This unit describes the performance outcomes required to inspect and service emission control systems on petrol or diesel powered engines. It involves preparing for the task, inspecting the system, reporting the inspection findings, servicing and adjusting the system, and completing workplace processes and documentation.

It applies to those working in the automotive service and repair industry. The emission control systems include those of agricultural equipment, heavy commercial vehicles, light vehicles, marine vessels, mobile plant machinery, motorcycles or outdoor power equipment.

This unit does not include emission control systems associated with engine management systems.

No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.