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IMI Level 3 Award in Electric/Hybrid Vehicle System Repair and Replacement

30th - 31st May 2024

25th - 26th June 2024

23rd - 24th July 2024

IMI Level 4 Award in the Diagnosis, Testing and Repair of Electric/Hybrid Vehicles and Components

27th - 28th June 2024

25th - 26th July 2024

22nd - 23rd August 2024

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CAN BUS Systems

CAN BUS Systems


Unravel the mysteries of modern vehicle communication systems from basic construction and testing to understanding CAN BUS messages 

CAN1 - Introduction to CAN BUS systems 

Duration: 2 Days

Course Aim:-

This course is specifically designed towards a Technician that needs to understand the modern vehicle fitted with CAN-BUS communication system. Most vehicles are now fitted with some type of communication system and this can, if not understood, prevent many simple diagnoses of vehicle faults. Different types of CAN communication with protocols will be unraveled from the simple 16pin DLC connector to the high speed systems fitted for Engine management and ABS communication.


Extensive practical sessions will used throughout the course involving the construction of a CAN-BUS system using Locktronics with on-vehicle testing to back up the theory.
On completion of the course the delegate will feel competent and confident to identify, test and diagnose CAN-BUS systems found on all modern vehicles.

• The use of an Oscilloscope to capture and analyse CAN-BUS communication and messages
• CAN-BUS canaliser will be demonstrated to support the content of this course

Contents Covered:-
  • Advantages of CAN
  • ECU action and function
  • CAN message structure
  • Start up routines
  • Wiring in CAN bus systems
  • Intelligent design
  • CAN bus diagnosis
  • Scan tool use in fault diagnosis and release
Note: A good understanding of electrical circuits and testing prior to attending will enable the delegate to absorb more of this course’s content. Attending our Ei1 course will help.

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