Interior illumination (IBL) function - GF82.20-P-0002CE

MODEL 204 as of model year 2009/YoM 08 

Function requirements, general 

• No overvoltage or undervoltage
• Terminal 30

Interior illumination (IBL) in general 

The IBL system includes all lights in the vehicle interior. The individual light functions are activated or deactivated depending on the user's requirements, the on-board electrical system voltage and the ambient brightness.

The master control unit for the IBL is the front SAM control unit with fuse and relay module (N10/1).

The IBL system consists of the following subfunctions, which are described in separate documents:

• Manual interior lights control, function 
• Automatic interior lights control, function 
• Symbol and ambiance illumination, function