Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › No A/C Low Pressure Port | Altima 2005 › Reply To: No A/C Low Pressure Port | Altima 2005 April 27, 2022 at 9:45 am #994372 Dave TidmanParticipant Here is the FSM section for the 2005 Altima, The refrigerant line diagram shows both a high and low side service port. see if this helps: https://www.nicoclub.com/service-manual?fsm=Altima%2F2005%2FATC.pdf