Component failure analysis o vehicle continuous and

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component failure analysis o vehicle continuous and non-continuous monitored systems types, functions, operation and limitations of diagnostic testing equipment required to diagnose complex faults in light vehicle safety systems procedures for accessing and interpreting scan tool system data, including: o diagnostic trouble codes (DTCs), including: - conditions that set the DTCs - conditions for running DTCs - live data - freeze frame data - waveforms methods and processes for documenting and reporting diagnostic findings and recommendations.
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AURETR037 Diagnose complex faults in light vehicle safety systems Assessment 1 – Questioning – Written Assessment – AURETR037 Version: 1.0 Created: Feb 2017 Page 4 of 22 Assessment 1 – Questioning Written Assessment 1. Identify five (5) important items of personal safety. 1 2 3 4 5 2. Rings, necklaces, bracelets and watches should not be worn while working around electrical systems. Why? 3. What four (4) precautions should be taken when handling live air bags? 4. State five (5) the precautions that should be observed when working around high voltage electrical systems.
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AURETR037 Diagnose complex faults in light vehicle safety systems Assessment 1 – Questioning – Written Assessment – AURETR037 Version: 1.0 Created: Feb 2017 Page 5 of 22 5. What precautions should be taken before removing an air bag. 6. What is an intermittent fault? 7. Intermittent faults with sensors, and most air bag system circuits, will usually set a DTC. However, the DTC will be stored instead of active when the technician retrieves them. What does this mean? 8. Identify various causes of intermittent safety system faults? 9. The air bag module will communicate with which module over the CAN network in the event of a fault in the vehicle? A. Anti-lock Braking System (ABS) B. Body Control Module (BCM) C. Powertrain Control Module (PCM) D. Instrument Panel Cluster (IPC)
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AURETR037 Diagnose complex faults in light vehicle safety systems Assessment 1 – Questioning – Written Assessment – AURETR037 Version: 1.0 Created: Feb 2017 Page 6 of 22 10. In the event of air bag deployment, the air bag module sends a signal over the CAN network to the Body Control Module (BCM) which will? 11. What could be the fault if a module does not respond to the diagnostic scan tool? 12. If repairs to the steering column area were carried out, what component around there if damaged, could cause the air bag warning light on? 13. Customer’s vehicle has entered your workshop complaining about the radar cruise control inoperative the other week when driving from Melbourne to Sydney. Customer said that the radar cruise control worked fine before the trip and now after the trip. What could have been the cause of the fault?
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