| Pin Number |
Pin Name |
Description (may be empty) |
| A1,A2 | +12V | Accumulator |
| A3 | GND | Ground |
| B1 | GND | for engine sensor |
| B2 | shield | for engine sensor |
| B3 | engine sensor power or rotation sense | |
| C1 | K-line | engine control module diagnostic |
| C2 | L-line | engine control module diagnostic |
| C3 | Slow codes | |
| D1 | GMV1 test | |
| D2 | GMV2 test | |
| D3 | rotation speed sense relay | |
| E1 | K-Line | ABS/ASR diagnostic |
| E2 | K-Line | clearance adjustment diagnostic |
| E3 | K-Line | steering wheel module diagnostic |
| F1 | K-Line | heater and air conditioner diagnostic |
| F2 | K-Line | seat adjustment diagnostic |
| F3 | K-Line | airbag module diagnostic |
| G1 | K-Line | Gearbox module diagnostic |
| G2 | K-Line | Back axle module diagnostic |
| G3 | K-Line | Differential gear diagnostic |
| H1 | K-Line | Cruise-control diagnostic |
| H2 | K-Line | Trip computer diagnostic |
| H3 | K-Line | door lock diagnostic |
| I1 | K-Line | Rear-view mirror diagnostic |
| I2 | K-Line | Antitheft alarm diagnostic |
| I3 | K-Line | Immobilizer diagnostic |

