This unit describes the performance outcomes required to test an existing wiring harness and loom, remove, fabricate and fit the new wiring harness and loom, and then test its operation. It involves preparing for the task, performing the work, and completing workplace processes and documentation.
It applies to those working in the automotive service and repair industry. The wiring harnesses and looms include those in agricultural machinery, heavy commercial vehicles, light vehicles, vessels, mobile plant machinery, motorcycles or outdoor power equipment.
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 repair wiring harness and loom
1.1 Job requirements are determined according to workplace instructions
1.2 Technical procedures and information are accessed and interpreted
1.3 Hazards associated with the work are identified and risks are managed
1.4 Tools and equipment are selected and checked for serviceability
2. Test wiring harness and loom assembly
2.1 Wiring harness and loom are inspected for damage
2.2 Harness and loom are tested using appropriate tools and fault finding techniques according to workplace procedures and safety and environmental requirements, and without causing damage to components or systems
2.3 Inspection and test results are compared with manufacturer specifications
2.4 Faults are identified from test results and causes of faults are determined
3. Remove wiring harness and loom
3.1 Wiring harness, loom assembly and associated components are labelled before removal
3.2 Harness and loom components are removed according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
4. Repair and refit wiring harness and loom
4.1 Electrical circuit wiring diagrams are accessed and interpreted from manufacturer and component supplier specifications
4.2 Harness and loom are repaired or fabricated using appropriate techniques and according to workplace procedures
4.3 Repaired or fabricated harness and loom assembly is refitted and reconnected according to manufacturer and component supplier specifications
4.4 Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair or fabrication process are rectified
5. Complete work processes
5.1 Final inspection is made to ensure work is to workplace expectations and vehicle, vessel or machinery is presented ready for use
5.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
5.3 Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
5.4 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:
repair an existing basic wiring harness or loom assembly of the wiring systems of two different vehicles, vessels or machinery
fabricate a new basic wiring harness or loom assembly for the wiring system of one vehicle, vessel or machinery.
Individuals must be able to demonstrate knowledge of:
work health and safety (WHS) and occupational health and safety (OHS) requirements relating to repairing wiring harnesses and looms, including procedures for:
using safety data sheets (SDS)
selecting and using personal protective equipment (PPE)
identifying firefighting equipment
safely handling hazardous materials and toxic substances
following soldering equipment safe operating procedures
environmental requirements, including procedures for trapping, storing and disposing of hazardous materials and toxic substances released during repair processes
location and content of workplace procedures and manufacturer specifications relating to wiring harnesses and looms
types of wiring systems found in vehicles, including:
basic single wiring, including:
tailer harness
driving lights harness
accessory wiring harness
complex multi-wiring with varying wire gauges
controller area network databus (CAN-bus) wiring, including:
twisted pair
shielded wiring
testing procedures, including:
accessing electrical terminals and using test probes without damaging connectors, fuse holders or wiring
testing wiring harnesses and looms, including resistance and voltage drop and circuit performance checks
visual and functional assessments, including:
component damage and wear
component corrosion
water and moisture ingress
damaged insulation
frayed wires
burnt wiring
terminal and connector damage
removal procedures for wiring harnesses and looms, including:
accessing wiring and removing panels and covers
removing and replacing components
disconnecting terminals from connectors
repair procedures of wiring harnesses and looms, including:
determining cable and terminal types and sizes according to circuit current draw
wire soldering procedures
terminal crimping
replacing male and female terminals within a connector housing
protecting and routing harness and loom
post-repair testing procedures of wiring harnesses and looms, including procedures for checking full operation of associated electrical systems.
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 vehicle, vessel or machinery wiring harnesses and looms that they have repaired, 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
workplace instructions
manufacturer machinery wiring specifications
three different vehicles, vessels or machinery requiring repairs to their wiring harnesses and looms
tools, equipment and materials appropriate for repairing wiring harnesses and looms, including:
multimeter
continuity tester
crimping tools
soldering equipment
heat gun
terminals and connectors
wire and cabling.
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 repair wiring harness and loom
1.1 Job requirements are determined according to workplace instructions
1.2 Technical procedures and information are accessed and interpreted
1.3 Hazards associated with the work are identified and risks are managed
1.4 Tools and equipment are selected and checked for serviceability
2. Test wiring harness and loom assembly
2.1 Wiring harness and loom are inspected for damage
2.2 Harness and loom are tested using appropriate tools and fault finding techniques according to workplace procedures and safety and environmental requirements, and without causing damage to components or systems
2.3 Inspection and test results are compared with manufacturer specifications
2.4 Faults are identified from test results and causes of faults are determined
3. Remove wiring harness and loom
3.1 Wiring harness, loom assembly and associated components are labelled before removal
3.2 Harness and loom components are removed according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
4. Repair and refit wiring harness and loom
4.1 Electrical circuit wiring diagrams are accessed and interpreted from manufacturer and component supplier specifications
4.2 Harness and loom are repaired or fabricated using appropriate techniques and according to workplace procedures
4.3 Repaired or fabricated harness and loom assembly is refitted and reconnected according to manufacturer and component supplier specifications
4.4 Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair or fabrication process are rectified
5. Complete work processes
5.1 Final inspection is made to ensure work is to workplace expectations and vehicle, vessel or machinery is presented ready for use
5.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
5.3 Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
5.4 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.
