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,
"Inspection".
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. Performance Chart (VQ35HR) or Performance Chart (VK50VE).
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. Temperature Setting Trimmer Without ACCS (WITHOUT ACCS) or Temperature Setting Trimmer 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. Diagnosis Description Unified Meter & A/C Amp Without ACCS (WITHOUT
ACCS) or Diagnosis Description With ACCS Unified Meter & A/C Amp (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 (VQ35HR) or (VK50VE).
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.