RM35X0E _58 Vehicle Interior _079316 HEATING / AIR CONDITIONING _0386652 AIR CONDITIONING SYSTEM(for Manual Air Conditioning System) J

HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)  Recirculated/Fresh Air Modes do not Switch  


DESCRIPTION

If the fresh/recirculation mode does not change or exhaust gas can be smelled even while set to recirculation mode, the following causes are possible.

Malfunction Status Factor
·

Fresh/recirculation mode does not change.

·

Exhaust gas can be smelled even while set to recirculation mode.


·

Blower servo motor malfunction

·

Blower damper and link operation (jamming)

·

Foreign object jammed in door

·

Air conditioning radiator assembly malfunction



WIRING DIAGRAM

E414356E02
5.365,1.844 5.823,2.042 0.458,0.198 10 false N41 5.375,2.021 6.969,2.417 1.594,0.396 10 false Air Conditioning Amplifier Assembly 4.177,0.625 4.635,0.823 0.458,0.198 10 false REC 4.198,0.906 4.656,1.104 0.458,0.198 10 false FRS 5.281,0.625 5.74,0.823 0.458,0.198 10 false 20 5.281,0.917 5.74,1.115 0.458,0.198 10 false 21 4.604,0.625 5.063,0.823 0.458,0.198 10 false 1 4.615,0.917 5.073,1.115 0.458,0.198 10 false 2 5.583,0.729 6.042,0.927 0.458,0.198 10 false REC 5.594,1 6.052,1.198 0.458,0.198 10 false FRS 2.792,0.76 3.25,0.958 0.458,0.198 10 false IG+ 2.521,0.771 2.979,0.969 0.458,0.198 10 false 5 0.146,0.865 1.531,1.115 1.385,0.25 10 false from IG1 NO.3 Relay 2.792,1.406 3.25,1.604 0.458,0.198 10 false N84 2.802,1.552 4.531,1.927 1.729,0.375 10 false No. 1 Blower Damper Servo Sub-assembly

PROCEDURE

1.CHECK NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY
a.

Check that the No. 1 blower damper servo sub-assembly is installed correctly.

OK:

No. 1 blower damper servo sub-assembly is installed correctly.



Result:
Proceed to
OK
NG



OK

2.INSPECT NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY

NG

REINSTALL NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY

Click hereVehicle Interior>HEATING / AIR CONDITIONING>BLOWER UNIT>REASSEMBLY


2.INSPECT NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY
a.

Remove the No. 1 blower damper servo sub-assembly.

Click hereVehicle Interior>HEATING / AIR CONDITIONING>BLOWER UNIT>DISASSEMBLY


b.

Inspect the No. 1 blower damper servo sub-assembly.

Click hereVehicle Interior>HEATING / AIR CONDITIONING>BLOWER UNIT>INSPECTION


Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (NO. 1 BLOWER DAMPER SERVO MOTOR SUB-ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY AND BATTERY)

NG

REPLACE NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY

Click hereVehicle Interior>HEATING / AIR CONDITIONING>BLOWER UNIT>DISASSEMBLY


3.CHECK HARNESS AND CONNECTOR (NO. 1 BLOWER DAMPER SERVO MOTOR SUB-ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY AND BATTERY)
a.

Disconnect the N84 No. 1 blower damper servo motor sub-assembly connector.


b.

Disconnect the N41 air conditioning amplifier assembly connector.


c.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Switch Condition Specified Condition
N84-5 (IG+) - Body ground Ignition switch ON 11 to 14 V
N84-5 (IG+) - Body ground Ignition switch off Below 1 V



d.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N84-1 (REC) - N41-20 (REC) Always Below 1 Ω
N84-2 (FRS) - N41-21 (FRS) Always Below 1 Ω
N84-1 (REC) or N41-20 (REC) - Body ground Always 10 kΩ or higher
N84-2 (FRS) or N41-21 (FRS) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

GO TO ON-VEHICLE INSPECTION (CHECK REFRIGERANT PRESSURE USING GAUGE)

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM (for Manual Air Conditioning System)>ON-VEHICLE INSPECTION


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR