GF77.20-P-3000GZ Tilting/Sliding Roof Lock-Up Recognition, Function

GF77.20-P-3000GZ Tilting/sliding roof lock-up recognition, function
- 164 with CODE (414) Power glass tilting/sliding roof up to Model Year 8

Function
The overhead control panel control unit (N70) receives voltage pulses from Hall sensor 1, SR and Hall sensor 2, SR located on the SR motor (M12m1) M12b1M12b2These are counted for position measurement and evaluated.
When the Hall sensor pulses are not received for longer than approx. 320 ms, even though the SR motor is actuated, the SR motor is switched off.

Moreover, the software includes a temperature protection feature in the overhead control panel control unit for overload protection In the event of failure of the Hall sensors, the tilting/sliding roof can only be closed in increments of approx. 320 ms or with the emergency crank. N70s1.