BMW 7 Series: Introduction
Anti-theft System
The anti-theft system is available as an option. The task of the anti-theft system is to indicate unauthorized access to the vehicle by emitting an alarm. The alarm can be triggered both audibly and visually. To do this, however, the anti-theft system must be activated. When activated, the alarm monitors the whole of the vehicle interior.
In addition the anti-theft system monitors the engine compartment and the vehicle's rest position. In order that nothing can be stolen from the trunk, the anti-theft system monitors opening of the trunk lid.
The alarm also signals an attempt to tamper with the vehicle, e.g. cutting of the supply line to the emergency power siren.
The anti-theft system's ultrasonic interior movement detector is entirely integrated in the roof function center.
The ultrasonic signal passes into the inside of vehicle through apertures in the grille of the roof function center.
The emergency power siren and combined tilt sensor is located near the rear wheel arch.
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System Overview
Anti-theft System Circuit Diagram
Fig. 34: Anti-Theft System Circuit Diagram
COMPONENTS DESCRIPTION CHART
Hood switch
Car Access System 4 (CAS4)
Anti-theft system (DWA) LED
Junction Box electron
Functions
Overview
When activated, the anti-theft system on the F01/F02 monitors the entire
vehicle. The doors and hood/trunk lid,
emergency current siren, the vehicle interior and the DWA bus in particular ar
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Socket for OBD Onboard
Diagnosis
General information
Devices connected to the OBD socket trigger
the alarm system when the vehicle is locked. Remove
any devices connected at the OBD socket
before locking the vehicle.
Safety information
NOTICE
The socket for Onboard Diagnosis is an intricate
component intended to be used in conjunct
ARS Hydraulic Valve Manifold
Fig. 121: Identifying ARS Hydraulic Valve Manifold Components
INDEX REFERENCE CHART
Front-axle pressure valve [PVV]
Rear-axle pressure valve [PVH]
Switch-position detector [SSE]
Front-axle pressure sensor [DSV]
Rear-axle pressure sensor [DSH]
Failsafe valve [FS]
Direction valve [RV]
The hy
