5 Series E60 525d (M57TU) SAL
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Independent heating function (independent heater control unit)
The range (sensitivity) of the ultrasonic signals is adapted. The positions of the side windows and the
sliding/tilting sunroof are evaluated by the DWA. If no position value is available, a less sensitive setting is
selected.
If the DWA is activated and a comfort function is executed (e.g. convenience closing using remote control):
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If the position of the side windows or sliding/tilting sunroof is changed, the interior monitoring function is
deactivated for as long as the closing procedure runs.
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After the closing movement has been completed, or at most after 25 seconds:
the positions of the side windows and sliding/tilting sunroof are re-evaluated and the sensitivity adapted.
The switching-on of the independent ventilation or independent heating system is also monitored to prevent
false alarms (movement in vehicle interior caused by airflow).
Deactivating interior motion sensor and tilt monitoring
It may be advisable to deactivate the tilt monitoring and interior motion sensor under the following conditions:
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when the vehicle is being transported (e.g. rail, ferry)
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When the vehicle is parked in a two-level garage
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When persons or animals remain in the vehicle
The tilt monitoring and interior motion sensor are deactivated when the command "lock/deadlock" is executed
twice within the space of 10 seconds (e.g. with the remote control).
The DWA LED indicates the deactivation by lighting up for 2 seconds.
The ultrasonic interior motion sensor and the tilt alarm sensor can also be permanently deactivated (see Car and
Key Memory).
Emergency function for acoustic DWA alarm
If the siren fails during an alarm, or if the local data bus is interrupted, the acoustic alarm is emitted from the
fanfare horn. To do this, the DWA control unit transmits a message to the steering column switch cluster (SZL).
Combined operation with lock cylinder and remote control
The alarm system can be primed and disarmed by either the door lock or the remote control (= combined
operation). In some countries, insurance requirements prohibit such combined operation.
In the event of the combined operation failing, the alarm system can still be primed at the door lock, but cannot
be disarmed at the door lock. Disarming is only possible with the remote control. The function of the combined
operation can be encoded in the CAS control unit.
Notes for service staff
Service staff should note the following points:
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General information: [more ...]
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Diagnostics: ---
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Encoding/programming: ---
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Car and Key Memory: [more ...]
National versions
DWA alarm output on different national versions
SBT Anti-theft alarm system E60, E61
BMW AG - TIS
12.02.2013 16:03
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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