HUD Pin Assignments
WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
PIN ASSIGNMENT FOR HUD CONNECTOR X13819, 12-PIN
| Pin | Type | Description |
|---|---|---|
| 1 | E | Signal wire from button for switching head-up display on and off |
| 2 | - | - |
| 3 | E/A | K-CAN High |
| 4 | E/A | K-CAN Low |
| 5 | V | Terminal 30g (power supply, active) |
| 6 | V | Terminal 30g (power supply, active) |
| 7 | A | Negative wire to button for switching head-up display on and off |
| 8 | - | - |
| 9 | - | - |
| 10 | - | - |
| 11 | M | Terminal 31 (earth) |
| 12 | M | Terminal 31 (earth) |
| E = Input E/A = Input and output M = Earth V = Supply For current specifications regarding pin assignments, please refer to BMW diagnosis system. |
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PIN ASSIGNMENT FOR HUD CONNECTOR X13835, 2-PIN
| Pin | Type | Description |
|---|---|---|
| 1 | E | MOST data bus input |
| 2 | A | MOST data bus output |
| E = Input A = Output For current specifications regarding pin assignments, please refer to BMW diagnosis system. |
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