my ac only cools if im driving what is the problem on 2001 Nissan Pathfinder

will not cool when stopped

Asked by for the 2001 Nissan Pathfinder
2 answers
Is the blower working?
Electric condenser fan,, under hood,, working while stopped?? ...There is no 'ram' air sitting needs to help out!! If it doesn't the compressor will cut off until rolling again..... too much head pressure! Also have mehanical fan 'clutch' tested....