RM3660EC _58 Vehicle Interior _080733 HEATING / AIR CONDITIONING _0598792 AIR CONDITIONING SYSTEM(for HV Model (8ZR-FXE)) J

HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for HV Model (8ZR-FXE))  Blower Motor does not Operate  


DESCRIPTION

If air does not flow from the registers after the blower switch on the air conditioning control assembly is operated, the following factors may be the cause.

Symptom Factor
No air flows from the registers
·

Blower motor with fan sub-assembly malfunction

·

Air conditioning amplifier assembly malfunction

·

Warm-up control

·

Engine coolant temperature sensor malfunction



PROCEDURE

1.CHECK AIR CONDITIONING SYSTEM (MANUAL MODE)
a.

Turn off the AUTO switch, operate the blower switch and check that the blower motor with fan sub-assembly can be operated manually.

OK:

The blower motor with fan sub-assembly operates normally.



Result:
Proceed to
OK
NG



OK

2.READ VALUE USING GTS (COOLANT TEMPERATURE)

NG

GO TO DIAGNOSIS PROCEDURE (Blower Motor Circuit)

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM (for HV Model (8ZR-FXE))>Blower Motor Circuit


2.READ VALUE USING GTS (COOLANT TEMPERATURE)
a.

Read the Data List according to the display on the GTS.

Powertrain > Engine > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Coolant Temperature Engine coolant temperature Min.: -40°C (-40°F)
Max.: 140°C (284°F) 		75 to 100°C (167 to 212°F): After warming up This is the engine coolant temperature.
HINT:
·

After warming up the engine, the engine coolant temperature will be 75 to 100°C (167 to 212°F).

·

After a long soak, the engine coolant temperature, intake air temperature and ambient air temperature will be approximately equal.

·

If the value is -40°C (-40°F), or higher than 135°C (275°F), the sensor circuit is open or shorted.

·

Check if the engine overheats if the value indicated is higher than 135°C (275°F).



Powertrain > Engine > Data List
Tester Display
Coolant Temperature
50003 372 205
OK:

The temperature after warming up is as specified in the normal condition column.



Result:
Proceed to
OK
NG



OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING AMPLIFIER>REMOVAL


NG

GO TO COOLING SYSTEM

Click hereEngine / Hybrid System>8ZR-FXE (COOLING)>COOLING SYSTEM>ON-VEHICLE INSPECTION