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Diagnose and repair heavy vehicle air braking systems

KHU-AUT-0158

Australian Equivalent
AURHTB101
Elements
4
Learning Outcomes
16

This unit describes the skills and knowledge required to diagnose and repair faults in the air braking systems of heavy vehicles. The unit involves preparing for the task, sourcing a diagnostic testing strategy, diagnosing the cause of the fault, carrying out the repair, performing post-repair testing, and completing workplace processes and documentation. The unit applies to those who work in the automotive service and repair industry. The air braking systems include those in agricultural machinery, heavy commercial vehicles or mobile plant machinery. No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.

Elements & Learning Outcomes

4
E1Prepare to diagnose and repair heavy vehicle air braking system
0158.E1.O1Identify job requirements from workplace instructions
0158.E1.O2Identify required information for diagnosis activity
0158.E1.O3Analyse diagnostic options and source testing strategy to identify cause of fault using workplace and manufacturer procedures
0158.E1.O4Identify hazards and environmental issues associated with diagnose and repair activity, assess potential risks and implement control measures in line with workplace policies and procedures
0158.E1.O5Identify tools and equipment required for testing strategy and establish serviceability according to workplace procedures
E2Diagnose heavy vehicle air braking system
0158.E2.O1Implement diagnostic tests set out in testing strategy according to manufacturer and workplace procedures, and workplace health and safety requirements
0158.E2.O2Identify cause of fault through analysis of diagnostic test results
0158.E2.O3Confirm and report cause of fault according to workplace procedures
0158.E2.O4Develop and report recommendations for necessary repairs according to workplace procedures
E3Repair heavy vehicle air braking system
0158.E3.O1Identify required information for repair activity
0158.E3.O2Identify tools, equipment and materials required for repair activity and establish serviceability according to workplace procedures
0158.E3.O3Carry out repairs according to workplace and manufacturer procedures, manufacturer specifications, workplace health and safety and environmental requirements
0158.E3.O4Carry out post-repair testing according to workplace procedures, workplace health and safety and environmental requirements
E4Complete work processes
0158.E4.O1Conduct final inspection according to workplace procedures and confirm vehicle is ready for use
0158.E4.O2Clear work area and dispose of or recycle materials according to workplace procedures
0158.E4.O3Complete documentation according to workplace procedures
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SEAL — South East Asia Learning Identifier & Skills Portal · Prepared for MLVT Executive approval and TVET institute review · Derived from the Australian National Training Register (training.gov.au, CC-BY) and aligned to the Cambodian Qualifications Framework and DSC Standard Training Packages · Delivered via Gibble SMS · July 2026