A/C and AV switch assembly self-diagnosis function

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Description

The ON/OFF operation (continuity) of each switch in the A/C and AV switch assembly can be checked.

Self-diagnosis mode

Press the "BACK" button and the "UP" button within 10 seconds after turning the ignition switch from OFF to ACC and hold them for 3 seconds or more. When the self-diagnosis mode starts, a beep will sound and all LED indicators of the switch will illuminate.
The continuity of each switch and control dial of the A/C and AV switch assembly can be checked. If the switch is operating normally, the system will beep and the LED's will illuminate when each switch is operated.

Fig 1: Locating BACK And UP Button Of A/C And AV Switch Assembly
Courtesy of NISSAN NORTH AMERICA, INC.

Finishing self-diagnosis mode

Self-diagnosis mode is canceled when the ignition switch is turned OFF.