Qualification Outline

Date retreived
22/07/2026 6:59 AM 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.

Certificate IV in Automotive Mechanical Diagnosis

Certificate IV in Automotive Mechanical Diagnosis

Qualification
National Code:
AUR40226
State Code:
BTX0
TGA Status:
Current
DTWD Status:
Pending
National Endorsed, State Implementation and Classification
Field of Education
0305 - Automotive Engineering And Technology
Original TGA Release Date
17/03/2026
Approved Date
Stream of Study
Trade Technician/Supervisory or Equivelant (3300)
VET Act Classifier
C
Nominal Hours
Duration
2 Semesters
Current Release Number
1.00
Current Release Date
17/03/2026
VET Act Conditions
Releases
Release Version Release Date TGA Status DTWD Status
1.00 17/03/2026 Replaced Pending
Description

This qualification reflects the role of individuals who perform advanced diagnostic tasks in the automotive retail, service and repair industry.
No licensing, legislative or certification requirements apply to this qualification at the time of publication.

Schedule
Packaging Rules
Total number of units = ten (10)
- one (1) core unit, plus
- nine (9) elective units, of which:
- up to nine (9) units may be chosen from the Elective Units listed below
- up to two (2) units may be chosen from a Certificate III qualification or above in this Training Package or another endorsed Training Package or accredited course, provided that the units chosen contribute to the vocational outcome of this qualification and do not duplicate the outcome of another unit chosen for the qualification.
1. Core Units

One (1) unit must be completed.

State Code National Code Title Hours Type
OCJ03 AURTTA121 Diagnose complex system faults 40 Unit of competency
2. Elective Units

Nine (9) electives must be completed, with at least seven (7) from the list below.
Please refer to the packaging rules for the full details of available options.

State Code National Code Title Hours Type
OCL18 AURMTQ101 Analyse and repair faults in performance driveline systems 36 Unit of competency
AXB91 AURMTF001 Analyse and repair performance carburetted fuel systems 36 Unit of competency
AXB90 AURMTF002 Analyse and repair performance fuel injection systems 36 Unit of competency
AXB97 AURMTA007 Conduct non-destructive testing 30 Unit of competency
OCK21 AURETH106 Diagnose and repair auxiliary motors and associated components in battery electric vehicles 40 Unit of competency
OCJ36 AURETH109 Diagnose and repair DC to DC converters in battery electric vehicles 40 Unit of competency
OCK27 AURETH103 Diagnose and repair high voltage rechargeable energy storage systems in battery electric vehicles 30 Unit of competency
OCK20 AURETH110 Diagnose and repair high voltage rechargeable energy storage systems in hybrid electric vehicles 15 Unit of competency
OCK24 AURETH105 Diagnose and repair high voltage traction motors in battery electric vehicles 50 Unit of competency
OCJ93 AURETH108 Diagnose and repair HVAC and rechargeable energy storage cooling systems in battery electric vehicle 40 Unit of competency
OCK19 AURETH107 Diagnose and repair system instrumentation and safety interlocks in battery electric vehicles 40 Unit of competency
OCK23 AURETH104 Diagnose and repair traction motor speed control systems in battery electric vehicles 30 Unit of competency
OCJ78 AURETU106 Diagnose complex faults in air conditioning and HVAC systems 45 Unit of competency
OCJ87 AURTTL111 Diagnose complex faults in CNG fuel systems 45 Unit of competency
OCL60 AURTTA126 Diagnose complex faults in electronic over hydraulic systems 45 Unit of competency
OCL38 AURTTR101 Diagnose complex faults in engine management systems 45 Unit of competency
OCJ77 AURHTB106 Diagnose complex faults in heavy commercial vehicle braking systems 45 Unit of competency
OCJ69 AURHTD106 Diagnose complex faults in heavy commercial vehicle steering and suspension systems 45 Unit of competency
OCJ47 AURHTX106 Diagnose complex faults in heavy commercial vehicle transmission and driveline systems 45 Unit of competency
OCJ66 AURHTE103 Diagnose complex faults in heavy vehicle diesel engines 45 Unit of competency
OCL05 AURLTX104 Diagnose complex faults in light vehicle automatic transmission and driveline systems 45 Unit of competency
OCJ46 AURLTB104 Diagnose complex faults in light vehicle braking systems 45 Unit of competency
ODJ78 AURLTE105 Diagnose complex faults in light vehicle diesel engines 45 Unit of competency
OCK15 AURLTE104 Diagnose complex faults in light vehicle petrol engines 45 Unit of competency
OCJ94 AURETR137 Diagnose complex faults in light vehicle safety systems 45 Unit of competency
OCL12 AURLTD109 Diagnose complex faults in light vehicle steering and suspension systems 45 Unit of competency
OCL15 AURTTL112 Diagnose complex faults in LNG fuel systems 45 Unit of competency
OCL39 AURTTL113 Diagnose complex faults in LPG fuel systems 45 Unit of competency
OCJ17 AURKTB103 Diagnose complex faults in mobile plant braking systems 45 Unit of competency
OCJ21 AURKTA109 Diagnose complex faults in mobile plant hydraulic systems 45 Unit of competency
OCJ14 AURKTD105 Diagnose complex faults in mobile plant steering and suspension systems 45 Unit of competency
OCJ23 AURJTE102 Diagnose complex faults in motorcycle engine and transmission systems 45 Unit of competency
OCJ37 AURJTD105 Diagnose complex faults in motorcycle steering and suspension systems 45 Unit of competency
OCK43 AURTTA125 Diagnose complex faults in vehicle integrated stability control systems 45 Unit of competency
OCJ73 AURMTE101 Test engines using a dynamometer 32 Unit of competency
Replaces
State Code National Code Title Type
BAB6 AUR40216 Certificate IV in Automotive Mechanical Diagnosis Qualification
No information
Entry Requirements

Those undertaking the Certificate IV in Automotive Mechanical Diagnosis must have completed an automotive mechanical Certificate III qualification, or be able to demonstrate equivalent competency.

Traineeships and Apprenticeships
No information