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.