Vehicle Set-Up
WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
To ensure accurate pressure and temperature readings make sure the vehicle is properly charged with refrigerant to run the A/C system performance test. See RECOVERY, EVACUATION & RECHARGING in GENERAL SERVICING PROCEDURES article in GENERAL SERVICING. All test parameters must be followed to obtain accurate readings.