How to Read 1991 Nissan Maxima Trouble Codes
- 1). Locate the open access port for the OBD plug to the left of the fuse panel cover in the driver's side footwell.
- 2). Plug the OBD scan tool plug into the open access port and turn on the scan tool.
- 3). Turn the ignition key to the "II" position.
- 4). Wait for the display on the OBD scan tool to read "OK," then turn off the ignition and unplug the scan tool.
- 5). Access the menu options on your scan tool and scroll to the "stored codes" section of the menu. This is where all of the codes you just retrieved will be stored. Reference your Maxima's service manual to translate the codes.
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