CLK 320 (209.365) V6-3.2L (112.955) (2004)
Body Control Module: Description and Operation
GF54.21-P-4108-01Q Front SAM Control Unit With Fuse and Relay Module, Task
GF54.21-P-4108-01Q Front SAM Control Unit With Fuse And Relay Module, Task
Tasks
Actuation of:
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Wiper system
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Windshield washer system
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Headlamp cleaning system
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Exterior lights
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Refrigerant compressor
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Fanfare horns
Reading in the following switches:
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Lamp switch module (S1)
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Brake fluid indicator switch (S11)
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Parking brake indicator switch (S12)
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Backup lamp switch (S16/2)
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Gear identification switch (S16/10)
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Clutch pedal switch (S40/3)
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Coolant level indicator switch (S41) voltage-coded
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Windshield washer fluid level indicator switch (S42)
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ATA hood switch (S62)
Scanning the following sensors:
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Refrigerant pressure and temperature sensor (B12/2)
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Outside temperature indicator temperature sensor (B14)
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Gear indicator sensor (A62)
Scanning the following signals:
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Term. 61 (the pre-exciter current is generated in the SAM by a series resistor)
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Terminal 15
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Terminal 15R
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Circuit 31b (Wiper motor cam controller)
Switching consumers via semiconductor switches:
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Lamps of exterior lighting system
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Lamps of the interior lighting system
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Windshield wiper water pump (M5/1)
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HCS pump (M5/2)
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Coolant circulation pump (M13)
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SEQ hydraulic pump (M46)
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control unit box blower motor (M2/2)
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Washer nozzle heater (R2/1)
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Washer nozzle hose heater (R2/11)
Switching the following relays:
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Fanfare horns relay (N10/1kI)
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Relay circuit 87, chassis (N10/kk)
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Wiper speed 1 and 2 relay (N10/1kL)
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Terminal 15R relay (N10/1kM)
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ASG [automated manual transmission] pump control relay (N10/ kN)
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Air pump relay (N10/kO)
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Terminal 15 relay (N10/1kP)
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Wiper ON/OFF relay (N10/1kQ)
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Circuit 87 relay, engine (N10/kR)
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Starter relay (N10/kS)
The front SAM control unit with fuse and relay module (N10/1) is connected with the interior CAN for the purpose of data exchange.