SSANGYONG Y200 Manual page 1610

7D-24 AUTOMATIC CONTROL HVAC SYSTEM
COMPRESSOR MAGNETIC CLUTCH DOES NOT ENGAGE
Step
1. Remove the controller with connecting the connector.
2. Turn the ignition switch to ON.
3. Set the A/C switch to ON.
1
4. Measure the voltage between the controller connector A12 (or all for
GSL) and the ground.
Is the voltage within the specified value?
Replace the defective motor.
2
Is the repair complete?
INSIDE AIR TEMPERATURE SENSOR ERROR
Step
1. Put the smoke of the cigarette near the air inlet and verify that the
smoke come into the air inlet properly.
2. Remove the controller with connecting the connector.
1 3. Turn the ignition switch to ON.
4. Measure the voltage between the connector terminals of the inside
air sensor.
Does the measured voltage indicate 2 - 3 V at 25 °C?
Repair the open or short of the wiring harness.
2
Is the repair complete?
1. Remove the inside air temperature sensor.
2. Measure the resistance between the inside air sensor connector
3
terminals.
Does the measured resistance indicate 2.2 kΩ at 25 °C?
Replace the inside air sensor.
4
Is the repair complete?
Replace the controller.
5
Is the repair complete?
AMBIENT AIR TEMPERATURE SENSOR ERROR
Step
1. Remove the ambient air temperature sensor.
2. Measure the resistance between the ambient air temperature sensor
1
connector terminals.
Does the measured resistance indicate 2.2 kΩ at 25 °C?
Replace the ambient air temperature sensor.
2
Is the repair complete?
1. Remove the controller with connecting the connector.
2. Turn the ignition switch to ON.
3
3. Measure the voltage between terminal B8 and connector A13.
Does the measured voltage indicate 2.2 V at 25 °C?
Repair the open or short of the wiring harness.
4
Is the repair complete?
Replace the controller.
5
Is the repair complete?
Action
Action
Action
Yes No
Go to
"Insufficient
Cooling
Diagnosis"
11 - 14 V Go to Step 2
System OK -
Yes No
Go to Step 3 Go to Step 2
System OK -
Go to Step 5 Go to Step 4
System OK -
System OK -
Yes No
Go to Step 3 Go to Step 2
System OK -
Go to Step 5
Go to Step 4
System OK -
System OK -
SSANGYONG Y200