Diagnostic procedure
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
NO. 1 INSUFFICIENT AIR (OR NO AIR) BLOWN FROM VENTS DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT AIRFLOW MODE ACTUATOR
|
Yes | Go to next step |
| No | Repair or replace malfunctioning part in accordance with further inspection result. (See AIRFLOW MODE ACTUATOR INSPECTION .) | ||
| 2 | INSPECT TO SEE WHETHER MALFUNCTION IS IN VENT MODE OR OTHER MODES
|
Yes | Go to Step 5. |
| No | Go to next step. | ||
| 3 | INSPECT VENT
|
Yes | Remove obstruction, then go to Step 9. |
| No | Go to next step. | ||
| 4 | VERIFY THAT DUCT IN DASHBOARD IS INSTALLED
|
Yes | Inspect duct for clogging, deformity and air leakage, then go to Step 8. |
| No | Install duct securely in the proper position, then go to Step 9. | ||
| 5 | INSPECT TO SEE WHETHER MALFUNCTION IS IN HEAT MODE OR DEFROSTER MODE
|
Yes | Go to next step. |
| No | Inspect vent for clogging, then go to Step 9. | ||
| 6 | INSPECT DEFROSTER MODE
|
Yes | Operation is okay. Recheck malfunction symptoms. |
| No | Go to next step. | ||
| 7 | INSPECT VENT
|
Yes | Remove obstruction, then go to Step 9. |
| No | Go to next step. | ||
| 8 | VERIFY THAT DEFROSTER DUCT IS INSTALLED
|
Yes | Inspect duct for clogging, deformity, and air leakage, then go to next step. |
| No | Install duct securely in proper position, then go to next step. | ||
| 9 | CONFIRM THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR
|
Yes | Troubleshooting completed. Explain repairs to customer. |
| No | Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs. | ||