NO.1 INSUFFICIENT AIR (OR NO AIR) BLOWN FROM VENTS [FULL-AUTO AIR CONDITIONER]
id0703c1800400
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1
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Insufficient air (or no air) blown from vents
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DESCRIPTION
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• Problem with each vent and/or duct.
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POSSIBLE CAUSE
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• Malfunction in VENT mode system (Steps 1—3)
• Malfunction in HEAT mode system (Step 4)
• Malfunction in DEFROSTER mode system (Steps 5—7)
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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INSPECT TO SEE WHETHER MALFUNCTION IS IN VENT MODE OR OTHER MODES
• Does air blow out when in the VENT mode?
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Yes
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Go to Step 4.
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No
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Go to the next step.
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2
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INSPECT VENT
• Is the vent clogged?
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Yes
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Remove obstruction, then go to Step 8.
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No
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Go to the next step.
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3
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VERIFY THAT DUCT IN DASHBOARD IS INSTALLED
• Is the duct in the dashboard properly installed?
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Yes
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Inspect the duct for clogging, deformation and air leakage, then go to Step 8.
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No
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Install the duct securely in the proper position, then go to Step 8.
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4
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INSPECT TO SEE WHETHER MALFUNCTION IS IN HEAT MODE OR DEFROSTER MODE
• Does air blow out when in the HEAT mode?
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Yes
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Go to the next step.
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No
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Inspect the vent for clogging, then go to Step 8.
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5
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INSPECT DEFROSTER MODE
• Does air blow out when in the DEFROSTER mode?
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Yes
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Operation is normal. Recheck malfunction symptoms.
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No
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Go to the next step.
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6
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INSPECT VENT
• Is the vent clogged?
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Yes
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Remove obstruction, then go to Step 8.
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No
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Go to the next step.
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7
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VERIFY THAT DEFROSTER DUCT IS INSTALLED
• Is the defroster duct properly installed?
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Yes
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Inspect the duct for clogging, deformation, and air leakage, then go to the next step.
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No
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Install the duct securely in proper position, then go to the next step.
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8
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CONFIRM THAT MALFUNCTION SYMPTOM DOES NOT RECUR AFTER REPAIR
• Does air blow out?
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Yes
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Troubleshooting completed.
Explain repairs to customer.
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No
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Recheck malfunction symptoms, then repeat from Step 1 if the malfunction recurs.
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