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Electrical Symbols, Terms and Systems - Light Vehicle Maintenance and Repair Level 2


Price is per online user of this course. Applicable EU VAT is added.

Modern vehicles use a variety of electrical and electronic systems.  This module will help you develop an understanding of the electrical principles of these systems and their main components, design and operation.

It will provide you with the theoretical knowledge and practical skills to enable you to conduct safe and systematic approach to inspect and test vehicle electrical systems.

This Level 2 course, from the Light Vehicle Maintenance and Repair Level 2 suite of online courses, is mapped to UK National Occupational Standards  T/601/3874, T/601/3731.

See below for further information.

Sold By: Global Vocational Skills


The course is completed via a five-stage learning process:

Five stage learning process


i-Practice is a unique tool that simulates real world vocational activities in a virtual environment, bridging the gap between traditional textbook and workshop learning, enabling the development of practical skills.  It consists of two elements:

i-Practice (Training):  This guides you through a virtual activity with full instruction allowing you to acquire the necessary skills though the repetition of tasks.

i-Practice (Assessment):  This allows you to test your comprehension of the content.  You undertake the same activity as before but without instruction.  This enables you to apply what you have learnt, test your ability and set a benchmark to improve upon – ultimately working towards being job ready.


i-Ask provides core knowledge delivered through visuals, text and audio


iCheck reinforces your comprehension with informal testing and clear results – helping you identify strong and weak areas of understanding

i-Test This is formal testing which summarises your results

Course Objectives

On completion of this topic you will be able to:

  • Understand the relationship of voltage, current and resistance in an electrical circuit
  • Identify the common electrical symbols and interpret electrical wiring diagrams
  • Understand the function and operation of sensors and actuators
  • Review a range of auxiliary vehicle systems to include: on-board diagnostics and comfort and convenience systems.

Course Content

Electrical Principles and Ohm’s Law

i-Ask: Basic Electrical Terms
i-Ask: Ohm’s Law
i-Ask: Testing Circuits
i-Ask: Wiring Types and Codes
i-Check: Electrical Principles and Ohm’s Law
i-Test: Electrical Principles and Ohm’s Law

Circuit Symbols and Diagrams

i-Ask: Circuit Symbols and Diagrams
i-Ask: Circuit Diagrams
i-Check: Circuit Diagrams and Symbols
i-Check: Circuit Diagrams
i-Test: Circuit Symbols and Diagrams

Sensors and Actuators

i-Ask: Sensors and Actuators
i-Ask: Sensors
i-Ask: Actuators
i-Check: Sensors and Actuators
i-Test: Sensors and Actuators

Electronic On Board Diagnostics

i-Ask: Driver Display
i-Ask: The Electronic On Board Diagnostics System: Important Dates to Remember
i-Ask: Diagnostic Tools and Codes
i-Check: Diagnostic Tools, Codes and Driver Display
i-Test: Electronic On Board Diagnostics
i-Test: Driver Display

Security System and Electric Windows

i-Ask: Central Locking System
i-Ask: Electric Windows, Sunroofs and Mirrors
i-Check: Electric Windows
i-Check: Central Locking System
i-Test: Security System and Electric Windows

Comfort and Convenience Systems

i-Ask: Ventilation System
i-Ask: Heating System
i-Ask: Heated Seats
i-Ask: Air Conditioning System
i-Ask: Global Positioning System (GPS)
i-Check: Comfort and Convenience Systems
i-Check: Heating System
i-Check: Air Conditioning System
i-Test: Comfort and Convenience Systems

Organisational Licensing

The suite of Business Administration courses is available as an organisational licence – please enquire for details by emailing enquiries@elearningmarketplace.co.uk or phoning 0844 854 9218.


For multiple purchase discounts or to find out if discounts are available on mixed course purchases please phone a customer advisor on 0844 854 9218.

Payment Options

The most straight forward method of payment is to select the number of users you require and add the product to your shopping cart by selecting Add to Cart. You will then be able to make payment using most credit and debit cards or a Paypal account. If you would like to pay by BACs transfer or by invoice please contact a customer advisor on 0844 854 9218 or email enquiries@elearningmarketplace.co.uk.

Additional information






Available for immediate enrolment



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