Power Window Synchronization/Resynchronization

Definition
Synchronization means the counter status for position recognition in the door control module (N69/1) or (N69/2), (models 202/210 also N69/3 or N69/4) is set to the actual position of the side window. Synchronization is necessary when the door control module has been separated from the power supply (e.g. by disconnecting the battery, removing or installing the door control module), or following a desynchronization. When a window is not synchronized the door control module does not know in which position the window is and in which direction it is necessary to move the power window motor in order to close the window. For this reason synchronization is a prerequisite for proper operation of the one-touch window up/down control for the power window.

Synchronizing
Close window in question with power window switch or convenience feature until power window motor locks up, then continue to actuate switch. The door control module continues to actuate the motor and sets the counter for position recognition to zero when motor lock-up has been recognized for at least 0.3 sec. The window is then synchronized. This means that the door control module can now switch off the power window motor before reaching the lock-up position when opening and closing the window.
The window remains synchronized as long as it is not desynchronized.


NOTE: Model 208: For synchronization it is necessary for the door in question to be closed.


Resynchronization
Resynchronization is accomplished following
- Window has been closed/opened with one-touch up/down control 50 times in the synchronized state or
- The power window switch was held down in the direction for closing the window for longer than 3 sec. after the zero position has been reached.