Assessor Resource

AURETH012
Service and maintain electrical components in hybrid electric vehicles

Assessment tool

Version 1.0
Issue Date: March 2024


This unit describes the performance outcomes required to service and maintain electrical components in hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs). It involves working with the automotive electrical components and electrical systems that support the control and operation of the vehicle. Importance is placed in the unit on applying high voltage (HV) rechargeable energy storage system (RESS) electrical safety procedures.

It applies to those working in the automotive service and repair industry.

No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.

You may want to include more information here about the target group and the purpose of the assessments (eg formative, summative, recognition)



Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

Elements

Elements describe the essential outcomes.

Performance Criteria

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold and italicised text is used, further information is detailed in the range of conditions section.

1. Prepare to service and maintain electrical components in HEVs and PHEVs

1.1 Job requirements are determined from workplace instructions

1.2 Workplace procedures and manufacturer specifications are accessed and interpreted

1.3 Hazards associated with the work are identified and risks are managed according to safety requirements and AS 5732 Electric vehicle operations - Maintenance and repair

1.4 Tools and equipment are selected and checked for serviceability

2. Test electrical systems and components

2.1 Diagnostic equipment is used to retrieve system parameters and information

2.2 HEV or PHEV systems and components are tested for electrical efficiency according to manufacturer specifications

2.3 Electrical circuits are tested according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems

2.4 Faults in HEV or PHEV electrical systems and components are identified

3. Service and maintain electrical systems and components

3.1 Problems associated with performance of electrical systems and components are identified, and appropriate corrective action is taken

3.2 Faults within electrical systems and components are identified and required corrective action is taken or reported according to workplace procedures

3.3 Components are repaired, replaced and adjusted according to manufacturer and component specifications and workplace procedures

3.4 Post-service testing is carried out to ensure correct and safe operation of HEV and PHEV, any reported problems are resolved, and no other problems are present

4. Complete work processes

4.1 Final inspection is made to ensure work is to workplace expectations and vehicle or equipment is presented ready for use

4.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected

4.3 Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures

4.4 Workplace documentation is processed according to workplace procedures

Before competency can be determined, individuals must demonstrate they can perform the following according to the standard defined in the unit’s elements, performance criteria, range of conditions and foundation skills:

safely test, service and maintain two different hybrid electric vehicles (HEVs) or plug-in hybrid electric vehicles (PHEVs).

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to servicing and maintaining HEV and PHEV electrical components, including procedures for:

identifying hazards and controlling risks associated with:

working with high voltages on HEV and PHEV electrical systems

wearing jewellery while working around high electrical currents

determining appropriate procedures for minimising risk associated with hazards, including applying electrical safety precautions when:

using personal protective equipment (PPE), including electrical safety gloves with 1000 volt rating and Australian standards rated high voltage (HV) insulating mat

identifying and using firefighting equipment as appropriate

using the ‘one hand’ rule

following live system warning tags and signs

depowering vehicle

isolating HV rechargeable energy storage system (RESS) electrical supply

stabilising vehicle electrical system

requirements of AS 5732 Electric vehicle operations - Maintenance and repair

key electrical components of HEVs and PHEVs and their functions

RESS battery construction, including:

battery internal resistance

battery types

terminal corrosion

terminal resistance

key components of RESS theory, including:

cell failure theory

charging characteristics

open circuit cells

reverse polarisation

series cell configuration

strapping and layout

different types of HEVs and PHEVs, including:

series, parallel and series parallel

strong, mid or weak hybrid systems

operating principles of RESS and battery management system (BMS)

key characteristics of HV battery charger and direct current (DC) to DC converter

operating principles of power distribution unit (PDU).

Assessors must satisfy NVR/AQTF assessor requirements.

Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.

Assessment must include direct observation of tasks.

Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the electrical systems and components they have serviced and maintained in HEVs or PHEVs, e.g. repair orders.

Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.

