Structure and inner electrical connection: Notes
The roof function center, High version, is connected to the vehicle electrical system via 5 plug connections. The LIN bus connects the FZD control unit with the siren and tilt sensor.
The roof function center (FZD) is a bus user at K-CAN2.
The power distribution box in the junction box or the power distribution box at the front right supplies the roof function center (FZD) with permanent positive.
| Item | Explanation |
|---|---|
| 1 | Left-side reading light |
| 2 | Left-side ambient light |
| 3 | Interior light |
| 4 | Right-side ambient light |
| 5 | Reading light, right |
| 6 | Indicator lamp for front passenger airbag deactivation |
| 7 | Button for right-hand reading light with locator lighting |
| 8 | Ultrasonic interior movement detector (USIS) with ultrasonic interior sensors |
| 9 | FZD control unit |
| 10 | Sliding/tilting sunroof switch |
| 11 | Electronic component |
| 12 | SOS button with emergency call LED |
| 13 | Button for left-hand reading light with locator lighting |
| 14 | Interior light button with locator lighting |