Roof Function Center A21*4B Connector End View
Pin Assignments At Plug Connector A21*4B
| Pin | Type | Description /Signal type | Connection /Measuring information |
|---|---|---|---|
| 1 | M | Ground | Solder connector |
| 2 | E | Signal Locator lighting | Solder connector |
| 3 | E | Emergency call signal | Telematic Communication Box |
| 4 | E | Signal LED emergency call button | Telematic Communication Box |