SENIOR VEHICLE DIAGNOSTIC & ELECTRICAL SPECIALIST

TIGER PATH PTE. LTD. JOB VACANCY – SENIOR VEHICLE DIAGNOSTIC & ELECTRICAL SPECIALIST Position: Senior Commercial Vehicle Diagnostic & Electrical Specialist / Technical Team Leader Work Location: 8 Penjuru Place, #01-40, Singapore 608780 Monthly Salary: SGD 3,500–6,900, depending on technical expertise, diagnostic capability and relevant experience. Experience: Minimum 5 years of hands-on commercial vehicle diagnostic, repair and troubleshooting experience. Experience in Singapore or Malaysia commercial vehicle workshops is strongly preferred.

1. POSITION OVERVIEW

Tiger Path Pte. Ltd. is seeking an experienced, highly skilled Commercial Vehicle Diagnostic & Electrical Specialist to lead complex troubleshooting and technical repair activities in our workshop. The candidate must be capable of independently diagnosing, investigating and resolving mechanical, electrical, electronic and engine-management-related faults on prime movers, heavy-duty trucks, commercial vehicles, trailers and diesel-powered vehicles. The specialist must demonstrate advanced proficiency with Jaltest Commercial Vehicle (CV) Diagnostic Software, diagnostic interface hardware, communication cables, wiring diagrams, multimeters, oscilloscopes and other professional diagnostic equipment . The successful candidate will act as the workshop's principal diagnostic troubleshooter, provide technical guidance to mechanics and technicians, and support the Workshop Manager in resolving difficult vehicle faults efficiently.

1. MAIN JOB RESPONSIBILITIES

A. Advanced Vehicle Diagnostics and Troubleshooting Conduct full-system electronic diagnostics using Jaltest and compatible OEM diagnostic systems.

Independently identify and resolve complex electrical, electronic, mechanical and engine-management faults.

Retrieve, interpret and analyse fault codes, freeze-frame information, live sensor data and diagnostic histories.

Troubleshoot recurring, intermittent and multiple simultaneous fault codes.

Investigate faults that other mechanics are unable to resolve.

Perform systematic root-cause analysis instead of relying on trial-and-error parts replacement.

Investigate breakdowns, engine derating, no-start conditions, intermittent shutdowns and communication faults.

Determine whether faults originate from mechanical components, wiring harnesses, sensors, actuators, ECUs, software or vehicle communication systems.

Prepare clear diagnostic findings and corrective-action recommendations.

B. Diesel Engine and Fuel Injection Systems Diagnose electronic diesel injection systems, common-rail fuel injection, electronic unit injectors and electronic unit pumps.

Troubleshoot injector electrical faults, injector coding issues, fuel pressure faults and fuel delivery problems.

Investigate fuel rail pressure, pressure regulator, metering valve and associated sensor faults.

Diagnose engine misfiring, unstable idle, excessive smoke, power loss and difficult starting.

Troubleshoot turbocharger controls, electronic wastegates, variable-geometry turbocharger actuators, boost pressure and air-management systems.

Diagnose coolant temperature, oil pressure, crankshaft position, camshaft position, airflow and exhaust pressure sensor faults.

Conduct injector balance and cylinder contribution tests where supported.

Carry out approved injector coding, adaptations, calibrations and engine-system resets.

Identify mechanical faults that may produce electronic fault codes.

C. Euro 4, Euro 5 and Euro 6 Emission Systems Diagnose diesel emission-control systems fitted to Euro 4, Euro 5 and Euro 6 vehicles.

Investigate SCR (Selective Catalytic Reduction) systems, AdBlue/DEF dosing systems, NOx sensors and related control faults.

Troubleshoot EGR valves, EGR coolers, DPF systems and exhaust pressure sensors.

Identify causes of excessive soot loading, unsuccessful DPF regeneration and emission-related engine derating.

Diagnose AdBlue dosing pumps, injectors, heaters, tank sensors and control circuits.

Perform manufacturer-approved DPF regeneration and system adaptations where appropriate.

Diagnose repeated emission-related warning lights and unresolved fault codes.

Restore the emission-control system to its correct operating condition without bypassing or disabling safety or emission equipment.

D. Electrical, Electronics and ECU Troubleshooting Read and interpret electrical wiring diagrams and electronic circuit schematics.

Diagnose 12V and 24V automotive electrical systems.

