BMW 7 Series: Service Information
Initialization
Initialization of the slide/tilt sunroof involves the following procedures that are necessary to ensure complete functionality of the slide/tilt sunroof:
- Normalization
Normalization means locating the mechanical end position at the stop for the tilt position. This position is stored and is used in calculating the remaining end positions for the slide/tilt sunroof. - Learning the characteristic curve
The learning procedure registers the closing force necessary for each direction of the slide/tilt sunroof and stores this value.
Complete functionality of the slide/tilt sunroof can be guaranteed only by full initialization.
The initialization procedure can be initiated with the button for the slide/tilt sunroof or via the diagnosis system.
Initialization with the Button
Initialization is performed as follows:
- Press and hold control button in slide/tilt sunroof Tilt direction
The glass panel moves into the tilt position and the sunroof shade into the ventilation position - After approximately 15 seconds the initialization run starts in the tilt direction and stores the end position
- The slide/tilt sunroof is closed after 5 seconds in the Tilt position
- The slide/tilt sunroof is then opened and the end position stored.
NOTE: The control button must remain pressed during the entire initialization procedure. The initialization procedure must be repeated if the button is released.
Initialization takes approximately 120 seconds.
Interruption in Power Supply
An interruption in the power supply does not require a new normalization. The initialization is invalidated if the power supply is interrupted during the initialization. A new initialization will then be necessary.
Clearing the initialization
Initialization is cleared under the following circumstances:
- Failure of the power supply during initialization
- Hall sensor fault detected
- Position implausible
- Certain calls in the diagnostics
- Changed vehicle coding
- Coding data faulty.
READ NEXT:
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
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
SEE MORE:
Speed Limiter
Vehicle features and
options
This chapter describes all standard, country-specific
and optional features offered with the series.
It also describes features and functions that are
not necessarily available in your vehicle, e.g., due
to the selected options or country versions. This
also applies to
Operating Fluids
1.0 GENERAL INFORMATION ON FINAL DRIVE OIL
Final Drive oil or hypoid gear lubricant must conform with the following
requirements because of the high
loads which occur on the profiles of the hypoid gear teeth:
Load carrying capacity.
Sufficient protection against seizure.
Good wear protection.
