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Body Control Module: Description and Operation
GF54.21-P-6030CE Rear SAM Control Unit With Fuse and Relay Module, Component Description

GF54.21-P-6030CE 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.

Component Identification

Location

The rear SAM control unit is located on the front crossmember in the trunk.

Task

The rear SAM control unit supplies various systems via limit
switches and supplies control units with voltage depending on the
function sequence. The rear SAM control unit also performs the
following tasks:

^

Reading in of sensors, pickups and signals

^

Evaluation of input factors

^

Control of systems

^

Actuation of components

^

Switching of relays

^

Output of control signals

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:

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Body Control Module > Component Information > Description and Operation > GF54.21-P-6030CE Rear SAM Control Unit With Fuse and Relay Module, Component Description

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