The following resources must be made available:

automotive repair workplace or simulated workplace

PPE, including electrical safety gloves with 1000 volt rating and Australian standards rated HV insulating mat

manufacturer specifications and service procedures for the HEVs or PHEVs being worked on

AS 5732 Electric vehicle operations - Maintenance and repair

two different operational HEVs or PHEVs requiring service and maintenance

electrical test equipment appropriate to the HEVs and PHEVs being serviced, including:

digital multimeter with Cat III 1000 volt rating

insulation tester

residual voltage tester, if specified in original equipment manufacturer (OEM) test requirements

scan tool

tools, equipment and materials appropriate for servicing and maintaining HEVs and PHEVs.


Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assingnment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)


Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

Elements

Elements describe the essential outcomes.

Performance Criteria

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold and italicised text is used, further information is detailed in the range of conditions section.

1. Prepare to service and maintain electrical components in HEVs and PHEVs

1.1 Job requirements are determined from workplace instructions

1.2 Workplace procedures and manufacturer specifications are accessed and interpreted

1.3 Hazards associated with the work are identified and risks are managed according to safety requirements and AS 5732 Electric vehicle operations - Maintenance and repair

1.4 Tools and equipment are selected and checked for serviceability

2. Test electrical systems and components

2.1 Diagnostic equipment is used to retrieve system parameters and information

2.2 HEV or PHEV systems and components are tested for electrical efficiency according to manufacturer specifications

2.3 Electrical circuits are tested according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems

2.4 Faults in HEV or PHEV electrical systems and components are identified

3. Service and maintain electrical systems and components

3.1 Problems associated with performance of electrical systems and components are identified, and appropriate corrective action is taken

3.2 Faults within electrical systems and components are identified and required corrective action is taken or reported according to workplace procedures

3.3 Components are repaired, replaced and adjusted according to manufacturer and component specifications and workplace procedures

3.4 Post-service testing is carried out to ensure correct and safe operation of HEV and PHEV, any reported problems are resolved, and no other problems are present

4. Complete work processes

4.1 Final inspection is made to ensure work is to workplace expectations and vehicle or equipment is presented ready for use

4.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected

4.3 Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures

4.4 Workplace documentation is processed according to workplace procedures

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Safety requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for:

identifying hazards and controlling risks associated with:

working with high voltages on HEV and PHEV electrical systems

wearing jewellery while working around high electrical currents

determining appropriate procedures for minimising risk associated with hazards, including applying electrical safety precautions when:

using personal protective equipment (PPE), including electrical safety gloves with 1000 volt rating and Australian standards rated HV insulating mat

identifying and using firefighting equipment as appropriate

using the ‘one hand’ rule

following live system warning tags and signs

depowering vehicle

isolating HV RESS electrical supply

stabilising vehicle electrical system.

Tools and equipment must include:

those specified in the specific vehicle service maintenance procedures, including:

digital multimeter with Cat III 1000 volt rating

insulation tester

residual voltage tester, if specified in original equipment manufacturer (OEM) test requirements

scan tool.

Corrective action must include:

tightening connections

balancing state of charge

replacing faulty or damaged cable connections

removing and replacing faulty or damaged components.

Before competency can be determined, individuals must demonstrate they can perform the following according to the standard defined in the unit’s elements, performance criteria, range of conditions and foundation skills:

safely test, service and maintain two different hybrid electric vehicles (HEVs) or plug-in hybrid electric vehicles (PHEVs).

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to servicing and maintaining HEV and PHEV electrical components, including procedures for:

identifying hazards and controlling risks associated with:

working with high voltages on HEV and PHEV electrical systems

wearing jewellery while working around high electrical currents

determining appropriate procedures for minimising risk associated with hazards, including applying electrical safety precautions when:

using personal protective equipment (PPE), including electrical safety gloves with 1000 volt rating and Australian standards rated high voltage (HV) insulating mat

identifying and using firefighting equipment as appropriate

using the ‘one hand’ rule

following live system warning tags and signs

depowering vehicle

isolating HV rechargeable energy storage system (RESS) electrical supply

stabilising vehicle electrical system

requirements of AS 5732 Electric vehicle operations - Maintenance and repair

key electrical components of HEVs and PHEVs and their functions

RESS battery construction, including:

