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Troubleshooting
Radiator Fan Switch
Both fans (radiator and condenser)
do not run for engine cooling, but
they both run with
the
Ale
on.
Check for an open in the wire:
RADIATOR FAN SWITCH 2P CONNECTOR
1.
Di
sconnect
the
radiator fan
switch
2P
con nector.
2.
Turn
the
ignition switch ON
(II).
3.
M
easu
re the
voltage
between
the
No.
2 terminal and body
ground.
Repair open
In
the wire between
NO
the radiator fan relay, the can-
Is
there
battery voltage?
denser fan relay and the radiator
Wire
side
of female terminals
YES
fan switch
.
Check for an open in the wire:
1.
Turn
the ignition switch
OFF.
2. Check for
co
ntinuity
between
the
NO.
1 terminal
of
the
radi-
ator
fan switch
2P connector
and body ground
.
ei
®
1
Check for an open in the wire
NO
between the radiator fan switch
Is
there
continuity?
and
body
ground. "the .,; .. 15
OK.
YES
check
for poor ground at G101
.
Check the cooling system.
NO
"
Is the
cooling
system
OK?
/
Repair the cooling system.
YES
Replace the radiator fan
swftch.
I
22-32
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Table of Contents
Troubleshooting
