| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | | Engine speed signal (TD) | B: TD signal splice |
| | | |
| 2 | | Not used | |
| | | |
| 3 | | up to 1995_08 Not used as of 1995_09 Secondary air injection pump | B: Secondary air injection pump splice |
| | | |
| 4 | | Terminal R | B: Fuse F40 |
| | | |
| 5 | | Not used | |
| | | |
| 6 | | Not used | |
| | | |
| 7 | | Service reminder indicator | B: Integrated instrument cluster control module (IKE) |
| | | |
| 8 | | Not used | |
| | | |
| 9 | | Not used | |
| | | |
| 10 | | Not used | |
| | | |
| 11 | | up to 1995_08 Start signal terminal 50 as of 1995_09 Not used | B: Terminal 50 splice |
| | | |
| 12 | | Generator D+ (terminal 61) signal | B: Splice D+ |
| | | |
| 13 | | up to 1995_08 Not used as of 1995_09 Speed signal | B: Speed signal splice |
| | | |
| 14 | | Terminal 30 | B: Fuse F109 |
| | | |
| 15 | | Diagnosis signal RXD | B: Splice RXD |
| | | |
| 16 | | Terminal 15 | B: Fuse F22 |
| | | |
| 17 | | Not used | |
| | | |
| 18 | | Programming voltage signal | B: Engine control module (DME) |
| | | |
| 19 | | B- (terminal 31) | B: Ground connection |
| | | |
| 20 | | Description | B: Socket housing |
| | | |
| 21 | | Description | B: Socket housing |
| | | |
| 22 | | Description | B: Socket housing |
| | | |