SL 550 (230.471) V8-5.5L (273.965) (2008)
Door Switch: Description and Operation
GF80.20-P-4125RI Door Contact Switch, Component Description
GF80.20-P-4125RI Door Contact Switch, Component Description
- refinement package
- as of model year 09
Component Identification
Location
The door contact switches are located in the corresponding door cutout at the height of the lock wedge.
Task
The status of the vehicle doors (open or closed) is senses as electrical signal by the door contact switches. The status of door contact switches is read in
by the rear SAM control unit (N10/8) and transmitted to the interior CAN.
Design
The door contact switches are designed as normally closed contacts (when the vehicle doors are closed the switch contacts are open).
Function
When the driver door is open, the associated door contact switch transmits ground potential to the corresponding input of the rear SAM control unit.