Structure and inner electrical connection
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
The servomotor for swirl flap adjustment is a direct current motor. The position sensor is a hall effect sensor. The hall effect sensor determines the revolutions of the servomotor. This is used to calculate the position of the swirl flaps.
| Item | Explanation |
|---|---|
| 1 | Swirl-flap actuator with swirl flap (6 pieces) |
| 2 | Hall effect sensor |
| 3 | Electronic component with evaluation electronics |
PIN REFERENCE
| Pin | Explanation |
|---|---|
| SIG1 | Activation of swirl-flap actuator, plus |
| SIG2 | Activation of swirl-flap actuator, minus |
| 5 V | Voltage supply for swirl flaps position sensor |
| Terminal 31E | Ground for swirl flaps position sensor |
| SIG3 | Signal of swirl flaps position sensor |