Where is the low pressure port of sienna Toyota 2002?

The low-pressure port for the air conditioning system on a 2002 Toyota Sienna is located on the passenger side of the engine compartment. It's typically found near the firewall, on the larger diameter aluminum line connected to the A/C compressor. The port is usually capped with a plastic cover and is identifiable by its smaller size compared to the high-pressure port. Always ensure the engine is off before attempting to service the A/C system.