GF54.21-P-6030SX Rear SAM Control Unit With Fuse and Relay Module, Component Description

GF54.21-P-6030SX Rear SAM Control Unit With Fuse And Relay Module, Component Description

Component Identification:

Location
The rear SAM control unit is located in the luggage compartment, in the center of the partition wall to the passenger compartment.

Task
The rear SAM control unit is connected to the interior CAN for the exchange of data.

Limit switches supply systems and control units with voltage to match the function sequence. Requests are notified to the rear SAM control unit over the interior CAN or by reading in switches and sensors.

Control of following systems
^ Rear vehicle illumination
^ Rear window defroster
^ Rear roller blind (with code (540) Electric rear window roller blind)
^ Anti-theft alarm system (with code (551) Anti-theft alarm system (ATA [EDW]))
^ Turn signal system
^ Rear seat head restraints
^ Central locking of tank cap and trunk lid with integrated power closing, additional lock of trunk lid

Discrete inputs
^ Tml. 15
^ Circuit 30
^ Circuit 31
^ Circuit 54 (stop lamp)
^ Fuel level sensor, left half of tank (B4/1)
^ Fuel level sensor, right half of tank (B4/2)
^ Trunk lid gearing microswitch 2 (M14/7s1)
^ Trunk lid lock pawl microswitch (M14/7s2)
^ Trunk lid rotary tumbler microswitch (M14/7s3)
^ Hall sensors of rear roller blind motor (M24) (on model 221)
^ Right rear brake pad contact sensor (S10/4)
^ Engine hood ATA switch (S62)
^ Trunk lid Keyless Go button (S62/21) (model 221 up to 30.11.06 with code (889) Keyless-Go)
^ Left rear seat belt buckle switch (S68/11)
^ Right rear seat belt buckle switch (S68/12)
^ Trunk lid contact switch (S88/6) (only (United States of America))
^ Trunk lid external operation switch (S88/8)
^ Trunk lid emergency release switch (S88/10) (only (United States of America))

Switching consumers via semiconductor switches
^ Left taillamp (E3)
- Left turn signal lamp (E3e1)
- Left backup lamp (E3e3)
- Left stop lamp, taillamp and parking lamp (E3e9)
- Left rear fog lamp (E3e5)
- Left rear side-marker lamp (United States of America) (E3e6) (only (United States of America))

^ Right taillamp (E4)
- Right turn signal lamp (E4e1)
- Right backup lamp (E4e3)
- Right stop lamp, taillamp and parking lamp (E4e9)
- Right rear fog lamp (E4e5)
- Right rear side-marker lamp (United States of America) (E4e6) (only (United States of America))

^ Right luggage compartment lamp (E18/4)
^ Left luggage compartment lamp (E18/5)
^ Left license plate lamp (E19/1)
^ Right license plate lamp (E19/2)
^ Center high-mounted stop lamp (E21)
^ Left trunk lid ambient and warning lamp (E40/2)
^ Right trunk lid ambient and warning lamp (E40/3)
^ Trunk lid central locking motor (M14/7)
^ Fuel filler flap CL [ZV] motor (M14/10)
^ Rear roller blind motor (M24) (with code (540) Electric rear window roller blind)
^ Lumbar pump (M25/1) (without code (409) Left/right front multicontour seats and without code (432) Left and right dynamic multicontour seat)
^ Pneumatic pump for dynamic seat control (M40/1) (with code (432) Left and right dynamic multicontour seat)
^ Rear head restraints valve block (Y24/11)

Switching in the following relays:
^ Terminal 15 relay (N10/2kM)
^ Terminal 15R relay (N10/2kN)
^ Power outlet relay (N10/2kO)
^ Heated rear window relay (N10/2kP)
^ Cigar lighter relay (N10/2kR) (with model 221)

Serial interface to following components:
^ Rear window antenna amplifier module (A2/12)
^ Ultrasonic echo sounder sensor (A26/13) (with code (882)
Interior monitoring (with ATA [EDW] only))

Local interconnect network interface with the following components:
^ ATA [EDW] inclination sensor (B27) (with code (551) Anti-theft alarm system (ATA [EDW]))
^ Alarm signal siren (H3/1) (with code (551) Anti-theft alarm system (ATA [EDW]))