114
DTC 110-ECT/Low/High/Short/Open
Conditions for Setting the DTC
ECT sensor voltage less than 0.059.
ECT sensor voltage greater than 4.888.
ECT sensor voltage greater than 4.99.
MIL - on during active fault and for 2 seconds after active fault.
Circuit Description
The Coolant Temperature Sensor is a Negative Coefficient (as the temperature ris-
es, the resistance drops) temperature sensitive resistor located in the Cylinder Head.
The ECM uses the reading to determine temperature related operating condition re-
quirements for the engine. Five volts is applied across the sensor and voltage drop is
measured to determine the temperature.
Temp
(deg F)
Ohms
242.4 101
231.9 121
211.6 175
201.4 209
181.9 302
163.1 434
144.9 625
127.4 901
102.4 1,556
78.9 2,689
49.9 5,576
23.5 11,562
-5.7 28,770
-21.2 49,715
-30.8 71,589
-40.0 99,301
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