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Mercedes Benz 171 Front SAM Control Unit

Location
Location
bottom view
bottom view
top view
top view
Location
The driver-side SAM control unit with fuse and relay module (N10/1) is located in the left front control unit box in the engine compartment.
Control
· Master control unit for the exterior lights function except the turn signal functions
· Interior lights (IBL)
· Wiper system (WSA)
· Headlamp cleaning system (HCS [SRA])
· Automatic heater (HEAT [HAU])
· Automatic air conditioning (AAC [KLA])
· Comfort automatic air conditioning (C-AAC [K-KLA])
Switching of consumers
• Left front lamp unit (complete)
• Right front lamp unit (complete)
• Left front fog lamp
• Right front fog lamp
• Left side marker (USA)
• Right side marker (USA)
• Driver footwell lamp (with code 876)
• Front passenger footwell lamp (with code 876)
• Front cigarette lighter with ashtray illumination (with code 301)
• Glove compartment lamp with switch
• Washer nozzle heater and washer nozzle hose heater (with code 875)
• Headlamp washer pump (with code 600)
• Washer pump
• Coolant circulation pump
• AAC [KLA] AC compressor control valve (with code 580 or 581)
• Shift gate illumination (with ETC [EGS], (USA) and (CANADA) only)
Scanning of switches, pickups and sensors
• Rotary light switch including outside mirror adjustment
• Refrigerant pressure/refrigerant temperature sensor (up to modification year 2004 with code 580 or 581)
• Refrigerant pressure sensor (as of modification year 2004 with code 580 or 581)
• Outside temperature indicator temperature sensor
• Brake fluid indicator switch
• Parking brake indicator switch
• Coolant level indicator switch
• Windshield washer fluid level indicator switch
• Reverse gear recognition switch (NSG only)
Switching the following relays
• Wiper on/off relay
• Wiper stage 1/stage 2 relay
• Fanfare horn relay
• Secondary air injection pump relay
• Circuit 87 relay (engine)
• Circuit 87 relay (suspension control unit)
Scanning and emitting the following signals
• Circuit 61
• Circuit 58d
• Reverse gear recognition (NSG only)
Voltage supply for the following control units
• Circuit 30: ME-SFI [ME] control unit (plug 2)
• Circuit 30: EIS [EZS] control unit (plug 19)
• Circuit 30: Radio (plug 11)
• Circuit 30 (twice): ESP and BAS control unit (plug 8)
• Circuit 15R: Restraint systems control unit (plug 12)
• Circuit 15: Restraint systems control unit (plug 12)
• Circuit 15 looped from EIS [EZS] control unit (plug 19) through driver-side SAM control unit to ME-SFI [ME] control unit (plug 2)
CAN connections
• CAN link between driver-side SAM control unit and CAN-B voltage distributor (plug 20)
CAN signals
The driver-side SAM control unit with fuse and relay module (N10/1) is a device on the CAN-B in the overall network.
Connector assignment (bottom view) of driver-side SAM control unit with fuse and relay module (N10/1)
Connector assignment (top view) of driver-side SAM control unit with fuse and relay module (N10/1)


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Description
In this section we have some useful information about some Mercedes Benz Front SAM System and it features.
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