Air Conditioning Cut Control
WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
When the engine condition is high load, ECM transmit A/C relay OFF request to IPDM E/R, and stops the compressor. Refer to , "AIR CONDITIONING CUT CONTROL : SYSTEM DESCRIPTION ".