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Mercedes Benz 221 Driver SAM Control Unit

ECU Location
ECU Location
Top view
Top view
Location
The front SAM control unit with fuse and relay module (N10/1) is located in the control unit box on the driver side.
Note
The fuse and relay module can be separated from the control unit.
Control
· Master control unit for the exterior lights function except the turn signal functions
Model 221.0/1
· Wiper system (WSA)
Model 221.0/1
· Headlamp cleaning system (HCS [SRA])
Model 221.0/1
· Steering column adjustment (EVL)
Model 221.0/1
· Fanfare horns
· Automatic air conditioning (AAC [KLA])
Model 221.0/1
· Stationary heater (STH)
Model 221.0/1
Switching of consumers
• Left front lamp unit (complete)
• Right front lamp unit (complete)
• Left front fog lamp
• Right front fog lamp
• Left front side-marker lamp (USA)
• Right front side-marker lamp (USA)
• Center console stowage compartment illumination (circuit 58d)
• Washer pump
• Master wiper motor
• Washer nozzle heater (with code 875)
• Washer fluid hose heater (with code 875)
• Headlamp cleaning system washer pump (with code 600)
• Steering column in/out motor
• Steering column up/down motor
• Fanfare horns
• Coolant circulation pump
• AC water valve
• Steering wheel heater (with code 443)
• Cockpit illumination circuit 58d
• Control unit box fan motor
• Ashtray illumination (with code 301)
Scanning of switches, pickups and sensors
• Outside temperature indicator temperature sensor
• Coolant level indicator switch
• Refrigerant pressure sensor
• Windshield washer fluid level indicator switch
• Up/down steering column adjustment motor Hall sensor 1
• In/out steering column adjustment motor Hall sensor 2
• Brake fluid indicator switch
• Left front brake pad contact sensor
• Right front brake pad contact sensor
Switching the following relays
• Circuit 15 relay
• Circuit 15R relay
• Circuit 87FW relay
• Fanfare horn relay
• Windshield wiper park heater relay
• Transmission oil cooler relay
Voltage supply for the following control units
• Circuit 30: Upper control panel control unit (plug C1)
• Circuit 30: Central gateway control unit (plug C1)
• Circuit 30: Instrument cluster (plug C1)
• Circuit 30: EIS [EZS] control unit (plug C1)
• Circuit 30: Cockpit central display (plug C2)
• Circuit 30: Steering column module (plug C2)
• Circuit 30: AAC [KLA] control unit (plug C2)
• Circuit 30: Instrument cluster (plug C2)
• Circuit 30: AC air recirculation unit (plug C3)
• Circuit 30: AAC [KLA] control unit (plug C5)
• Circuit 30: Intelligent servo module for DIRECT SELECT (plug I2)
• Circuit 30: ME-SFI [ME] control unit (plug I2) or Circuit 30: CDI control unit (plug I2)
• Circuit 30: AIRmatic with ADS control unit (plug I3) or Circuit 30: ABC control unit (plug I3)
• Circuit 30: Vehicle power supply control unit (plug I4)
• Circuit 15R: Restraint systems control unit (plug 61)
• Circuit 15R: Master wiper motor (plug MR3)
• Circuit 15R: Slave wiper motor (plug MR3)
• Circuit 15: Rear SAM control unit with fuse and relay module (plug I1)
• Circuit 15: Fully integrated transmission control (VGS) control unit (except engine M275 plug I1) or Circuit 15: ETC [EGS] control unit (with engine M275 plug I1)
• Circuit 15: Fuel pump control unit (with engine M275 plug I1)
• Circuit 15: CDI control unit (with engine M642 plug I1)
• Circuit 15: ME-SFI [ME] control unit (with engine M272 plug I1)
CAN connections
• CAN link between front SAM control unit with fuse and relay module (N10/1) and chassis CAN/cockpit voltage distributor (plug C2)
• CAN link between front SAM control unit with fuse and relay module (N10/1) and interior CAN/cockpit voltage distributor (plug C5)
• CAN: Central gateway control unit (plug C5)
• CAN link between front SAM control unit with fuse and relay module (N10/1) and chassis CAN/frame floor system voltage distributor (plug I1)
• CAN link between front SAM control unit with fuse and relay module (N10/1) and interior CAN/frame floor system voltage distributor (plug I5)
CAN signals
The front SAM control unit with fuse and relay module (N10/1) 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 Driver SAM Control System and it features.
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