A/C System Self-diagnosis Function: Description
WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
The self-diagnostic system diagnoses sensors, door motors, blower motor, etc. by system line. Refer to applicable items for details. To shift from usual control to the self-diagnostic system refer to "FUNCTION CONFIRMATION PROCEDURE ".