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ON-VEHICLE SERVICE
ENGINE COOLING
14-24
3. Connect the cooling fan motor drive control unit
connector, and disconnect the cooling fan motor
(L.H.) 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 cooling fan
motor drive control unit side connector terminal 1
and 2.
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 cooling fan
motor drive control unit side connector terminal 1
and 2 while the fan is running. The voltage should
repeat the values below.
Standard value:
1. 1 V or less
2. 8.2
±
0.7 V
3. System voltage
±
2.6 V
8. If the voltage does not repeatedly change as
indicated, replace the cooling fan motor drive
control unit. (Refer to
P.14-35
).
FAN CONTROL RELAY CONTINUITY
CHECK
M1141006200280
AC303496AB
Cooling fan motor
drive control unit
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
AC211776
1
3
4
2
3
4
1
2
AC301712
Fan control relay
AB
Summary of Contents for Lancer 2004
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Page 139: ...35 1 GROUP 35 SERVICE BRAKES CONTENTS BASIC BRAKE SYSTEM 35A ANTI SKID BRAKING SYSTEM ABS 35B ...
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Page 427: ...21 1 GROUP 21 CLUTCH CONTENTS CLUTCH 21A CLUTCH OVERHAUL 21B ...
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Page 481: ...00 1 GROUP 00 GENERAL CONTENTS GENERAL 00 GENERAL ELECTRICAL 00E ...
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