24120 version 1
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Level 4
Credits 10
Purpose This unit standard is for people in the automotive repair industry. People credited with this unit standard are able to test a vehicle mechanical and body control system for faults, and rectify mechanical and body control system faults.
Subfield Motor Industry
Domain
Status
Status date
Date version published
Planned review date
Entry information
Automotive Electrical and Electronics
Registered
25 January 2008
25 January 2008
31 December 2012
Recommended: Unit 24119, Demonstrate knowledge of vehicle steering and suspension electronic control systems, and testing and rectifying faults ; Unit 24121,
Demonstrate knowledge of vehicle body electronic control safety systems, and testing and rectifying faults ;
Unit 24122, Demonstrate knowledge of vehicle body electronic control security systems, and testing and rectifying faults ; Unit 24123, Demonstrate knowledge of vehicle comfort and entertainment electronic control systems, and testing and rectifying faults ; and Unit
24124, Demonstrate knowledge of vehicle powertrain electronic control systems, and testing and rectifying faults ; or demonstrate equivalent knowledge and skills.
Replacement information
Accreditation
This unit standard replaced unit standard 2348 and unit standard 8182.
Evaluation of documentation and visit by NZQA and industry.
Standard setting body (SSB) NZ Motor Industry Training Organisation (Incorporated)
Accreditation and Moderation Action Plan (AMAP) reference 0014
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This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do
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Special notes
1 Legislation and publications relevant to this unit standard include but are not limited to – Health and Safety in Employment Act 1992; Land Transport Rules: Frontal
Impact 2001, Rule 32006/1; Seatbelts and Seatbelt Anchorages 2002, Rule 32011;
Steering Systems 2001, Rule 32003/1; Vehicle Equipment 2004, Rule 32017; Vehicle
Repair 1998, Rule 34001; Vehicle Inspection Requirements Manual (VIRM) – Inservice Certification .
2 Land Transport Rules are produced for the Minister of Transport by Land Transport
New Zealand. These rules are available online at http://www.landtransport.govt.nz/rules/.
The VIRM is published by Land Transport New Zealand and is available online at http://www.landtransport.govt.nz/certifiers/virm-in-service/index.html
.
3 Definitions
Company requirements refer to instructions to staff on policy and procedures which are documented in memo or manual format and are available in the workplace.
These requirements include but are not limited to – company specifications and procedures, work instructions, manufacturer specifications, product quality specifications, and legislative requirements.
Mechanical and body control systems in this unit standard refer to suspension, steering, and transmission systems. They do not refer to engine management systems, braking systems, or fuel systems. These systems are referred to in other unit standards.
Service information may include but is not limited to
– technical information of a vehicle, machine, or product detailing operation; installation and servicing procedures; manufacturer instructions and specifications; technical terms and descriptions; and detailed illustrations. This can be accessed in hard copy or electronic format and is normally sourced from the manufacturer.
Suitable test equipment means industry approved test equipment that is recognised within the industry as being the most suited to complete the task in a professional and competent manner with due regard to safe working practices.
4 Range
This unit standard includes but is not limited to any three of the following systems – suspension system: either electronic-over-hydraulic or electronic air suspension; steering system: either electronic power steer, electronic 4x4, speed sensitive, or variable assist; transmission system: either manual or automatic; compartment safety system: either air bag control, seat belt pre-tensioners, seat memory, instrumentation head-up display, rear mirror control, or driver fatigue sensor; driver information system: either vehicle monitoring display, travel data, or audible warning;
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Page 3 of 5 security system: either inhibitor or programmed key, keyless entry, central locking, electronic deadlock, or infrared control theft deterrent system; comfort and entertainment system: either sensitivity control for power windows and door locks, sun roofs and tailgates, cruise control, automatic antenna control, radio frequency memory and search control, compact disc (CD) player, video player, phone link-up, power seat, clock, global positioning systems (GPS), head-up display, electric mirrors, instrumentation, or wireless technologies.
Element 1
Test a vehicle mechanical and body control system for faults.
Performance criteria
1.1 Safe working practices are observed throughout the task in accordance with legislative requirements.
Range personal safety, safety of others, vehicle safety, workshop safety, environmental safety, tools and equipment safety.
1.2 The specific and current test information is obtained before any testing is carried out in accordance with company requirements.
Range test information sources may include but are not limited to – electronic storage (CDR, DVD), intranet, internet, workshop manuals, technical bulletins, diagnostic equipment, on-board vehicle storage.
1.3 The electrical and electronic circuits of the system are traced from the manufacturer wiring diagram in accordance with service information.
1.4 The wiring diagram information of the circuits to be tested is translated to the electrical and electronic circuits on a vehicle in accordance with service information.
1.5 Test points on the vehicle are located that will enable the diagnosis of the particular system to be carried out in accordance with service information.
1.6 Suitable test equipment is selected and used that enable faults in the system to be located in accordance with service information.
1.7 Test results obtained are compared to those specified by the manufacturer, any discrepancies found are traced to their source, and the faults isolated in accordance with service information.
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1.8 No physical or electrical damage is caused to circuit components or electronic devices.
1.9 The feasibility of a repair is determined based on relevant factors.
Range type and extent of repairs required, cost of repair, availability and cost of replacement.
Element 2
Rectify mechanical and body control system faults.
Performance criteria
2.1 Safe working practices are observed throughout the task in accordance with legislative requirements.
Range personal safety, safety of others, vehicle safety, workshop safety, environmental safety, tools and equipment safety.
2.2 Precautions are taken to prevent damage to electronic components that could be caused by electrostatic discharge and installation methods in accordance with service information.
Range screening of components, earthing operator.
2.3 Faults that do not require component replacement are rectified in accordance with service information.
2.4 Faulty components are replaced in accordance with service information and legislative requirements.
2.5
2.6
Vehicle information is updated in accordance with company requirements.
Self-diagnostic test codes are cleared, and the vehicle is operated to ensure no faults remain, in accordance with service information.
Please note
Providers must be accredited by NZQA, or an inter-institutional body with delegated authority for quality assurance, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by NZQA before they can register credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards must engage with the moderation system that applies to those standards.
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Accreditation requirements and an outline of the moderation system that applies to this standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact the NZ Motor Industry Training Organisation (Incorporated) info@mito.org.nz
if you wish to suggest changes to the content of this unit standard.
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