Toyota Corolla Cross: Front Window Fogging
DESCRIPTION
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 |
|
PROCEDURE
| 1. |
PERFORM REFRIGERANT SHORTAGE CHECK |
(a) Perform the Utility according to the display on the GTS.
Body Electrical > Air Conditioner > Utility|
Tester Display |
|---|
| Refrigerant Gas Volume Check |
(b) Check that the following conditions are met and perform the refrigerant shortage check according to the display on the GTS.
Measurement Condition:|
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 |
OK:
"Refrigerant correct" is displayed on the GTS.
| NG | .gif) | CHARGE SYSTEM WITH REFRIGERANT |
|
.gif)
| 2. |
CHECK OPERATION |
(a) Press the front defroster switch on the air conditioning control assembly and check that the air outlet mode changes to DEF mode.
OK:
The air outlet mode changes to DEF mode.
| OK | | INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET |
| NG | | GO TO DTC B14037F |
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Symptom Factor
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Symptom Factor
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