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Fan Control
Fan Motor Testing
1.
Disconnect the 2P
connector.
RADIATOR FAN MOTOR
Terminal
side
of
male terminals
2.
Test the motor by connecting battery power to the
No.
2
terminal and ground to
the
No.
1
terminal.
3.
If
the
motor
fail
s
to
run
or
does not run
smoothly,
replace
it.
10-14
Radiator Fan Switch Testing
Removing the radiator fan
switch
while
hot
can
cause the
coolant
to
spray
out, seri·
ously scalding
you.
Always let the engine and
radiator
cool
down before removing
the
radiator
fan switch.
1.
Remove
the
radiator fan switch from the thermostat
housing
Isee
page
10-10).
2.
Suspend the radiator fan switch in a
contai
ner
of
water
as
shown.
A
THERMOMETER
B
\~=ti't~:,,:---
RADIATOR FAN
~
l
"
SWITCH
WATER
3.
Heat
the
wate
r,
and
check
the
temperature
with a
thermometer. 00
not let
the
thermometer
touch the
bottom of
the hot
container.
4.
Measure the
continuity
between the A and B termi·
nals according to
th
e
table.
~
Terminal
~
A
B
Operation
Temperature
ON
196
- 203°F
191 - 95°C)
SWITCH
5
- 14°F
(3 - 8°C)
OFF
lower
than the
tern·
perature when it
goes on
5.
Bleed the air from the cooling system after installing
the radiator fan switch (see page
10·5).
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Table of Contents
Troubleshooting
