Diagnostic Information And Procedures; General Diagnosis - SSANGYONG Y200 Manual

7B-10 GENERAL HVAC SYSTEM

DIAGNOSTIC INFORMATION AND PROCEDURES

Symptom
Magnetic clutch switch don't
Airflow not
cold.
turn ON.
Insufficient refrigerant
Faulty receiver-drier
Abnormal rotating of
compressor
Abnormal compression of
compressor
Faulty expansion valve
Duct joint leak
Airflow is
cold but
Evaporator frozen
insufficient.
Faulty blower motor
Blower 1th - 3th inoperative,
4th operative
Airflow is There is air in the refrigerant
not
continuous.
Faulty expansion valve
Insufficient refrigerant
Insufficient
cooling.
Faulty receiver-drier
Faulty condenser
Excessive refrigerant in the
system
Abnormal rotating of com-
pressor
Insufficient compression of
compressor
There is air in the unit.
Faulty expansion valve

GENERAL DIAGNOSIS

Check
Check the fuse
Check the A/C switch
Check the triple switch (DSL: Dual switch)
Check the thermo switch (GSL)
Check the compressor relay
Check the magnetic clutch
Check the A/C control unit
Check the refrigerant capacity
Check the receiver-drier
Check the drive belt's tension, slip of the
compressor and clutch
Check the compressor
Check the expansion valve
Check the Duct joint
Check the intake air temperature switch
Check the blower motor
Check the resistor, connector
Measure the pressure
Check the expansion valve
Check the refrigerant capacity
Check the receiver-drier
Check the fin's surface and crack of the
tube, tank
Check the refrigerant capacity (Verify the
capacity higher than high pressure)
Check the drive belt's tension
Check the compressor
Check the pressure
Check the expansion valve
Action
Replace
Replace
Replace
Replace
Replace
Replace
Replace
Adding refrigerant
Replace
Adjusting belt
Replace
Replace
Replace
Replace
Replace
Replace
Evacuating and
charging refrigerant
Replace
Adding refrigerant
Replace
Cleaning surface,
Replace
Recharging
refrigerant
Adjusting belt
Replace
Evacuating and
charging refrigerant
Replace
SSANGYONG Y200