ML 500 (163.175) V8-5.0L (113.965) (2003)
Body Control Module: Description and Operation
GF54.21-P-4106-01GK Extended Activity Module, Task
GF54.21-P-4106-01GK Extended Activity Module, Task
The main tasks of the extended-activity module (EAM) (N10/1) are as follows:
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Controlling the door courtesy lights
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Disabling mirror dimming
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Controlling the headlamp cleaning system (HCS)
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Controlling the rear window heater (valid up to 31.08.01)
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Controlling the heated seats
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Supplying power to the sliding/tilting roof (SR) or lamella roof switch via the convenience feature (valid up to 31.08.01)
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Controlling the PTC heater booster (R22/3) (valid up to 31.08.01)
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Controlling the auxiliary fan (M4)
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Scanning the cruise control pushbutton switch (S40) and relaying this data to the control module (DAS, N73/1)
New features as of 01.09.01
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Controlling windshield wiper speed 1 or 2
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Actuating the automatic headlamp range adjustment (AHRA)
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Actuating the left and right front headlamps
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Emergency light function for proper functioning of the low beam in the event of failure of the all-activity module (AAM) (N10) and CAN
communications between the all-activity module (AAM) (N10) and the extended-activity module (EAM) (N10/1)
To perform these tasks the extended-activity module (AAM) (EAM) (N10/1) scans various signals and switches direct.
Over the engine compartment CAN the extended-activity module (EAM) (N10/1)exchanges data with other control modules.
Diagnosis
Diagnosis is performed with the STAR Diagnosis tool. For this purpose, the extended-activity module (EAM) (N10/1) has a dedicated diagnostic line.
This line is also used for diagnosing the all-activity module (AAM) N10), the transfer case control module (N78) and, as of 1.9.00, the trip computer
(TRIP) control module (N41).
The extended-activity module (EAM) (N10/1) is linked with the all-activity module (AAM) (N10) over the engine compartment CAN.
When terminal 15 is off, the CAN (N10 - N10/1) is responsible for communications between the all-activity module (AAM) (N10) and the
extended-activity module (EAM) (N10/1).
The CAN (N10 - N10/1) is a standalone CAN link between the all-activity module (AAM) (N10) and the extended-activity module (EAM) (N10/1). No
other control modules are connected to the CAN (N10 - N10/1).