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LIGHTS/METERS/SWITCHES
Fan motor does not start, then oil temperature
indicator does not come on
Disconnect the ignition control module (ICM) 8P
connector. Check for continuity between the 8P
connector Light blue terminal and oil thermosensor
connector terminal (Blue).
There should be continuity.
If there is no continuity, check for open circuit in
Light blue and Blue wires between the ICM and
thermosensor.
If there is continuity, replace the ICM.
Fan motor does not stop, then oil temperature
indicator does not go off
Disconnect the ignition control module (ICM) 8P
connector. Check for continuity between the oil
thermosensor connector terminal (Blue) and
ground.
There should be no continuity.
If there is continuity, check for short circuit in Light
blue and Blue wires between the ICM and
thermosensor.
If there is no continuity, replace the ICM.
Fan motor does not start
Disconnect the White wire connector (single lead)
of the ignition control module (ICM) and ground the
harness side White wire terminal with a jumper
wire.
Turn the ignition switch ON and check the fan
motor.
If the motor starts, disconnect the Green wire
connector of the ICM and check for open circuit in
ICM green wire (ground line). If the wire is OK,
replace the ICM.
If the motor does not start, remove the right inner
fender (page 2-9) and disconnect the fan motor
Blue wire connector. Measure the voltage between
the harness side Blue wire terminal ( ) and ground
( ).
There should be battery voltage with the ignition
switch ON.
If there is no voltage, check for open circuit in
Blue wire.
If there is voltage, disconnect the fan motor
Green-White wire connector and check for open
circuit in White wire between the fan motor and
ICM. If it is OK, replace the fan motor.
20-12
I
I
C
C
I
I
C
C
M
M
O
O
I
I
L
L
T
T
H
H
E
E
R
R
M
M
O
O
S
S
E
E
N
N
S
S
O
O
I
I
C
C
M
M
W
W
I
I
R
R
E
E
C
C
O
O
N
N
N
N
E
E
C
C
T
T
O
O
R
R
S
S
I
I
C
C
M
M
FAN MOTOR WIRE CONNECTORS
M
M
8
8
P
P
C
C
O
O
N
N
N
N
E
E
C
C
T
T
O
O
R
R
R
R
C
C
O
O
N
N
N
N
E
E
C
C
T
T
O
O
R
R
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Table of Contents
Troubleshooting
