A/C System Performance Test - HVAC System - Automatic

TEST DESCRIPTION

Step-1:

Steps 2-4:

The number(s) below refer to the step number(s) on the diagnostic table.
1. This step determines if there is enough refrigerant in the A/C system to operate it without damage.
2. This step measures the performance of the A/C system.
3. This step is to allow for vehicle variations as well as high ambient temperatures.