L8: Check For Short CAN+ to Ground

At the J1962 connector measure the resistance between pin 6 and ground Repeat for J1962 connector pin 14 and ground

- Is the resistance > 2.5 and < 4.0 K ohms?
Yes
Good
GO to L9 L9: End
No
Bad
< 2.5 K ohms check for a short to ground
No
Bad
> 4.0 ohms check for a open circuit