Important: Review the system operation in order to learn the system functions. Refer to
the following procedures:
| • | The following conditions may cause window fogging: |
| - | A blocked A/C evaporator drain tube |
| - | Maximum passenger capacity |
| - | Blocked body pressure relief valves |
| • | Inspect the air distribution system for causes of reduced airflow: |
| • | An obstructed air filter or a dirty air filter in the passenger compartment,
if equipped |
| • | Blocked or damaged air inlet or outlet vents |
Visual/Physical Inspection
| • | Inspect the system components which are easily accessible or visible
for obvious damage or for conditions which can cause the symptom. |
| • | Verify the A/C compressor clutch turns freely and is not seized. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.
Refer to
Testing for Intermittent Conditions and Poor Connections
in Wiring Systems.
Symptom List
Refer to the following symptom diagnostic procedures:
