Toyota Camry (XV70): Front Window Fogging

Toyota Camry Repair Manual XV70 (2018-2024) / Vehicle Interior / Heating / Air Conditioning / Air Conditioning System (for Manual Air Conditioning System) / Front Window Fogging

DESCRIPTION

If the windshield frequently fogs up even though the air conditioning system is operating, the following suspected areas may be the cause.

Symptom	Factor
Windshield frequently fogs up	Compressor assembly with pulley (compressor solenoid) malfunction Refrigerant volume (low) Cooler expansion valve (opened excessively) No. 1 air conditioning radiator damper servo sub-assembly (mode) malfunction Mechanical locking of damper and damper link

PROCEDURE

1.	PERFORM PERFORM REFRIGERANT SHORTAGE

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Body Electrical / Air Conditioner / Utility / Refrigerant Gas Volume Check.

Body Electrical > Air Conditioner > Utility

Tester Display
Refrigerant Gas Volume Check

(e) Check that the following conditions are met and perform the refrigerant shortage check according to the display on the Techstream.

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 Techstream.

CHARGE SYSTEM WITH REFRIGERANT

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.

INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET

GO TO DTC B1443

SEE MORE:

Replacement

REPLACEMENT CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during automatic transaxle fluid replacement are shown below. Necessary Procedures After Parts Removed/I

Inspection

INSPECTION PROCEDURE 1. INSPECT STARTER ASSEMBLY CAUTION: As a large electric current passes through the cable during this inspection, a thick cable must be used. If not, the cable may become hot and cause injury. NOTICE: Perform each of the following tests within 3 to 5 seconds to prevent the c

Toyota Camry (XV70): Front Window Fogging

READ NEXT:

SEE MORE:

Replacement

Inspection