Unit Check (Quick Check): Aircon
WARNING: This page is about a different car, the 2011 Honda CR-V and 2010 Honda CR-V. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic tests the climate bus connection (AC-SI and AC-SO) between the audio-navigation unit and climate control unit. Make sure the engine is running for this test.
Courtesy of AMERICAN HONDA MOTOR CO., INC.