Pinout of the OBD2 to DB9 Cable

The Standard Display Cable may be connected to the optional DB9 to OBD2 Cable for direct connection to the Diagnostics CAN bus and power in a vehicle. The pinout of that cable is as follows:

Female 9-pin Standard D-Type Connector

DB9	Pin Function
Pin 2	CAN L
Pin 3	Ground
Pin 5	Ground
Pin 7	CAN H
Pin 9	Power Supply 10-32V

Standard OBD2 connector

OBD2	Pin Function
Pin 4	Ground
Pin 5	Ground
Pin 6	CAN H
Pin 14	CAN L
Pin 16	Battery Power

Note:

• Pins not mentioned in the description table(s) are NC.