CONTROL SYSTEM
01–40–46
APV Position Sensor Voltage Characteristics
End Of Sie
ENGINE COOLANT TEMPERATURE (ECT) SENSOR FUNCTION
CHU014018840S01
• Detects the ECT.
End Of Sie
ENGINE COOLANT TEMPERATURE (ECT) SENSOR CONSTRUCTION/OPERATION
CHU014018840S02
• Installed on the thermostat case.
• A thermistor type is used and the resistance
changes according to the ECT.
• As shown in the characteristics graph, when the
ECT is high, the resistance is small, and when the
ECT is low, the resistance is large.
ECT Sensor Characteristics
APV OPENING ANGLE
APPROX.
2.0 V
APPROX.
1.5 V
APPROX.
0.7 V
FULL
CLOSE
FULL
OPEN
VOLTAGE
CHU0140S046
ECT SENSOR
(ILLUSTRATION SHOWS 13B-MSP (HIGH POWER))
CHU0140S047
ENGINE COOLANT TEMPERATURE
RESISTANCE (KILOHM)
0
0
32
-20
-4
10
5
20
68
40
104
60
140
80
176
120 (°C)
248 (°F)
100
212
CHU0140S048
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