Just purchased a 2011 Infiniti G37x AWD with 88k miles. It’s starting to have intermittent start issues. ( I press the start button while holding the brakes, car lights up as usual, no error codes, but wont start) no noise from engine bay, just the normal beeps.

What I’ve done/ checked:
It has a new battery, I cleaned the battery terminals, I put in a new key fob battery, I checked and cleaned the brake switch also.
No error codes on OBD2 or engine lights.

The IPDM didn’t seem to have any issues upon taking it out and inspecting it visually.

 

Checked the BCM board, looks pristine inside and out, all connectors look good, cleaned the ground terminal that was directly under it since it had a little corrosion, cleaned the power cable end the the starter, I have the battery on a tester/charger.

if all this fails I’m gonna try tapping the starter solenoid while the tires off and run to try to start it while I have the access to it

 

I jumped the pin 80 wire to the starter and the car crunk up fine,