| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | | Not used | |
| | | |
| 2 | E | Positive activation, rear right woofer | Radio Amplifier |
| | | |
| 3 | A | Negative activation, rear right woofer | Radio Amplifier |
| | | |
| 4 | E | Positive activation, front right medium-range speaker | Amplifier |
| | | |
| 5 | A | Negative activation, front right medium-range speaker | Amplifier |
| | | |
| 6 | | Not used | |
| | | |
| 7 | | Not used | |
| | | |
| 8 | E | Telephone AF+ | Connector NF+ |
| | | |
| 9 | A | Telephone AF- | Connector NF- |
| | | |
| 10 | E | Positive activation, rear right tweeter | Amplifier |
| | | |
| 11 | A | Negative activation, rear right tweeter | Amplifier |
| | | |
| 12 | | Not used | |
| | | |