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Diagnostic & Systems Technician

HIGH Demand· Rs.120k+ /mo

About This Role

Uses advanced electronic scanning tools to troubleshoot complex engine and electronic control unit (ECU) faults.

A Day in the Life

You diagnose vehicle faults using electronic scan tools and system-level analysis, pinpointing issues across engine, transmission, ABS, and electronic control systems to guide accurate repairs.

  • Connect OBD-II/OBD scanners and retrieve live data and fault codes
  • Interpret DTCs (Diagnostic Trouble Codes) across CAN bus systems
  • Test electronic control units (ECU), sensors, and actuators
  • Perform visual inspections of wiring harnesses and connector integrity
  • Use oscilloscopes and multimeters for electrical fault tracing
  • Run vehicle through dynamic tests and road assessments to verify symptoms
  • Prepare written diagnostic reports for repair technicians
  • Advise service advisors on repair scope, parts, and estimated labour

Work Environment

INDOORTeam: SMALLUNIFORMRemote: NONE

Automotive workshop diagnostic bay — controlled indoor environment with vehicle lifts, diagnostic workstations, and specialist scan tools. Senior diagnostic technicians often work in dedicated diagnostic bays separate from general workshop traffic. In Sri Lanka, vehicle importers and authorised service centres invest in factory-level diagnostic equipment.

Skills Required

Required

Automotive Electrical & Diagnostic Systems

Preferred

Automotive Repair & Maintenance

Technical Skills

OBD-II/III diagnostic scanning and DTC interpretationCAN bus and network communications analysisElectrical circuit diagnosis using oscilloscopes and multimetersECU flashing and software update proceduresEngine and drivetrain systems knowledge

Soft Skills

Systematic problem-solving and logical thinkingAttention to detail in fault documentationCommunication of technical findings to non-technical staffPatience with intermittent and complex faultsContinuous self-learning to keep up with new vehicle models

How to Qualify in Sri Lanka

View all paths →

At a Glance

SL DemandHIGH
Remote WorkNONE

Sectors

Private

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Frequently Asked Questions

You diagnose vehicle faults using electronic scan tools and system-level analysis, pinpointing issues across engine, transmission, ABS, and electronic control systems to guide accurate repairs.

To become a Diagnostic & Systems Technician in Sri Lanka. Relevant degree programmes include: Engineering Technology (ET), Engineering Technology (ET). Explore step-by-step career roadmaps contributed by Sri Lankan Diagnostic & Systems Technicians at paths.lk/career-paths/diagnostic-systems-technician.

In Sri Lanka, a Diagnostic & Systems Technician earns between LKR 120k and LKR 120k/month.

Key skills for a Diagnostic & Systems Technician in Sri Lanka: Automotive Electrical & Diagnostic Systems. Important soft skills: Systematic problem-solving and logical thinking, Attention to detail in fault documentation, Communication of technical findings to non-technical staff.

Automotive workshop diagnostic bay — controlled indoor environment with vehicle lifts, diagnostic workstations, and specialist scan tools. Senior diagnostic technicians often work in dedicated diagnostic bays separate from general workshop traffic. In Sri Lanka, vehicle importers and authorised service centres invest in factory-level diagnostic equipment.