How To Test CAN BUS With A Multimeter [CAN Bus Resistance Check] Mechanic Mindset

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This CAN Bus resistance check is very easy and simple WHEN DONE CORRECTLY. In this video we look at how to diagnose a CAN bus fault, looking at CAN high and CAN low wiring with a multimeter. We cover IN-DEPTH all the different measurements you should be taking when using resistance to check the can bus network. CAN Bus fault diagnostics can be difficult; I 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!!

I prefer to use an oscilloscope for my CAN Bus diagnostics (PicoScope 2204A), but my Fluke meter is a good tool if used correctly. We will also see if a cheap multimeter is suitable to diagnose CAN Bus too.

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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