Daewoo MATIZ Service Manual page 762

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