Remove and replace light vehicle electrical units and components
URN: IMILV03
Business Sectors (Suites): Maintenance and Repair - Light Vehicle
Developed by: IMI
Approved on:
30 Mar 2020
Overview
This NOS is about removing and replacing units and components previously identified as faulty or damaged or where the customer has requested replacements. It is also about evaluating the performance of replaced units and components.
The units and components concerned are not those replaced as part of normal routine vehicle maintenance.
Performance criteria
You must be able to:
P1 use suitable personal and vehicle protective equipment throughout all removal and replacement activities
P2 support your removal and replacement activities by reviewing:
P2.1 vehicle technical dataP2.2 removal and replacement proceduresP2.3 legal requirementsP3 prepare, check and use all the equipment required following manufacturers' instructionsP4 prepare the vehicle systems and work area for safe working procedures, as appropriate to the vehicleP5 carry out all removal and replacement activities following;P5.1 manufacturers' instructionsP5.2 your workplace proceduresP5.3 health, safety and environmental requirementsP6 work in a way which minimises the risk of:P6.1 damage to other vehicle systemsP6.2 damage to other vehicle components and unitsP6.3 contact with leakageP6.4 contact with hazardous substancesP7 ensure replacement electrical auxiliary units and components conform to the vehicle operating specification and any legal requirementsP8 record and report any additional faults you notice during the course of your work promptlyP9 use suitable testing methods to evaluate the performance of the reassembled system accuratelyP10 ensure the reassembled system performs to the vehicle operating specification and meets any legal requirements prior to return to the customerP11 ensure your records are accurate, complete and passed to the relevant person(s) within the agreed timescale and in the format requiredP12 complete all removal and replacement activities within the agreed timescaleP13 report any expected delays in completion to the relevant person(s) promptly
Knowledge and Understanding
You need to know and understand:
Legislative and organisational requirements and procedures
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K1 the legal requirements relating to the vehicle (including road safety and refrigerant handling, fuel storage, high voltage or other requirements)
K2 the legislation and workplace procedures relevant to
K2.1 health and safetyK2.2 the environment (including waste disposal)K2.3 appropriate personal and vehicle protective equipmentK3 the importance of documenting removal and replacement informationK4 the importance of working to agreed timescales and keeping others informed of progressK5 the relationship between time and costsK6 the importance of reporting anticipated delays to the relevant person(s) promptly
Use of technical information
K7 how to find, interpret and use sources of information applicable to electrical units and component removal and replacementK8 the importance of using the correct sources of technical informationK9 the purpose of and how to use identification codes
Electrical auxiliary system operation and construction
K10 how electrical units and components are constructed, removed and replaced for the classification of vehicle worked uponK11 how electrical units and components operate for the classification of vehicle worked upon
Equipment
K12 how to prepare, check and use all the removal and replacement equipment required
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Electrical and electronic principles
K13 vehicle earthing principles and earthing methodsK14 electrical and electronic principles associated with electrical systems, including types of sensors and actuators, their application and operationK15 types of circuit protection and why these are necessaryK16 electrical safety proceduresK17 how lighting, warning, charging and starter circuits workK18 electric symbols, units and termsK19 electrical/electronic control system principlesK20 the hazards associated with working on or near high energy electrical vehicle components
Electrical units and component removal and replacement
K21 how to remove and replace *electrical units and components for the classification of vehicle worked uponK22 how to test and evaluate the performance of replacement electrical units and components and the reassembled system against the vehicle operating specifications and any legal requirementsK23 the relationship between testing methods and the electrical units and components replaced – the use of appropriate test methodsK24 the manufacturer’s specification for the type and quality of electrical units and components to be usedK25 how to work safely avoiding damage to other vehicle systems, components and units and contact with leakage and hazardous substances
Scope/range
**1.** **Equipment** is
1.1. hand tools1.2. special workshop tools1.3. general workshop equipment1.4. electrical testing equipment
2. Testing methods are:2.1. visual2.2. aural2.3. functional2.4. measurement
3. Electrical units and components are:**3.1. lighting systems3.2. wiper systems3.3. security and alarm systems3.4. comfort and convenience systems (including infotainment and communications)3.5. electric window systems3.6. monitoring and instrumentation systems
3.7. engine starting systems
3.8. battery charging systems
Scope Performance
Scope Knowledge
Values
Behaviours
Skills
Glossary
This section contains examples and explanations of some of the terms used but does not form part of the standard.
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Agreed timescales:
Examples include: manufacturer's recommended work times, job times set by your company or a job time agreed with a customer.
Comfort and convenience systems:
Examples are infotainment and communications, heated seats, electrically adjusted seats, heated screens, electric mirrors, heating, climate control and air conditioning.
Units and components:
Any unit or component from the electrical systems defined in the Scoping Statement above.
Vehicles:
These can be any of the following – light vehicles, commercial vehicles, motorcycles, mopeds and scooters. Additionally, these vehicles may be SI, CI, Hybrid or Alternative fuel vehicles.
Alternative fuel:*
This is defined as any type of fuel that may be used to power an internal combustion engine, examples would include LPG, bio ethanol etc.
Links To Other NOS
External Links
Version Number
3
Indicative Review Date
31 Mar 2024
Validity
Current
Status
Original
Originating Organisation
IMI Ltd
Original URN
LV03
Relevant Occupations
Engineering, Light Vehicle Service Technician (Automotive), Vehicle Trades
SOC Code
5231
Keywords
Electrical; units; components; remove; replace; light; lighting; alarms; wipers; electrics