What would cause a OBD port not to work?
The most common cause of an OBD scanner that won’t turn on is a blown fuse on the vehicle’s OBD socket power supply circuit. If the check engine light fails to aluminate, you can be sure the fuse has blown. Checking the vehicle’s fuse box and replacing the blown fuse fixes the issue.
Why is my OBD2 port not communicating?
Check your fuses. If you aren’t getting power at the port (easy to test with your multimeter), the fuse is likely the issue. If you ARE getting power, then options are: Break in the harness between the OBD2 connector and the ECU.
What is an Obdii port?
The On-Board Diagnostics II (OBD-II) port is used to access the vehicle’s computer for various tasks, such as emissions tests and diagnostics. The OBD-II port is where the Hum System is installed so that the network can communicate with the vehicle directly.
Is the Nissan OBD II diagnostic interface pinout correct?
According to 3 reports in our database ( 2 positive and 1 negative) the Nissan OBD II diagnostic interface pinout should be correct. If you did publish instruction for Do-It-Yourself device with this pinout, share the link with us.
Where is the OBD2 port on a scanner?
The OBD2 port should sits underneath the fusebox, the sides runs diagonally, and it has 16 pins. If the OBD2 is truly unreadable by any scanner then it is probably missing either power or ground to that port.
Why is the OBD-ll port not powered?
Its not a fuse, or anything wrong with the OBD-ll port, its the reader that you are using is not being powered up by the port. There are some readers, both bluetooth and wireless that don’t work with our ports. Try a different one. Re: OBD-2 port not powered; is there a blown fuse?
Where is the OBD2 port on a Nissan Altima SE?
The OBD2 port should sits underneath the fusebox, the sides runs diagonally, and it has 16 pins. If the OBD2 is truly unreadable by any scanner then it is probably missing either power or ground to that port. ’94 Nissan Altima SE, 5spd. HUD & ATC retrofitted, DEPO lamps, NGK Ignition wires.