If the windshield frequently fogs up even though the air conditioning system is operating, the following factors may be the cause.
| Symptom | Factor |
|---|---|
| Windshield frequently fogs up | ·
Compressor with pulley assembly malfunction ·
Refrigerant volume (low) ·
Cooler expansion valve (opened excessively) ·
No. 1 air conditioning radiator damper servo sub-assembly malfunction ·
Mechanical locking of damper and damper link |
Perform the Utility according to the display on the GTS.
| Tester Display |
|---|
| Refrigerant Gas Volume Check |
Check that the following conditions are met and perform the refrigerant shortage check according to the display on the GTS.
| Item | Condition |
|---|---|
| A/C switch | On |
| Ambient temperature* | 0 to 49°C (32 to 120°F) |
| Blower speed | HI |
*: If the ambient temperature is not within the range shown, do not perform this check.
| Result | Amount of Refrigerant |
|---|---|
| Refrigerant correct | Correct |
| Refrigerant shortage | Insufficient |
"Refrigerant correct" is displayed on the GTS.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Press the front defroster switch on the air conditioning control assembly and check that the air outlet mode changes to DEF mode.
The air outlet mode changes to DEF mode.
| Proceed to |
|---|
| OK |
| NG |
OK
NG