8-32 ELECTRICAL SYSTEM
INDICATORS
ENGINE COOLANT TEMPERATURE METER INSPECTION
• Disconnect the ECT sensor coupler
1.
"
• 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.
A Variable resister
B ECT sensor
When connecting and disconnecting the ECT sensor
lead wire coupler, make sure to turn OFF the ignition
switch, or electronic parts may get damaged.
Resistance
1.148 kΩ
and more
1.148 – 0.587 kΩ 0.587 – 0.188 kΩ 0.188 – 0.140 kΩ
Engine coolant
temperature meter
Water temperateure
39 ˚C and below
40 – 59 ˚C
60 – 79 ˚C
80 – 111 ˚C
Resistance
0.140 – 0.116 kΩ
Engine coolant
temperature meter
Water temperateure
112 – 119 ˚C
120 ˚C and over
122 ˚C and over
0.116 kΩ
and less
0.111 kΩ
and less
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