CO-28
COOLING
SYSTEM - Electric Cooling
Fan
INSPECTION OF ELECTRIC COOLING FAN
1.
INSPECT TEMPERATURE SWITCH
LOCATION:
AE and AT On the water i
n
l
l
t h
o
us
i
n
g
.
AW
On
t
h
l
r
lld
i
a
l
o
r
le
f
t
s
i
d
e.
lal
Using an ohmmeter. check Ihat thetl is no c
o
nti,.,.,.,
when
the coolanl temperllurl is above
9J"C
(I 99°FI.
Ibl
C
h
ee
k
that thetl
is
contiouity when the coolant
lem
perature
is
below S3°C (tSt·FI.
If continuity is
not IS
specified.
r&place
the switch.
2.
INSPECT ENGINE MAIN RELAY (AE
and
An OR
FAN MAIN RELAY lAW)
(See procedure Engine Meln Aelay
on
�e
CH·15)
3.
INSPECT COOLING
FAN RELAY
LOCATION:
AE
and
AT In
t
he engine compartment
rel.y
box.
AW
In
the
No.5 junction block of
the Iront �.
g8ge
compartment.
A.
In,pect relly c
o
nti
n
ui
t
y
(a) Using an ohmmeter. check Ihat
there
is continurty
between
terminals
1
and
2.
(b)
Check
thllt there is
c
o
n
t
in
uit
y
between terminal. 3
iIInd
4.
If
co
n
t
i
n
ui
ty
is not as specified, replace
t
h
e
relay
.
B.
Inepeel .e'IY operation
Ia)
A
p
p
l
y
battery
v
ol
t
a
ge
across terminals
1
and
2
.
(b)
C
h
ec
k that there is
no
continuity
between
te
rm
i
n
a
l
. 3
ond
4.
If
operation
i
s
nol
a
s specified.
repl&ee the reley.
••
INSPECT FAN MOTOR
AmrMler
la)
Connect
the battery
and
ammeter 10
the
fan
motor
c
o
n
nec
t
o
r
.
!tI)
Check
to
see
th.t
the
motor rot.les
sm
oothl
y
. II'Id
current is as
follows:
Stand.rd amperage:
AE and AT
3.2
- •••
A
AW
5.8
-
1.'
A
