Unit of competency Outline
Date retreived
22/07/2026 10:59 PM AWST
22/07/2026 10:59 PM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Diagnose and repair high voltage rechargeable energy storage systems in battery electric vehicle
Diagnose and repair high voltage rechargeable energy storage systems in battery electric vehicle
Unit of competency
National Code
AURETH003
AURETH003
State Code
AXE16
AXE16
TGA Status
Replaced
Replaced
DTWD Status
Replaced
Replaced
State Implementation and Classification
Approved Date
13/07/2016
Field of Education
030505 - Automotive Electrics And Electronics
Original Release Date
13/07/2016
Nominal Hours
30
Description
This unit describes the performance outcomes required to diagnose and repair faults in the high voltage (HV) rechargeable energy storage systems (RESS) of battery electric vehicles (BEVs). It involves preparing for the task, selecting the correct diagnostic procedure, carrying out the diagnosis and repair, performing post-repair testing, and completing workplace processes and documentation. Importance is placed in the unit on applying electrical safety procedures when working on HV RESS.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.
Notes
Elements and Performance Criteria
1. Prepare to diagnose and repair HV RESS
- 1.1 Job requirements are determined from workplace instructions
- 1.2 Diagnostic information is accessed and interpreted
- 1.3 Diagnostic options are analysed and those most appropriate to the circumstances are selected
- 1.4 Hazards associated with the work are identified and risks are managed according to safety requirements and AS 5732 Electric vehicle operations - Maintenance and repair
- 1.5 Diagnostic tools and equipment are selected and checked for serviceability
2. Diagnose RESS
- 2.1 Diagnostic tests are carried out according to manufacturer specifications, workplace procedures and safety requirements
- 2.2 Faults are identified from diagnostic test results and causes of faults are determined
- 2.3 Diagnosis findings and recommendations for required repairs or adjustments are reported according to workplace procedures
3. Repair RESS
- 3.1 Repair information is accessed and interpreted
- 3.2 Repair options are analysed and those most appropriate to the circumstances are selected
- 3.3 Repair tools, equipment and materials are selected and checked
- 3.4 RESS service plug or manual service disconnect is located and isolated to depower vehicle HV RESS according to manufacturer specifications
- 3.5 RESS and components are replaced, repaired or adjusted as required according to manufacturer specifications, workplace procedures, safety and environmental requirements, and without causing damage to components or systems
- 3.6 RESS service plug or manual service disconnect are reconnected and vehicle is reactivated
- 3.7 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 process are rectified
4. Complete work processes
- 4.1 Final inspection is made to ensure work is to workplace expectations and vehicle 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
No information
No information
Replaces
| State Code | National Code | Title | Type |
|---|---|---|---|
| WC273 | AURETH4003 | Test and repair high voltage battery systems in battery electric vehicles | Unit of competency |
Replaced By
| State Code | National Code | Title | Type |
|---|---|---|---|
| OCK27 | AURETH103 | Diagnose and repair high voltage rechargeable energy storage systems in battery electric vehicles | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| BAF8 | AUR40616 | Certificate IV in Automotive Electrical Technology | Qualification |
| BAB6 | AUR40216 | Certificate IV in Automotive Mechanical Diagnosis | Qualification |
| AD534 | AURSS00035 | Battery Electric Vehicle Inspection and Servicing Skill Set | Skill set |