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Mercedes Benz 203 Rear SAM Control Unit

Locations
Locations
bottom view
bottom view
side view
side view
Location
The rear SAM control unit with fuse and relay module (N10/2) is located on the control unit platform in the left-hand side of the trunk.
Control
· Exterior lights function, master control unit for the turn signal functions
Model 203 and Model 209.3/4
· Wiper system (WSA), rear wiper system only 203.2
Model 203.0/2/7 up to 23.4.04 and Model 203.0/2/7 as of 24.4.04
· Central locking (CL [ZV])
Model 203.0/2/7 and Model 209.3/4
· Heated rear window (HHS)
Model 203.0/2/7 and Model 209.3 and Model 209.4
· Master control unit for the anti-theft alarm system (ATA [EDW])
Model 203.0/2/7 and Model 209.3/4
· Rear head restraint lowering mechanism (RHR [KAF])
Model 203, 209.3 and Model 209.4
· Rear roller blind
Model 203.0, 209.3
Switching of consumers
• Left taillamp (complete)
• Right taillamp (complete)
• License plate illumination
• Center high-mounted stop lamp
• Left and right side marker I (model 203.7)
• Trunk illumination
• Alarm siren with additional battery (with code 551 via interface)
• Rear head restraint release valve with cutout delay (model 203.0)
• Rear-end door wiper motor (model 203.2)
• Trunk lid actuation CL [ZV] motor
Scanning of switches, pickups and sensors
• Front door contact switch
• Left rear door contact switch (model 203.0/2)
• Right rear door contact switch (model 203.0/2)
• Luggage compartment lamp switch
• Trunk lid external operation switch
• Trunk lid contact switch
• ATA [EDW] hood switch (with code 551)
• Trunk lid internal operation switch I
• Fuel tank sensor 1
• Fuel tank sensor 2
• Seat locking mechanism switch (model 209)
• ATA [EDW] inclination sensor (with code 551 via interface)
• CL [ZV] radio receiver (via interface)
• Integrated crash sensor
Switching the following relays
• Tank cap pole reverser relays 1 and 2
• Circuit 15R relays 1 and 2
• Heated rear window relay
• Rear roller blind relay (203.0, 209.3)
Voltage supply for the following control units
• Circuit 30: ATA [EDW] inclination sensor (plug 4)
• Circuit 30: ATA [EDW] alarm signal horn (plug 4)
• Circuit 30: Voice control system control unit (plug 5) or
Circuit 30: Telephone interface (USA) (in model 209 plug 5) or Hands-free system control unit (JAPAN) (in model 209 as of 06.04 plug 5)
• Circuit 30: TPM [RDK] control unit (in model 209 plug 7)
• Circuit 30: TV tuner (ECE and (USA) in model 203 up to 03.04 plug 9) or Circuit 30: MOST TV tuner (ECE and (USA) in model 203 as of 04.04 plug 9) or Circuit 30: TV tuner or MOST TV tuner (ECE and (USA) in model 209 up to 05.05 plug 9) or Circuit 30: Analog/digital combination tuner (ECE and (USA) in model 209 as of 06.05 plug 9)
• Circuit 30: Stationary heater radio remote control receiver (plug 16)
• Circuit 30: Trailer recognition control unit (plug 17)
• Circuit 30: Power soft top control unit (in model 209.4 plug 17)
• Circuit 30: CD player with changer in glove compartment (in model 209 plug 20)
• Circuit 30: Overhead control panel control unit (plug 22)
• Circuit 30: Amplifier module 1, window antenna (in model 203 plug 23) and
Circuit 30: Amplifier module 2, window antenna (in model 203.0 and 203.7 as of 04.04 plug 23)
• Circuit 30: Left door Keyless Go control unit (in model 209 plug 28) or Circuit 30: Rear module Keyless Go control unit (in model 209 plug 28)
• Circuit 15R: Driver-side front seat adjustment control unit with memory (plug 1)
• Circuit 15R: Passenger-side front seat adjustment control unit with memory (plug 1)
• Circuit 15R: Voice control system control unit (plug 5)
• Circuit 15R: PTS control unit (plug 12)
• Circuit 15R: NECK-PRO head restraint triggering device (as of 06.05 plug 26)
• Circuit 15: Front SAM control unit with fuse and relay module (plug 1)
• Circuit 15: Trailer recognition control unit (plug 15)
CAN connections
• CAN link between rear SAM control unit (N10/2) and CAN-B voltage distributor (plug 2)
• CAN: Tire pressure loss warning control unit (in model 209 plug 8)
• CAN: Remote trunk closing control unit (in model 209.3 plug 10)
• CAN: UCP [OBF] control unit (plug 11)
• CAN: PTS control unit (plug 12)
• CAN: Trailer recognition control unit (plug 15)
• CAN: Power soft top control unit (in model 209.4 plug 18)
• CAN: Overhead control panel control unit (plug 22)
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.

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)


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Description
In this section we will add some useful information about some Mercedes Benz 203 Rear SAM System and it features.
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