SsangYong Rexton. Service manual - part 622

SSANGYONG Y200

7A-8 HEATING AND VENTILATION SYSTEM

1. Set the temperature switch to full hot.
2. Start the vehicle.

3. Check the temperature of the heater inlet and outlet hose by feel.
Is the heater inlet hose hot and the heater outlet hose warm?

Inspection the heater inlet and outlet hose for proper installation.

Are the heater inlet and outlet hose reserved?
1. Back flush the heater core.

2. Drain the cooling system.
3. Replace the coolant.

4. Warm the engine to an average operating temperature.

5. Feel the heater inlet and outlet hose.
Is the heater inlet hose hot and outlet hose warm?

Check the system for any obstruction between blower, heater case and
airflow delivery outlet and then repair or replace as required.
Is the repair complete?

1. Repair the temperature door travel, cables and linkage as required.

2. Verify the accuracy of the temperature control at full hot and full

cold, and then repair as required.

Is the repair complete?

Check thermostat and then repair or replace as required.
Is the repair complete?

Reinstall heater hose properly.

Is the replace complete?
Replace heater core.

Is the replace complete?

Insufficient Heating or Defrosting (Cont'd)

Step

Action

Yes

System OK

Go to Step 23

Go to Step 18

Go to Step 22

Go to Step 17

Go to Step 21

HEATING AND VENTILATION SYSTEM 7A-9

SSANGYONG Y200

1. Disconnect the power connector from the blower motor.
2. Check the resistance between the 2 terminal of the blower motor

connector and each step with the blower switch place each position.

Is the resistance within the specified value?
Replace the blower motor.

Is the repair complete?

Check the fuse SB7 (30A) in the engine compartment fuse block.
Is the fuse blown?

Replace the fuse.
Is the repair complete?

1. Turn the ignition ON.

2. Use the short detector to locate the following possible short:

From the fuse SB7 (30A) in engine compartment fuse block to the
blower motor.

From the blower motor to the blower resister block.
From the blower resister block to the blower speed switch.

Is there any short in the above positions?

Repair any short.
Is the repair complete?

1. Disconnect the power connector from the blower motor.
2. Use the test lamp to locate a possible short between the terminal 1

of the blower switch connectors and the terminals 6, 3, 5, 4 of the
blower switch connectors sequentially.

Does the test lamp light on at any terminal?

Replace the A/C controller switch.
Is the repair complete?

Replace the blower resistor.
Is the repair complete?

Check the ground of the blower motor and then repair as needed.

Is the repair complete?

BLOWER ELECTRICAL

Step

Action

Yes

System OK

Go to Step 10

System OK

Go to Step 8

Go to Step 9

System OK

Go to Step 6

Go to Step 7

System OK

Go to Step 4

Go to Step 5

System OK

Go to Step 2

Go to Step 3

SSANGYONG Y200

7A-10 HEATING AND VENTILATION SYSTEM

Yes

Check the range of the door travel and the effort required to
move it.

Connect and attach the cable properly.

Check the operation of the temperature control switch.

If required, repair.

Recheck the system using “Control setting/Correct Results”
test.

Repair or replace the temperature control switch or the cable.

System OK

Check the airflow from the defroster or the vent outlets.

System OK

Switch the mode knob to defrost.

Remove the heater outlet and then remove any obstructions
in the heater outlet.

Check the blower speed for change in the airflow as the
control is turned 1 to 4.

Repair or replace any obstructions at heater and air delivery
case.

Go to “Blower Electrical”

System OK

Set the blower switch to 4th.

Rotate the temperature control from full cold to full hot.

Listen to an airflow change.

Repair or replace any obstruction between the blower and the
system outlets.

Check and repair the door adjustments, the cables, the
linkage and the control.

Action

Check

IMPROPER AIR DELIVERY OR NO MODE SHIFT

Check
connection
and the
attachment
of the door
cable

This procedure provides a test of all functions of the
heater/defroster unit.

1. Warm the vehicle and keep the engine running.

2. Perform the following diagnostic procedure.

Is the heavy airflow?

Is the airflow proper?

Is the cable connected
and retained properly?

Does the door operate
properly?

Is there a problem with
the temperature control
switch or wiring?

Is the system OK after
the repair complete?

Does the blower motor
speed increase?

Is the system OK after
the repair complete?

Does the airflow change?

HEATING AND VENTILATION SYSTEM 7A-11

SSANGYONG Y200

Can you hear the sound
of the temperature door
slam?

Set the temperature control switch to defrost position.

Set the mode switch to the vent position.

Set the blower speed to 4th.

Set the temperature control switch to full hot.

Turn the ignition “ON”.

Check the airflow and attachment at the foolr outlet.

Check the door travel, the cables, the controls and the
linkage for the defrost position and then repair or replace as
needed.

Check the door travel, the cables, the controls and the
linkage for the full hot, full cold position and then adjust as
needed.

Check for a change in the airflow at different blower speed.

Check the change.

System OK

Go to “Blower Electrical”

Turn the ignition “OFF”.

Turn the temperature control knob to full hot, then rapidly to
full cold.

Check the system case for leaks and check the floor outlet
attachment.

Adjust the vent door to vent mode.

Check the door travel, the cables, the controls and the
linkage for the full hot, full cold position and then adjust as
needed.

Yes

Action

Check

Is there too much heat
when the mode switch is
in the floor position?

TOO MUCH HEAT

Mode
switch to
the floor
position

Is the airflow proper?

Is the heavy airflow?

Does the airflow change?

Is the airflow proper?

Content .. 620 621 622 623 ..