battery internal resistance

battery types

terminal corrosion

terminal resistance

key components of RESS theory, including:

cell failure theory

charging characteristics

open circuit cells

reverse polarisation

series cell configuration

strapping and layout

different types of HEVs and PHEVs, including:

series, parallel and series parallel

strong, mid or weak hybrid systems

operating principles of RESS and battery management system (BMS)

key characteristics of HV battery charger and direct current (DC) to DC converter

operating principles of power distribution unit (PDU).

Assessors must satisfy NVR/AQTF assessor requirements.

Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.

Assessment must include direct observation of tasks.

Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the electrical systems and components they have serviced and maintained in HEVs or PHEVs, e.g. repair orders.

Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.

The following resources must be made available:

automotive repair workplace or simulated workplace

PPE, including electrical safety gloves with 1000 volt rating and Australian standards rated HV insulating mat

manufacturer specifications and service procedures for the HEVs or PHEVs being worked on

AS 5732 Electric vehicle operations - Maintenance and repair

two different operational HEVs or PHEVs requiring service and maintenance

electrical test equipment appropriate to the HEVs and PHEVs being serviced, including:

digital multimeter with Cat III 1000 volt rating

insulation tester

residual voltage tester, if specified in original equipment manufacturer (OEM) test requirements

scan tool

tools, equipment and materials appropriate for servicing and maintaining HEVs and PHEVs.

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Job requirements are determined from workplace instructions 
Workplace procedures and manufacturer specifications are accessed and interpreted 
Hazards associated with the work are identified and risks are managed according to safety requirements and AS 5732 Electric vehicle operations - Maintenance and repair 
Tools and equipment are selected and checked for serviceability 
Diagnostic equipment is used to retrieve system parameters and information 
HEV or PHEV systems and components are tested for electrical efficiency according to manufacturer specifications 
Electrical circuits are tested according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems 
Faults in HEV or PHEV electrical systems and components are identified 
Problems associated with performance of electrical systems and components are identified, and appropriate corrective action is taken 
Faults within electrical systems and components are identified and required corrective action is taken or reported according to workplace procedures 
Components are repaired, replaced and adjusted according to manufacturer and component specifications and workplace procedures 
Post-service testing is carried out to ensure correct and safe operation of HEV and PHEV, any reported problems are resolved, and no other problems are present 
Final inspection is made to ensure work is to workplace expectations and vehicle or equipment is presented ready for use 
Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected 
Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures 
Workplace documentation is processed according to workplace procedures 
Job requirements are determined from workplace instructions 
Workplace procedures and manufacturer specifications are accessed and interpreted 
Hazards associated with the work are identified and risks are managed according to safety requirements and AS 5732 Electric vehicle operations - Maintenance and repair 
Tools and equipment are selected and checked for serviceability 
Diagnostic equipment is used to retrieve system parameters and information 
HEV or PHEV systems and components are tested for electrical efficiency according to manufacturer specifications 
Electrical circuits are tested according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems 
Faults in HEV or PHEV electrical systems and components are identified 
Problems associated with performance of electrical systems and components are identified, and appropriate corrective action is taken 
Faults within electrical systems and components are identified and required corrective action is taken or reported according to workplace procedures 
Components are repaired, replaced and adjusted according to manufacturer and component specifications and workplace procedures 
Post-service testing is carried out to ensure correct and safe operation of HEV and PHEV, any reported problems are resolved, and no other problems are present 
Final inspection is made to ensure work is to workplace expectations and vehicle or equipment is presented ready for use 
Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected 
Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures 
Workplace documentation is processed according to workplace procedures 

Forms

Assessment Cover Sheet

AURETH012 - Service and maintain electrical components in hybrid electric vehicles
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:


Assessment Record Sheet

AURETH012 - Service and maintain electrical components in hybrid electric vehicles

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: