Viper V10-488 8.0L (1992)
Coolant Temperature Sensor/Switch (For Computer): Electrical Specifications
Sensor Resistance Values
Temperature .................................................................................................................................................................................. Resistance (k-ohms)
-40° F .............................................................................................................................................................................................. 291.49 to 381.71
-4° F ................................................................................................................................................................................................ 85.85 to 108.39
14° F ................................................................................................................................................................................................. 49.25 to 61.43
32° F ................................................................................................................................................................................................. 29.33 to 35.99
50° F ................................................................................................................................................................................................. 17.99 to 21.81
68° F ................................................................................................................................................................................................. 11.37 to 13.61
77° F .................................................................................................................................................................................................. 9.12 to 10.88
86° F ................................................................................................................................................................................................... 7.37 to 8.75
104° F .................................................................................................................................................................................................. 4.90 to 5.75
122° F .................................................................................................................................................................................................. 3.33 to 3.88
140° F .................................................................................................................................................................................................. 2.31 to 2.67
158° F .................................................................................................................................................................................................. 1.63 to 1.87
176° F .................................................................................................................................................................................................. 1.17 to 1.34
194° F ................................................................................................................................................................................................ 0.86 to 0.97
212° F ................................................................................................................................................................................................ 0.68 to 0.72
230° F ................................................................................................................................................................................................ 0.48 to 0.54
248° F ................................................................................................................................................................................................ 0.37 to 0.41
Temperature VS. Voltage Curve
NOTE: For information on how this type of sensor operates SEE, Powertrain Management/Computers and Control Systems/Coolant Temperature
Sensor/Description and Operation.
NOTE: Measure resistance using a high impedance Digital Volt Ohmmeter (DVOM).
COLD CURVE (Reference voltage routed to sensor through PCM internal resistance of 10k ohm)
Temperature ................................................................................................................................................................................ Voltage
-20° F .......................................................................................................................................................................................... 4.70 V
-10° F .......................................................................................................................................................................................... 4.57 V
0° F ............................................................................................................................................................................................ 4.45 V
10° F ........................................................................................................................................................................................... 4.30 V
20° F ........................................................................................................................................................................................... 4.10 V
30° F ........................................................................................................................................................................................... 3.90 V
40° F ........................................................................................................................................................................................... 3.60 V
