Knowledge of Diagnosis and Rectification of Vehicle Auxiliary Electrical Faults


Unit Reference Number:     A/601/3746

Learning OutcomesAssessment Criteria
1Understand vehicle electrical and electronic principles1.1Explain the principles of electrical inputs, outputs. voltages and oscilloscope patterns, digital and fibre optics
1.2Explain the principles of sensor inputs, computer processing and actuator outputs.
1.3Identify sensor types (passive and active)
1.4Identify the electrical principles that are related to light vehicle electrical circuits:
2Understand how light vehicle auxiliary electrical systems operate2.1Identify advanced automotive auxiliary electrical system components
2.2Explain the construction and operation of automotive auxiliary electrical systems.
2.3Explain the interaction between electrical, electronic and mechanical components within the system defined
2.4Explain the operation of the electrical and electronic systems for electric, hybrid and alternative fuel vehicles including regenerative braking systems
2.5Explain how electrical systems interlink and interact, including multiplexing and fibre optics
2.6Compare automotive auxiliary electrical system components and assemblies against alternatives to identify differences in construction and operation
3Understand how to diagnose and rectify faults in auxiliary electrical systems3.1Explain the symptoms and causes of faults found in automotive auxiliary electrical systems
3.2Explain systematic diagnostic techniques used inidentifying automotive auxiliary electrical system faults
3.3Explain how to examine, measure and makesuitable adjustments to components
3.4Explain how to carry out the rectification activities in order to correct the faults in the automotive auxiliary electrical systems
3.5Explain how to select, prepare and use diagnostic and rectification equipment for automotive auxiliary electrical systems
3.6Explain how to evaluate and interpret test resultsfound in diagnosing automotive auxiliary electricalsystem faults against vehicle manufacturerspecifications and settings
3.7Explain how to evaluate the operation ofcomponents and systems following diagnosis andrepair to confirm system performance