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Vehicle Electrical System Maintainance

Automotive Mechatronics Technology · Level 6  ·  7 Chapters

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What Vehicle Electrical System Maintainance covers

In this unit, you will be able to confidently maintain and troubleshoot vehicle electrical systems, ensuring safety and efficiency in your workspace. By mastering the use of tools, following industry standards, and communicating professionally with customers, you’ll be ready to diagnose, repair, and overhaul starting systems—including smart and auto start/stop features—just like a skilled technician. By the end, you’ll have the practical know-how to deliver reliable service and keep vehicles running smoothly, making you a valuable asset in the automotive trade.

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Careers after Vehicle Electrical System Maintainance

In Kenya, mastering vehicle electrical system maintenance opens doors to vibrant career opportunities across various sectors where vehicles are essential to daily operations and economic growth. Whether you dream of working in a busy jua kali workshop, supporting the matatu industry, or maintaining fleet vehicles for county governments, your skills will be in high demand. This expertise not only earns you a steady income through employment but also empowers you to start your own garage or mobile repair service, serving communities that rely heavily on reliable transport.

  • Jua Kali Workshops and Auto Garages: Skilled technicians are needed to diagnose and repair electrical faults in vehicles, helping matatu operators and private car owners keep their vehicles on the road. You can earn a living by providing quality, trusted repairs and maintenance services.
  • Matatu Industry and Transport Companies: Matatus and commercial trucks frequently require electrical system checks and repairs to ensure safety and compliance. Your ability to use diagnostic tools and follow manufacturer manuals makes you indispensable in keeping public transport vehicles operational.
  • County Government and Public Service Vehicles: County works departments maintain fleets of service vehicles. Your skills ensure these vehicles remain reliable and safe, contributing to efficient public service delivery.
  • Agribusiness and KTDA: Agricultural transport vehicles and machinery depend on well-maintained electrical systems. Your expertise supports the smooth movement of goods from farms to markets, boosting Kenya’s agricultural economy.
  • KenGen and Industrial Fleets: Large organizations with vehicle fleets need technicians to maintain electrical systems, preventing costly downtime and ensuring operational efficiency.
  • Self-Employment Opportunities: With your skills, you can start a mobile vehicle electrical repair service or open a workshop, serving clients who need quick and reliable electrical system maintenance.

By mastering vehicle electrical system maintenance, you position yourself as a vital part of Kenya’s transport and industrial sectors. Your knowledge not only powers vehicles but also drives your career forward, creating opportunities for growth, independence, and contribution to Kenya’s development. Keep learning and stay passionate—your skills are the spark that keeps Kenya moving!

Chapters

1
Observe occupational health and safety rules and regulations
3 topics
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2
Gather information from vehicle repair manual
4 topics
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3
Service vehicle starting system
45 topics
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4
Servicing vehicle charging system
10 topics
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5
Service vehicle ignition system
9 topics
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6
Servicing vehicle lighting system
25 topics
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7
Document service records
5 topics
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What Vehicle Electrical System Maintainance covers: 53 main topics in 7 chapters

1. Observe occupational health and safety rules and regulations

  1. 1.1 Personal protective equipment (PPE) are used according to OSHA 2007 according to the designated purpose maintained and stored according to manufacturer's specifications
  2. 1.4 Workspace housekeeping is maintained according to Standard Operating Procedures (SOPs)
  3. 1.5 Workplace is organized according to design specifications

2. Gather information from vehicle repair manual

  1. 2.1 Customer concerns are received as per SOPs
  2. 2.2 Customer concerns are confirmed and established as accurate using warrant agreement as per SOPs
  3. 2.3 Vehicle Identity information is obtained and a matching manual identified as per workshop procedure
  4. 2.4 Vehicles manual is read through to obtain complete service instructions to carry out vehicle servicing as per manufacturers specifications

3. Service vehicle starting system

  1. 3.1 Types and uses of diagnostic scan tools
  2. 3.2 Tools and components used in vehicle starting procedure
  3. 3.3 Testing functionality of engine immobilizer
  4. 3.4 Checking authorization values for actual drive/ start
  5. 3.5 Carrying out measurements including
  6. 3.6 Repairing of damaged wiring circuits
  7. 3.7 Overhauling starter motor
  8. 3.8 Replacing of faulty components including;
  9. 3.9 Mechatronic programming
  10. 3.10 Servicing and repairing system components
  11. 3.11 Fault diagnosis
  12. 3.12 Data collection and analysis

4. Servicing vehicle charging system

  1. 4.1 Reading out charging system fault codes and on-board charging system data values
  2. 4.2 Testing voltage and current using multimeter / oscilloscope
  3. 4.3 Testing battery charging rate and charge storage capacity
  4. 4.4 Overhauling alternator
  5. 4.5 Testing alternator components
  6. 4.6 Replacing defective components
  7. 4.7 Testing system functionality
  8. 4.8 Scheduling / planning for maintenance
  9. 4.9 Types of maintenance
  10. 4.10 Machine operation

5. Service vehicle ignition system

  1. 5.1 Checking battery condition and functionality
  2. 5.2 Replacing ignition coil
  3. 5.3 Replacing ignition distributor and distributor cap
  4. 5.4 Replacing spark plug and high tension cables
  5. 5.5 Servicing ignition key
  6. 5.6 Carrying out ignition timing
  7. 5.7 Performing electronic ignition fault diagnosis

6. Servicing vehicle lighting system

  1. 6.1 Reading system fault codes
  2. 6.2 Conditions of bulbs / LEDs
  3. 6.3 Wiring system components
  4. 6.4 Replacing headlamps
  5. 6.5 Replacing wire harness and connectors
  6. 6.6 Replacing main headlight, interior lights and reverse lights
  7. 6.7 Replacing direction indicator lights and flasher unit
  8. 6.8 Updating lighting system control unit software
  9. 6.9 Setting headlight beam
  10. 6.10 Carrying software update on lighting system control units
  11. 6.11 Interpreting circuits
  12. 6.12 Interpreting working drawings

7. Document service records

  1. 7.1 Recording service work done on owner's manuals assessments
  2. 7.2 Recording work done on the workshop job card
  3. 7.3 Preparing a report for the customer that includes all the work that was carried out during the routine maintenance
  4. 7.4 Preparing a report to advise the customer of any further defect (s) that were identified during the routine maintenance, with recommendations for further action
  5. 7.5 Completing maintenance records accurately in approved format

Revise this unit

Exam-style questions 98 Written to CDACC standard, with answers Test yourself 154 Multiple-choice, one at a time Practise questions 124 Quick recall — check you know the facts
3 more for this unit
Oral exam preparation 37 What the assessor asks, and how to answer out loud Worked calculations 21 Step-by-step maths with the common mistakes Quick cards 774 Myth busters, skill tips and scenarios

Beyond the syllabus

Decision simulator 4 On site, what would you do? Workplace scenarios 80 Real site situations — what would you do? Turn this into income 48 Where this skill earns — what to charge, how to find clients

Other units in Module III