Self-Diagnostic Mode

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.

NOTE: Radio must be off.

On the A/C and AV switch assembly, press the "SETTING" button and twist the volume knob clockwise and counterclockwise until the Self-Diagnosis screen shows on the display.
Scroll down to "Confirmation/Adjustment" and press the "ENTER" button.
Scroll down to "Climate Control" and press the "ENTER" button.
The fan bars will flash on the display during the self-test, and then the fault codes will display in the ambient temperature area. They will continue scrolling until diagnostic mode is exited.
Exit by pressing the "BACK" button on A/C and AV switch assembly until display returns to its normal operation screen. HVAC system will be OFF.

Fig 1: Turning Volume Knob
Courtesy of NISSAN NORTH AMERICA, INC.

The self-diagnostic system diagnoses sensors, CAN system, and battery voltage on A/C auto amp. Refer to applicable service information (items) for details. Fault codes (if any are present) will be displayed in the ambient temperature display area. Refer to "A/C SYSTEM SELF-DIAGNOSIS CODE CHART ".

Fig 2: Display - Self-Diagnostic System Diagnoses Sensors, CAN System And Battery Voltage On A/C Auto Amp.

Courtesy of NISSAN NORTH AMERICA, INC.