SSANGYONG Rexton Y200 Manual page 1393

7D-16 AUTOMATIC CONTROL HVAC SYSTEM
Step
1. Recover the A/C system refrigerant.
2. Replace the expansion valve as needed.
3. Evacuate and recharge the A/C system.
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4. Check the A/C system for leaks.
5. Operate the A/C system.
Is the discharge temperature normal?
1. Recover the refrigerant of the A/C system.
2. Evacuate and recharge the A/C system.
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3. Check the A/C system for leaks.
Does the A/C system operate normally?
Feel the liquid pipe between the condenser and the expansion valve.
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Is the pipe cold?
1. Repair any restriction in high pressure side.
2. Check the A/C system for leaks.
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Does the A/C system operate normally?
1. Run the engine at 3,000 rpm.
2. Close all of the windows and doors.
3. Set the A/C switch to ON.
4. Set the blower motor switch to 4th.
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5. Set the temperature control switch to full cold.
6. Turn the A/C switch ON and OFF every 20 seconds for 3 minutes.
7. Measure the compressor high and low pressure.
Are both pressures within the specified value?
Add the specified amount of the refrigerant to the A/C system.
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Is the amount within the specified value?
1. Turn the ignition to LOCK.
17 2. Set the A/C switch to OFF position.
Can you turn the compressor clutch freely by hand?
1. Check the A/C system for leaks.
2. Repair any leaks as needed.
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3. Evacuate and recharge the A/C system.
Does the A/C system operate normally?
1. Recover the refrigerant of the A/C system.
2. Evacuate and recharge the A/C system.
3. Check the A/C system for leaks.
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4. Replace the compressor as needed.
Is the repair complete?
Insufficient Cooling Diagnosis (Cont'd)
Action Yes No
Go to Step 13 Go to Step 12
System OK -
Go to Step 15 Go to Step 14
System OK -
Go to Step 17 Go to Step 16
System OK -
Go to Step 18 Go to Step 19
System OK -
System OK -
SSANGYONG Y200