Mitsubishi Evolution X. Manual — part 233
ON-VEHICLE SERVICE
TSB Revision
ENGINE COOLING
14-19
COOLING FAN RELAY CONTINUITY CHECK
M1141006201108
.
RADIATOR FAN RELAY CHECK
.
CONDENSER FAN RELAY CHECK
.
Battery voltage Terminal No. to
be connected
to tester
Continuity test
results
Not applied
2
− 4
Open circuit
Connect
terminal No. 3
and battery (+)
terminal.
Connect
terminal No. 1
and battery (
−)
terminal.
Continuity (Less
than 2 ohms)
1
3
4
2
4
2
3
1
AC707028
AC705490
AC
Radiator fan relay
Battery voltage Terminal No. to
be connected
to tester
Continuity test
results
Not applied
4
− 3
Open circuit
Connect
terminal No.1
and battery (+)
terminal.
Connect
terminal No.2
and battery (
−)
terminal.
Continuity (Less
than 2 ohms)
1
3
4
2
4
2
3
1
AC707029
AC705490
Condenser fan relay
AC
ON-VEHICLE SERVICE
TSB Revision
ENGINE COOLING
14-20
FAN CONTROL RELAY CHECK
Battery voltage Terminal No. to
be connected
to tester
Continuity test
results
Not applied
2
− 4
Continuity (Less
than 2 ohms)
Not applied
2
− 5
Open circuit
Connect
terminal No. 1
and battery (+)
terminal.
Connect
terminal No. 3
and battery (
−)
terminal.
Continuity (Less
than 2 ohms)
1
3
4
2
AC707030
5
1
3
2
5
4
AC705490
AC
Fan control relay
ON-VEHICLE SERVICE
TSB Revision
ENGINE COOLING
14-21
COOLING FAN MOTOR CHECK
M1141007600225
1. Disconnect the fan motor connector.
2. Check that the fan motor runs when a positive battery
terminal is connected to the fan motor-side connector
terminal No.1, and terminal No.2 is grounded. Also check to
see that there is no abnormal sound emitted from the fan
motor at this time.
3. If the fan motor is defective, replace it (Refer to
AC706502AC
Condenser fan
motor connector
Radiator fan
motor connector
AC706893AC
Condenser fan
motor connector
AC706894AC
Radiator fan
motor connector
THERMOSTAT
TSB Revision
ENGINE COOLING
14-22
THERMOSTAT
REMOVAL AND INSTALLATION
M1141002401713
Pre-removal operation
• Engine Coolant Draining (Refer to
• Engine Upper Cover Removal (Refer to GROUP 16, Igni-
tion System
− Ignition Coil
).
• Air Cleaner Intake Hose Removal (Refer to GROUP 15,
Air Cleaner
Post-installation operation
• Air Cleaner Intake Hose Installation (Refer to GROUP 15,
Air Cleaner
• Engine Upper Cover Installation (Refer to GROUP 16,
Ignition System
− Ignition Coil
• Engine Coolant Refilling (Refer to
AC705834
24 ± 3 N·m
18 ± 2 ft-lb
10 ± 2 N·m
89 ± 17 in-lb
1
2
3
4
5
AC
Removal steps
<<A>>
>>B<<
1.
Radiator lower hose connection
2.
Control wiring harness clamp
connection
3.
Harness bracket
4.
Cooling water inlet hose fitting
>>A<<
5.
Thermostat
Removal steps (Continued)
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