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CourseOff-Road, Special Vehicles & Machinery Applications open

Electronic Diesel Injection Diagnostics Course

Online 300-hour course in electronic diesel injection diagnostics. 6 modules covering ISO 14229 (Unified Diagnostic Services, UDS), SAE J1939 (CAN network for heavy vehicles) and Bosch ESItronic. Assigned tutor and open enrolment.

Duration300 h
ModeOnline
LanguageEnglish
Start datesSet by the faculty
AwardSEIUM Institute certificate
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Learning outcomes

What you will be able to do

01

Describe common rail, unit injector and electronic distributor pump architectures.

02

Use diagnostic equipment and manufacturer technical documentation.

03

Carry out tests on the low- and high-pressure fuel circuits.

04

Diagnose starting, power and smoke faults from symptoms and data.

05

Test, replace and code injectors and sensors.

06

Relate the condition of the injection system to exhaust aftertreatment systems.

07

Establish preventive measures concerning fuel quality.

Profile

Who it's for

  • Diesel diagnostics technician who wants to specialise in Electronic Diesel Injection Diagnostics.
  • Heavy vehicle mechanic who wants to specialise in Electronic Diesel Injection Diagnostics.
  • Diesel laboratory technician who wants to specialise in Electronic Diesel Injection Diagnostics.
  • Agricultural machinery technician who wants to specialise in Electronic Diesel Injection Diagnostics.
  • Workshop manager who wants to specialise in Electronic Diesel Injection Diagnostics.
  • Automotive technical trainer who wants to specialise in Electronic Diesel Injection Diagnostics.
  • Engineering or science graduates looking to enter automotive workshops.
Standards & tools

What you'll work with

  • ISO 14229 (Unified Diagnostic Services, UDS)
  • SAE J1939 (CAN network for heavy vehicles)
  • ISO 15031 (OBD diagnostic communication)
  • ISO 27145 (WWH-OBD)
  • Regulation (EC) 595/2009 (Euro VI)
  • Regulation (EU) 2016/1628 (emissions from non-road mobile machinery)
  • EN 590 (automotive diesel fuel)
Syllabus

6 modules · 300 h

  1. 1.1Evolution of injection in machinery
  2. 1.2Common rail and how it works
  3. 1.3Unit injector and pump-line-injector
  4. 1.4Solenoid and piezoelectric injectors
  5. 1.5High-pressure pump and regulation
  6. 1.6System sensors and their function
  7. 1.7Control unit and strategies
  8. 1.8Multiple injections and their purpose
  9. 1.9Relationship with exhaust gas aftertreatment
  10. 1.10Workshop: identifying an engine's system
  1. 2.1Diagnostic equipment and its scope
  2. 2.2Reading codes and freeze frame data
  3. 2.3Relevant live parameters
  4. 2.4Active tests and their safe use
  5. 2.5Oscilloscope and sensor and injector signals
  6. 2.6High-pressure gauges and adapters
  7. 2.7Manufacturer data and reference values
  8. 2.8Access to technical information and the right to repair
  9. 2.9Recording the diagnostic session
  10. 2.10Practice: reading and interpreting a log
  1. 3.1Low-pressure circuit checks
  2. 3.2Supply flow and vacuum
  3. 3.3Injector return test
  4. 3.4Common rail pressure measurement
  5. 3.5System leak test
  6. 3.6Pressure regulator valve check
  7. 3.7Compression test and its relationship
  8. 3.8Fuel quality checks
  9. 3.9Air in the circuit and locating it
  10. 3.10Practice: a test battery on an engine
  1. 4.1Hard starting when cold and hot
  2. 4.2Loss of power and black smoke
  3. 4.3White and blue smoke: causes
  4. 4.4Unstable idle and cylinder misfires
  5. 4.5Abnormal combustion noise
  6. 4.6Excessive fuel consumption
  7. 4.7Oil dilution by fuel
  8. 4.8Unexpected engine stall
  9. 4.9Intermittent codes and their management
  10. 4.10Practice: diagnosing five cases
  1. 5.1Removing and handling injectors
  2. 5.2Bench testing of injectors
  3. 5.3Coding and adaptation of new injectors
  4. 5.4Cleaning and repair: what is viable
  5. 5.5High-pressure pump: diagnosis and replacement
  6. 5.6System contamination and flushing
  7. 5.7Original and alternative parts
  8. 5.8Warranties and manufacturer requirements
  9. 5.9Mistakes that destroy a new system
  10. 5.10Practice: intervention plan for a contaminated system
  1. 6.1Fuel filtration and its importance
  2. 6.2Water in fuel and separators
  3. 6.3Preventive system maintenance
  4. 6.4Relationship between injection and particulate filter
  5. 6.5Tampering with the emissions system: legal consequences
  6. 6.6Verification after repair
  7. 6.7Operator and workshop training
  8. 6.8Record documentation
  9. 6.9Common diagnostic errors
  10. 6.10Final project: electronic injection diagnostic protocol
Methodology, software & labs

