Low Temperature Protection Control

When intake sensor detects that evaporator fin temperature is - 5°C (23°F) or less, A/C auto amp. requests ECM to turn compressor OFF, and stops the compressor.
When the evaporator fin temperature returns to 1°C (34°F) or more, the compressor is activated.

Fig 1: Low Temperature Protection Control Function Graph
Courtesy of NISSAN NORTH AMERICA, INC.