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Mercedes Benz 221 Rear SAM Control Unit

ECU Location
ECU Location
Top Veiw
Top Veiw
Location
The rear SAM control unit with fuse and relay module (N10/2) is located below the ski bag opening in the trunk.
Note
The fuse and relay module can be separated from the control unit.
Control
· Exterior lights function, master control unit for the turn signal functions
Model 221.0/1
· Interior lights
Model 221.0/7
· Central locking (CL [ZV])
Model 221
· Anti-theft alarm system (ATA [EDW])
Model 221
· Heated rear window (HHS)
Model 221.0/1
· Rear roller blind
Model 221.0/1
· Rear head restraint lowering mechanism (RHR [KAF])
Model 221.0/1
Switching of consumers
• Left tail lamp (complete)
• Right tail lamp (complete)
• License plate illumination
• Center high-mounted stop lamp
• Trunk illumination
• Trunk lid ambient/warning lamp
• Trunk lid central locking motor
• Fuel filler flap central locking motor
• Rear window roller blind motor (with code 540)
• Trunk lid gear switch
• Lumbar pump (control signal only)
• Rear seat head restraint valve block (control signal only)
• Alarm siren (with code 551 via LIN)
• Trunk emergency release LED (USA)
Scanning of switches, pickups and sensors
• Circuit 15
• Circuit 54 stop lamp
• Fuel level sensor
• Rear axle brake lining wear indicator
• ATA [EDW] hood switch (with code 551)
• Trunk lid external operation switch
• Trunk lid lock pawl, rotary tumbler and gear switch
• Keyless Go trunk lid button (with code 889)
• Rear window roller blind motor Hall sensor 1 (with code 540)
• Rear window roller blind motor Hall sensor 2 (with code 540)
• Left rear seat belt buckle switch
• Right rear seat belt buckle switch
• CL [ZV] radio receiver (via interface)
• Ultrasonic sensor (via interface)
• Trunk lid emergency release switch (USA)
Switching the following relays
• Circuit 15 relay
• Circuit 15R relay
• Heated rear window relay
• Power outlet relay
• Rear cigar lighter relay
Voltage supply for the following control units
• Circuit 30: Fuel pump control unit (with engine 275 plug I1)
• Circuit 30: Fuel pump control unit (with engine 272, 273 and 642 plug I1)
• Circuit 30: Overhead control panel control unit (2x plug I1)
• Circuit 30: Audio tuner control unit (plug I5)
• Circuit 30: COMAND control unit (plug I5)
• Circuit 30: Front central operating unit (plug I5)
• Circuit 30: Backup camera control unit (plug 141)
• Circuit 30: PTS control unit (plug 142) or Circuit 30: Radar sensors control unit (plug 142)
• Circuit 30: Rear seats control unit (plug 143 and 144)
• Circuit 30: Trailer recognition control unit (plug 145 and 146)
• Circuit 30: TLC [HDS] control unit (plug 147)
• Circuit 30: Voice control system control unit (plug 149)
• Circuit 30: TV combination tuner (plug 150)
• Circuit 30: Electric parking brake control unit (plug 151)
• Circuit 30: Rear window antenna amplifier module (plug 152)
• Circuit 15: Front SAM control unit (plug I9)
• Circuit 15: Trailer recognition control unit (plug 133)
CAN connections
• CAN link between rear SAM control unit with fuse and relay module (N10/2) and interior CAN/frame floor system voltage distributor (plug I9)
• CAN: Trailer recognition control unit (plug H1)
CAN signals
The rear SAM control unit with fuse and relay module (N10/2) is a device on the interior CAN in the overall network.

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Description
In this section we add some useful information about some Mercedes Benz 221 Rear SAM System and it features.
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