Hey guys, bit of a pickle here. I have a 2001 Nissan Sunny (B15) with an Sr20Ve engine with 5 speed manual transmission. A couple days ago I noticed that my second cam lobes were not activating, usually at 5,000rpm, you feel and hear the difference in the engine. I tried scanning the car with a cheap bluetooth scanner using the torque app, no communication with ECU, took it to a local mechanic who has some other scanners and he wasn't able to as well. Can the 2 be connected, the car use to be able to scan no problem before, so it's a new issue.

I followed some of Scotty's advice, i checked all the fuses, all were ok, I checked with a multimeter pins 16, 4 and 5 on the OBD port and got 12v across those, checked the ground to the body of the car and that's good as well. Could it be a wire somewhere? if so how do I narrow it down or can it be my ECU going or gone bad, the car still starts and runs fine (besides not getting the performance of the second cam) I also checked to see if the check engine light is working when I turn on the ignition and yes it is lighting.