Guys, do you know what is the different between LIN or Discrete settings of the light sensor?
BucsiB: Good question - The answer to which is: it determines how the device is integrated into the CAN network.
LIN (Local Interconnect Network) results in a simpler device because the rain sensor is a slave device to the Body Control Module and it needs only one wire connection. In VW's description - LIN is a serial single-wire data network, which is used to connect electronic components to higher-level control units.
On the other hand Discrete connected rain sensors are "stand alone" CAN devices with a status equal to higher-level control modules
The mk7 uses a LIN rain sensor