Operation CHARM: Car repair manuals for everyone.

Manual Control Heating, Ventilation and Air Conditioning System

Step 1 - 7:




Steps 8 - 14:




Steps 15 - 24:




Step 25 - 33:




Insufficient Cooling System Diagnosis

Test Description
The numbers below refer to steps on the diagnostic table.

13. See the 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.

32. See the important below.

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