Mercedes Benz 171 Rear SAM Control Unit
locations
bottom view
side view
Rear SAM control unit
Location
The rear SAM control unit with fuse and relay module (N10/2) is located on the control unit plate in the trunk.Control
· Exterior lights function, master control unit for the turn signal functions · Central locking (CL [ZV])
· Anti-theft alarm system (ATA [EDW])
· Heated rear window (HHS)
Switching of consumers
• Left tail lamp (complete)• Right tail lamp (complete)
• License plate illumination
• Center high-mounted stop lamp
• Trunk illumination
• Trunk lid emergency release switch
• Trunk lid lock 90° switch
• Trunk lid CL [ZV] motor
• KIT switch function illumination I
• Alarm signal horn with additional battery (with code 551 via interface)
Switching the following relays
• Tank cap pole reverser relays 1 and 2• Circuit 15R relays 1 and 2
• Heated rear window relay
Scanning of switches, pickups and sensors
• Fuel level sensor• Left door contact switch
• Right door contact switch
• Trunk lid external operation switch
• ATA [EDW] center console compartment switch (with code 551)
• Rear wall stowage compartment ATA [EDW] switch (with code 551)
• ATA [EDW] hood switch (with code 551)
• ATA [EDW] glove compartment switch (with code 551)
• Trunk lid emergency release switch
• ATA [EDW] trunk illumination switch (with code 551)
• Rotary tumbler/trunk lid microswitch
• ATA [EDW] inclination sensor (with code 551)
• CL [ZV] radio receiver (via interface) • Integrated crash sensor
CAN signals
The rear SAM control unit with fuse and relay module (N10/2) is a device on the CAN-B in the overall network.Note
The fuel pump relay is mounted on the relay block of the rear SAM control unit and is actuated via the ME-SFI [ME] control unit.
Voltage supply for the following control units
• Circuit 30: Alarm signal horn with additional battery (plug 4)• Circuit 30: ATA [EDW] inclination sensor (plug 4)
• Circuit 30: UPCI [UHI] control unit (plug 9)
• Circuit 30: PTS control unit (plug 22)
• Circuit 30: Left antenna amplifier module (plug 23)
CAN connections
• CAN link between rear SAM control unit and CAN B voltage distributor (plug 2)• CAN: Audio gateway control unit (plug 11)
• CAN: PTS control unit (plug 12)
• CAN: Power soft top control unit (plug 18)
Connector assignment (bottom view) of rear SAM control unit with fuse and relay module (N10/2)
Connector assignment (side view) of rear SAM control unit with fuse and relay module (N10/2)
AutoHex (Auto Diagnostic scanner) is one of the best Professional scan tools to for Mercedes Benz; Autohex Scanner can test Mercedes Benz Systems effectively and easily, with many powerful features to help you in diagnosing and testing. For more information:
Mercedes Benz Scan Tool
Changing Dmaged DME in F Series
Description
In this section we have some useful information about some Mercedes Benz 171 Rear SAM Systems and it features.
Autohex II Reviews
AutoHex II
AutoHex Forum
Car Technical Information
Diagnosis and Coding
