They are called can hi (high) and can lo (low) and have different voltage levels that are interpreted by each controller (called can nodes). It uses two wires for communication: In the following sections, we will.
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The signal is broadcast over two communication wires to ensure signal integrity is maintained, these wires are twisted together and are referred to as can high and can low. As long as you are able to get access to the physical can bus wiring harness (can high/low), then you can connect a contactless can reader to start recording can data. There may be different types of can in a vehicle,.
It is known fact that short circuiting can_high and can_low on a can bus leads to a bus off condition.
Classical can, which includes can 2.0a (standard can) and can 2.0b (extended can), primarily differs in identifier field lengths: Canh (can high) and canl (can low). Can hi usually measures from. The wires are a twisted pair terminated by 120 ω termination resistors on both ends that.
With respect to the physical layer, how does this condition lead to bus.
