Unit of competency Outline

Date retreived
23/07/2026 12:35 AM AWST

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Diagnose and repair system instrumentation and safety interlocks in battery electric vehicles

Diagnose and repair system instrumentation and safety interlocks in battery electric vehicles

Unit of competency
National Code
AURETH007
State Code
AXE13
TGA Status
Replaced
DTWD Status
Replaced
Current Release Number
1.00
Current Release Date
14/04/2016
View on TGA
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
40
Description
This unit describes the performance outcomes required to diagnose and repair faults in the system instrumentation and safety interlocks of battery electric vehicles (BEVs). It involves preparing for the task, selecting the correct diagnostic procedure, carrying out the diagnosis and the 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 high voltage (HV) rechargeable energy storage systems (RESS).It applies to those working in the automotive service and repair industry. System instrumentation and safety interlocks include circuits in BEVs. 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 BEV system instrumentation and safety interlocks
  • 1.1 Job requirements are determined from workplace instructions
  • 1.2 Diagnostic information is sourced 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 system instrumentation and safety interlocks
  • 2.1 Diagnostic tests are carried out according to manufacturer specifications, workplace procedures andsafety requirements
  • 2.2 Faults are identified from diagnostic test results and causes of faults are determined
  • 2.3 Diagnosis findings and recommendations for necessary repairs or adjustments are reported according to workplace procedures
3. Repair system instrumentation and safety interlocks
  • 3.1 Repair information is sourced 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 System instrumentation and safety interlocks 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 is 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 faulty electrical equipment is identified, tagged and isolated according to workplace procedures
  • 4.4 Workplace documentation is processed according to workplace procedures
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