Inspection Procedure

INSUFFICIENT COOLING

Inspection procedure


1. CHECK WITH A GAUGE OF RECOVERY/RECYCLING RECHARGING EQUIPMENT

Connect the recovery/recycling recharging equipment to the vehicle and perform the pressure inspection with the gauge.
Is there refrigerant?
YES- GO TO 2.
NO-1- Check for refrigerant leakages with the refrigerant leakage detecting fluorescent leak detector.
Fluorescent Leak Detector.
NO-2- GO TO 2 after repairing or replacing the parts according to the inspection results.

2. CHECK CHARGED REFRIGERANT AMOUNT

1.Connect recovery/recycling recharging equipment to the vehicle and discharge the refrigerant. Refer to
Service and Repair.
2.Recharge with the proper amount of refrigerant. Service and Repair.
3.Perform the inspection with the refrigerant leakage detecting fluorescent leak detector. Fluorescent Leak Detector.
Is the inspection result normal?
YES- GO TO 3.
NO- Refill the refrigerant and repair or replace the parts according to the inspection results.

3. PERFORM THE PERFORMANCE TEST

Connect recovery/recycling recharging equipment to the vehicle and perform the performance test. Refer to
Performance Chart (VQ-35HR) or Performance Chart (VK-50VE).
Is the inspection result normal?
YES- GO TO 4.
NO- Perform the diagnosis with the gauge pressure. Trouble Diagnosis For Unusual Pressure.

4. CHECK SETTING OF TEMPERATURE SETTING TRIMMER

Check the setting of temperature setting trimmer. Without ACCS (WITHOUT ACCS) or With ACCS (WITH ACCS).
1.Check that the temperature setting trimmer is set to "+ direction".
NOTE:
The control temperature can be set with the setting of temperature setting trimmer.
2.Set temperature control dial to "0".
Are the symptoms solved?
YES- INSPECTION END
NO- GO TO 5.

5. PERFORM SELF-DIAGNOSIS

Perform self-diagnosis function. Without ACCS (WITHOUT
ACCS) or With ACCS (WITH ACCS).
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace parts according to the inspection results.

6. CHECK DRIVE BELT

Check tension of the drive belt. Procedures (VQ-35HR) or (VK-50VE).
Is the inspection result normal?
YES- GO TO 7.
NO- Adjust or replace drive belt.

7. CHECK AIR LEAKAGE FROM DUCT

Check duct and nozzle, etc. of A/C system for air leakage.
Is the inspection result normal?
YES- GO TO 8.
NO- Repair or replace parts according to the inspection results.

8. CHECK ECV

Perform the ECV diagnosis procedure. ECV (Electrical Control Valve).
Is the inspection result normal?
YES- Replace the unified meter and A/C amp.
NO- Replace the compressor.