Roof Function Center A21*1B Connector End View
Pin Assignments At Plug Connector A21*1B
| Pin | Type | Description /Signal type | Connection /Measuring information |
|---|---|---|---|
| 1 | E | Supply A21 Roof function centre | A21 Roof function centre only F57 |
| 2 | M | Ground | Solder connector |
| 3 | A | Emergency call signal | Telematic Communication Box non-F57 |
| 3 | A | Signal Passenger airbag deactivation | Crash safety module only F57 |
| 4 | E | LED emergency call button | Telematic Communication Box |
| 5 | E | Supply, terminal 30 | Fuse F39 |
| 6 | E/A | K-CAN bus signal | K-CAN2 bus connection |
| 7 | E | LED antitheft alarm system | Electrochromic interior rear view mirror |
| 8 | M | Ground | Interior light, front |
| 9 | -- | Not used | |
| 10 | E | Signal Interior lights | Connector 58g |
| 11 | E/A | Signal, passenger airbag deactivation switch Activation, LED function indicator | A11 Crash safety module |
| 12 | M | Ground | Ground connector |
| 13 | E/A | K-CAN bus signal | K-CAN2 bus connection |
| 14 | E/A | LIN bus signal | Siren with tilt alarm sensor |
| 15 | E | Signal Slide/tilt sunroof | Interior light, front |
| 16 | -- | Not used |