Mercedes S-Class W-220
since 1998 of release
Repair and car operation
+ Mercedes-Benz Cars of a class S (W220)
+ Operation manual
+ Routine maintenance
+ cooling and heating Systems
+ Power supply system and release
+ engine Electric equipment
+ Automatic transmission
+ Power shafts
+ Brake system
+ Suspension bracket and steering
- Onboard electric equipment
Diagnostics of malfunctions of onboard electric equipment - the general information
Check of the electric motor of a screen wiper
Check of warmed back glass
Replacement of filament lamps
Function of reserve light
Electric safety locks
Installation of electric and electronic devices
Elements of the uniform lock
Arrangement of the basic electric elements of system of electric equipment of a body of the car
Anticreeping alarm system
+ electric equipment Cхемы
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Anticreeping alarm systemActivation of the anticreeping alarm system
Anticreeping alarm system
ATA is activated from:
- The uniform lock with PDU;
- The uniform lock with the lock switch (the USA, Japan);
- Repeated closing;
- Locking with KEYLESS GO system (only a code 889);
- Self-activization (Belgium): In two minutes after the last locking if the driver's door is open and it is again closed after extraction of a remote key;
- ATA is not activated at an open driver's door;
- Activation of ATA interrupts the previous alarm system;
- At repeated giving of a food of ATA automatically реактивируется if it was active to food interruption of supply;
- IMS and TS can be switched off separately.
Sequence of work
The EIS control unit (N73) gives command for CAN for car locking. The left forward SAM (N10/6) transfers the message «to ATA is active» on CAN. Then the mentioned control units activate their entrances of the alarm system.
Siren activation with the additional battery (H3/1)
The left forward SAM (N10/6) activates a siren (H3/1) via the direct tire of data.
Activation of contact to an external surface
Back (N10/8) and left forward (N10/7) of SAMактивируют alarm system entrances to which contacts of doors are connected. The entrance is activated after, at least, 10 seconds of an inactive condition.
When receiving by back SAM (N10/6) of the message on locking of all doors and trunk lids, also are activated by TS and IMS (if they were not switched off previously).
Feedback at successful activation
At active the ATA control unit of the top console (N72) causes a light-emitting diode blinking in TS, IMS and ATA switches indicators (N72/1s7) with frequency of 1 Hz.
Activation of the sensor of towage of TS
Forward left SAM (N10/6) transfers to back SAM (N10/8) team of activation of TS. The entrance of TS is activated by back SAM after, at least, 10 seconds of an inactive condition.
Only code 882: Motion sensor activation in IMS salon
Forward left SAM (N10/6) transfers team of activation of the IMS transceiver (A26/14) to the control unit of the top console (N70). The control unit of the top console directly activates the module via the tire of data. The module displays the availability for service.