systems

Diagnose and repair heavy vehicle diesel fuel injection systems

Unit of competency
National Code
AURHTF002
State Code
AXD31
TGA Status
Replaced
DTWD Status
Replaced
Current Release Number
1.00
Current Release Date
14/04/2016
View on TGA
State Implementation and Classification
Approved Date
13/07/2016
Field of Education
030503 - Vehicle Mechanics
Original Release Date
13/07/2016
Nominal Hours
70
Description
This unit describes the performance outcomes required to diagnose and repair faults in the diesel fuel injection systems of heavy vehicles and machinery. It involves preparing for the task, selecting the correct diagnostic procedure, carrying out the diagnosis and the repair, performing post-repair testing, and completing workplace processes and documentation.It applies to those working in the automotive service and repair industry. The diesel fuel injection systems include those in agricultural machinery, heavy commercial vehicles, marine vessels or mobile plant machinery. The unit does not apply to electronic compression ignition engine management systems.No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.
Notes
Elements and Performance Criteria
1. Prepare to diagnose and repair diesel fuel injection system
  • 1.1 Job requirements are determined from workplace instructions
  • 1.2 Diagnostic information is sourced and interpreted
  • 1.3 Diagnostic options are analysed and those most appropriate to the circumstances are selected
  • 1.4 Hazards associated with the work are identified and risks are managed
  • 1.5 Diagnostic tools and equipment are selected and checked for serviceability
2. Diagnose diesel fuel injection system
  • 2.1 Engine tune adjustments are checked and rectified as required according to manufacturer specifications and workplace procedures
  • 2.2 Diagnostic tests are carried out according to manufacturer specifications, workplace procedures, and environmental and safety requirements
  • 2.3 Faults are identified from diagnostic test results and causes of faults are determined
  • 2.4 Diagnosis findings, including recommendations for necessary repairs or adjustments, are reported according to workplace procedures
3. Repair diesel fuel injection system
  • 3.1 Repair information is sourced and interpreted
  • 3.2 Repair options are analysed and those most appropriate to the circumstances are selected
  • 3.3 Repair tools, equipment and materials are selected and checked according to manufacturer procedures
  • 3.4 Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
  • 3.5 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. Complete work processes
  • 4.1 Final inspection is made to ensure work is to workplace expectations and system or vehicle is presented ready for use
  • 4.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
  • 4.3 Tools and equipment are checked and stored according to workplace procedures
  • 4.4 Workplace documentation is processed according to workplace procedures
No information
No information
Replaced By
State Code National Code Title Type
OCJ64 AURHTF102 Diagnose and repair heavy vehicle diesel fuel injection systems Unit of competency