This is the J431 wiring diagram that I have:
There are 2 Can Bus Wires at pin 2 and 3 which go to J533 and finally to J519. I cannot see any LIN bus wire though. Wires in Pins 16, 17, 18 and 19 go to the left headlight range control motor while wires in pins 15, 20, 21, 22 go to the right...