Troubleshoot open circuits, short circuits, poor grounding, high-resistance connections and voltage drops.

Inspect and diagnose damaged wiring harnesses, connectors, relays, fuses, control modules and power distribution circuits.

Investigate CAN Bus, J1939 and other supported vehicle communication network faults.

Troubleshoot ECU/ECM communication issues and module power-supply problems.

Diagnose starting, charging, alternator, starter-motor and battery-management systems.

Diagnose lighting, indicators, instrument clusters, body-control systems and electrical accessories.

Use multimeters, oscilloscopes, test probes, current clamps and manufacturer-approved diagnostic tools.

Carry out authorised module configuration, calibration and software-related service procedures when supported.

E. Transmission, Brake, Steering and Chassis Diagnostics Diagnose automated manual transmissions and electronically controlled gearboxes.

Troubleshoot transmission fault codes, gear-selection faults, clutch actuators and shift-control problems.

Perform supported transmission adaptations and calibrations.

Diagnose ABS, EBS, traction control, ESC and electronic braking faults.

Investigate wheel-speed sensors, brake-system wiring and control-module communication issues.

Diagnose electronic air suspension, ECAS, vehicle level-control and air-pressure monitoring faults.

Troubleshoot electronic steering-related warning systems and chassis electronics where fitted.

Diagnose trailer electrical systems, EBS and truck-to-trailer communication issues.

1. JALTEST DIAGNOSTIC SOFTWARE & EQUIPMENT EXPERTISE

The candidate must be highly competent in the following: Jaltest CV (Commercial Vehicle) diagnostic software.

Jaltest diagnostic interface / VCI and communication cables.

Correct vehicle connector selection and connection procedures.

Full vehicle ECU scanning and system identification.

Diagnostic Trouble Code (DTC) interpretation.

Live-data measurement, recording and analysis.

Sensor and actuator functional testing.

Manufacturer-supported injector coding.

Electronic component calibration and adaptation.

ECU parameter configuration where authorised and supported.

DPF service functions and SCR diagnostics.

Engine cylinder contribution and cut-out tests where supported.

Electrical wiring diagram interpretation.

Diagnostic report generation and fault-history recording.

Diagnostic software updates, licence management and equipment care.

Experience with additional OEM and multi-brand diagnostic systems is a strong advantage, including: Scania SDP3 / SWS.

Volvo Tech Tool.

MAN-cats or MAN OEM diagnostic platforms.

Mercedes-Benz XENTRY.

Mitsubishi FUSO OEM diagnostic systems.

Hino DX.

Isuzu G-IDSS / applicable OEM diagnostic platforms.

Bosch ESI[tronic].

TEXA IDC5 / IDC6.

Cummins INSITE.

Allison DOC and ZF-related diagnostic systems.

The candidate must understand that diagnostic functions vary by vehicle model, ECU generation, software version, available licence and manufacturer authorisation.

1. VEHICLE BRANDS AND TYPES

Strong experience with heavy commercial vehicles, particularly the following makes, is required or preferred: Vehicle Category Manufacturer / Brand Heavy prime movers Scania, Volvo, MAN, Mercedes-Benz, DAF, Renault Trucks Japanese heavy trucks Mitsubishi FUSO, Hino, Isuzu, UD Trucks, Nissan Diesel Medium and light trucks Mitsubishi Canter, FUSO Fighter, Hino 300/500/700, Isuzu N-Series/F-Series, Toyota Dyna European commercial vehicles IVECO, Mercedes-Benz Atego/Actros/Arocs, Volvo FL/FM/FH, MAN TGL/TGM/TGS/TGX Chinese commercial trucks Sinotruk HOWO, Shacman, Foton, Dongfeng, FAW, JAC Korean commercial trucks Hyundai, Kia commercial vehicle models Buses and coaches Scania, Volvo, MAN, Mercedes-Benz, Hino, Isuzu and other commercial buses Trailers and semi-trailers Electronic ABS/EBS systems, trailer electrical connections and related braking electronics Light commercial vehicles Toyota Hiace, Nissan, Mitsubishi, Ford Transit, Mercedes-Benz Sprinter and equivalent models Vehicle configurations include: Prime movers, tractor heads, container transport trucks, rigid lorries, tipper trucks, refrigerated trucks, delivery trucks, tankers, heavy-duty trucks and other commercial diesel vehicles. Experience covering Euro 4, Euro 5 and Euro 6 diesel systems is particularly important. Knowledge of older mechanical injection systems and newer electronic engine-management technologies is an advantage.

