Hey all! I've lurked the forum a lot as it's been a good resource for me to figure out how to fix things and diagnose things, so I hope I can contribute a little as well down the road.
I have a 1999 GTP, with about 140k km, being an older car there definitely will be some problems to diagnose, which leads to my first problem...
The OBD2 port doesn't make a connection to the ECU/PCM, BUT it does have power. This was tested with a borrowed wired scan tool as well as my own ebay bluetooth scan tool (which I confirmed worked on 3 different vehicles flawlessly).
Running through possible causes, I've looked at fuses for cigarette lighter they aren't blown, I've also replaced fuses for the cigarette lighter/aux as well. Pulling the fuse for cigarette lighter/aux supplies no power to the OBD2 port as you'd expect.
I'm a bit stumped about how to start looking in to this, and what to do next? Some googling has told me that it *may* have a link to a lack of information on the DIC as well, which is further linked to an aftermarket radio being connected which means the DIC doesn't get fed any information? (my DIC has been off since I bought the car, owner said he had it unplugged but it is plugged in as the buttons light and traction button works, maybe just not the "information" part of the DIC?)
I assume the PCM does work because the car is running and driving, but somewhere it's not making a connection to the OBD2? And I'm not sure how to get that working. I hope it's not too much for a newbie to get involved with, so I appreciate any help as to what to do next. (I've tried to take pictures of everything like the inside fuse box, wiring harness, etc, so if that would help I can definitely share them). Thanks folks!
