RM3660EC _58 Vehicle Interior _080733 HEATING / AIR CONDITIONING _0591216 AIR CONDITIONING SYSTEM(for Gasoline Model (NR Series) with Manual Air Conditioning System for Mechanical Control Type) J

HEATING / AIR CONDITIONING AIR CONDITIONING SYSTEM(for Gasoline Model (NR Series) with Manual Air Conditioning System for Mechanical Control Type) 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	· Compressor assembly with pulley malfunction · Refrigerant volume (low) · Cooler expansion valve (opened excessively) · No. 1 heater control sub-assembly malfunction · Mode damper control cable sub-assembly malfunction · Air conditioning radiator assembly malfunction

PROCEDURE

1.PERFORM REFRIGERANT SHORTAGE CHECK

Connect the GTS to the DLC3.

Turn the ignition switch to ON.

Turn the GTS on.

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

Body Electrical > Air Conditioner > Utility

Tester Display
Refrigerant Gas Volume Check

50005 121 2186

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:

Result	Amount of Refrigerant
Refrigerant correct	Correct
Refrigerant shortage	Insufficient

OK:: "Refrigerant correct" is displayed on the GTS.

Result:

Proceed to
OK
NG

2.CHECK OPERATION

CHARGE SYSTEM WITH REFRIGERANT

Click hereVehicle Interior>HEATING / AIR CONDITIONING>REFRIGERANT>REPLACEMENT202304,999999,_58,_080733,_0393725,RM100000002B1HP,

2.CHECK OPERATION

Set the airflow mode control switch to defrost and check that the air outlet mode changes to DEF mode.

OK:: The air outlet mode changes to DEF mode.

Result:

Proceed to
OK
NG

INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET

Click hereVehicle Interior>HEATING / AIR CONDITIONING>REFRIGERANT>ON-VEHICLE INSPECTION201906,999999,_58,_080733,_0393725,RM100000001HZJB,

3.INSPECT NO. 1 HEATER CONTROL SUB-ASSEMBLY

Remove the No. 1 heater control sub-assembly.

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING PANEL>REMOVAL202304,999999,_58,_080733,_0393743,RM100000002B1IV,

Inspect the No. 1 heater control sub-assembly.

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING PANEL>INSPECTION201906,999999,_58,_080733,_0393743,RM100000001I5QR,

Result:

Proceed to
OK
NG

4.CHECK MODE DAMPER CONTROL CABLE SUB-ASSEMBLY

REPLACE NO. 1 HEATER CONTROL SUB-ASSEMBLY

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING PANEL>REMOVAL202304,999999,_58,_080733,_0393743,RM100000002B1IV,

4.CHECK MODE DAMPER CONTROL CABLE SUB-ASSEMBLY

Replace the mode damper control cable sub-assembly with a new or known good one.

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING UNIT (for Gasoline Model)>DISASSEMBLY202304,999999,_58,_080733,_0393729,RM100000002B1I0,

Check if the same malfunction recurs.

OK:: Malfunction does not reoccur (returns to normal).

Result:

Proceed to
OK
NG

END (MODE DAMPER CONTROL CABLE SUB-ASSEMBLY WAS DEFECTIVE)

REPAIR OR REPLACE AIR CONDITIONING RADIATOR ASSEMBLY