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This unit must be assessed in accordance with the IMI Assessment Strategy and adhere to the Knowledge Unit Syllabus, both of which can be downloaded from the IMI website:
http://www.motor.org.uk/standards-and-qualifications/qualification-credit-framework-5.1-qcf.html
Understand the use of electrical testing equipment and measurements taken
Identify commonly used electrical test equipment
. Describe how to use and operate electrical test equipment
. Describe the safety and operational checks that should be carried out on tools and equipment required to remove and replace electrical components
. Describe how to measure voltage, resistance, current, and specific gravity in determining simple circuit faults
. Describe when and where to use voltage, ohm, amp and specific gravity measurements in determining simple circuit faults
. Describe the fundamental operation of motors, capacitors, resistors, semi-conductors, transistors, actuators and sensors (including active or self-generating and passive or modulating)
Understand how to carry out electrical testing techniques
. Describe common types of testing methods used to check the operation of vehicle electrical/electronic circuits and components
. Describe how to determine component condition and suitability based upon calculations using ohms law
. Describe how to conduct tests following electrical safety and workplace procedures
. Explain how to evaluate and interpret test results
found in diagnosing simple electrical circuit faults
against vehicle manufacturer specifications and
settings
. Describe how and the importance of making recommendations for rectification based upon the analysis of the test information gained
. Explain how to identify common faults and their causes found in fundamental electrical systems and components
. Explain how to evaluate the performance of any replaced electrical components against vehicle specification and the importance of doing so
. Describe the procedures for disposing of any removed electrical components