Adaptive Headlights Block Diagram
WARNING: This page does not describe the selected car, but rather 37 other vehicles, including the 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, 2005 BMW 330xi, and 2005 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.
The following block diagram shows the following relationships:
- Components in the headlights controlled by the central light switch (LSZ) and the AHL control unit.
- Components supplying the input signals necessary for this.
- Buses and direct wire connections.
NOTE:
ADAPTIVE HEADLIGHTS BLOCK DIAGRAM LEGEND
| Key | Explanation | Key | Explanation |
|---|---|---|---|
| 1 | AHL control unit for adaptive headlights | 2 | Stepper motor controller (SMC) |
| 3 | Swivel module | 4 | Xenon control unit and electronic ballast for D2-S bulbs, actuated by the light switch cluster. |
| 5 | Light switch cluster (LSZ) | 6 | Control unit in the instrument cluster (KOMBI) as gateway (= data interface) between the K CAN and PT CAN |
| 7 | PT CAN to the basic module (GM) and electronic transmission control (EGS) | 8 | Light switch |
| 9 | Rain/light sensor (RLS) | 10 | Brake-light switch (brake pedal highlighted in black) |
| 11 | Ride-height sensors (one each on front axle, right and rear axle, right) | ||
| K bus | Body bus | LIN bus | Local bus (Local Interconnect Network) |
| PT CAN | Powertrain CAN |