audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Checking "two-wire bus system” > < Reading measured value block
Checking data exchange between control units
Checking data exchange between control units
Bus:
Bus is the term used to describe a data transfer and distribution system.
CAN:
The Controller Area Network is a bus system employing two wires. These are referred to as bus wires. Data are transmitted serially via the bus wires to the connected control units.
These control units communicate with one another, i.e. they exchange data with the aid of the CAN bus.
   

Checking "two-wire bus system” > < Reading measured value block