1. WORKSHOP TECHNICAL LEADERSHIP

The specialist shall also act as a senior technical resource for the workshop team. Responsibilities include: Lead complex diagnostic and electrical troubleshooting assignments.

Guide junior mechanics, electricians and service technicians.

Allocate troubleshooting tasks according to technicians' skills.

Review unresolved faults and develop repair action plans.

Provide technical direction before major repair or parts replacement.

Coordinate with the Workshop Manager regarding job priority and vehicle downtime.

Support technical training in vehicle electronics, diagnostic software and fault investigation.

Confirm repairs by conducting appropriate functional tests and final diagnostic scans.

Ensure diagnostic results and recommendations are correctly recorded in job cards.

Explain technical faults to management and customers in clear, understandable language.

Recommend suitable tools, software upgrades, equipment and workshop technical improvements.

Promote safe work practices, accurate troubleshooting and efficient turnaround times.

1. REQUIRED EXPERIENCE AND QUALIFICATIONS

Mandatory Requirements Minimum 5 years of practical experience in commercial vehicle diagnostics, auto-electrical repairs or heavy-duty truck troubleshooting.

Proven independent troubleshooting capability on diesel-powered commercial vehicles.

Strong understanding of modern diesel engine electronic-control systems.

Ability to operate Jaltest or comparable professional multi-brand commercial vehicle diagnostic software independently.

Ability to interpret ECU fault codes, live data, electrical schematics and wiring diagrams.

Competence in electrical testing, fault isolation and practical repair verification.

Hands-on experience with Euro 4, Euro 5 or Euro 6 commercial diesel vehicles.

Ability to lead and technically support workshop mechanics.

Strong problem-solving ability and disciplined root-cause investigation.

Ability to communicate diagnostic findings and prepare technical reports.

Preferred Qualifications NITEC, Higher NITEC, Diploma or equivalent technical qualification in Automotive Engineering, Automotive Electrical/Electronics, Mechanical Engineering, Mechatronics or related fields.

Previous employment in established prime mover, heavy-truck or commercial vehicle workshops in Singapore or Malaysia.

Specific practical experience with Scania, Volvo, MAN, Mitsubishi FUSO, Hino, Isuzu and Mercedes-Benz commercial trucks.

Experience in OEM diagnostic software, ECU configuration and authorised service procedures.

Experience handling difficult electrical faults and previously unresolved workshop cases.

Previous responsibility as Senior Diagnostic Technician, Master Technician, Workshop Technical Supervisor or Auto Electrical Specialist.

1. EXPECTED WORK PERFORMANCE

The successful candidate is expected to: Independently troubleshoot difficult electrical and electronic faults.

Identify actual root causes before recommending costly repairs.

Reduce repeat repairs, unnecessary replacement of components and vehicle downtime.

Lead complex troubleshooting work and provide technical support to junior technicians.

Carry out structured pre-repair and post-repair diagnostic assessments.

Maintain accurate technical records and diagnostic reports.

Improve the workshop's capability to handle modern Euro 4, Euro 5 and Euro 6 commercial vehicles.

Maintain a high standard of workmanship, safety and customer service.

1. REMUNERATION

Basic Monthly Salary: SGD 3,500–4,000 Final salary will depend on: Actual hands-on diagnostic expertise.

Ability to independently resolve complicated vehicle faults.

Familiarity with Jaltest and other professional diagnostic platforms.

Experience with multiple heavy commercial vehicle brands.

Practical electrical and electronic troubleshooting competency.

Workshop technical leadership experience.

Other employment terms and applicable statutory benefits will be confirmed in accordance with the employment contract and Singapore requirements.

1. APPLICATION REQUIREMENTS

Interested candidates should submit: Updated CV / resume.

Details of previous workshop employment and relevant experience.

List of commercial vehicle brands and models worked on.

List of diagnostic software and equipment used.

Examples of difficult vehicle electrical or electronic faults successfully diagnosed.

Relevant technical certificates, where available.

Current and expected salary.

Earliest available commencement date.

Tiger Path Pte. Ltd. 8 Penjuru Place, #01-40, Singapore 608780 Position: Senior Vehicle Diagnostic & Electrical Specialist / Technical Team Leader