Interior Illumination (IBL) Function - GF82.20-P-0002RD

MODEL 172.4 

Function requirements, general 

• No overvoltage or undervoltage
• Circuit 30 ON

Interior illumination (IBL) in general 

The IBL system includes all lights in the vehicle interior.

Individual light functions are activated or deactivated depending on the user's requirements, the on-board electrical system 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 interior illumination function comprises the following subfunctions, which are described in separate documents:

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