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Home >> Mercedes Benz >> 2008 >> SLK280 Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Electrical System - Body - 171 Chassis >> Basic Knowledge (-2008) >> Switch entry/exit lamps on/off, function - GF82.20-P-2022SK

Switch entry/exit lamps on/off, function - GF82.20-P-2022SK

MODEL 171.4 

Function prerequisites:

The entrance and exit lamp for the left door (E17/3) or the entrance and exit lamp for the right door (E17/4) is switched on as soon as the respective door is opened. The entrance and exit lamp for the left door (E17/3) or the entrance and exit lamp for the right door (E17/4) is switched off as soon as the respective door is closed. The rear SAM control unit with fuse and relay module (N10/2) reads the signal from the left door contact switch (S17/3) and the right door contact switch (S17/4). This status is transmitted over the Control Area Network bus class B (interior) (CAN-B) to the overhead control panel control unit (N70).

The overhead control panel control unit (N70), acting as the master, discretely actuates the entrance and exit lamp for the left door (E17/3) via the left door control unit (N69/1) or the entrance and exit lamp for the right door (E17/4) via the right door control unit (N69/2). During switching, these lamps are not dimmed. When the door is open, the entrance and exit lamp for the left door (E17/3) or the entrance and exit lamp for the right door (E17/4) switches off automatically after 5 minutes.

The on time is increased or restarted under the following conditions:

Door contact switch, location/task/design/ function GF82.20-P-4102SK 
Entrance and exit lamp, location/task GF82.20-P-4305SK