How you'll learn

100 % online training on the SEIUM campus, with downloadable material, recorded classes and an assigned technical tutor. There are no fixed timetables: students progress at their own pace within the intake, making it possible to combine study with work.

Each module combines theory, guided reading of the original standard and applied exercises. The working software is Bosch ESI[tronic], Delphi DS, TEXA IDC5, Jaltest, Cummins INSITE, in free, academic or evaluation versions. Tests are studied using real procedures for injector return flow testing, rail pressure measurement with an oscilloscope, and injector coding and adaptation. Assessment is continuous per module plus the final integrative project.

Accreditable laboratories(EN ISO/IEC 17025) with rotor test bench, EMC/Lightning pre-compliance, HIL/SIL, vibration/acoustics.
Evidence-oriented final project:safety case, test plan, compliance dossier and operational limits.
Industry-mentored:lecturers with experience in training, , eVTOL/UAM and flight test.
Flexible format(hybrid/online), international cohorts and support from SEIUM Career Services.
Ethics and safety:safety-by-design approach, cyber-OT, DIH and compliance as core pillars.
Capstone project

Build it end to end

Your final project follows the real engineering workflow, step by step, reviewed by your tutor.

Fuel filtration and its importance

Describe common rail, unit injector and electronic distributor pump architectures.

Water in fuel and separators

Use diagnostic equipment and manufacturer technical documentation.

Preventive system maintenance

Carry out tests on the low- and high-pressure fuel circuits.

Relationship between injection and particulate filter

Diagnose starting, power and smoke faults from symptoms and data.

Tampering with the emissions system: legal consequences

Test, replace and code injectors and sensors.

Career opportunities

Where this takes you

Diesel diagnostics technicianHeavy vehicle mechanicDiesel laboratory technicianAgricultural machinery technicianWorkshop managerAutomotive technical trainer
Admissions & scholarships

Requirements

  • No prior qualification required.
  • Internet connection and a computer capable of running the programme's software.
  • Spanish language level sufficient to follow technical regulatory reading.

Ready to start?

Send your application today. Our admissions team replies within 72 hours with your study plan and funding options.

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FAQ

Frequently asked questions

The programme comprises 300 hours in total, spread over 3 to 5 months. That is an average of 10 to 15 hours per week, compatible with a full-time job.

You will work with Bosch ESI[tronic], Delphi DS, TEXA IDC5, Jaltest and Cummins INSITE. Free, academic or evaluation versions are used, and the tutor indicates the free alternative where one exists.

A SEIUM diploma upon passing the continuous assessment and the integrative project. This is in-house training, not an official Ministry qualification.

Yes. Modules passed in a course or postgraduate diploma in the same area are credited towards the advanced programme. Check the recognition policy when you enrol.

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