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Elements and Performance Criteria

1. Prepare to depower and reinitialise BEV
   • 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
   • Vehicle is identified with warning tag or sign to indicate potential hazards
2. Deactivate vehicle RESS
   • SELV supply is located and disconnected according to manufacturer specifications
   • RESS service plug or manual service disconnect is located and removed to depower vehicle HV RESS according to manufacturer specifications
   • Vehicle is stabilised and checked for zero residual voltage according to manufacturer procedures
   • RESS service plug or manual service disconnect is secured and retained to prevent refitting by third party
3. Reinitialise vehicle RESS
   • SELV and RESS service plug or manual service disconnect are reconnected in the correct order and vehicle is reactivated
   • Diagnostic test equipment is used to check and recalibrate subsystems affected by depower process as required
   • RESS and vehicle subsystems are checked for correct operation
   • Post-reactivation faults are reported according to workplace procedures
4. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and vehicle 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
5. Prepare to depower and reinitialise BEV
   • 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
   • Vehicle is identified with warning tag or sign to indicate potential hazards
6. Deactivate vehicle RESS
   • SELV supply is located and disconnected according to manufacturer specifications
   • RESS service plug or manual service disconnect is located and removed to depower vehicle HV RESS according to manufacturer specifications
   • Vehicle is stabilised and checked for zero residual voltage according to manufacturer procedures
   • RESS service plug or manual service disconnect is secured and retained to prevent refitting by third party
7. Reinitialise vehicle RESS
   • SELV and RESS service plug or manual service disconnect are reconnected in the correct order and vehicle is reactivated
   • Diagnostic test equipment is used to check and recalibrate subsystems affected by depower process as required
   • RESS and vehicle subsystems are checked for correct operation
   • Post-reactivation faults are reported according to workplace procedures
8. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and vehicle 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

Range Statement

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 BEV 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.

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Performance Evidence

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 depower the rechargeable energy storage system (RESS) and separated extra low voltage (SELV) system of two different battery electric vehicles (BEVs), and stabilise the vehicles ensuring that no residual high voltage (HV) is measured

safely reinitialise each BEV’s RESS and SELV system and confirm correct vehicle operation.

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Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to depowering and reinitialising BEVs, including procedures for:

identifying hazards and controlling risks associated with:

working with high voltages on BEV 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.

requirements of AS 5732 Electric vehicle operations - Maintenance and repair

operating principles of RESS and SELV electrical systems relevant to a range of BEVs

application, purpose and operation of a range of vehicle RESS depowering and reinitialising methods.

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