Sunroof, Normalization - BMW 5251 Service Manual

Sunroof, normalization
During normalization the mechanical end positions of sunroof
movement are detected and stored by the General Module
(GM Ill).
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Press and hold sunroof switch in "lift" direction.
Afler reaching end position (A), keep switch pressed for
approximately 20 seconds longer.
-
Normalization is complete when sunroof in lifl position (A)
moves briefly in direction of
(6).
E39 models up t o 311 998
-
The characteristic curve for E39 models built up to 311998 is
learned automatically during operation. After normalization,
open and close sunroof once by pressing switch.
NOTE-
In the event of a faulty triggering of the anti-trap protection in
a specific position, the fault can be rectified by moving over
the relevant position several times.
E39 models from 311 998
-
Characteristic curve is learned manually in the following
steps:
Release switch after normalization for maximum of 5 sec-
onds.
Then hold down switch in sunroof raising position until sun-
roof has returned to closed position after a complete open-
ing operation.
Characteristic curve learning is complete, release sunroof
switch.
NOTE-
Carry out function check (tip function, anti-trap protection
and, i f necessary, comfort function).