With 7 Inch Display

INSUFFICIENT COOLING





Description

Symptom
- Insufficient cooling
- No cool air comes out. (Air flow volume is normal.)




Diagnosis Procedure
1.CHECK MAGNET CLUTCH OPERATION
1. Turn the ignition switch ON.
2. Turn the fan control dial ON.
3. Press the A/C switch.
4. Check that the indicator of the A/C switch turns ON. Check visually and by sound that the compressor operates.
5. Press the A/C switch again.
6. Check that the indicator of the A/C switch turns OFF. Check that the compressor stops.
Is the inspection result normal?
YES - GO TO 2.
NO - Magnet clutch system malfunction. With 7 Inch Display.
2.CHECK DRIVE BELT
Check tension of the drive belt. Procedures.
Is the inspection result normal?
YES - GO TO 3.
NO - Adjust or replace drive belt depending on the inspection results.
3.CHECK REFRIGERANT CYCLE PRESSURE
Connect the recovery/recycling recharging equipment to the vehicle and perform the pressure inspection with the gauge. Symptom Table.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace the parts depending on the inspection results.
4.CHECK PERFORMANCE CHART
Connect recovery/recycling recharging equipment to the vehicle and perform the performance test. Refer to
Performance Test.
Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 7.
5.CHECK AMBIENT TEMPERATURE DISPLAY
Check that there is not much difference between actual ambient temperature and indicated temperature on information display in combination meter.
Is the inspection result normal?
YES - GO TO 6.
NO - Perform the diagnosis for the A/C auto amp. connection recognition signal. A/C Auto AMP Connection Recognition Signal Circuit A/C Auto AMP Connection Recognition Signal Circuit, "Diagnosis Procedure".
6.CHECK SETTING OF TEMPERATURE SETTING TRIMMER
With CONSULT-III
1. Select "TEMP SET CORRECT" of HVAC work support item. Temperature Setting Trimmer With 7 Inch Display.
2. Check that the temperature setting trimmer is set to "+ direction".

NOTE:
The control temperature can be set with the setting of the temperature setting trimmer.
3. Set the difference between the set temperature and control temperature to "0".
- INSPECTION END
7.CHECK CHARGED REFRIGERANT AMOUNT
1. Connect recovery/recycling recharging equipment to the vehicle and discharge the refrigerant.
2. Recharge with the proper amount of refrigerant.
Are the symptoms solved?
YES - INSPECTION END
NO - Diagnosis Chart By Symptom With 7 Inch Display and perform the appropriate diagnosis.