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How to test CAN Bus with a multimeter. This CAN Bus voltage check is very easy and simple. In this video we look at how to diagnose a CAN bus, looking at CAN high and CAN low wiring with a multimeter. CAN Bus fault diagnostics can be difficult; we break it down in to easy steps to help you improve your automotive diagnostics. This is equivalent to the test I perform with Master Technicians on CAN Bus Technical Training!!

Part 2:    • Finding CAN Bus Faults With Multimete...  

I prefer to use an oscilloscope for my CAN Bus diagnostics (PicoScope 2204A), but the Fluke meter is a good tool if used correctly.

Buy My PicoScope set up: https://kit.co/mechanicmindset
Link to PicoScope Waveforms: http://eepurl.com/g9VVl9

00:00 Diagnosing CAN bus average voltage with a multimeter
00:19 Testing the high speed powertrain CAN bus network
1:03 Setting up the voltmeter to take the measurement
1:49 How to identify the CAN bus wiring
2:14 Testing CAN bus wit a multimeter vs oscilloscope
2:58 Average CAN bus voltages for CAN high and CAN low
4:01 How to identify when the CAN network is in sleep mode
4:23: Identifying a short to ground on the CAN network

Fluke & Cheap Multimeter Links…

USA Links:
Fluke multimeter - https://amzn.to/301YZhm
Cheap Autoranging multimeter - https://amzn.to/3jIsrAI

UK Links:
Fluke multimeter - https://amzn.to/2BPNd08
Cheap Autoranging multimeter - https://amzn.to/3gkV9pg

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