| Pin Number |
Pin Name |
Description (may be empty) |
| A | GND | Chassis Ground |
| B | L-Line | Engine diagnostic, ABS (8KBaud Serial Data, not always present) |
| C | AIR | may be n/a |
| D | SES-LAMP | Self-diagnostic lamp (may be not available) |
| E | K-Line | K diagnostic line (160-Baud Serial Data) |
| F | TCC | may be not available or +12V |
| G | fuel pump control (may be n/a) | |
| J | K-Line | Airbag diagnostic (8KBaud Serial Data) |
| M | K-Line | Engine, ABS diagnostic |