Compressor HVAC: Testing and Inspection

Test Description
The numbers below refer to steps on the diagnostic table.
13. See the first Important below.
32. See the second important below.

IMPORTANT: Perform this test under garage conditions with the air temperature at 21 - 32 °C (70 - 90 °F), and no sun load. Follow this test carefully for accurate results.

IMPORTANT: Perform this test exactly as described to obtain accurate results.

Steps 1 Thru 7:

Steps 8 Thru 14:

Steps 15 Thru 24:

Steps 25 Thru 33:

Insufficient Cooling Diagnosis