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 |
READ NEXT:
Blower Motor does not Operate
DESCRIPTION If air does not flow from the front registers after the blower switch on the air conditioning control assembly is operated, the following factors may be the cause.
Symptom Factor
Weak Blower Output
DESCRIPTION If the airflow from the front registers is weak regardless of the blower speed setting displayed on the air conditioning control assembly, the following factors may be the cause.
Sym
Recirculated/Fresh Air Modes Switch without User Input
DESCRIPTION If recirculation/fresh mode changes unintentionally and without permission, the following causes are possible.
Symptom Factor
Recirculation/fresh mode changes without
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Back-up Light Circuit
DESCRIPTION The power distribution box assembly controls the back-up lights via the BKUP LP relay. WIRING DIAGRAM
for HEV Model for Gasoline Model
PROCEDURE
1.
CHECK VEHICLE TYPE (a) Check vehicle type.
Result Proceed to
for HEV Model A
for Gasoline Model B
Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch
DESCRIPTION If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode.
If power window initialization has not been performed, the auto up and down functions will not operate. WIRING DIAGRAM
CAUTION / NO
