Automotive Engineering: Onboard Diagnostics explores modern vehicle diagnostic systems, fault codes, sensors, and electronic control units, helping learners understand how onboard diagnostics detect issues and support efficient automotive maintenance and troubleshooting.
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1 Year Access 
Intermediate
27 Students 
54 minutes 
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The Automotive Engineering: Onboard Diagnostics course introduces modern OBD systems and ECU (Engine Control Unit) architecture, focusing on OBD-II protocol, sensor data analysis, emissions monitoring, and Diagnostic Trouble Codes (DTCs) for effective fault detection in vehicles.
This curriculum explores various aspects of Onboard Diagnostics, including CAN bus communication, real-time diagnostics, and vehicle telematics. Students learn how sensor data supports fault detection, ECU performance evaluation, and accurate interpretation of Diagnostic Trouble Codes (DTCs) in modern vehicles.
The course structure spans Unit 01 Introduction, Unit 02 various aspects of Onboard Diagnostics, and Unit 03 various systems, reinforcing understanding of OBD systems, ECU operations, emissions monitoring, and integrated CAN bus-based automotive diagnostic technologies.
Learners complete an assignment designed to evaluate their understanding of the course content. The assignment is reviewed by qualified tutors who provide personalised feedback, allowing learners to demonstrate their applied knowledge and skills.
After completing the Automotive Engineering: Onboard Diagnostics course assessment, you will be eligible to receive a Free CPD-accredited certificate worth £9 from One Education to demonstrate your achievement.
The certificate is also available as a printed hard copy delivered by post for £15.
Why study Automotive Engineering: Onboard Diagnostics? Modern vehicles rely heavily on advanced electronic control systems, making diagnostic knowledge increasingly important. This course develops the ability to interpret fault codes, troubleshoot issues, and understand vehicle performance in today’s technology-driven automotive industry.
Studying this course improves career prospects in automotive repair and maintenance sectors as vehicle systems become more sophisticated. It strengthens analytical thinking, builds hands-on diagnostic skills, and prepares learners to work confidently with evolving automotive technologies and complex onboard systems.
The Automotive Engineering: Onboard Diagnostics Course has a total study time of 54 minutes. Learners can complete the course at a flexible pace, allowing them to progress through the material in line with their personal schedule, availability, and preferred learning speed.
The Automotive Engineering: Onboard Diagnostics course requirements are straightforward and accessible. Learners should have basic knowledge of automotive systems and an interest in vehicle electronics and diagnostics. Access to a computer with internet is essential, while familiarity with OBD tools and fault-finding concepts is beneficial but not mandatory.
It is a system in vehicles that monitors engine and emissions performance.
They detect faults in the vehicle and help identify problems early.
It is used to read fault codes from the vehicle’s computer system.
They indicate specific issues in areas like the engine, transmission, or emissions system.
It improves vehicle maintenance, safety, and reduces emissions.
It is checked during diagnostics, servicing, or when a warning light appears.
| Unit 01: Introduction | |||
| Introduction | 00:01:00 | ||
| Brief history & Basic working of OBD | 00:08:00 | ||
| Unit 02: Various Aspects of Onboard diagnostics | |||
| Onboard diagnostic apps | 00:07:00 | ||
| Exhaust gas-Diagnostics | 00:07:00 | ||
| APPS on Onboard diagnostics | 00:07:00 | ||
| Unit 03: Various systems | |||
| Engine -Diagnostics | 00:05:00 | ||
| Diagnostics-spark plug | 00:06:00 | ||
| Diagnostics- Fuel injection | 00:06:00 | ||
| Diagnosis -Lubrication | 00:07:00 | ||
| Assignment | |||
| Assignment -Automotive Engineering: Onboard Diagnostics | 00:00:00 | ||
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