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Thermal Imaging and NVH Diagnostics [Quick Quiz]

August 26, 2021

How much do you know about NVH Diagnostics?

Take the quiz and find out.

Common automotive data bus speeds (baud rates) in order of slowest to fastest are:*
- Volts over time
- Pulses over time
- Harshness over time
- Time over harshness
The “E” on a three-wire axis tool is used to diagnose engine harshness?*
- True
- False
Two technicians are discussing setting up an NVH tool. Tech A says that various mongoose cables with a 327 chipset can be used to obtain an RPM reading. Tech B states that a secondary tach can be attached to channel four of the scope to obtain an RPM input. Who is correct?*
- Technician A Only
- Technician B Only
- Both Technician A and B
- Neither Technician A or B
What does the “P” on a three-axis tool stand for?*
- Powertrain
- Pulse
- Propeller
- None of the above
What can be used to plug into a vehicle’s DLC to obtain an rpm reading?*
- An OBDII breakout box
- An elm device
- A j2534 device
- Both an elm device and a j2534 device

Related Course

Thermal Imaging and NVH Diagnostics

Thermal Imaging and NVH Diagnostics

View Course

Instructor John Forro gives an in-depth explanation of using thermal imaging techniques for diagnostics, including parasitic battery drains, overheating issues, wheel bearing issues and more. Also discussed are NVH tools and the pros and cons of each tool, along with real-world examples of NVH diagnostics.

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