Test Description: Notes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, 2003 Chevrolet TrailBlazer, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
The following test measures the A/C system under the following conditions:
- The current ambient air temperature
- The current ambient air humidity
- The high side pressure of the A/C system
- The low side pressure of the A/C system
- The temperature of the air being discharged into the passenger compartment
The numbers below refer to the step numbers on the diagnostic table.
- This step determines if the A/C system has at least the minimum refrigerant charge to operate the system without damage.
- This step measures the performance of the A/C system.
- This step is to allow for vehicle variations as well as high ambient temperatures.