Tools and equipment must include:
multimeter
continuity tester
crimping tools
soldering equipment
heat gun
terminals and connectors
wire and cabling.
Safety and environmental requirements must include:
work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for:
using safety data sheets (SDS)
selecting and using personal protective equipment (PPE)
identifying firefighting equipment
safely handling hazardous materials and toxic substances
following soldering equipment safe operating procedures
environmental requirements, including procedures for trapping, storing and disposing of hazardous materials and toxic substances released during repair processes.
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:
repair an existing basic wiring harness or loom assembly of the wiring systems of two different vehicles, vessels or machinery
fabricate a new basic wiring harness or loom assembly for the wiring system of one vehicle, vessel or machinery.
Individuals must be able to demonstrate knowledge of:
work health and safety (WHS) and occupational health and safety (OHS) requirements relating to repairing wiring harnesses and looms, including procedures for:
using safety data sheets (SDS)
selecting and using personal protective equipment (PPE)
identifying firefighting equipment
safely handling hazardous materials and toxic substances
following soldering equipment safe operating procedures
environmental requirements, including procedures for trapping, storing and disposing of hazardous materials and toxic substances released during repair processes
location and content of workplace procedures and manufacturer specifications relating to wiring harnesses and looms
types of wiring systems found in vehicles, including:
basic single wiring, including:
tailer harness
driving lights harness
accessory wiring harness
complex multi-wiring with varying wire gauges
controller area network databus (CAN-bus) wiring, including:
twisted pair
shielded wiring
testing procedures, including:
accessing electrical terminals and using test probes without damaging connectors, fuse holders or wiring
testing wiring harnesses and looms, including resistance and voltage drop and circuit performance checks
visual and functional assessments, including:
component damage and wear
component corrosion
water and moisture ingress
damaged insulation
frayed wires
burnt wiring
terminal and connector damage
removal procedures for wiring harnesses and looms, including:
accessing wiring and removing panels and covers
removing and replacing components
disconnecting terminals from connectors
repair procedures of wiring harnesses and looms, including:
determining cable and terminal types and sizes according to circuit current draw
wire soldering procedures
terminal crimping
replacing male and female terminals within a connector housing
protecting and routing harness and loom
post-repair testing procedures of wiring harnesses and looms, including procedures for checking full operation of associated electrical systems.
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 vehicle, vessel or machinery wiring harnesses and looms that they have repaired, 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
workplace instructions
manufacturer machinery wiring specifications
three different vehicles, vessels or machinery requiring repairs to their wiring harnesses and looms
tools, equipment and materials appropriate for repairing wiring harnesses and looms, including:
multimeter
continuity tester
crimping tools
soldering equipment
heat gun
terminals and connectors
wire and cabling.
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 according to workplace instructions
Technical procedures and information are accessed and interpreted
Hazards associated with the work are identified and risks are managed
Tools and equipment are selected and checked for serviceability
Wiring harness and loom are inspected for damage
Harness and loom are tested using appropriate tools and fault finding techniques according to workplace procedures and safety and environmental requirements, and without causing damage to components or systems
Inspection and test results are compared with manufacturer specifications
Faults are identified from test results and causes of faults are determined
Wiring harness, loom assembly and associated components are labelled before removal
Harness and loom components are removed according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
Electrical circuit wiring diagrams are accessed and interpreted from manufacturer and component supplier specifications
Harness and loom are repaired or fabricated using appropriate techniques and according to workplace procedures
Repaired or fabricated harness and loom assembly is refitted and reconnected according to manufacturer and component supplier specifications
Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair or fabrication process are rectified
Final inspection is made to ensure work is to workplace expectations and vehicle, vessel or machinery 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 according to workplace instructions
Technical procedures and information are accessed and interpreted
Hazards associated with the work are identified and risks are managed
Tools and equipment are selected and checked for serviceability
Wiring harness and loom are inspected for damage
Harness and loom are tested using appropriate tools and fault finding techniques according to workplace procedures and safety and environmental requirements, and without causing damage to components or systems
Inspection and test results are compared with manufacturer specifications
Faults are identified from test results and causes of faults are determined
Wiring harness, loom assembly and associated components are labelled before removal
Harness and loom components are removed according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
Electrical circuit wiring diagrams are accessed and interpreted from manufacturer and component supplier specifications
Harness and loom are repaired or fabricated using appropriate techniques and according to workplace procedures
Repaired or fabricated harness and loom assembly is refitted and reconnected according to manufacturer and component supplier specifications
Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair or fabrication process are rectified
Final inspection is made to ensure work is to workplace expectations and vehicle, vessel or machinery 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
AURETR010 - Repair wiring harnesses and looms
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
AURETR010 - Repair wiring harnesses and looms
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