Engine Management System (EMS) Diagnostic outlines the work activities to determine condition and the test performance of EMS parts & components in accordance with service manual. It also covers the petrol and diesel engine.

The importance of this competency unit is that the person can perform engine management system (EMS) diagnostic onto the vehicle to detect problems and faulty of the vehicle engine.

The competency includes to setup diagnostic tool, operate diagnostic tool Engine Management System (EMS), diagnose Engine Management System (EMS) components condition, analyse oscilloscope pattern and conduct fuel pressure test.

The outcome of this competency is to detect problem of the EMS, ability to assess problem that arise and assign the required repair job.