Lexus ES300 (1997 year). Manual - part 53
AC0BL–01
N20290
1
2
A
AC–96
–
AIR CONDITIONING
CONDENSER FAN
1653
1997 LEXUS ES300 (RM511U)
CONDENSER FAN
ON–VEHICLE INSPECTION
1.
INSPECT CONDENSER FAN OPERATION
Inspect the fan operation, as shown in the chart below.
Test conditions:
Ignition switch ON
Blower speed control switch position ”HI”
Temperature control dial at ”MAX. COOL”
Install on manifold gauge set”
A/C switch ON
Condition
Fan operation
Engine coolant temperature
83
°
C (181
°
F) or below
Not rotate
Engine coolant temperature
98
°
C (208
°
F) or above
Rotate
Refrigerant pressure is less than
1,520 kPa (15.5 kgf/cm
2
, 220 psi)
Not rotate
Refrigerant pressure is 1,520 kPa
(15.5 kgf/cm
2
, 220 psi) or above
Rotate
If operation is not as specified, proceed to the next inspection.
2.
INSPECT CONDENSER FAN MOTOR OPERATION
(a)
Disconnect the fan connector.
(b)
Connect battery and ammeter.
(c)
Check that the fan rotates smoothly, and then check that
the reading on the ammeter.
Specified amperage: 10.1
±
1.8 A at 20
°
C (68
°
F)
If operation is not as specified, replace the fan motor.
If operation is as specified, check the pressure switch, cooling
fan relays and engine coolant temp. switch.