ELECTRICAL SYSTEM 7-25
ENGINE COOLANT TEMPERATURE METER
AND INDICATOR
• Disconnect the engine coolant temperature sensor coupler.
"
• Connect the variable resistor
A 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.
When connecting and disconnecting the engine cool-
ant temp. sensor lead wire coupler, make sure to turn
OFF the ignition switch, or electronic parts may get
damaged.
Variable resister
Engine
coolant
temp.
sensor
C
H
Resistance
More than
1.148 kΩ
1.148 – 0.587 kΩ 0.587 – 0.188 kΩ 0.188 – 0.140 kΩ
Engine coolant
temperature meter
Water temperateure
C
H
C
H
C
H
Under 39 ˚C
40 – 59 ˚C
60 – 99 ˚C
100 – 111 ˚C
C
H
Resistance
0.140 – 0.116 kΩ
Engine coolant
temperature meter
Water temperateure
C
H
C
H
112 – 119 ˚C
Over 120 ˚C
Over 122 ˚C
Less than
0.116 kΩ
Less than
0.111 kΩ
ON
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