X431 Pin Number |
X431 Pin Name |
Direction | OBD Pin Number |
OBD Pin Name |
Description |
---|---|---|---|---|---|
1 | 12 volts | to | 16 | 12volts | voltage supply |
2 | CAN B+ | to | 2 | CAN B+ | J1850 + line |
3 | CAN B- | to | 10 | CAN B- | J1850 - line |
5 | diag control | to | 1 | diag control | very important |
7 | K | to | 7 | MPI, | ecu, ISO9141 K-line |
8 | CAN + | to | 6 | CAN + | transmission ELC AT control |
9 | Vendor spec | to | 8 | ABS | |
10 | vendor spec | to | 12 | vendor spec | |
11 | vendor spec | to | 11 | AC | |
12 | Vendor spec | to | 13 | ASC cruise control | |
13 | SWS | to | 3 | ECS | suspension line ECS control |
14 | CAN Low | to | 15 | CAN Low | ISO 9141 L-line |
15 | ground | to | 4 and 5 | chassis/signal ground | ground |
Omitted pins are Not Connected.