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Home >> Mercedes Benz >> 2002 >> C 320 Wagon (203.264) V6-3.2L (112.946) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Initial Inspection (Description and Operation of ME-SFI Systems & Components) >> Front SAM Control Module With Fuse and Relay Module, Location/Task/Design >> Front SAM Control Module With Fuse and Relay Module, Task >> Front Sam Control Module With Fuse and Relay Module, Task

Front Sam Control Module With Fuse and Relay Module, Task




Front SAM Control Module With Fuse and Relay Module, Task

The front SAM control module with fuse and relay module (N10/1) performs the following tasks:
- Actuation of windshield wiper
- Windshield washer system control
- Headlamp cleaning system (HCS) control
- Controlling the exterior lights
- Fanfare horns control
- Control module box fan control

Reading in the following switches:
- Lamp switch module (S1)
- Brake fluid level switch (S11)
- Parking brake switch (S12)
- Coolant level indicator switch (S41) voltage-coded together with the
- Windshield washer system fluid level indicator switch (S42)
- Stop lamp switch (S9/1)
- ATA hood switch (S62)
- Reversing light switch (S16/2)
- Outside mirror fold-out switch (S1s3)
- Left mirror adjustment switch (S1s4)
- Right mirror adjustment switch (S1s5)

Scanning the following sensors:
- Refrigerant pressure and temperature sensor (B12/2)
- Outside temperature indicator temperature sensor (B14)

Scanning the following signals:
- Circuit 61 (the pre-exciter current is generated in the SAM by a series resistor)
- Terminal 15
- Terminal 15R
- Circuit 31b (Wiper motor cam controller)

Switching consumers via semiconductor switches:
- Exterior lights
- Lamps of the interior lighting system
- Windshield wiper water pump (M5/1)
- Tailgate washer fluid pump (M5/3) (model 203.2 only)
- Headlamp cleaning system pump (M5/2)
- Coolant circulation pump (M13)
- SEQ hydraulic pump (M46)
- Control module box blower motor (M2/2)
- Washer nozzle heating (R2/1)
- Washer nozzle hose heater (R2/11)
- Air conditioning regulating valve

Switching in the following relays:
- Terminal 15 relay (N10/1kP)
- Terminal 15R relay (N10/1kM)
- Wiper on and off relay (N10/1kQ)
- Wiper 1 and 2 relay (N10/1kL)
- Fanfare horn relay (N10/1kl)
- Terminal 87 relay, chassis (N10/kK)
- Terminal 87 relay, engine (N10/kR)
- Starter relay (N10/1kS)

The front SAM control module with fuse and relay module (N10/1) is linked to the interior CAN for the purposes of data transfer.

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