It is on the left hand side of the engine compartment close to the firewall. It has a black screw cap on it and two "ribbed" rings on the connector. The low pressure connector is wider than the high pressure, which you will find on the cylindrical dryer on top. You have to reach your hand behind the engine cover on top to access the low pressure area. Make sure you are putting the adapter all the way on. It will lock properly when it slides over the second "ring". Once the a/c unit has turned on for a few minutes, you will note that area is the coldest area, if not freezing with ice or frost. That is the low pressure side.
The OBD port is under the dash on the driver side.
it is in the center of the drivers foot well right under the dash
find the high pressure port on top of a metallic condensor high in the engine compartment on the passenger side behind the engine - look behind and below against the firewall - you'll see another port - that's it
The air conditioning port can be found on the top and the bottom of the air conditioning compressor. There are two air conditioning ports.
if looking at engine from front, locate highside (black cap) port and go couple inches to the right and way back under (or close to) the fire wall. Very hard to get a charging hose in there.
By the fuel pump
Mine does not, however, I do not have the optional CD/DVD changer on mine. I know that they have RCA jacks off the front.
It is under the dash on the driver side.
There is no test port.
Air conditioning charging port cover is just like a tire valve stem cover, it unscrews. In fact the charging port looks just like a large tire valve.
The 2004 Civic low pressure air conditioning service port can be found on top of the air conditioner compressor. The low pressure port should be labeled as such.
where is the Low pressure ac port 2004 jaguar s type?Read more: Low_pressure_ac_port_2004_jaguar_s_type