8-32
ELECTRICAL
SYSTEM
INDICATORS
ENGINE COOLANT TEMPERATURE METER INSPECTION
Disconnect the ECT sensor coupler
a.
I
CAUTION
I
When connecting and disconnecting the
ECT
sensor
lead wire coupler, make sure to turn
OFF
the ignition
switch, or electronic parts may get damaged.
Connect the variable resistor
@
between the terminals.
Turn the ignition switch
"ON".
Check the display of engine coolant temperature meter as
shown below. If any abnormality is found, replace the combi-
nation meter with a new one.
@
Variable resister
@I
ECT sensor
Water tem~erateurel
39
"C
and below
I
40
-
59
"C 60
-
79
'C
80-111
"C
Resistance
and more
I
Water temperateurel
1
12
-
11
9
"C
1
120 "C and over
1
122 "C and over
I
Engine coolant
temperature meter
G
0
I3
n
n
I
Resistance
1
0.140
-
0.1 16
kR
0
0
a
[7
El
U
u
m
m
'iI.!
m
m
m
m
m
0.1 16
k!2
0.111
kR
and less
I
and less
Engine coolant
temperature meter
n
m
m
m
m
m
m
m
m
m
m
m
m
d:m
m