Model 164/251
Front passenger-side SAM control unit
Front SAM control unit (N10) shown on model 164
P54.21-2595-00
Location
Removal/installation
The front SAM control unit (N10) is located in the
underfloor assembly on the front passenger side.
The work instructions are documented in WIS:
f54.21-P-1254GZ Model 164.1
fCurrently not documented Model 251
Tasks
Control
Workshop Information System
(WIS)
Master control unit for the exterior lights function
except the turn signal functions
Model 164.1
n82.10-P-0999GZ
Model 251
nCurrently not documented
Interior lights (IBL)
Model 164.1
n82.20-P-0998GZ
Model 251
nCurrently not documented
Wiper system (WSA)
8
Model 164.1
n82.30-P-0998GZ
Model 251
nCurrently not documented
b Overview of SAM Control Units/Current Passenger Car Model Series 2005
– This printout will not be recorded by the update service. Status: 08 / 2005 –
Control
Workshop Information System
(WIS)
Headlamp cleaning system (HCS [SRA])
Model 164.1
n82.15-P-0998GZ
with code (600) Headlamp cleaning system
Model 251
nCurrently not documented
Model 164/251
Front passenger-side SAM control unit
Heated seats (HS [SIH])
Model 164.1
n91.30-P-0998GZ
with code (873) Heated left and right front seats
Model 251
nCurrently not documented
Power windows (EFH)
Model 164.1
n72.29-P-0998GZ
Model 251
nCurrently not documented
Central locking (CL [ZV]) Model 164.1
n80.20-P-0996GZ
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 I
Right front side-marker lamp I
Front footwell illumination
Rear footwell illumination (with code U61)
Washer pump
Washer nozzle heater (with code 875)
Center washer nozzle heater
(model 251 with code 875)
• Headlamp cleaning system washer pump
(with code 600)
• Heated front seats (with code 873)
• Left rear power window motor
• Right rear power window motor
• Left rear door central locking motor
• ADS air spring wake-up signal (with code 489)
• Charging of additional battery
Overview of SAM Control Units/Current Passenger Car Model Series 2005 b
– This printout will not be recorded by the update service. Status: 08 / 2005 –
9
Model 164/251
Front passenger-side SAM control unit
Scanning of switches, pickups and sensors
•
•
•
•
•
•
•
•
•
•
•
Left rear power window switch
Right rear power window switch
Left rear power window Hall sensor 1
Right rear power window Hall sensor 1
Parking brake indicator switch
Coolant level indicator switch
Windshield washer fluid level indicator switch
Right front brake pad contact sensor
Right rear brake pad contact sensor
Status of additional battery
Brake fluid sensor
Switching the following relays
•
•
•
•
•
•
Wiper on/off relay
Wiper stage 1/stage 2 relay
Fanfare horn relay
Windshield wiper park heater relay (model 251)
Interior/engine compartment circuit 15 relay
Charging of additional battery
Scanning and emitting the following signals
•
•
•
•
10
Circuit 31b
Circuit 61 (engine M113 only)
Circuit 58d
Air suspension wake-up signal (output only)
Voltage supply for the following
control units
• No voltage supply for control units
CAN connections
• CAN link between front SAM control unit and
cockpit CAN-B voltage distributor (plug F)
CAN signals
The front SAM control unit (N10) is a device on the
CAN-B in the overall network:
n00.19-P-0999GZ Model 164.1 except code
(498) Japan version
nCurrently not documented (model 251)
Wiring diagrams with pin/connector assignments
Current information on the wiring diagram and on the
connector assignments can be found in the documentation in WIS.
Fuse and relay assignments
Current information on the assignments can be found
in the documentation in WIS.
b Overview of SAM Control Units/Current Passenger Car Model Series 2005
– This printout will not be recorded by the update service. Status: 08 / 2005 –
9
9
10
10
A
D
2
10
10
40
1
40
1
3
1
1
2
2
B
Model 164/251
Front passenger-side SAM control unit
C
E
F
1
31
1
31
P54.21-2596-00
Connector assignments of front SAM control unit (N10)
Circuits and assignments
Workshop Information System
(WIS)
Wiring diagrams and pin/connector assignments,
control unit N10
r54.21-P-2114MAA Sheet 1
Model 164
r54.21-P-2114MAB Sheet 2
r54.21-P-2114MAC Sheet 3
r54.21-P-2114RAA Sheet 1
Model 251
r54.21-P-2114RAB Sheet 2
r54.21-P-2114RAC Sheet 3
Fuse and relay assignments
Model 164.1/8
n54.15-P-0800GZ
Model 251
n54.15-P-0800RT
Overview of SAM Control Units/Current Passenger Car Model Series 2005 b
– This printout will not be recorded by the update service. Status: 08 / 2005 –
11