Rear SAM Control Unit - Component Description - E 350 4MATIC Sedan (212087)
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Body Control Module: Description and Operation
GF54.21-P-6030FL Rear SAM Control Unit With Fuse and Relay Module, Component Description
GF54.21-P-6030FL Rear SAM Control Unit With Fuse And Relay Module, Component Description
Component Identification
Location
The rear SAM control unit is located in the rear right of the luggage compartment.
Task
The rear SAM control unit supplies various systems via limit
switches and supplies control units with voltage depending on the
function sequence. In addition the rear SAM control unit has the
following tasks:
^
Reading in of sensors, pickups and signals
^
Evaluation of input factors
^
Control of functions
^
Actuation of components
Reading in of sensors, pickups and signals
The input factors are read in via the following connections:
^
Direct line
^
Local Interconnect Network (LIN)
^
Interior CAN (CAN B)
Direct line
The signals from the following components are read via a direct line:
-
Left rear door rotary tumbler switch (A85/3s1)
-
Right rear door rotary tumbler switch (A85/4s1)
-
Left fuel level indicator sensor (B4/1)
-
Right fuel level indicator sensor (B4/2)
-
Trunk lid rotary tumbler switch (M14/7s1) (model 212.0)
-
Liftgate rotary tumbler switch (M14/7s1) (model 212.2) Interior protection button (N70s8) (with code (882) Interior monitoring (only with ATA)
and with code (414) Electric glass tilting/sliding roof)
-
Tow-away protection button (N70s9) (with code (882) Interior monitoring (for ATA [EDW] only) and code (414) Electric glass tilting/sliding
roof)
-
Interior protection button (N70/3s8) (with code (882) Interior monitoring (only with ATA) and without code (414) Electric glass tilting/sliding
roof)
-
Tow-away protection button (N70/3s9) (with code (882) Interior monitoring (for ATA [EDW] only) without code (414) Electric glass
tilting/sliding roof)
-
Engine hood antitheft alarm system switch (S62) (with code (551) Antitheft alarm system (ATA [EDW]))
