Description
SparkFun CAB-10087 OBDII to DB9 Cable
Once you’ve hacked everything, why not go out in the garage and hack your car? This cable allows you to access the pins on your car’s OBDII connector. It has an OBDII connector on one end and a DB9 female serial connector on the other. The overall length of the cable is 5'.
Note: This cable is not meant to be plugged directly into a computer’s serial port. It is meant to plug into some sort of hardware interface.
Here is the basic pinout (OBDII > DB9 Female)
| Pin Description | OBDII | DB9 |
| J1850 BUS+ | 2 | 7 |
| Chassis Ground | 4 | 2 |
| Signal Ground | 5 | 1 |
| CAN High J-2284 | 6 | 3 |
| ISO 9141-2 K Line | 7 | 4 |
| J1850 BUS- | 10 | 6 |
| CAN Low J-2284 | 14 | 5 |
| ISO 9141-2 L Line | 15 | 8 |
| Battery Power | 16 | 9 |
Documents:
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