Mitsubishi Outlander (2003+). Manual — part 127
ON-VEHICLE SERVICE
ENGINE COOLING
14-19
3. Connect the fan controller connector, and
disconnect the condenser fan motor connector.
4. Ensure that the A/C switch is off, and start the
engine and run it at idle.
5. Measure the voltage between the fan
controller-side connector terminals.
Standard value: 1V or less
WARNING
Stay clear of the fan when the fan starts
running.
6. Turn the A/C switch to the "ON" position.
7. Measure the voltage between the fan
controller-side connector terminals while the fan is
running. The voltage should repeat the values
below.
Standard value:
8.2
±
2.6 V
System voltage
±
2.6 V
8. If the voltage does not repeatedly change as
indicated, replace the fan controller.
FAN CONTROL RELAY CONTINUITY
CHECK
M1141006200332
AC103010
2
1
Fan controller
AD
Battery
voltage
Terminal No.to
be connected to
tester
Continuity test
results
Not applied 4
−
2
Open circuit
Connect
terminal
No.1 and
battery (
−
)
terminal.
Connect
terminal
No.3 and
battery (+)
terminal.
4
−
2
Less than 2 ohms
AC308060
1
3
4
2
3
4
1
2
AC309492
Fan control relay
AB
THERMOSTAT
ENGINE COOLING
14-20
RADIATOR FAN MOTOR CHECK
M1141007100112
1. Remove the radiator fan motor connector.
2. Check to see that the fan motor of the radiator
turns when applying battery power between the
connector terminals of the radiator fan motor. Also
check to see that there is no abnormal sound
coming from the radiator fan motor at this time.
3. If the radiator fan motor is defective, replace it.
THERMOSTAT
REMOVAL AND INSTALLATION
M1141002400516
<4G63>
AC103006
1
2
Radiator
fan motor
AE
Pre-removal and Post-installation Operation
•
Engine Coolant Draining and Refilling (Refer to
•
Air Cleaner Removal and Installation (Refer to GROUP
15, Air Cleaner
<4G63>,
<4G69>).
•
Battery Removal and Installation
AC301429
1
2
3
4
5
13 ± 2 N·m
AB
Removal steps
1.
Engine coolant temperature gauge
unit connector
2.
Engine coolant temperature sensor
connector
<<A>>
>B<<
3.
Radiator lower hose connection
4.
Water inlet fitting
>>A<<
5.
Thermostat
Removal steps (Continued)
THERMOSTAT
ENGINE COOLING
14-21
<4G69>
REMOVAL SERVICE POINT
<<A>> RADIATOR LOWER HOSE
DISCONNECTION
Make mating marks on the radiator hose and the
hose clamp. Disconnect the radiator hose.
INSTALLATION SERVICE POINTS
>>A<< THERMOSTAT INSTALLATION
CAUTION
Make absolutely sure that no oil adheres to the
rubber ring of the thermostat. Also do not fold or
scratch the rubber ring during installation.
Install the thermostat so that the jiggle valve is facing
straight up. Be careful not to fold or scratch the
rubber ring.
AC309324AB
1
2
3
4
13 ± 2 N·m
5
11 ± 1 N·m
11 ± 1 N·m
2
Removal steps
<<A>> >>B<<
1.
Radiator lower hose connection
2.
Control wiring harness connection
3.
Control wiring harness connection
bracket
4.
Water inlet fitting
>>A<<
5.
Thermostat
AC200641AC
Mating marks
AC000279
Jiggle valve
Rubber ring
AB
THERMOSTAT
ENGINE COOLING
14-22
>>B<< RADIATOR LOWER HOSE CONNECTION
1. Insert each hose as far as the projection of the
water inlet fitting.
2. Align the mating marks on the radiator hose and
hose clamp, and then connect the radiator hose.
INSPECTION
M1141002500472
THERMOSTAT CHECK
1. Immerse the thermostat in water, and heat the
water while stirring. Check the thermostat valve
opening temperature.
Standard value:
Valve opening temperature: 82
±
1.5
°
C
2. Check that the amount of valve lift is at the
standard value when the water is at the
full-opening temperature.
NOTE: Measure the valve height when the
thermostat is fully closed, and use this
measurement to compare the valve height when
the thermostat is fully open.
Standard value:
Full-opening temperature: 95
°
C
Amount of valve lift: 8.5 mm or more
AC200642
Mating marks
Projection
Water inlet fitting
AE
ACX00400AB
ACX00401AC
Valve lift
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