Defrosting Insufficient
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Were you sent here from Symptoms or another diagnostic table? | Go to Step 2 | Go to Symptoms - HVAC Systems - Automatic |
| 2 |
|
Go to Step 3 | Go to Step 10 |
| 3 | Measure the engine operating temperature. Does engine reach a normal operating temperature? |
Go to Step 4 | Go to Step 8 |
| 4 |
WARNING:
Refer to Moving Parts and Hot Surfaces Warning . |
Go to Step 11 | Go to Step 5 |
| 5 | Test the operation of the air conditioning compressor clutch. Does the air conditioning compressor clutch engage? |
Go to Step 7 | Go to Step 6 |
| 6 | Repair the air conditioning compressor clutch. Air Conditioning Compressor Malfunction
for the automatic system. Is the repair complete? |
Go to Step 14 | - |
| 7 | Perform the air conditioning system performance test. Air Conditioning (A/C) System Performance Test Is the air conditioning system operating within the specifications? |
Go to Step 9 | Go to Step 12 |
| 8 | Repair the low engine temperature concern. Engine Fails To Reach Normal Operating Temperature Is the repair complete? |
Go to Step 14 | - |
| 9 | Inspect for correct operation of the recirculation door. Is the recirculation door operating correctly? |
Go to Step 14 | Go to Step 13 |
| 10 | Repair the air delivery concern. Diagnostic Starting Point - Vehicle Is the repair complete? |
Go to Step 14 | - |
| 11 | Repair the heating concern. Heating Performance Diagnostic Is the repair complete? |
Go to Step 14 | - |
| 12 | Repair the air conditioning performance concern. Air Conditioning (A/C) System Performance Test Is the repair complete? |
Go to Step 14 | - |
| 13 | Repair the recirculation door concern. Diagnostic Starting Point - Vehicle Is the repair complete? |
Go to Step 14 | - |
| 14 | Operate the system in order to verify the repair. Did you find and correct the condition? |
System OK | Go to Step 2 |