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Help with setup/wiring OBD2


SimonSTI

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Currently trying to setup this on my ECU.

Using Can 1, which is already connected to my AEM Uego lambda gauge and working. I've setup it to 500kbit. I have the bus end resistor near the Uego gauge and the OBD2 connector is in the middle of the bus.

OBD2 reader is OBDLink MX+, which support the ISO 15765 at 500kbit.

The reader can't seem to connect to the ECU. I've tried reducing speed to 250 without any success. The reader seems to be able to detect the protocol used, but then look for vehicle identification and return an error after that.

Did all the tests with the car not running but key on.

Any ideas on how diagnose this further and find what is going on?

Attaching a pictures in case someone see something (yellow is can high and blue is can low)

 

image.png

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