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Elements and Performance Criteria

1. Prepare to diagnose and repair vehicle dynamic control system
   • Job requirements are determined from workplace instructions
   • Diagnostic information is sourced and interpreted
   • Diagnostic options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Diagnostic tools and equipment are selected and checked for serviceability
2. Diagnose vehicle dynamic control system
   • Diagnostic tests are carried out according to workplace proceduresand safety requirements without causing damage to components or systems
   • Faults are identified from diagnostic test results and causes of faults are determined
   • Diagnostic tools and equipment are selected and checked for serviceability according to manufacturer specifications and workplace procedures
3. Repair vehicle dynamic control system
   • Repair information is sourced and interpreted
   • Repair options are analysed and those most appropriate to the circumstances are selected
   • Repair tools, equipment and materials are selected and checked according to manufacturer specifications and workplace procedures
   • Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage
   • 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
   • Final inspection is made to ensure work is to workplace expectations and vehicle 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
5. Prepare to diagnose and repair vehicle dynamic control system
   • Job requirements are determined from workplace instructions
   • Diagnostic information is sourced and interpreted
   • Diagnostic options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Diagnostic tools and equipment are selected and checked for serviceability
6. Diagnose vehicle dynamic control system
   • Diagnostic tests are carried out according to workplace proceduresand safety requirements without causing damage to components or systems
   • Faults are identified from diagnostic test results and causes of faults are determined
   • Diagnostic tools and equipment are selected and checked for serviceability according to manufacturer specifications and workplace procedures
7. Repair vehicle dynamic control system
   • Repair information is sourced and interpreted
   • Repair options are analysed and those most appropriate to the circumstances are selected
   • Repair tools, equipment and materials are selected and checked according to manufacturer specifications and workplace procedures
   • Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage
   • 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
8. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and vehicle 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

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: using specialised tools and equipment using appropriate personal protective equipment (PPE) identifying hazards and controlling risks associated with: working on vehicle high voltage ignition systems wearing jewellery while working around high current wiring systems.

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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 and performance criteria, range of conditions and foundation skills:

diagnose and repair a fault in the dynamic control systems of:

one vehicle or machinery with an anti-lock braking system (ABS)

one vehicle or machinery with a traction control system (TCS).

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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 diagnosing and repairing vehicle dynamic control systems, including procedures for:

using specialised tools and equipment

using appropriate personal protective equipment (PPE)

identifying hazards and controlling risks associated with:

working on vehicle high voltage ignition systems

wearing jewellery while working around high current wiring systems

operating principles of vehicle dynamic control systems and associated components, including:

active roll-over protection

anti-lock braking

brake assist

descent control

electronic brake force distribution

electronic park brake

hill start assist

stability control

traction control

application, purpose and operation of vehicle dynamic control systems and components, including:

ABS, including system inputs, electronic control unit (ECU), ABS modulator, and system outputs

TCS, including system inputs, ECU, and system outputs, including associated throttle and braking system controls

electronic stability control (ESC), including system inputs, including yaw and steering angle sensors, and ECU and system outputs, including associated throttle and braking system controls

diagnostic testing procedures for vehicle dynamic control systems, including:

accessing and interpreting scan tool system data, including:

diagnostic trouble codes (DTCs), including ‘U’ type communication codes

live data

freeze frame data

waveforms

using diagnostic flow charts

testing electrical systems, including procedures for:

accessing electrical terminals and using test probes without damaging connectors, fuse holders or wiring

determining damage to system wiring and connectors

repair procedures for vehicle dynamic control systems, including:

connector removal and replacement procedures

removal and replacement procedures for vehicle dynamic control system components

post-repair testing procedures for vehicle dynamic control systems, including:

DTC clearing procedures

checking for electrical connector mating.

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