SLK 350 (171.458) V6-3.5L (272.969) (2009)
Body Control Module: Description and Operation
GF54.21-P-6030RC Rear SAM Control Unit With Fuse and Relay Module, Component Description
GF54.21-P-6030RC Rear SAM Control Unit With Fuse And Relay Module, Component Description
Component Identification
Location
The rear SAM control unit is located behind the trim in the the control unit carrier.
Task
The rear SAM control unit has the following tasks:
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Reading in of sensors, pickups and signals
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Evaluation of input factors
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Control of systems
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Actuation of components
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Power supply and relay switching
Reading in of sensors, pickups and signals
The input factors are read in with the following connections:
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Direct line
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Interior CAN
Direct line
The following components are read in via a direct line:
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Fuel level sensor (B4)
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For code (551) Anti-theft alarm system (ATA [EDW]):
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ATA [EDW] inclination sensor (B33)
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ATA [EDW] hood switch (S62)
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ATA [EDW] glove box switch (S62/7)
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ATA [EDW] center console compartment switch (S62/8)
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ATA [EDW] rear panel stowage compartment switch (S62/38)
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Left door contact switch (S17/3)
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Right door contact switch (S17/4)
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Trunk lid rotary tumbler microswitch (S88/1)
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Trunk lid contact switch (S88/6) (with code (494) USA version)
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Trunk lid external operation switch (S88/8)
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Trunk lid emergency release switch (S88/10) (with code (494) USA version)
Interior CAN
The rear SAM control unit reads in function-relevant information via the interior CAN.
Evaluation of input factors
The input factors are evaluated by the microprocessor and the corresponding components are actuated.