| Pin | | Description | B: Socket housing S: Pin housing |
|---|
| 1 | | Terminal 30 | B: Telephone |
| | | S: Fuse F70 |
| 2 | | Terminal R | B: EJECT box telephone |
| | | S: Unloader relay terminal R |
| 3 | | Speedometer (A) output signal | B: EJECT box telephone |
| | | S: Instrument cluster S: Integrated electronic control unit (IKE) |
| 4 | | I-bus signal line | B: EJECT box telephone |
| | | S: Instrument cluster S: Integrated electronic control unit (IKE) |
| 5 | | Signal line, night lights | B: EJECT box telephone |
| | | S: Light module |
| 6 | | Not used | |
| | | |
| 7 | | B- (terminal 31) | B: EJECT box telephone |
| | | S: Ground connection |
| 8 | | Telephone mute signal | B: Telephone |
| | | S: Radio |
| 9 | | Positive activation, front loudspeaker | B: Telephone |
| | | S: Front loudspeaker |
| 10 | | Negative activation, front loudspeaker | B: Telephone |
| | | S: Front loudspeaker |
| 11 | | Telephone ON signal | B: Amplifier |
| | | S: EJECT box telephone |
| 12 | | Not used | |
| | | |