NO.1 INSUFFICIENT AIR (OR NO AIR) BLOWN FROM FRONT VENTS
id070300801300
|
1
|
Insufficient air (or no air) blown from front vents
|
|
DESCRIPTION
|
• Problem with each vent and/or duct
• Front airflow mode does not change when switching front mode switch.
|
|
POSSIBLE CAUSE
|
• Malfunction in front airflow mode actuator
• Malfunction in front VENT mode system
• Malfunction in front HEAT mode system
• Malfunction in front DEFROSTER mode system
|
Diagnostic procedure
|
STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
INSPECT FRONT AIRFLOW MODE ACTUATOR
• Is it okay?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace malfunctioning part in accordance with inspection result.
|
||
|
2
|
INSPECT TO SEE WHETHER MALFUNCTION IS IN FRONT VENT MODE OR OTHER MODES
• Does air blow out when in the front VENT mode?
|
Yes
|
Go to Step 5.
|
|
No
|
Go to the next step.
|
||
|
3
|
INSPECT FRONT VENT
• Is the front vent clogged?
|
Yes
|
Remove obstruction, then go to Step 9.
|
|
No
|
Go to the next step.
|
||
|
4
|
VERIFY THAT DUCT IN DASHBOARD IS INSTALLED
• Is the duct in the dashboard properly installed?
|
Yes
|
Inspect the duct for clogging, deformation and air leakage, then go to Step 9.
|
|
No
|
Install the duct securely in the proper position, then go to Step 9.
|
||
|
5
|
INSPECT TO SEE WHETHER MALFUNCTION IS IN FRONT HEAT MODE OR FRONT DEFROSTER MODE
• Does air blow out when in the front HEAT mode?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the vent for clogging, then go to Step 9.
|
||
|
6
|
INSPECT FRONT DEFROSTER MODE
• Does air blow out when in the front DEFROSTER mode?
|
Yes
|
Operation is normal. Recheck malfunction symptoms.
|
|
No
|
Go to the next step.
|
||
|
7
|
INSPECT FRONT VENT
• Is the vent clogged?
|
Yes
|
Remove obstruction, then go to Step 9.
|
|
No
|
Go to the next step.
|
||
|
8
|
VERIFY THAT DEFROSTER DUCT IS INSTALLED
• Is the defroster duct properly installed?
|
Yes
|
Inspect the duct for clogging, deformation, and air leakage, then go to the next step.
|
|
No
|
Install the duct securely in proper position, then go to the next step.
|
||
|
9
|
VERIFY REPAIR
• Does air blow out?
|
Yes
|
Troubleshooting completed.
Explain repairs to customer.
|
|
No
|
Recheck malfunction symptoms, then repeat from Step 1 if the malfunction recurs.
|
||