Head-up Display System Schematic Circuit Diagram
HEAD-UP DISPLAY SYSTEM LEGENDS
| Index | Explanation |
|---|---|
| 1 | Central Gateway Module (ZGM) |
| 2 | Head-up display (HUD) |
| 3 | Central Information Display (CID) |
| 4 | Junction box (JB) |
| 5 | Front power distribution box |
| 6 | Controller |
| 7 | Car Information Computer (CIC) |
| 8 | Instrument cluster (KOMBI) |
| 9 | Driver assistance system control panel (BAFAS) |
| 10 | Footwell module (FRM) |
| K-CAN | Body controller area network |
| LIN-Bus | Local Interconnect Network bus |
HUD CONTROL UNIT K-ACN SIGNALS REFERENCE CHART
| In/out | Information | Source/sink | Function |
|---|---|---|---|
| In | Road speed | Instrument cluster | Display in the HUD |
| In | Check control message | Instrument cluster | Display in the HUD |
| In | Dimming/brightness | Rain and driving light sensor (RLS) via roof function Center (FZD) | Brightness adjustment |
| In | Height adjustment | CIC | Height adjustment |
| In | Brightness offset | CIC | Brightness adjustment |
| In | DCC | EHB3 (Adaptive Brake Assistant Warning) | Display in the HUD |
| In | Function selection | CIC | What is displayed in the HUD |
| In | On/Off switch | BAFAS | Switching the HUD On/Off |
| In | Navigation | CIC | Display in the HUD |