SsangYong Rexton. Manual — part 621
SSANGYONG Y200
7A-4 HEATING AND VENTILATION SYSTEM
2
YAD7A020
AIR DELIVERY AND FUNCTION
Mode Door Motor
Installation Location
It’s located at the left side of heater case.
Function
It controls the open/close of the outlet at Vent, Foot or
Def by the control command of automatic temperature
control and then can set up the outlet mode of Vent,
Bi-level, Foot, Foot/Def or Def.
Intake Door Motor
Installation Location
It’s located at the upper and right side of blower
housing.
Function
It operates ambient/intake door motor by the control
command of automatic temperature control to set up
the inlet mode of ambient/intake door.
Air Mix Door Motor
Installation Location
It’s located at the lower side of heater housing
Function
It controls the open/close of damper by the control
command of automatic temperature control to adjust
the temperature of outlet air.
Airflow Through Vents
HEATING AND VENTILATION SYSTEM 7A-5
SSANGYONG Y200
CENTER VENT (1)
SIDE VENT (2)
FOOT (3)
DEFROSTER (4)
SIDE DEF (5)
VENT* (6)
FOOT (7)
Front
A
A
–
–
–
B
–
MODE
Rear
INTAKE Door
AIR MIX Door
VENT
B
B
C
–
–
C
C
BI-LEVEL
–
B
B
D
D
–
B
FOOT
–
B
C
C
D
–
D
FOOT/DEF
–
B
–
B
C
–
–
DEF
REC
–
–
–
–
–
–
–
(A)
–
Recirculation Switch
FRE
–
–
–
–
–
–
–
(B)
–
–
–
–
–
–
–
–
–
Tempera-
ture
Control
Lever
A
B
C
YAD7A030
SSANGYONG Y200
7A-6 HEATING AND VENTILATION SYSTEM
SCHEMATIC & ROUTING DIAGRAM
YAD7A040
BLOWER MOTOR DIAGRAM
HEATING AND VENTILATION SYSTEM 7A-7
SSANGYONG Y200
DIAGNOSTIC INFORMATION AND PROCEDURES
INSUFFICIENT HEATING OR DEFROSTING
Check the coolant level, the serpentine accessory drive belt for tension
or damage, coolant hoses for leaks or kinks, coolant reservoir cap.
Is the repair complete?
1. Set the temperature control switch to full hot.
2. Set the blower motor switch on 4.
3. Turn the ignition ON.
4. Check for the airflow from the vent outlet.
Is there a heavy airflow from the vent outlet?
Recheck the Heater system and then repair as needed.
Does the system operate properly?
Check for change in the airflow at various blower speeds.
Does the blower speed increase as the switch is turned from 1 to 4?
With the engine idle, remove the coolant reservoir cap and watch the
flow of the coolant.
Is the coolant flow visible?
1. Check for a restriction in the cooling system, failed water pump
impeller, faulty thermostat.
2. Make repairs to the cooling system, as needed.
Is the repairs complete?
Check the airflow from the Defrost and vent outlets.
Is there a heavy airflow from there?
1. Check the vehicle for cold air leaks at the Instrument panel, Heater
case and Vents.
2. Repair and replace any leaks or obstructions.
Are the repairs complete?
Set all the selection switches to Defrost.
Is there a heavy airflow from any step?
Check the vent outlets and repair as needed.
Is the repair complete?
Check for change in the airflow at various blower speeds and then
repair as needed.
Is the repair complete?
Check for obstructions in the system at the blower inlet and repair as
needed.
Is the repair complete?
1. Set the blower motor switch on 4.
2. Slide the temperature control knob from full hot to full cold.
3. Listen for an airflow change.
Does the airflow change?
1. Repair the temperature door travel, cables and linkage as required.
2. Verify the accuracy of the temperature controls at full hot.
Is the repair complete?
1. Turn the ignition “LOCK”.
2. Turn the temperature control knob to full cold, then rapidly to full hot.
3. Listen for the sound of the temperature door slam.
Did the door slam?
Step
Action
Yes
No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Go to Step 16
Go to Step 20
System OK
-
Go to Step 14
Go to Step 19
System OK
Go to Step 13
Go to Step 12
Go to “Blower
Electrical”
System OK
-
Go to Step 10
Go to Step 11
System OK
Go to Step 15
System OK
Go to Step 9
System OK
-
Go to Step 6
Go to Step 8
Go to Step 5
Go to “Blower
Electrical”
System OK
Go to Step 7
Go to Step 4
Go to Step 3
System OK
Go to Step 2
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