RM3660EC _58 Vehicle Interior _080733 HEATING / AIR CONDITIONING _0591215 AIR CONDITIONING SYSTEM(for Gasoline Model (NR Series) with Manual Air Conditioning System for Electrical Control Type) J

HEATING / AIR CONDITIONING AIR CONDITIONING SYSTEM(for Gasoline Model (NR Series) with Manual Air Conditioning System for Electrical Control Type) 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.

Symptom	Factor
· Airflow volume is constantly low · Airflow volume sometimes becomes low	· Blower motor with fan sub-assembly malfunction · Clogged clean air filter · Clogged No. 1 cooler evaporator sub-assembly or heater radiator unit sub-assembly fins · No. 1 cooler thermistor malfunction

PROCEDURE

1.CHECK AIR CONDITIONING SYSTEM

Operate the blower switch with the following conditions met and check that the airflow volume changes.

Blower Speed	Condition
LO → HI	· Temperature setting: MAX COLD · Air outlet mode: FACE · A/C switch: Off

OK:: Airflow volume increases.

Result:

Proceed to
OK
NG

2.CHECK CLEAN AIR FILTER

GO TO OTHER DIAGNOSIS PROCEDURE (Blower Motor Circuit)

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM (for Gasoline Model (NR Series) with Manual Air Conditioning System for Electrical Control Type)>Blower Motor Circuit202304,999999,_58,_080733,_0591215,RM100000002AH6Y,

2.CHECK CLEAN AIR FILTER

Visually check the clean air filter.

Click hereGeneral>MAINTENANCE>AIR CONDITIONING FILTER>REMOVAL202304,999999,_V1,_080956,_0393747,RM100000002B1PE,

OK:: The clean air filter is not dirty or clogged.

Result:

Proceed to
OK
NG

3.CHECK NO. 1 COOLER THERMISTOR

REPLACE CLEAN AIR FILTER

Click hereGeneral>MAINTENANCE>AIR CONDITIONING FILTER>REMOVAL202304,999999,_V1,_080956,_0393747,RM100000002B1PE,

3.CHECK NO. 1 COOLER THERMISTOR

Check the installation condition of the No. 1 cooler thermistor.

OK:: The No. 1 cooler thermistor is installed correctly.

Result:

Proceed to
OK
NG

REPLACE HEATER RADIATOR UNIT SUB-ASSEMBLY OR NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING UNIT (for Gasoline Model)>REMOVAL202304,202307,_58,_080733,_0393729,RM100000002B1HY,202307,999999,_58,_080733,_0393729,RM100000002D3V5,

INSTALL NO. 1 COOLER THERMISTOR

Click hereVehicle Interior>HEATING / AIR CONDITIONING>FRONT EVAPORATOR TEMPERATURE SENSOR (for Gasoline Model)>INSTALLATION202304,999999,_58,_080733,_0393740,RM100000002B3B9,