AURT366108A
Carry out diagnostic procedures
LEARNER WORKBOOK
© Commonwealth of Australia 2011
ISBN: 978-1-876838-24-9
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AURT366108A Carry out diagnostic procedures 1
Elements: 1
About the workbook 1
Assessment 3
Skills Recognition 4
Access and equity 4
Introduction 5
What is ‘diagnosis’? 5
What is ‘normal’ and ‘abnormal’? 6
What is a diagnostic procedure? 6
Safety 7
Tasks and hazards 9
Activity 1 11
Carrying out automotive diagnosis 14
The importance of diagnosis 14
Symptoms, faults and causes 17
Activity 2 23
The steps in a diagnostic procedure 29
Gathering information for diagnosis 31
Types of diagnostic procedures 32
Activity 3 35
Six-step diagnostic procedure 38
Apply six-step diagnosis to a real problem 42
Activity 4 50
Activity 5 56
Reporting and documenting diagnosis and repairs 58
Why do we need to document the diagnostic process? 58
Activity 6 64
Writing a diagnostic report 69
Parts of a Report 70
Activity 7 73
Other diagnostic approaches 75
Branching diagnostic procedures 75
Activity 8 77
‘Black Box’ Diagnosis 79
On-Board Diagnostics 81
Reading codes and information with a scan tool 84
Proprietary and generic scan tools 86
What information is available from an OBD system? 87
Activity 9 93
Activity 10 99
Glossary 102
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