7A–12 HEATING AND VENTILATION SYSTEM
DAEWOO M-150 BL2
Improper Air Delivery or No Mode Shift (Cont’d)
Step
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Action
Value(s)
Yes
No
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8
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Repair the cable attachment or control as necessary.
Is the repair complete?
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–
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System OK
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Go to Step 9
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9
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Recheck the system using the “Control
Settings/Correct Results” tests in this procedure.
Is the repair complete?
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System OK
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Go to Step 10
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10
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Check for airflow from the defroster or the vent
outlets.
Is there high airflow from the defroster or the vent
outlets?
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–
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Go to Step 11
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Go to Step 12
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11
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Adjust the heater door at the floor and the vent door
to get the proper airflow.
Is the repair complete?
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System OK
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–
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12
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Switch the mode knob to defrost.
Is the defroster airflow OK?
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–
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Go to Step 13
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Go to Step 14
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13
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1. Remove the heater outlet.
2. Check the heater outlet for obstructions.
3. Remove any obstructions in the heater outlet.
Is the repair complete?
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System OK
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–
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14
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Check the blower speeds for change in the airflow.
Does the blower speed increase as the control is
turned from 1 to 4?
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–
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Go to Step 15
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Go to ‘‘Blower
Electrical’’
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15
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1. Check for obstructions in the system at the
blower inlet.
2. Remove any obstructions at the blower inlet.
Is the repair complete?
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–
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System OK
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Go to Step 16
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16
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1. Set the blower on 4.
2. Rotate the temperature control from full hot to full
cold.
3. Listen for an airflow change.
Did the airflow change?
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–
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ÁÁÁÁÁ
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Go to Step 17
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Go to Step 18
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17
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1. Check the temperature door adjustment, the
cables, the linkage, and the control.
2. Adjust the temperature control to full hot.
Is the repair complete?
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System OK
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–
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18
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1. Check the system for any obstruction between
the blower and the system outlets.
2. Remove any obstruction between the blower and
the system outlets.
Is the repair complete?
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–
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System OK
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–