Communication Diagnosis

WARNING: This page is about a different car, the 2016 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition ON.
Turn the audio system OFF.
While pressing the preset 6 button, turn the volume control dial clockwise or counterclockwise 30 clicks or more.

Fig 1: Pressing The Preset 6 Button, Turn The Volume Control Dial Clockwise Or Counterclockwise 30 clicks
Courtesy of NISSAN NORTH AMERICA, INC.
Initially, the communication diagnosis mode is displayed.

Fig 2: Display -- Communication Diagnosis Mode Screen
Courtesy of NISSAN NORTH AMERICA, INC.
To exit communication diagnosis, turn the ignition OFF.