GF72.29-P-4003RT Normalization of Power Windows, Function

GF72.29-P-4003RT Normalization Of Power Windows, Function
- up to model year 08

Normalization
Normalization means learning in the left front door control unit (N69/1), right front door control unit (N69/2) and front SAM control unit (N10) to the upper mechanical window stop (zero point). For this purpose, it is necessary to completely close the corresponding window by actuating and holding down the driver power window and outside mirror adjustment switch group (S20/1) or the corresponding switch for the other windows.The corresponding door control unit or the front SAM control unit then sets the position counter for Hall signals to zero, if it recognizes a lock-up of the left front power window motor (M10/3), right front power window motor (M10/4), left rear power window motor (M10/5) or right rear power window motor (M10/6) for approx. 0.5 s.

Denormalization
Denormalization occurs when:
^ The position counter status exceeds the maximum window travel;
^ An incorrect rotation direction of the Hall sensors is recognized
^ The Hall sensor signal is not present;
^ If circuit 30 "OFF"

Normalization of the power window is a prerequisite for the function:

^ Automatic raising with excess force limiter