5 Series E60 M5 (S85) SAL
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Tilt alarm sensor
The tilt alarm sensor monitors the vehicle's horizontal position (inclination in longitudinal and lateral directions).
The signal from the tilt alarm sensor is evaluated by the microprocessor in the siren. The tilt alarm sensor
detects a change in the vehicle position and triggers a DWA alarm.
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The following control units are involved in the anti-theft alarm system:
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DWA control unit with ultrasonic interior motion sensor
The DWA control unit forms a unit with the ultrasonic interior motion sensor.
The DWA control unit activates the siren via a single-wire bus. The DWA control unit is connected to the K-CAN.
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Car Access System
The CAS control unit monitors the status of the central locking system. The bonnet contact switch is connected
to the CAS control unit. The opening of the bonnet is thus monitored (open or closed). The CAS control unit
feeds this signal to the DWA control unit via the K-CAN. The CAS control unit also supplies the flowing signals:
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Boot-lid unlocking via remote control
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Key in ignition starter switch
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Status of convenience opening/closing
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Driver's and front-passenger door modules
The door modules (TMFA and TMBF) supply information about the position of the front power windows. The
signal is fed to the DWA control unit via the K-CAN.
In addition, the door modules monitor the door contacts in the front doors.
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Body basic module
The body basic module (KBM) supplies the position of the rear power windows. The signal is fed to the DWA
control unit via the K-CAN.
The body basic module also monitors:
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Door contacts in rear doors
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Tailgate contact switch
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Rear window contact switch (E61 only)
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Sliding/tilting sunroof control unit
The SHD control unit supplies information about the position of the sliding/tilting sunroof (or Panorama glass
sunroof on the E61). The signal is fed to the DWA control unit via the K-CAN.
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Integrated heating and air conditioning system
The integrated heating and air conditioning system (IHKA) controls the independent ventilation function. The
IHKA feeds this signal to the DWA control unit via the K-CAN. The signal for the independent ventilation function
is needed to calibrate the sensitivity of the ultrasonic interior motion sensor.
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Independent heater control unit
The SHZH control unit controls the independent heating function. The SHZH control unit feeds this signal to the
DWA control unit via the K-CAN. The signal for independent heating function is needed to calibrate the
sensitivity of the ultrasonic interior motion sensor.
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Light module
The light module (LM) actuates the lighting system for the visual DWA alarm. The DWA control unit feeds the
triggering signal to the light module via the K-CAN.
The following actuators are actuated for the anti-theft alarm system:
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Siren with integrated tilt alarm sensor
SBT Anti-theft alarm system E60, E61
BMW AG - TIS
23.02.2013 20:15
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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